WQ Modeling & Monitoring, Periphyton, Fish and Invertebrate Monitoring:DRIs Multifaceted Ecological Assessment Programs Chris H. Fritsen, Desert Research Institute

Pyramid LakeLake TahoeTahoe City, CADerby DamReno/Sparks, NVWadsworth, NVNixon, NVMarble Bluff DamTruckee River BasinCaliforniaNevadaTruckee Canal

Long ValleyCreekDerbyDamEnterDodgeFlatS-SEnterDead OxMeadowsLeaveDead OxLeaveDodgeFlatEnterPyramidLake

Groundwater Contours, Lower Truckee River

A Long-Term Dynamic Modeling Approach to Quantifying Impacts of Subsurface Agricultural NPS Pollutionin the Lower Truckee River, NevadaThesis by: Suzanne KishDepartment of Environmental Engineering SciencesAdvisor: Dr. John J. Warwick

Full Simulation Upstream ResultsNH4 at Segment 15, Painted RockNO3 at Segment 15, Painted Rock

Full Simulation Upstream ResultsDO at Segment 15, Painted RockOPO4 at Segment 15, Painted Rock

Biomass Monitoring

Biomass Results

Figure 2. Dynamics of chlorophyll a standing stocks on cobble habitats in the lower Truckee River from August 2000 until July 2001.

Associated activitiesNutrient Limitation StudyAzolla Study Isotopes (L. Saito-UNR)

summerwinterdata

TRBM Year 2 (TRBM 13-22) Summary Statistics

TRBM Survey #SiteDistance from Tahoe (km)Chla NDate of majority of sampling

16HERS32204.04261426083.11035207470.69549586732/21/02

16FLEI56213.5608956682.51601927840.54904041872/15/02

16PATA802010.22149604477.44309463931.66432655762/4/02

16EMCC971623.308996770918.94445081024.73611270252/5/02

16LOCK1061272.808959279386.569123645924.99035342022/6/02

16PATR1151216.99065433122.12900877136.38809458552/6/02

16TRAC1221247.829367111857.618271966616.63296241512/7/02

16PAIN1391953.031368277723.8818928865.47888198272/8/02

16JOHN1522141.40030443519.51713995814.25898910512/11/02

16DEAD1661520.574211874419.16809545024.94918096382/12/02

16LNIX1781310.42771979866.04772549241.67733725872/14/02

21HERS32183.54786299541.9828618440.46736501876/26/02

21PATA801914.755842160319.34269803394.43751926456/17/02

21EMCC97168.73346933947.30426257831.82606564466/17/02

21LOCK106157.58135391476.161981881.59101688016/18/02

21TRAC1221142.075084980536.659228932911.05317340676/19/02

21PAIN1392211.10785645235.76114904911.22828110436/19/02

21JOHN1522155.526295628159.321323331512.94497402346/20/02

21DEAD1661428.770367151323.2705660826.21932039116/24/02

21LNIX178136.6353957043.29241889220.91315270286/25/02

22HERS32194.31089280672.40666972320.55212790078/19/02

22PATA80202.17290741021.08894759140.24349608388/7/02

22EMCC971417.675915015410.66202095192.84954496098/12/02

22LOCK1061235.666795750235.572734759610.26896399468/9/02

22PATR1151337.418631788450.426687998813.9858468648/9/02

22TRAC1221135.514221113825.54212685517.70124101158/13/02

22PAIN1392117.10527175719.67646676062.11157816148/13/02

22JOHN1521931.969060108625.18899109185.77875087688/14/02

22DEAD1661434.439294439521.2252279155.67268077248/15/02

22LNIX1781215.25324127218.09657696732.33728044588/16/02

Readme

File created 2/21/03 by Jeramie Memmott

This file shows how the chlorophyll a values change as the distance from tahoe increases during three different times of the year.

e.g. winter, early summer and late summer 2002

values were taken from the TRBM year 2 Quality Assurance master sheet.

summerwinterGraph

3.54786299544.31089280674.04261426080.69549586730.69549586730.46736501870.46736501870.55212790070.5521279007

14.75584216032.17290741023.5608956680.54904041870.54904041874.43751926454.43751926450.24349608380.2434960838

8.733469339417.675915015410.22149604471.66432655761.66432655761.82606564461.82606564462.84954496092.8495449609

7.581353914735.666795750223.30899677094.73611270254.73611270251.59101688011.591016880110.268963994610.2689639946

42.075084980537.418631788472.808959279324.990353420224.990353420211.053173406711.053173406713.98584686413.985846864

11.107856452335.514221113816.9906543316.38809458556.38809458551.22828110431.22828110437.70124101157.7012410115

55.526295628117.105271757147.829367111816.632962415116.632962415112.944974023412.94497402342.11157816142.1115781614

28.770367151331.969060108653.03136827775.47888198275.47888198276.21932039116.21932039115.77875087685.7787508768

6.63539570434.439294439541.4003044354.25898910514.25898910510.91315270280.91315270285.67268077245.6726807724

15.253241272120.57421187444.94918096384.94918096382.33728044582.3372804458

10.42771979861.67733725871.6773372587

&A

Page &P

June 2002 Chla

August 2002 Chla

Feb 2002 Chla

Distance From Lake Tahoe (km)

Chlorophyll a (mg cm-2)

Truckee River Chlorophyll a in Early Summer, Late Summer and Winter versus Distance from Lake Tahoe

Periphyton P to N limitation?Trend is evident (above):But annual events can change the balance (e.g. drought, fire and releases)

Red Strip Observations and Dynamics

Chart1

8000.060572800

010042.21344.06081060

764.3611151152349.6240

11.9214812886.79880918520.766366237.23231666670.807898

0.01905053057.060959015.10482514409.79823646.81

0.745839333326.7800011334.9509851168.6818650.88939

032.9053232978.07183646.48260.7836

658.267223.22191415751520.02742752.22660102

15064.51129664.1861654.875166294.2

01794.44161101.241780

August

September

October

November

December

Distance from Lake Tahoe (km)

Monthly Azolla Biomass (g)

Average Site Monthly Azolla Biomass (g)

LNIX

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

LNIX 1:

4/16/02LNIX 1sand/silt glide w/ habitat in U01680N00N

5/8/02LNIX 11600N00N0022.000000

5/30/02LNIX 1Both sides of river12000N00N0022.000000

6/25/02LNIX 1Both sides of river7000N00N0026.000000

8/16/02LNIX 1Both sides of river2250N00N0052.000000

9/25/02LNIX 1LB250.924.56Y1067.62329.7887604623YAZ49.788760462324.5640.000.24471901160.6141.71303308094.298

10/28/02LNIX 11002Y86.9410.62596209632N-7.7887604623-22.5633.00-0.2360230443-0.6836363636-1.6521613102-4.7854545455

12/13/02LNIX 1RB Glide1000N00N-2-246.00-0.0434782609-0.0434782609-0.3043478261-0.3043478261

LNIX 4:

4/16/02LNIX 48000N00

5/8/02LNIX 48000N000022.000000

5/30/02LNIX 43000N000022.000000

6/25/02LNIX 44500N000026.000000

8/16/02LNIX 46000N000052.000000

9/25/02LNIX 438883.56Y3632.353221.536082474221.536082474283.5640.000.53840206192.0893.76881443314.623

10/28/02LNIX 4L.bank2004Y173.885.13388132582-19.5360824742-79.5633.00-0.5920024992-2.4109090909-4.1440174945-16.8763636364

12/13/02LNIX 4Glide, RB diversion1500N00-2-446.00-0.0434782609-0.0869565217-0.3043478261-0.6086956522

LNIX 6:

4/16/02LNIX 62500N00

5/8/02LNIX 6900N00

5/30/02LNIX 610000N00

LNIX 6

LNIX 8:

4/16/02LNIX 822500N00N

5/8/02LNIX 82000N00N0022.000000

5/30/02LNIX 85000N00N0022.000000

6/25/02LNIX 85000N00N0026.000000

8/16/02LNIX 8900N00N0052.000000

9/25/02LNIX 851615.72Y683.34843.0465116279N3.046511627915.7240.000.07616279070.3930.53313953492.751

10/28/02LNIX 8140070Y3042.925.23052029425N1.953488372154.2833.000.05919661731.64484848480.414376321411.5139393939

12/13/02LNIX 8big rock patch/riffle/glide75000N00N-5-7046.00-0.1086956522-1.5217391304-0.7608695652-10.652173913

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

DeadOx

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

Dead 2:

8/15/02DEAD 2Sand Glide with habitat on LB & RB; habitat goes from transect 1 to transect 3 on both banks it is an average of 14 ft wide on LB and 18 ft on RB.48001215Y35745.325.3125YAZ 1

10/28/02DEAD 2glide15052.5Y1544.55-0.042455218735N9.6875-1162.574.000.1309121622-15.70945945950.9163851351-109.9662162162

12/13/02DEAD 2Glide; LB22520Y588.4-0.02098001958.89N-26.1111111111-32.546.00-0.5676328502-0.7065217391-3.9734299517-4.9456521739

DEAD 3:

8/15/02DEAD 3Sand Glide with habitat on LB & RB160015Y441.32.70805020110.9375N

8/22/02DEAD 3glide3756306.159006.9330.4308607115.72407517798.157.2134584665291.157.001.030494066641.59285714297.2134584665291.15

9/4/02DEAD 3glide42481525.844889.0360.12355376647.330274141735.9227.76712062961219.6513.002.135932356193.819230769214.9515264929656.7346153846

9/10/02DEAD 3glide with habitat on LB & RB4128490.814439.336-0.18903957156.196036712811.89-24.0285442123-10356.00-4.0047573687-172.5-28.033301581-1207.5

10/28/02DEAD 3glide30060Y1765.2-0.04378525314.094344562220N8.1104651163-430.848.000.1689680233-8.9751.1827761628-62.825

12/13/02DEAD 3Glide; LB1000N00N-20-6046.00-0.4347826087-1.3043478261-3.0434782609-9.1304347826

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

DeadOx

374380

374670

374730

Time (days)

ln (Azolla Coverage - ft2)

Dead 3: ln(Azolla Coverage) vs. Time

y = 0.2175x - 8150.6R2 = 0.8851

y = 0.2175x - 8150.6R2 = 0.8851

John

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

John 1:

4/16/02John 1cobble/gravel run with Azolla habitat on RB2500N00N

5/7/02John 1run w/ habitat on RB1500N00N0021.000000

5/30/02John 1run/glide5000N00N0023.000000

6/21/02John 1cobble/sand glide/riffle w/habitat near RB1200N00N0022.000000

8/14/02John 1Cobble/Gravel Riffle/Glide w/habitat on RB100N00NNA0054.000000

9/25/02John 1glide23626Y950.8211.0169491525N11.01694915252642.000.26230831320.6190476191.83615819214.3333333333

11/22/02John 1glide; flows very low! RB6000.003Y0.1097147.73769527380.0005N-11.0164491525-25.99758.00-0.1899387785-0.4482241379-1.3295714494-3.1375689655

12/13/02John 1glide; RB2000.2Y7.314886.36991593450.1N0.09950.19721.000.00473809520.00938095240.03316666670.0656666667

John 3:

4/16/02John 3cobble/sand run with glide between weeds near RB and backwater near LB23000N00N

5/7/02John 3run w/habitat on RB10000N00N0021.000000

5/30/02John 3run/glide12000N00N0023.000000

6/21/02John 3cobble/gravel run w/ habitat near RB3000N00N0022.000000

8/14/02John 3Cobble/Gravel Riffle habitat on LB & RB;5300.62000124Y22.67344534690.116981366NNA0.1169813660.6200012454.000.00216632160.01148150440.01516425120.0803705311

9/25/02John 382840Y1462.837.12615908214.83091787444.713936508439.3799987642.000.11223658350.93761901810.78565608476.5633331267

11/22/02John 3glide; RB1000N00N-4.8309178744-4058.00-0.0832916875-0.6896551724-0.5830418124-4.8275862069

12/13/02John 3glide; RB1000N00N0021.000000

John 4:

4/16/02JOHN 4sand/gravel glide with habitat in U11000N00N

5/7/02JOHN 4glide w/habitat on RB2250N00N0021.000000

5/30/02JOHN 4run12000N00N0023.000000

6/21/02John 4sand/gravel glide w/habitat near RB2000N00N0022.000000

8/14/02JOHN 4Sand/Gravel Glide with habitat near RB2400N00NNA0054.000000

9/25/02JOHN 4800630Y23039.1078.75N78.7563042.001.8751513.125105

11/22/02JOHN 4GLIDE; RB1000N00N-78.75-63058.00-1.3577586207-10.8620689655-9.5043103448-76.0344827586

12/13/02JOHN 4Glide; RB2000N00N0021.000000

John 6:

4/16/02JOHN 6cobble/sand run with Azolla habitat in U0500N00N

5/7/02JOHN 6run w/ pool habitat on RB3750N00N0021.0000

5/30/02JOHN 6glide/run7600N00N0023.0000

6/21/02John 6cobble/sand glide w/habitat near LB & RB3400N00N0022.0000

8/14/02JOHN 6Cobble/Gravel Glide/Riffle w/habitat near LB & RB; LB=68072Y2633.0410.5882352941NNA10.58823529417254.000.19607843141.3333333333

9/25/02JOHN 6glide/run1050134Y4900.3812.002420324712.7619047619N2.17366946786242.000.05175403491.4761904762

11/22/02JOHN 6glide RB1000N00N-12.7619047619-13458.00-0.2200328407-2.3103448276

12/13/02JOHN 6glide RB1600N00N0021.0000

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

SwimmingHole

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

Swim Hole (UP):

7/1/02Swim Hole up58000N00N

7/22/02Swim Hole upUpstream of Cliff23000N00N0021.000000

7/30/02Swim Hole upPool20000N00N008.000000

8/5/02Swim Hole upPool; 1 Azolla frond spotted17600N00N006.000000

8/18/02Swim Hole upL.Bank upstream of Cliff36980N00N0013.000000

8/24/02Swim Hole upPool up of Cliff L.Bank; lots of duckweed36120N00N006.000000

9/3/02Swim Hole upLB; Glide/pool36120.0207Y0.811026-3.87762157875.731E-04N0.00057308970.020710.000.0000573090.002070.00040116280.01449

9/15/02Swim Hole upPool upstream of cliff29051.659Y64.999620.36531971580.50621501120.0571084337N0.0565353441.638312.000.00471127870.1365250.03297895070.955675

10/7/02Swim Hole upupstream of cliff; LB282221.31Y834.92580.11604370163.05917644610.7551381999N0.698029766119.65122.000.03172862570.89322727270.22210038016.2525909091

10/21/02Swim Hole upPool; LB3024130.71Y5121.21780.12955747734.87298112884.3224206349N3.5672824351109.414.000.25480588827.81428571431.783641217554.7

11/4/02Swim Hole uppool; LB3024105.62Y4138.1916-0.0152238134.65984774733.4927248677N-0.8296957672-25.0914.00-0.0592639834-1.7921428571-0.4148478836-12.545

11/11/02Swim Hole upPool; LB303480.52Y3154.7736-0.03876316384.38850560082.6539222149N-0.8388026528-25.17.00-0.1198289504-3.5857142857-0.8388026528-25.1

12/4/02Swim Hole upPool; LB26200.02Y0.7836-0.3608925481-3.91202300540.0007633588N-2.6531588561-80.523.00-0.1153547329-3.5-0.8074831301-24.5

Swim Hole (DOWN):

7/1/02Swim Hole downDownstream of Cliff; LB, Glide15300N00N

7/22/02Swim Hole downDownstream of Cliff; LB, Glide4400N00N0021.000000

7/30/02Swim Hole downLB18000N00N008.000000

8/5/02Swim Hole downLB; pool6750N00N006.000000

8/18/02Swim Hole downDown of Cliff, L.Pool14200N00N0013.000000

8/24/02Swim Hole downLeft/Downstream of Cliff11200N00N006.000000

9/3/02Swim Hole downLB11200N00N0010.000000

10/7/02Swim Hole downLB11200N00N0034.000000

10/21/02Swim Hole downLB11201.79Y70.13220.58221561990.1598214286N0.15982142861.7914.000.01141581630.12785714290.07991071430.895

11/4/02Swim Hole downLB; Glide; lots of Azolla stranded1900.006Y0.23508-0.0002398275-5.11599580980.0031578947N-0.1566635338-1.78414.00-0.0111902524-0.1274285714-0.0783317669-0.892

11/11/02Swim Hole downLB11200N00N-0.0031578947-0.0067.00-0.0004511278-0.0008571429-0.0031578947-0.006

12/4/02Swim Hole downLB1000N00N0023.000000

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

SwimmingHole

374380

374670

374730

374860

374920

375020

375150

375360

Time (days)

ln (Azolla Coverage - ft2)

Swim Hole (UP): ln(Azolla Coverage) vs. Time

y = 0.1698x - 6369.1R2 = 0.9306

y = 0.1698x - 6369.1R2 = 0.9306

y = 0.1698x - 6369.1R2 = 0.9306

LonelyTree

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y or N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

Lonely Tree:

5/26/02Lonely TreeN0

6/6/02Lonely Tree2100N000011.000000

7/1/02Lonely Tree6000N000025.000000

7/30/02Lonely Tree7800N000029.000000

8/5/02Lonely Tree2400N00006.000000

8/18/02Lonely TreeGlide/L.Bank7500.0048Y0.224688-5.33913936110.00064N0.000640.004813.000.00004923080.00036923080.00034461540.0025846154

8/24/02Lonely TreeGlide10000.043Y2.012830.3654306996-3.14655516330.0043N0.003660.03826.000.000610.00636666670.004270.0445666667

9/3/02Lonely Tree6250.1107Y5.1818670.0945623724-2.20093143930.017712N0.0134120.067710.000.00134120.006770.00938840.04739

9/16/02Lonely Tree6251.0335Y48.3781350.17183711840.03295110010.16536N0.1476480.922813.000.01135753850.07098461540.07950276920.4968923077

10/7/02Lonely Tree64411.302Y529.046620.11390612392.42497970121.7549689441N1.589608944110.268521.000.0756956640.48897619050.5298696483.4228333333

10/21/02Lonely TreeGlide, LB412.545.735Y2140.855350.09984886913.822863869111.0872727273N9.332303783234.43314.000.66659312742.45954.666151891617.2165

11/4/02Lonely TreeGlide, LB48449.333Y2309.277730.00540923993.898593228310.192768595N-0.89450413223.59814.00-0.06389315230.257-0.44725206611.799

11/13/02Lonely TreeGlide, LB2400.6Y28.086-0.489935428-0.51082562380.25N-9.942768595-48.7339.00-1.1047520661-5.4147777778-7.7332644628-37.9034444444

12/4/02Lonely TreeGlide, LB2960.019Y0.88939-0.1644043179-3.96331629980.0064189189N-0.2435810811-0.58121.00-0.0115990991-0.0276666667-0.0811936937-0.1936666667

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

LonelyTree

00

00

00

00

00

00

00

00

00

00

Time (days)

ln (Azolla Coverage - ft2)

Lonely Tree: ln(Azolla Coverage) vs. Time

y = 0.136x - 5101.3R2 = 0.975

y = 0.136x - 5101.3R2 = 0.975

y = 0.136x - 5101.3R2 = 0.975

Train Bridge

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

Train Upstream:

5/26/02Train Bridge - upstream0N0N

6/6/02Train-upstream LB1800N00N

7/1/02Train Upstream Bridge1200N00N0025.000000

7/22/02Train upstream LBbeavers built dam upstream of bridge, causing upstream flows to be higher/faster; also a white chemical/bubbles are floating on surface1600N00N0021.000000

7/30/02T.Bridge Up, LBStill has beaver dam; white/brown foam floating near bank; looks like bubbles; lots of duckweed ~ 3 sq.ft.2000N00N008.000000

8/5/02LB upstream Train bridgeRun1200.0013Y0.0707590.0010833333N0.00108333330.00136.000.00018055560.00021666670.00126388890.0015166667

8/18/02Train BridgeUp L.Bank/Run2550N00N-0.0010833333-0.001313.00-0.0000833333-0.0001-0.0005833333-0.0007

8/24/02Train Bridge Up LBRun/Riffle - L.Bank2550.0008only 2 fronds seen0.043544-7.13089883030.0003137255N0.00031372550.00086.000.00005228760.00013333330.00036601310.0009333333

9/3/02Train Bridge Up LBRun/Glide33020.209Y1099.975871.0137026883.00612804976.1239393939N6.123625668420.208210.000.61236256682.020824.286537967914.14574

9/16/02Train Bridge Up LBglide/run481204.451Y11128.267930.17801540685.32032833842.5054054054N36.3814660115184.24213.002.798574308614.172461538519.5900201699.2072307692

10/7/02Train Bridge Up LBglide/run35296.77Y5267.1911-0.03561863384.572337028927.4914772727N-15.0139281327-107.68121.00-0.7149489587-5.1276666667-5.0046427109-35.8936666667

10/21/02Train Bridge Up LBglide694234.34Y12755.12620.06317400175.456773052233.7665706052N6.2750933325137.5714.000.44822095239.82642857143.137546666268.785

11/4/02Train Bridge Up LBrun; lots of Azolla stranded550159.46Y8679.4078-0.02749856755.071793107128.9927272727N-4.7738433325-74.8814.00-0.3409888095-5.3485714286-2.3869216662-37.44

11/13/02Train Bridge Up LBLB; glide520182.5Y9933.4750.01499522955.20675017335.0961538462N6.103426573423.049.000.67815850822.564.747109557117.92

12/4/02Train Bridge Up LBLB; run80343Y2340.49-0.0688357173.76120011575.3549190535N-29.7412347926-139.521.00-1.4162492758-6.6428571429-9.9137449309-46.5

Train Downstream:

5/26/02L.bank (looking downstream)Patches of duckweed0N00N

6/6/02L.bankPool4000N00N0011.000000

7/1/02Downstream Pitcher/Train; LBDuckweed present6000N00N0025.000000

7/22/02L. Downstream10000N00N0021.000000

7/30/02L.Downfew duckweed (some patches on dam)10000N00N008.000000

8/5/02LB downstream Train bridgePool19500N00N006.000000

8/18/02Train Bridge Down LBPool17860N00N0013.000000

8/24/02Train BridgeDown/L.Bank17860N00N006.000000

9/3/02Train Bridge Down LBPool17860N00N0010.000000

9/16/02Train Bridge Down LBPool17860N00N0013.000000

10/7/02Train Bridge Down LBPool178616.4Y892.6522.79728133480.9182530795N0.918253079516.421.000.04372633710.7809523810.30608435985.4666666667

10/21/02Train Bridge Down LBPool1656315Y17145.450.2110922365.752572638819.0217391304N18.1034860509298.614.001.293106146521.32857142869.0517430255149.3

11/1/02Train Bridge Down LBPool1615437Y23785.910.02976005066.079933195127.0588235294N8.03708439912211.000.730644036311.09090909095.114508253977.6363636364

11/13/02Train Bridge Down LBPool1660280Y15240.4-0.03709529935.634789603216.8674698795N-10.1913536499-15712.00-0.8492794708-13.0833333333-5.9449562958-91.5833333333

12/4/02Train Bridge Down LBPool171091Y4953.13-0.05352048084.51085950655.3216374269N-11.5458324526-18921.00-0.5498015454-9-3.8486108175-63

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

Train Bridge

374380

374670

374730

374860

374920

375020

375150

375360

375500

Time (days)

ln (Azolla Coverage - ft2)

Train (UP): ln(Azolla Coverage) vs. Time

y = 0.5236x - 19636R2 = 0.8314

y = 0.5236x - 19636R2 = 0.8314

Tracy

374380

374670

374730

374860

374920

Time (days)

ln (Azolla Coverage - ft2)

Train (DN): ln(Azolla Coverage) vs. Time

Patrick

DateSite & TransectSite Description NotesA. Present? (Y or N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in % Areal Coverage per week

Trac Bridge:N

5/26/02Tracy - below bridgeSunny DayNN

6/6/02Downstream Bridge; LBSunny Day3000N00N

7/1/02Downstream of Bridge; LB2400N00N0025.000000

7/22/02Downstream of Bridge; LBflows appear much lower; some duckweed observed; run/glide4800N00N0021.000000

7/30/02Downstream of Bridge; LBspirogyra on surface; very little duckweed; glide2700N00N008.000000

8/5/02Downstream of Bridge; LBglide4000N00N006.000000

8/18/02Downstream of Bridge; LBLB;glide35040N00N0013.000000

8/24/02Downstream of Bridge; LBLB;glide10320N00N006.000000

9/2/02Downstream of Bridge; LBriffle/glide; LB14000.5917Y21.283449-0.52475552930.0422642857N0.04226428570.59179.000.00469603170.06574444440.03287222220.4602111111-0.5247555293

9/15/02Downstream of Bridge; LBglide, LB, Azolla is mostly new (still green)120013.92Y500.70240.24292939882.63332665491.16N1.117735714313.328313.000.08597967031.02525384620.60185769237.17677692312.6333266549

10/7/02Downstream of Bridge; LBGlide442188.828Y6792.143160.11852317695.240836547842.7212669683N41.5612669683174.90822.001.88914849867.950363636413.224039489955.65254545455.2408365478

10/21/02Downstream of Bridge; LBGlide819238.21Y8568.41370.01659400645.473152637629.0854700855N-13.635796882949.38214.00-0.97398549163.5272857143-6.817898441424.6915.4731526376

11/6/02Downstream of Bridge; LBGlide696212.56Y7645.7832-0.0071205215.359224301530.5402298851N1.4547597996-25.6516.000.0909224875-1.6031250.6364574123-11.2218755.3592243015

11/13/02Downstream of Bridge; LBGlide2106.3Y226.611-0.50266780971.84054963343N-27.5402298851-206.267.00-3.934318555-29.4657142857-27.5402298851-206.261.8405496334

12/4/02Downstream of Bridge; LBGlide, shallow habitat (0.2ft)5800.0626Y2.251722-0.2195971254-2.77099000090.0107931034N-2.9892068966-6.237421.00-0.1423431856-0.2970190476-0.9964022989-2.0791333333-2.7709900009

TRAC 2:

4/15/02TRAC 2800N00N

5/6/02TRAC 23900N00N0021.000000

5/29/02TRAC 29000N00N0023.000000

6/19/02TRAC 23600N00N0021.000000

7/22/02TRAC 2LB; lots of dying spirogyra; much of area is now marshy little water extending to bank;glide2000N00N0033.000000

8/5/02TRAC 2spotted 8 fronds; glide;3500.0029Y0.1385330.0008285714N0.00082857140.002914.000.00005918370.00020714290.00041428570.00145

8/13/02TRAC 23000N00N-0.0008285714-0.00298.00-0.0001035714-0.0003625-0.000725-0.0025375

8/18/02TRAC 2L.Bank/Glide7300.0328Y1.566856-3.41732676360.0044931507N0.00449315070.03285.000.00089863010.006560.0062904110.04592-3.4173267636

8/24/02TRAC 2Glide7000.0483Y2.3072910.0645005075-3.03032371830.0069N0.00240684930.01556.000.00040114160.00258333330.00280799090.0180833333-3.0303237183

9/2/02TRAC 28500.295Y14.092150.2010604217-1.22077992260.0347058824N0.02780588240.24679.000.00308954250.02741111110.02162679740.1918777778-1.2207799226

9/15/02TRAC 270037.77Y1804.27290.37325346613.63151513675.3957142857N5.361008403437.47513.000.41238526182.88269230772.886696832620.17884615383.6315151367

10/7/02TRAC 229196.24Y4597.38480.0425149974.566845071733.0721649485N27.676450662758.4722.001.25802048472.65772727278.806143392718.60409090914.5668450717

10/21/02TRAC 2Glide400156.09Y7456.41930.0345419785.05043276439.0225N5.950335051559.8514.000.42502393234.2752.975167525829.9255.050432764

11/6/02TRAC 2Glide630330.01Y15764.57770.04679313715.79912295752.3825396825N13.3600396825173.9216.000.835002480210.875.845017361176.095.799122957

11/13/02TRAC 2Glide7207.2Y343.944-0.54643456161.9740810261N-51.3825396825-322.817.00-7.3403628118-46.1157142857-51.3825396825-322.811.974081026

12/4/02TRAC 2Glide, LB2000N00N-1-7.221.00-0.0476190476-0.3428571429-0.3333333333-2.4

TRAC 3:

4/15/02TRAC3400N00N

5/6/02TRAC34500N00N0021.000000

5/29/02TRAC31800N00N0023.000000

6/19/02TRAC32400N00N0021.000000

8/13/02TRAC315000.8611Y41.1347470.0574066667N0.05740666670.861155.000.00104375760.01565636360.0073063030.1095945455

8/18/02TRAC38400.0212Y1.012724-0.740841892-3.85375409730.0025238095N-0.0548828571-0.83995.00-0.0109765714-0.16798-0.076836-1.17586

8/24/02TRAC3165.21.5293Y73.0546610.71309403530.42481011440.9257263923N0.92320258271.50816.000.15386709710.251351.07706967981.75945

9/2/02TRAC3241.48.9315Y426.6577550.19608602662.18958435393.6998757249N2.77414933277.40229.000.30823881470.82246666672.15767170325.7572666667

9/16/02TRAC351253.46Y2553.78420.12781066833.978933710710.44140625N6.741530525144.528514.000.48153789463.18060714293.370765262522.26425

10/7/02TRAC3436.5168.2Y8034.9140.05458190655.125153747538.5337915235N28.0923852735114.7421.001.33773263215.46380952389.364128424538.2466666667

10/21/02TRAC3Glide24611584.16Y75675.32320.16018970217.367809577464.3705810646N25.83678954111415.9614.001.8454849672101.1412.9183947706707.98

11/6/02TRAC3Glide435277.4Y13251.398-0.10889681685.625460507963.7701149425N-0.6004661221-1306.7616.00-0.0375291326-81.6725-0.2627039284-571.7075

11/13/02TRAC3Glide2004Y191.08-0.60559516381.38629436112N-61.7701149425-273.47.00-8.8243021346-39.0571428571-61.7701149425-273.4

12/4/02TRAC3Glide3500.0036Y0.171972-0.333957895-5.62682143350.0010285714N-1.9989714286-3.996421.00-0.0951891156-0.1903047619-0.6663238095-1.3321333333

TRAC 5:

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

MR: Used Trac.2 Biomass/Area ratio since that's the closest site to Trac.3.

Patrick

374380

374670

374730

374860

374920

375020

375150

375360

375500

375640

375730

Time (days)

ln (Azolla Coverage - ft2)

Tracy Bridge: ln(Azolla Coverage) vs. Time

Lock

374380

374670

374730

374860

374920

375020

375150

375360

375500

375640

375730

375940

0

Time (days)

ln (Azolla Coverage - ft2)

Tracy 2: ln(Azolla Coverage) vs. Time

y = 0.1223x - 4587.9R2 = 0.8643

Pata

3743837382

3746737405

3747337426

3748637481

37492-3.8537540973

375020.4248101144

375152.1895843539

375363.9789337107

375505.1251537475

375647.3678095774

Time (days)

ln (Azolla Coverage - ft2)

Tracy 3: ln(Azolla Coverage) vs. Time

Summary% Coverage

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageTime lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

Patr Below Bridge:

4/12/02Patr down bridgebackwater; glide/bank transition on LB5000N00N

5/6/02Patr down bridgebackwater; glide with habitats on LB & RB5000N00N0024.000000

5/29/02Patr down bridgehabitat on both sides; glide8500N00N0023.000000

8/9/02Patr down bridgeGlide, R.Bank8821.54Y65.1420.43178241640.1746031746N0.17460317461.5472.000.00242504410.02138888890.01697530860.1497222222

11/1/02Patr down bridge600128.2Y5422.860.05264058494.853591544521.3666666667N21.1920634921126.6684.000.25228647011.50785714291.76600529110.555

11/13/02Patr down bridgeRB; Glide1380.04Y1.692-0.6727056141-3.21887582490.0289855072N-21.3376811594-128.1612.00-1.7781400966-10.68-12.4469806763-74.76

12/13/02Patr down bridgeRB; Glide600N00N-0.0289855072-0.0430.00-0.0009661836-0.0013333333-0.006763285-0.0093333333

Patr 5:

4/12/02Patr 5glide; bank transition on LB3001.5Y63.450.40546510810.5N

5/6/02Patr 5glide with habitat on LB5000N00N-0.5-1.524.00-0.0208333333-0.0625-0.1458333333-0.4375

5/29/02Patr 5lots of duckweed ~4*4 sq.ft.9000N00N0023.000000

8/9/02Patr 5L.Bank, Glide below Patr 5 from Patr 5 & down68334.6Y1463.583.54385368215.065885798N5.06588579834.672.000.0703595250.48055555560.49251667483.3638888889

11/13/02Patr 5Glide; LB12838.4Y1624.320.0010854563.648057459630N24.9341142023.896.000.25973035630.03958333331.81811249390.2770833333

12/13/02Patr 5Glide; LB2000N00N-30-38.430.00-1-1.28-7-8.96

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

Summary% Coverage

374380

374670

374730

374860

374920

375020

Time (days)

ln (Azolla Coverage - ft2)

Patr BB: ln(Azolla Coverage) vs. Time

y = -0.0046x + 174.24R2 = 0.0036

TotBiomGraph

374380

374670

374730

374860

374920

Time (days)

ln (Azolla Coverage - ft2)

Patr 5: ln(Azolla Coverage) vs. Time

LowTotBiomGraph

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

Lock 2:

4/12/02Lock 2200N00N

5/3/02Lock 2200N00N0021.000000

5/28/02Lock 2800N00N0025.000000

6/18/02Lock 24200N00N0021.000000

8/9/02Lock 2Glide, L.Bank possibly some on R. Bank2660N00N0052.000000

10/28/02Lock 2glide21084Y2677.92040N408480.000.51.053.57.35

12/13/02Lock 2LB, glide3000N00N-40-8446.00-0.8695652174-1.8260869565-6.0869565217-12.7826086957

Lock 3:

4/12/02Lock 3200N00N

5/3/02Lock 3600N00N0021.000000

5/28/02Lock 3LB1800N00N0025.000000

6/18/02Lock 31600N00N0021.000000

8/9/02Lock 3Glide, upstream1200N00N0052.000000

9/25/02Lock 31600315Y10042.219.6875N19.687531547.000.41888297876.70212765962.932180851146.914893617

10/28/02Lock 35600.32Y10.201611.58594450280.0571428571N-19.6303571429-314.6833.00-0.5948593074-9.5357575758-4.1640151515-66.7503030303

12/13/02Lock 3grassy area; glide3000N00N-0.0571428571-0.3246.00-0.001242236-0.0069565217-0.0086956522-0.0486956522

Lock 5:

Lock 5

Lock 5

Lock 5

12/13/02Lock 5glide/run500N0N

Lock 5

Lock 5

Lock 5

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

BiovsDist.

DateSite & TransectSite Description NotesArea Total Habitat (ft^2)Azolla Coverage (ft2)A. Present? (Y 0r N)Total Biomass (g)Mu (Growth Rate = per day)% CoverageSample Taken?Sample # (i.e. AZ#)Change in % Areal CoverageChange in Area (ft2)Time lapsed (days)Change in % Areal Coverage per dayChange in Area (ft2) per dayChange in % Areal Coverage per weekChange in Area (ft2) per week

Pata 1:

4/11/02Pata 1run/rapid with good habitat in U0/U1160N00N

5/3/02Pata 1run/rapid with habitat on LB160N00N0022.000000

5/28/02Pata 1run/riffle with small habitat near LB200N00N0025.000000

6/17/02Pata 1cobble/sand run with habitat on LB100N00N0020.000000

9/25/02Pata 1glide/run; fast flows400N00N00100.000000

10/28/02Pata 1run/glide; 6 fronds seen330.003Y0.0956400.0090909091N0.00909090910.00333.000.00027548210.00009090910.00192837470.0006363636

12/13/02Pata 1LB; Glide1000N00N-0.0090909091-0.00346.00-0.0001976285-0.0000652174-0.0013833992-0.0004565217

Pata 2:

4/11/02Pata 2run with habitat near U0100N00N

5/3/02Pata 2run with habitat near LB200N00N0022.000000

5/28/02Pata 2run/glide with small habitat near LB240N00N0025.000000

6/17/02Pata 2cobble/sand glide/run with habitat near LB400N00N0020.000000

9/25/02Pata 2glide; flows low7000N00N00100.000000

10/28/02Pata 2glide/riffle11700.0015Y0.0478200.0001282051N0.00012820510.001533.000.0000038850.00004545450.0000271950.0003181818

12/13/02Pata 2Glide; LB1250N00N-0.0001282051-0.001546.00-0.0000027871-0.0000326087-0.0000195095-0.0002282609

Pata 3:

4/11/02Pata 3glide with habitat in U0500N00N

5/3/02Pata 3glide with habitat near LB100N00N0022.000000

5/28/02Pata 3glide with habitat near LB600N00N0025.000000

6/17/02Pata 3sand/cobble glide with habitat near LB and RB400N00N0020.000000

10/28/02Pata 3glide1080.0012Y0.03825600.0011111111N0.00111111110.0012133.000.00000835420.00000902260.00005847950.0000631579

12/13/02Pata 3Glide; LB1200N00N-0.0011111111-0.001246.00-0.0000241546-0.000026087-0.0001690821-0.0001826087

Pata 3

MR: See LabNotes file for more info. As to which Wet. Wt. : Area ratio was used to calculate total biomass.

BiovsSites

% Azolla Coverage at sites:

DatePata 1Pata 2Pata 3Lock 2Lock 3Patr BBPatr 5:Trac BridgeTRAC 2:TRAC 3:Train UpTrain DNLon. TreeSwim UPSwim DNJohn 1John 3John 4John 6Dead 2DEAD 3LNIX 1LNIX 4LNIX 8

4/15/024/11/0204/11/0204/11/0204/12/0204/12/0204/12/0204/12/020.54/15/0204/15/0204/16/0204/16/0204/16/0204/16/0204/16/0204/16/0204/16/020

5/6/025/3/0205/3/0205/3/0205/3/0205/3/0205/6/0205/6/0205/6/0205/6/0205/7/0205/7/0205/7/0205/7/0205/8/0205/8/0205/8/020

5/26/025/28/0205/28/0205/26/025/29/0205/26/025/26/0205/26/0205/30/0205/30/020

5/29/025/28/0205/28/0205/28/0205/29/0205/29/0205/29/0205/30/0205/30/0205/30/0205/30/0205/30/020

6/6/026/6/0206/6/0206/6/0206/6/020

6/19/026/17/0206/17/0206/17/0206/18/0206/18/0206/19/0206/19/0206/21/0206/21/0206/21/0206/21/020

6/25/026/25/0206/25/0206/25/020

7/1/027/1/0207/1/0207/1/0207/1/0207/1/0207/1/020

7/22/027/22/0207/22/0207/22/0207/22/0207/22/0207/22/020

7/30/027/30/0207/30/0207/30/0207/30/0207/30/0207/30/020

8/5/028/5/0208/5/020.00082857148/5/020.00108333338/5/0208/5/0208/5/0208/5/020

8/9/028/9/0208/9/0208/9/020.17460317468/9/025.065885798

8/13/028/13/0208/13/020.05740666678/14/0208/14/020.1169813668/14/0208/14/0210.58823529418/15/0225.31258/15/020.9375

8/18/028/18/0208/18/020.00449315078/18/020.00252380958/18/0208/18/0208/18/020.000648/18/0208/18/0208/16/0208/16/0208/16/020

08/24/028/24/0208/24/020.00698/24/020.92572639238/24/020.00031372558/24/0208/24/020.00438/24/0208/24/0208/22/028.15

09/03/029/2/020.04226428579/2/020.03470588249/2/023.69987572499/3/026.12393939399/3/0209/3/020.0177129/3/025.731E-049/3/0209/4/0235.92

09/16/029/15/021.169/15/025.39571428579/16/0210.441406259/16/0242.50540540549/16/0209/16/020.165369/15/020.05710843379/10/0211.89

09/25/029/25/0209/25/0209/25/0219.68759/25/0211.01694915259/25/024.83091787449/25/0278.759/25/0212.76190476199/25/029.78876046239/25/0221.53608247429/25/023.0465116279

10/07/0210/7/0242.721266968310/7/0233.072164948510/7/0238.533791523510/7/0227.491477272710/7/020.918253079510/7/021.754968944110/7/020.755138199910/7/020

10/21/0210/21/0229.085470085510/21/0239.022510/21/0264.370581064610/21/0233.766570605210/21/0219.021739130410/21/0211.087272727310/21/024.322420634910/21/020.1598214286

10/28/0210/28/020.009090909110/28/020.000128205110/28/020.001111111110/28/024010/28/020.057142857110/28/023510/28/022010/28/02210/28/02210/28/025

11/01/0211/1/0221.366666666711/1/0227.0588235294

11/04/0211/6/0230.540229885111/6/0252.382539682511/6/0263.770114942511/4/0228.992727272711/4/0210.19276859511/4/023.492724867711/4/020.0031578947

11/13/0211/13/020.028985507211/13/023011/13/02311/13/02111/13/02211/13/0235.096153846211/13/0216.867469879511/13/020.2511/11/022.653922214911/11/020

11/22/0211/22/020.000511/22/02011/22/02011/22/020

12/4/0212/4/020.010793103412/4/02012/4/020.001028571412/4/025.354919053512/4/025.321637426912/4/020.006418918912/4/020.000763358812/4/020

12/13/0212/13/02012/13/02012/13/02012/13/02012/13/02012/13/02012/13/02012/13/020.112/13/02012/13/02012/13/02012/13/028.8912/13/02012/13/02012/13/02012/13/020

EACH SITE:August:September:October:November:December:SITE AVERAGES:August:September:October:November:December:

SiteDistance from Lake Tahoe (km)% Azolla Coverage% Azolla Coverage% Azolla Coverage% Azolla Coverage% Azolla CoverageSiteDistance from Lake Tahoe (km)% Azolla Coverage% Azolla Coverage% Azolla Coverage% Azolla Coverage% Azolla Coverage

Pata8000.00344340840Pata8000.00344340840

Lock 21060400Lock106019.687520.02857142860

Lock 3106019.68750.05714285710Patrick1152.620244486320.34891304350

Patr --BB1150.174603174610.6978260870Tracy1220.11053590673.462327738141.134295765125.4488140850.0039405583

Patr 51155.065885798300Train1230.000232843112.157336199820.29951002227.0037936325.3382782402

Trac --BB12200.601132142935.903368526916.77011494250.0107931034Lonely1240.00164666670.0915366.42112083575.22138429750.0064189189

Trac --21220.00305543052.71521008436.047332474226.69126984130Swim12500.02884076172.53877941743.07332354130.0007633588

Trac --31220.32855228957.070640987551.45218629432.88505747130.0010285714John1522.67630416543.33696675670.0001250.025

Train --UP1230.000465686324.314672399730.62902393932.04444055945.3549190535Dead Ox16614.928364616623.903806989927.54.4444444444

Train --DN123009.96999610521.96314670455.3216374269LNIX178011.457118188230

Lon.Tree1240.00164666670.0915366.42112083575.22138429750.0064189189

Swim --UP12502.884E-022.53877941743.07332354130.0007633588

Swim --DN125000.07991071430.00157894740

John 1152011.01694915250.00050.1

John 31520.1169813664.830917874400

John 4152078.7500

John 615210.588235294178.7500

Dead 216625.3125358.89

Dead 31664.544229233223.90200

LNIX 117809.788760462320

LNIX 4178021.536082474220

LNIX 817803.046511627950

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

AvgSiteBio

00000063.45000000000

0000000000000000

3740237402374023740237402374023740200

0000000000000000

374133741337413374133741337413374130000

000003742637426000000

37432374323743237432374323743237432000

37438374383743837438374383743837438000000

37459374593745937459374593745937459000000

37467374673746737467374673746737467000000

3747337473374733747337473374733747300.1385330.0707590000

3747737477374770065.1421463.58

37481374813748137481374813748137481041.1347470002633.04

3748337483374833748337483374833748335745.3441.3000

3748637486374863748637486374863748601.5668561.012724000.22468800

374903749037490374903749037490374909006.933

3749237492374923749237492374923749202.30729173.0546610.04354402.0128300

3750237502375023750237502375023750221.28344914.09215426.6577551099.9758705.1818670.811026044889.036

3750937509375093750937509375093750914439.336

37515375153751537515375153751537515500.70241804.27292553.784211128.26793048.37813564.99962

00375243752410042.237524375242.58765663950.8223039.14900.381067.62323632.3532683.3484

375363753637536375363753637536375366792.143164597.38488034.9145267.1911892.652529.04662834.92580

375503755037550375503755037550375508568.41377456.419375675.323212755.126217145.452140.855355121.217870.1322

0.095640.047820.0382562677.9210.201637557375571544.551765.286.94173.883042.9

37561375613756137561375615422.863756123785.91

375643756437564375643756437564375648679.40782309.277734138.19160.23508

375663756637566375663756637566375667645.783215764.577713251.398

375713757137571375713757137571375713154.77360

37573375733757337573375731.6921624.32226.611343.944191.089933.47515240.428.086

3758237582375823758237582375823758200.1097100

3759437594375943759437594375943759400.1719722340.494953.130.889390.78360

00000002.2517221.592404087.31400588.40000

Pata 1

Pata 2

Pata 3

Lock 2

Lock 3

Patr BB

Patr 5

Trac BB

Trac 2

Trac 3

Train UP

Train DN

Lon.Tree

Swim UP

Swim DN

John 3

John 1

John 4

John 6

Dead 2

Dead 3

LNIX 1

LNIX 4

LNIX 8

Time

Total Azolla Biomass (g)

Total Azolla Biomass (g) for All Sites

SummaryBiomass

000063.45000000

00000000000

3740237402374023740237402

00000000000

374133741337413374133741300

0003742637426000

3743237432374323743237432000

3743837438374383743837438000

374593745937459374593745900

3746737467374673746737467000

3747337473374733747337473000

37477374773747765.1421463.58

3748137481374813748137481002633.04

3748337483374833748337483000

374863748637486374863748600.2246880

3749037490374903749037490

374923749237492374923749202.012830

375023750237502375023750221.2834495.1818670.811026

3750937509375093750937509

3751537515375153751537515500.702448.37813564.99962

003752437524375242.58765663950.824900.381067.62323632.3532683.3484

37536375363753637536375366792.14316529.04662834.9258

37550375503755037550375508568.41372140.855355121.2178

0.095640.047820.038256375573755786.94173.883042.9

3756137561375615422.8637561

37564375643756437564375642309.277734138.1916

37566375663756637566375667645.7832

37571375713757137571375713154.7736

3757337573375731.6921624.32226.61128.086

375823758237582375823758200.109710

37594375943759437594375940.889390.7836

000002.2517221.592404087.3140000

Pata 1

Pata 2

Pata 3

Patr BB

Patr 5

Trac BB

Lon.Tree

Swim UP

John 3

John 1

John 6

LNIX 1

LNIX 4

LNIX 8

Time

Total Azolla Biomass (g)

Total Azolla Biomass (g) for All Sites

CoverageGraphs

CoverageGraphs

8000.060572800

010042.21344.06081060

764.3611151152349.6240

11.9214812886.79880918520.766366237.23231666670.807898

0.01905053057.060959015.10482514409.79823646.81

0.745839333326.7800011334.9509851168.6818650.88939

032.9053232978.07183646.48260.7836

658.267223.22191415751520.02742752.22660102

15064.51129664.1861654.875166294.2

01794.44161101.241780

August

September

October

November

December

Distance from Lake Tahoe (km)

Monthly Azolla Biomass (g)

Average Site Monthly Azolla Biomass (g)

Pata00.0605720

02677.920

010042.210.20160

65.1422712.2760

1463.581624.320

0260.99292457680.278433936.19712.251722

1.00317909.1825256026.902058054.260850

38.40071066671490.220977541855.11866721.2390.171972

0.0381016114.12199011.158659306.44142340.49

009019.05119513.1554953.13

1.11875926.7800011334.9509851168.6818650.88939

032.9053232978.07183646.48260.7836

0035.06610.117540

0950.820.109717.314

02.5876566301.59240408

023039.100

2633.044900.3800

35745.31544.55588.4

4724.116529664.1861765.20

01067.623286.940

03632.3532173.880

0683.34843042.90

August

September

October

November

December

Sites along Truckee River

Total Biomass (g)

Monthly Biomass vs. Distance along lower Truckee River (2002)

Pata00.060572Pata0

010042.21344.0608Lock0

764.361PatrickPatrick2349.6240

11.9214812886.79880918520.766366237.23231666670.807898

0.01905053057.060959015.10482514409.79823646.81

0.745839333326.7800011334.9509851168.6818650.88939

032.9053232978.07183646.48260.7836

658.267223.2219141575John0.02742752.22660102

15064.51129664.1861654.875Dead Ox294.2

01794.44161101.24LNIX0

August

September

October

November

December

Sites

Monthly Azolla Biomass (g)

Average Site Monthly Azolla Biomass (g)

Total Biomass (g) at sites:

DatePata 1:Pata 1:Pata 2:Pata 2:Pata 3:Pata 3:Lock 2:Lock 2:Lock 3:Lock 3:Patr BB:Patr BB:Patr 5:Patr 5:Trac BB:Trac BB:TRAC 2:TRAC 2:TRAC 3:TRAC 3:Train Up:Train Up:Train DN:Train DN:Lon. Tree:Lon. Tree:Swim UP:Swim UP:Swim DN:Swim DN:John 1:John 1:John 3:John 3:John 4:John 4:John 6:John 6:Dead 2:Dead 2:DEAD 3:DEAD 3:LNIX 1:LNIX 1:LNIX 4:LNIX 4:LNIX 8:LNIX 8:

4/15/024/11/0204/11/0204/11/0204/12/0204/12/0204/12/0204/12/0263.454/15/0204/15/0204/16/0204/16/0204/16/0204/16/0204/16/0204/16/0204/16/020

5/6/025/3/0205/3/0205/3/0205/3/0205/3/0205/6/0205/6/0205/6/0205/6/0205/7/0205/7/0205/7/0205/7/0205/8/0205/8/0205/8/020

5/26/025/26/0205/26/0205/26/02

5/29/025/28/0205/28/0205/28/0205/28/0205/28/0205/29/0205/29/0205/29/0205/29/0205/30/0205/30/0205/30/0205/30/0205/30/0205/30/0205/30/020

6/6/026/6/0206/6/0206/6/0206/6/020

6/19/026/17/0206/17/0206/17/0206/18/0206/18/0206/19/0206/19/0206/21/0206/21/0206/21/0206/21/020

6/25/026/25/0206/25/0206/25/020

7/1/027/1/0207/1/0207/1/0207/1/0207/1/0207/1/020

7/22/027/22/0207/22/0207/22/0207/22/0207/22/0207/22/020

7/30/027/30/0207/30/0207/30/0207/30/0207/30/0207/30/020

8/5/028/5/0208/5/020.1385338/5/020.0707598/5/0208/5/0208/5/0208/5/020

8/9/028/9/0208/9/0208/9/0265.1428/9/021463.58

8/13/028/13/0208/13/0241.1347478/14/0208/14/0208/14/0208/14/022633.04

8/15/028/15/0235745.38/15/02441.38/16/0208/16/0208/16/020

8/18/028/18/0208/18/021.5668568/18/021.0127248/18/0208/18/0208/18/020.2246888/18/0208/18/020

8/22/028/22/029006.933

08/24/028/24/0208/24/022.3072918/24/0273.0546618/24/020.0435448/24/0208/24/022.012838/24/0208/24/020

09/03/029/2/0221.2834499/2/0214.092159/2/02426.6577559/3/021099.975879/3/0209/3/025.1818679/3/020.8110269/3/0209/4/0244889.036

09/10/029/10/0214439.336

09/16/029/15/02500.70249/15/021804.27299/16/022553.78429/16/0211128.267939/16/0209/16/0248.3781359/15/0264.99962

09/25/029/25/0209/25/0209/25/0210042.29/25/02950.829/25/022.587656639/25/0223039.19/25/024900.389/25/021067.62329/25/023632.35329/25/02683.3484

10/07/0210/7/026792.1431610/7/024597.384810/7/028034.91410/7/025267.191110/7/02892.65210/7/02529.0466210/7/02834.925810/7/020

10/21/0210/21/028568.413710/21/027456.419310/21/0275675.323210/21/0212755.126210/21/0217145.4510/21/022140.8553510/21/025121.217810/21/0270.1322

10/28/0210/28/020.0956410/28/020.0478210/28/020.03825610/28/022677.9210/28/0210.201610/28/021544.5510/28/021765.210/28/0286.9410/28/02173.8810/28/023042.9

11/01/0211/1/025422.8611/1/0223785.91

11/04/0211/4/028679.407811/4/022309.2777311/4/024138.191611/4/020.23508

11/06/0211/6/027645.783211/6/0215764.577711/6/0213251.398

11/11/0211/11/023154.773611/11/020

11/13/0211/13/021.69211/13/021624.3211/13/02226.61111/13/02343.94411/13/02191.0811/13/029933.47511/13/0215240.411/13/0228.086

11/22/0211/22/020.1097111/22/02011/22/02011/22/020

12/4/0212/4/02012/4/020.17197212/4/022340.4912/4/024953.1312/4/020.8893912/4/020.783612/4/020

12/13/0212/13/02012/13/02012/13/02012/13/02012/13/02012/13/02012/13/02012/4/022.25172212/13/027.31412/13/021.5924040812/13/02012/13/02012/13/02588.412/13/02012/13/02012/13/02012/13/020

DateSiteDistance from Lake Tahoe (km)Total Biomass (g)

June:

Pata800

Lock 21060

Lock 31060

Patr --BB115N/A

Patr 5115N/A

Trac --BB1220

Trac --21220

Trac --31220

Train --UP1230

Train --DN1230

Lon.Tree124

Swim --UP125

Swim --DN125

John 1152

John 3152

John 4152

John 6152

Dead 2166

Dead 3166

LNIX 1178

LNIX 4178

LNIX 8178

August:September:October:November:December:SITE AVERAGES:August:September:October:November:December:

SiteDistance from Lake Tahoe (km)Total Biomass (g)Total Biomass (g)Total Biomass (g)Total Biomass (g)Total Biomass (g)SiteDistance from Lake Tahoe (km)Total Biomass (g)Total Biomass (g)Total Biomass (g)Total Biomass (g)Total Biomass (g)

Pata8000.0605720

Pata8000.0605720Lock106010042.21344.06080

Lock 210602677.920Patrick115764.3612349.6240

Lock 3106010042.210.20160Tracy12211.9214812886.79880918520.766366237.23231666670.807898

Patr --BB11565.1422712.2760Train1230.01905053057.060959015.10482514409.79823646.81

Patr 51151463.581624.320Lonely1240.745839333326.7800011334.9509851168.6818650.88939

Trac --BB1220260.99292457680.278433936.19712.251722Swim125032.9053232978.07183646.48260.7836

Trac --21221.00317909.1825256026.902058054.260850John152658.267223.22191415750.02742752.22660102

Trac --312238.40071066671490.220977541855.11866721.2390.171972Dead Ox16615064.51129664.1861654.875294.2

Train --UP1230.0381016114.12199011.158659306.44142340.49LNIX17801794.44161101.240

Train --DN123009019.05119513.1554953.13

Lon.Tree1241.11875926.7800011334.9509851168.6818650.88939

Swim --UP125032.9053232978.07183646.48260.7836

Swim --DN1250035.06610.117540

John 11520950.820.109717.314

John 315202.5876566301.59240408

John 4152023039.100

John 61522633.044900.3800

Dead 216635745.31544.55588.4

Dead 31664724.116529664.1861765.20

LNIX 117801067.623286.940

LNIX 417803632.3532173.880

LNIX 81780683.34843042.90

000000000000000000000000

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000000000000000000000000

000000000000000000000000

000000000000000000000000

000000000000000000000000

000000000000000000000000

000000000000000000000000

000000000000000000000000

000000000000000000000000

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000000000000000000000000

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000000000000000000000000

00000000000000000000000

Pata 1

Pata 2

Pata 3

Lock 2

Lock 3

Patr BB

Patr 5

Trac BB

Trac 2

Trac 3

Train UP

Train DN

Lon.Tree

Swim UP

Swim DN

John 3

John 1

John 4

John 6

Dead 2

Dead 3

LNIX 1

LNIX 4

LNIX 8

Time

Total Azolla Biomass (g)

Total Azolla Biomass (g) for All Sites

MR: Averages were calculated when site was sampled multiple times in same month.

MR: No Meas. for this site.

MR: Averages were calculated when site was sampled multiple times in same month.

MR: Estimates, correct later.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No Meas. for this site.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: No data available.

MR: Averages were calculated when site was sampled multiple times in same month.

August

September

October

November

December

Sites

Monthly Azolla Biomass (g)

00

00

00

00

00.8611

00.0212

01.5293

0.59178.9315

13.9253.46

188.828168.2

238.211584.16

212.56277.4

6.34

0.06260.0036

Below Bridge

Trac. 2

Time (days)

Azolla Coverage (ft2) Below Bridge

Tracy -- Azolla Coverage (ft2)

Pata00.0034434084Pata0

0Lock 240Lock 20

019.68750.0571428571Lock 30

0.1746031746Patr --BBPatr --BB10.6978260870

5.065885798Patr 5Patr 5300

00.601132142935.903368526916.77011494250.0107931034

0.00305543052.71521008436.047332474226.69126984130

0.32855228957.070640987551.45218629432.88505747130.0010285714

0.000465686324.314672399730.62902393932.04444055945.3549190535

009.96999610521.96314670455.3216374269

0.00164666670.0915366.42112083575.22138429750.0064189189

00.02884076172.53877941743.07332354130.0007633588

000.07991071430.00157894740

011.0169491525John 10.00050.1

0.1169813664.8309178744John 300

078.75John 400

10.588235294178.75John 600

25.3125Dead 235Dead 28.8888888889

4.544229233223.903806989920Dead 30

09.78876046232LNIX 10

021.53608247422LNIX 40

03.04651162795LNIX 80

August

September

October

November

December

Sites

% Azolla Coverage

% Azolla Coverage for Each Site along the Truckee River (2002)

Pata00.0034434084Pata0

019.687520.0285714286Lock0

2.6202444863PatrickPatrick20.34891304350

0.11053590673.462327738141.134295765125.4488140850.0039405583

0.000232843112.157336199820.29951002227.0037936325.3382782402

0.00164666670.0915366.42112083575.22138429750.0064189189

00.02884076172.53877941743.07332354130.0007633588

2.67630416543.3369667567John0.0001250.025

14.928364616623.903806989927.5Dead Ox4.4444444444

011.45711818823LNIX0

August

September

October

November

December

Distance from Lake Tahoe (km)

% Azolla Coverage

Site Average % Azolla Coverage along the Truckee River (2002)

Truckee River Sediment TMDL DevelopmentGoalsEstimate sediment load for TMDL source assessmentCharacterize sediment variabilityDevelop surrogate for sediment using turbidity

Principal Investigator: G. Dana, Desert Research InstituteFunding Agency: Lahontan Regional Water Quality Control BoardSampling sites along Truckee River

Truckee River Sediment TMDL DevelopmentResults will be used in conjunction with previous biological studies to determine level of sediment impairment in the Truckee River.

Source Analysis by Compilation of DataDeveloped relationship between Sediment Load and FlowLub=10B0LogQ(t)B1e2.651s2

Sediment Load Prediction, Normalized by Area

Chart1

131.8905417618

300.8772105207

91.2892496723

27.7454510014

12.5163868714

8.4390255834

25.4735730413

24.5916328904

226.4588370486

19.8595649818

Average normalized load (tons/mi2/yr)

SSC-TSS (2)

SSC-TSS (2)

7785

8691

8391

9498

9199

95101

78109

98122

85140

82159

92291

69325

53364

95436

82443

88483

60614

95665

67690

461270

841310

561560

741560

&A

Page &P

%

Fish and BugsMacroinvertebrate Bioassessments (Sada+NDEP)Stream Fish Abundance & Community Structure (Sada/TNC)McCarran Ranch Restoration Tahoe Basin Stream Fish/Habitat Relationships (Sada/NDOW )

Past and Present DRI Eco-assessment programs InterdisciplinaryHelp Construct Framework for Future Bio-assessment Programs.e.g. Developing Ecological Condition Gradientse.g. Development of IBIs