Conservation Planning for Offsetting the Impacts of Development: A Case Study of Biodiversity and Renewable Energy in the Mojave Desert

Balancing society's competing needs of development and conservation requires careful consideration of tradeoffs. Renewable energy development and biodiversity conservation are often considered beneficial environmental goals. The direct footprint and disturbance of renewable energy, however, can...

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Veröffentlicht in:PloS one 2015-11, Vol.10 (11), p.e0140226
Hauptverfasser: Kreitler, Jason, Schloss, Carrie A, Soong, Oliver, Hannah, Lee, Davis, Frank W
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creator Kreitler, Jason
Schloss, Carrie A
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Hannah, Lee
Davis, Frank W
description Balancing society's competing needs of development and conservation requires careful consideration of tradeoffs. Renewable energy development and biodiversity conservation are often considered beneficial environmental goals. The direct footprint and disturbance of renewable energy, however, can displace species' habitat and negatively impact populations and natural communities if sited without ecological consideration. Offsets have emerged as a potentially useful tool to mitigate residual impacts after trying to avoid, minimize, or restore affected sites. Yet the problem of efficiently designing a set of offset sites becomes increasingly complex where many species or many sites are involved. Spatial conservation prioritization tools are designed to handle this problem, but have seen little application to offset siting and analysis. To address this need we designed an offset siting support tool for the Desert Renewable Energy Conservation Plan (DRECP) of California, and present a case study of hypothetical impacts from solar development in the Western Mojave subsection. We compare two offset scenarios designed to mitigate a hypothetical 15,331 ha derived from proposed utility-scale solar energy development (USSED) projects. The first scenario prioritizes offsets based precisely on impacted features, while the second scenario offsets impacts to maximize biodiversity conservation gains in the region. The two methods only agree on 28% of their prioritized sites and differ in meeting species-specific offset goals. Differences between the two scenarios highlight the importance of clearly specifying choices and priorities for offset siting and mitigation in general. Similarly, the effects of background climate and land use change may lessen the durability or effectiveness of offsets if not considered. Our offset siting support tool was designed specifically for the DRECP area, but with minor code modification could work well in other offset analyses, and could provide continuing support for a potentially innovative mitigation solution to environmental impacts.
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subjects Alternative energy sources
Analysis
Biodiversity
Biodiversity conservation
California
Case reports
Case studies
Climate and land use
Climate change
Climate effects
Community relations
Conservation biology
Conservation of Energy Resources - methods
Desert Climate
Desert environments
Deserts
Durability
Ecology
Ecosystem
Ecosystem biology
Ecosystems
Energy conservation
Energy industry
Environmental impact
Environmental science
Geospatial data
Land use
Mitigation
Net losses
Offsets
Planning
Protection and preservation
Renewable energy
Solar Energy
Species
Trends
United States
Wildlife conservation
title Conservation Planning for Offsetting the Impacts of Development: A Case Study of Biodiversity and Renewable Energy in the Mojave Desert
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