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Provedor de dados:  Ecology and Society
País:  Canada
Título:  Setting priorities for private land conservation in fire-prone landscapes: Are fire risk reduction and biodiversity conservation competing or compatible objectives?
Autores:  Syphard, Alexandra D.; Conservation Biology Institute;
Butsic, Van; Department of Environmental Science, Policy and Management, University of California Berkeley;
Bar-Massada, Avi; Department of Biology and Environment, University of Haifa at Oranim;
Keeley, Jon E.; U.S. Geological Survey, Western Ecological Research Center, Sequoia-Kings Canyon Field Station, Three Rivers, California;
Tracey, Jeff A.; Western Ecological Research Center, U.S. Geological Survey, San Diego Field Station, San Diego, California;
Fisher, Robert N.; Western Ecological Research Center, U.S. Geological Survey, San Diego Field Station, San Diego, California;
Data:  2016-07-13
Ano:  2016
Palavras-chave:  Housing arrangement
Reserve design
Site selection
Southern California
Species richness
Resumo:  Although wildfire plays an important role in maintaining biodiversity in many ecosystems, fire management to protect human assets is often carried out by different agencies than those tasked for conserving biodiversity. In fact, fire risk reduction and biodiversity conservation are often viewed as competing objectives. Here we explored the role of management through private land conservation and asked whether we could identify private land acquisition strategies that fulfill the mutual objectives of biodiversity conservation and fire risk reduction, or whether the maximization of one objective comes at a detriment to the other. Using a fixed budget and number of homes slated for development, we simulated 20 years of housing growth under alternative conservation selection strategies, and then projected the mean risk of fires destroying structures and the area and configuration of important habitat types in San Diego County, California, USA. We found clear differences in both fire risk projections and biodiversity impacts based on the way conservation lands are prioritized for selection, but these differences were split between two distinct groupings. If no conservation lands were purchased, or if purchases were prioritized based on cost or likelihood of development, both the projected fire risk and biodiversity impacts were much higher than if conservation lands were purchased in areas with high fire hazard or high species richness. Thus, conserving land focused on either of the two objectives resulted in nearly equivalent mutual benefits for both. These benefits not only resulted from preventing development in sensitive areas, but they were also due to the different housing patterns and arrangements that occurred as development was displaced from those areas. Although biodiversity conflicts may still arise using other fire management strategies, this study shows that mutual objectives can be attained through land-use planning in this region. These results likely generalize to any place where high species richness overlaps with hazardous wildland vegetation.
Tipo:  Peer-Reviewed Reports
Idioma:  Inglês
Identificador:  vol21/iss3/art2/
Editor:  Resilience Alliance
Formato:  text/html application/pdf
Fonte:  Ecology and Society; Vol. 21, No. 3 (2016)

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