focus on forests by daniel j. van abs
TRANSCRIPT
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Focus on ForestsDaniel J. Van Abs, PhD, PP/AICP
Associate Research ProfessorRutgers-The State University of New Jersey
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So many acres, so little $$
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Setting Priorities – Variations on a ThemeRaritan Basin Method
Highlands RMP Method (33 Criteria)
Forests and Wildlife Habitat
Wellhead Protection Areas Riparian Areas Ground Water RechargeProximity to Preserved
Open Space Not Urban Land Use/Land
CoverOverlay to identify areas
with the highest combined scores
ID highest priorities by parcel
Forest IntegrityWatershed CharacteristicsRiparian CorridorsRecharge AreasOpen Waters and WetlandsCritical HabitatSteep SlopesOverlay to identify areas
with the highest combined scores, group to High/Mod
ID highest priorities by parcel, adding in proximity to preserved open space
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Ground Water RechargeNJ Geological Survey
method – GSR-32 (Charles, et al., 1993)
Infiltration to water table, not aquifer recharge per se
Combination of precipitation, surface runoff, evapotranspiration and soil moisture deficit information
Can use average or drought recharge rates
“Prime” Recharge Areas – lands providing best rechargeRaritan Plan: 25% of total
recharge by subwatershedHighlands RMP: 40% of
total recharge by subwatershed
Highlands Council, 2008
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Final Results
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Land Preservation for Water Supply
Full watershedContra Costa Co., CA
Critical areasAkron, OHMass. WRANJWSARochester, NYSeattle, WA
Other public ownersPortland, OR