an integrated approach to precision conservation planning in the south fork watershed

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  1. 1. AnIntegratedApproachToPrecisionConservation PlanningInTheSouthForkWatershed RichardM.Cruse1,ThomasPaulson1,SethM.Dabney2, ElenaPolush3,JamieRidgely4,andThomasJ.Buman4 1IowaStateUniversity;2USDAARSOxford,MS;3BallStateUniversity;and4Agren,Inc.,Carroll,IA
  2. 2. 8.8T/A 2.8T/A 8.8T/A 3.6T/A 10.6T/A
  3. 3. 4.8T/A 1.6T/A 5.4T/A5.4T/A 8.0T/A
  4. 4. StateWideAverage 5.7T/A/YR Loss
  5. 5. RESToftheSTORY ErosionyouseeisNOTincluded!
  6. 6. Howtoeducatestakeholders,engageland managers,andmaximizereturnon conservationinvestment? ?
  7. 7. Validatepredictionsofarecentlydevelopedephemeralgully calculator Comparepredictedephemeralgullychannellocationsand propertieswithgroundtruthobservations Workwithageducatorstodevelopinstructionalunitsto educatehighschoolFFAstudentsontypesofwatererosion, erosioncontrolpractices,andthewaterqualitybenefits associatedwithprecisionconservation Utilizeprecisionconservationplanningtechnologiestotarget andfullyplanBMPsforwatershedephemeralgullycontrol Directmarketplansforephemeralgullycontrolpracticesto landownersofhighprioritysites Engagewatershedstakeholdersinidentifyingareasof ephemeralgullyerosionandplanningandinstallingappropriate bestmanagementpractices. Objectives
  8. 8. Combined sheet, rill, and ephemeral gully erosion with no grassed waterway 33 Mg ha-1 y-1 delivered from watershed
  9. 9. Combined sheet, rill, and ephemeral gully erosion with grassed waterway 17 Mg ha-1 y-1 delivered from watershed
  10. 10. Validatepredictionsofarecentlydevelopedephemeralgully calculator 10 Wireless router Camera Groundcontrol points
  11. 11. Photography 11 Wireless router Camera Groundcontrol points
  12. 12. Photography 13 H.Li S.Lee
  13. 13. Photogrammetry ANALYSIS PhotoModeler Scanner OUTPUT Point cloud INPUT Image pair Control points
  14. 14. Profile extraction 15
  15. 15. FieldEvaluation Sedimentyield Average:8.30Mgha1 0.02to30.54Mgha1 Gullyerosion Range:2.0to18.2Mgha1 Contribution:19%to45% Poesen etal.,2003;Helmers etal.,2012 16
  16. 16. Interpretation Sedimentlossperunitarea Fieldarea Fillarea Example 6.6Mgephemeralgullyerosion Perfieldarea0.73ha: 9Mgha1 Perfillarea0.05ha: 136Mgha1 17 Preerosion PostGullyFormation PostFill
  17. 17. Comparepredictedephemeralgullychannellocationsand propertieswithgroundtruthobservationsobtainedusing surveyandphotogrammetrictechniques
  18. 18. Comparepredictedephemeralgullychannellocationsand propertieswithgroundtruthobservationsobtainedusing surveyandphotogrammetrictechniques
  19. 19. Of19meetingattendees,11engagedwithconservation plannerstoassesswaterwayneeds 2015listnarrowedto143landownerswithhighest ephemeralgullyrisk 28responded 16workingwithLandOwneradvisoronpropertyassessment Summer2015refinelistto50landowners Educateonephemeralgully Risks Importanceofcontrol Controltoolsandstrategies Engagewatershedstakeholdersinidentifyingareasof ephemeralgullyerosionandplanningandinstalling appropriatebestmanagementpractices.
  20. 20. Twonewsletters,postcardinvitation,andphonecalls wereusedwith811landownerstoeducatethemon differentformsoferosionandwaystocontrol ephemeralerosion. Landownerswereinvitedtomeeting Goal:increasetheknowledgeandawarenessoferosion sourcesandcontrolpracticesintheSouthFork Nineteenlandownersattendedthemeeting11metwith aconservationplannertoassesswaterwayneedson theirproperty Directmarketplansforephemeralgullycontrol practicestolandownersofhighprioritysites
  21. 21. DevelopedandimplementedanewPrecisionConservationCurriculum (Spring2014 Spring2015) Withfouragriculturaleducationteachersfromfourpartner high schoolintheSouthForkWatershed Developed Tested Revised Stronginterestin makingthiscurriculumaspartoftheirpermanent classstructure. Trainedagriculturaleducationteachersforstatewideimplementation (Iowa) TRAININGDONEBYPROJECTHIGHSCHOOLTEACHERS June23:TwoCurriculumtrainingworkshopsatthe2015Summer ConferenceofIowaAssociationofAgriculturalEducators:65 voluntaryattendees Plantedseeds,hopingforgrowth. Workwithageducatorstodevelop instructionalunits
  22. 22. SitesTrained.Colorindicateswillingness toparticipateinresearchstudy.

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