The primary objective of this study is to assess the Mexican experience in
managing coastal natural areas. The assessment is based on the categories, uses,
objectives, and political elements of Mexican protected coastal areas and governmental
efforts to develop and manage these areas. Specific problems within each protected
coastal area...
The climate of the Pacific Northwest is in flux, and existing forest ecosystems are stressed and poised to shift in fundamental ways, with or without human intervention. This dissertation probes the nature of forest responses to environmental change through investigations of morphology and genetics of three species of alder co-occurring...
Until the 1930s, flows of the Colorado River maintained approximately 781,060 hectares of wetlands in its delta. These wetlands provided important feeding and nesting grounds for resident and migratory birds as well as spawning and protection habitat for many fish and other invertebrate species. However, the Delta's wetlands started to...