Drivers of Spatial Variation in Plant Diversity Across the Central Arizona-Phoenix Ecosystem Export

@article{citeulike:3020651, abstract = {We examined how growth of the Phoenix urban landscape has changed spatial patterns in native Sonoran desert plant diversity. Combining data from the U.S. Census with a probability-based field inventory, we used spatial and multivariate statistics to show how plant diversity across the region is influenced by human actions. Spatial variations in plant diversity among sites were best explained by current and former land use, income, housing age, and elevation. Despite similar average diversity in perennial plant genera between desert and urban sites, numerous imported exotics have significantly increased variation in plant generic composition among urban sites, with a “luxury effect” of higher plant diversity at sites in wealthier neighborhoods. We conclude that controls on natural spatially autocorrelated desert plant diversity are replaced by a variable suite of site-specific human factors and legacy effects, which require an integration of ecology and social science to be fully understood.}, author = {Hope, Diane and Gries, Corinna and Casagrande, David and Redman, Charles L. and Grimm, Nancy B. and Martin, Chris}, citeulike-article-id = {3020651}, citeulike-linkout-0 = {http://dx.doi.org/10.1080/08941920500394469}, doi = {10.1080/08941920500394469}, journal = {Society \& Natural Resources}, keywords = {diversity, growth, phoenix}, number = {2}, pages = {101--116}, posted-at = {2008-12-12 19:29:04}, priority = {2}, publisher = {Taylor \& Francis}, title = {Drivers of Spatial Variation in Plant Diversity Across the Central Arizona-Phoenix Ecosystem}, url = {http://dx.doi.org/10.1080/08941920500394469}, volume = {19}, year = {2006} }

TY - JOUR ID - citeulike:3020651 L3 - citeulike-article-id:3020651 N2 - We examined how growth of the Phoenix urban landscape has changed spatial patterns in native Sonoran desert plant diversity. Combining data from the U.S. Census with a probability-based field inventory, we used spatial and multivariate statistics to show how plant diversity across the region is influenced by human actions. Spatial variations in plant diversity among sites were best explained by current and former land use, income, housing age, and elevation. Despite similar average diversity in perennial plant genera between desert and urban sites, numerous imported exotics have significantly increased variation in plant generic composition among urban sites, with a “luxury effect” of higher plant diversity at sites in wealthier neighborhoods. We conclude that controls on natural spatially autocorrelated desert plant diversity are replaced by a variable suite of site-specific human factors and legacy effects, which require an integration of ecology and social science to be fully understood. IS - 2 JF - Society & Natural Resources EP - 116 TI - Drivers of Spatial Variation in Plant Diversity Across the Central Arizona-Phoenix Ecosystem PB - Taylor & Francis VL - 19 SP - 101 KW - diversity KW - growth KW - phoenix AU - Hope, Diane AU - Gries, Corinna AU - Casagrande, David AU - Redman, Charles AU - Grimm, Nancy AU - Martin, Chris PY - 2006/// UR - http://dx.doi.org/10.1080/08941920500394469 ER -