Wetlands at Devils Postpile National Monument Wetland Mapping – NWI vs. field maps Wetland function by wetland type Wetland condition Possible responses to threats Marie Denn, Aquatic Ecologist, National Park Service Wetlands at Devils Postpile National Monument Field-mapped wetland types and acreages, NWI omissions Wetlands at Devils Postpile National Monument Function Assessment modeled on Tiner 2005 Wetlands at Devils Postpile National Monument Evaluation with California Rapid Assessment Method Field-assessment of wetland condition based on: Condition of surrounding land (buffer) Modification of hydrology Complexity physical environment Complexity of biological systems Wetlands at Devils Postpile National Monument Example rating criteria: Biotic Complexity Wetlands at Devils Postpile National Monument Example rating criteria: Plan View Interspersion Wetlands at Devils Postpile National Monument Example of Rating Scores Wetlands at Devils Postpile National Monument Condition evaluation with California Rapid Assessment Method 100 90 CRAM Attribute Score 80 70 60 50 40 30 Marsh (palustrine) River (riverine) 20 Buffer/Landscape Hydrology Physical Structure Wetland Attribute Biotic Structure Wetland Condition Hand Waiving about Responses to Threats Time Conclusions ... Thanks and acknowledgements: •Donna Shorrock, Wetlands Field Ecologist Extraordinaire Field mapping can identify substantial errors •DeannainDulen, Devils Postpile NM NWISuperintendent maps •Joel Wagner, National Park Service Lead Wetlands Ecologist Characterizing wetland function by wetland •Sylvia Haultain, Vegetation Ecologist Sequoia and Kings Canyon NP type may be a useful landscape-scale conservation toolResources Division •National Park Service Water •The 2006 summer staff at Devils Postpile National Monument Wetland condition can be assessed rapidly, semi-quantitatively, repeatably Extreme episodic disturbances may degrade wetlands permanently Many, many thanks: •Donna Shorrock, Wetlands Field Ecologist Extraordinaire •Deanna Dulen, Superintendent Devils Postpile NM •Joel Wagner, National Park Service Lead Wetlands Ecologist •Sylvia Haultain, Vegetation Ecologist Sequoia and Kings Canyon NP •Lorraine Parsons, Wetland Ecologist Point Reyes NS •National Park Service Water Resources Division •The 2006 Summer Staff at Devils Postpile National Monument
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