Indicators Assessment for Habitat Conservation Plan of Yolo County, California, USA |
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Authors: | K Shawn Smallwood Bruce Wilcox Roy Leidy Kevin Yarris |
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Institution: | (1) Consulting in the Public Interest, Institute for Sustainable Development, 109 Luz Pl., Davis, California 95616, USA , US;(2) Institute for Sustainable Development, The Thoreau Center for Sustainability\MThe Presidio, PO Box 29075, San Francisco, California 94129-0075, USA , US;(3) EIP Associates, 1200 Second Street, Suite 200, Sacramento, California 95814, USA , US;(4) Yolo County Community Development Agency (Planning Department), 292 West Beamer Street, Woodland, California 95695, USA , US |
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Abstract: | / Whereas habitat conservation plans (HCPs) have been intended to provide comprehensive environmental mitigation for multiple species, they often narrow in focus to one species and either one mitigation site or unspecified sites. We developed an indicators framework from which to rate land units for their ecological integrity, collateral values (nonbiological qualities that can improve conservation), and restoration and conservation opportunities. The ratings of land units were guided by the tenets of conservation biology and principles of landscape and ecosystem ecology, and they were made using existing physical and floral information managed on a GIS. As an example of how the indicators approach can be used for HCPs, the 29 legally rare species targeted by the Yolo County HCP were each associated with vegetation complexes and agricultural crops, the maps of which were used for rating some of the landscape indices. The ratings were mapped so that mitigation can be directed to the places on the landscape where the legally rare species should benefit most from conservation practices. The most highly rated land units for conservation opportunity occurred along streams and sloughs, especially where they emerged from the foothills and entered the Central Valley and where the two largest creeks intersected the Sacramento River flood basin. We recommend that priority be given to mitigation or conservation at the most highly rated land units. The indices were easy to measure and can be used with other tools to monitor the mitigation success. The indicators framework can be applied to other large-area planning efforts with some modifications.KEY WORDS: Ecosystem; Indicators; Landscape; Mitigation; Planning; Yolo County; California |
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Keywords: | : Ecosystem Indicators Landscape Mitigation Planning Yolo County California |
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