“…To develop this synthesis, and the associated bibliography (Melcher and Skagen, 2005), we conducted extensive searches of existing literature and sought professional knowledge from scientists and land managers. Literature searches entailed the use of databases, such as Agricola, Cambridge Scientific Abstracts (including agricultural, biological, ecological, environmental, pollution and engineering topical areas), Water Resources Abstracts, Wildlife Worldwide (NISC), First Search, Web of Science (Science Citation Index), Dissertation Abstracts, and others.…”