Document Detail

Using topography to meet wildlife and fuels treatment objectives in fire-suppressed landscapes.
MedLine Citation:
PMID:  20872142     Owner:  NLM     Status:  MEDLINE    
Past forest management practices, fire suppression, and climate change are increasing the need to actively manage California Sierra Nevada forests for multiple environmental amenities. Here we present a relatively low-cost, repeatable method for spatially parsing the landscape to help the U.S. Forest Service manage for different forest and fuel conditions to meet multiple goals relating to sensitive species, fuels reduction, forest products, water, carbon storage, and ecosystem restoration. Using the Kings River area of the Sierra Nevada as a case study, we create areas of topographically-based units, Landscape Management Units (LMUs) using a three by three matrix (canyon, mid-slope, ridge-top and northerly, southerly, and neutral aspects). We describe their size, elevation, slope, aspect, and their difference in inherent wetness and solar radiation. We assess the predictive value and field applicability of LMUs by using existing data on stand conditions and two sensitive wildlife species. Stand conditions varied significantly between LMUs, with canyons consistently having the greatest stem and snag densities. Pacific fisher (Martes pennanti) activity points (from radio telemetry) and California spotted owl (Strix occidentalis occidentalis) nests, roosts, and sightings were both significantly different from uniform, with a disproportionate number of observations in canyons, and fewer than expected on ridge-tops. Given the distinct characteristics of the LMUs, these units provide a relatively simple but ecologically meaningful template for managers to spatially allocate forest treatments, thereby meeting multiple National Forest objectives. These LMUs provide a framework that can potentially be applied to other fire-dependent western forests with steep topographic relief.
Emma C Underwood; Joshua H Viers; James F Quinn; Malcolm North
Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.     Date:  2010-09-25
Journal Detail:
Title:  Environmental management     Volume:  46     ISSN:  1432-1009     ISO Abbreviation:  Environ Manage     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-25     Completed Date:  2011-01-25     Revised Date:  2013-07-03    
Medline Journal Info:
Nlm Unique ID:  7703893     Medline TA:  Environ Manage     Country:  United States    
Other Details:
Languages:  eng     Pagination:  809-19     Citation Subset:  IM    
Department of Environmental Science and Policy, University of California, Davis, 95616, USA.
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MeSH Terms
Conservation of Natural Resources / economics,  methods*
Fires / prevention & control*
Forestry / economics,  methods*
Population Density
Trees / classification
United States
United States Government Agencies

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