title: To the edge: studies of species' range limits.
authors: Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14853-2701, USA (tel +1607 2544208; fax +1607 255 8088; email mag9@cornell.edu).
authors: Monica A
authors: MA
authors: Geber
mesh_terms: D005075:Biological Evolution; D017753:Ecosystem; D010944:Plants / Q000235:genetics; D011156:Population Density