vegetation inventory and survey methods: a reclamation tool monica pokorny, kc harvey environmental,...
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![Page 1: Vegetation Inventory and Survey Methods: A Reclamation Tool Monica Pokorny, KC Harvey Environmental, LLC Dennis Neuman, KC Harvey Environmental, LLC Kristine](https://reader035.vdocument.in/reader035/viewer/2022062422/56649eb25503460f94bb976a/html5/thumbnails/1.jpg)
Vegetation Inventory and Survey Methods:Vegetation Inventory and Survey Methods:
A Reclamation Tool A Reclamation Tool
Monica Pokorny, KC Harvey Environmental, LLC
Dennis Neuman, KC Harvey Environmental, LLC
Kristine Edwards, EPA Region 8
Dennis Smith, CH2M Hill
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Component of Reclamation Activities• Planning• Revegetation• Diversity• Weed Management• Sensitive Species• Species Salvage
Vegetation Inventory or Survey
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What vegetation is present
Where it is located
Fundamental for management and future monitoring
Inventory & Survey
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Clearly define survey and inventory goals and objectives• How will data be used to meet land use goals• What data to collect• How much information is needed• What future parameters will be monitored
Consider project constraints• Size of area, topography, access• Costs and timing• Regulatory requirements
Objectives and Constraints
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Case Study
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• Pre-remedial design tool for the Clark Fork River Superfund Site
• Characterize the floodplain• A consistent, repeatable classification process • Applied to Reach A of the CFR operable unit
• 46 river miles• 100 year floodplain• 9941 acres• 153 landowners
Riparian Evaluation System (RipES)
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-Data-driven decision making • Landscape Stability• Contamination Severity• Plant Community Attributes
-Exact location, surface area, volume-Locate cultural features -Attributes displayed as GIS layers -Develop system for data storage and presentation
RipES – Data Collected
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Results
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Results
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Results
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Objectives• Weed control prior to reclamation• BMP (prevention, containment) on private lands• Protect reclamation remedy in long-term• Monitoring during and after construction
Constraints• Budget• Large area• Limited personnel and time frame
Selecting a New Weed Inventory Method
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Species – Noxious weeds
Location - UTM
Size of Infestation• < 0.1 acre • 0.1 - 0.25 acre• 0.26 - 1 acre• 1.1 - 2.5 acres• 2.6 - 5 acres
Canopy Cover• Trace (<1%), • Low or occasional plants (1-5%), • Moderate or scattered plants (6-25%), • High or fairly dense plants (26-100%)
Data Needed
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Effective Detection Swath Width
Transects - 30 meters apart
Patch Separation Resolution
Landscape-Scale Wildland Inventory
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Between Feature Points
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TITLE Collect Features
• Point• Line• Polygon
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• 90% confidence of finding all weed occurrences • Collect data to apply toward management as
locate weeds• Accurate acreage of weed infestation by species
18 species of weeds, 5298 ac. infested
• Easily produce maps • Cost effective – saved client ~ $150,000
Advantages
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Inventory of Species Diversity on Reclaimed Coal Mine
Reever-Morghan et al. 2005
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Adaptive Sampling Design