J. C. Lewis

A method of habitat assessment known as Habitat Evaluation Procedures has been developed by the U.S. Department of Interior Fish and Wildlife Service. A linear relationship is assumed to exist between an area's Habitat Suitability Index (HSI) and carrying capacity. The objective of this study was to determine whether an HSI model for clapper rail (Rallus longirostris) is valid for predicting habitat suitability for this species in Georgia. Call-count surveys were conducted for clapper rail on 12 40-ha areas of tidal salt marsh during the winter and the spring of 1982-1983. Call counts and...

This study in 1972-73 in northweste"n Oklahoma, using soil-vegetation cores and sweep-net samples, assessed the seasonal biomass of invertebrates and "principal" seeds that are potential foods of bobwhite (Colinus virginianus) in 2 natural (stabilized dunes, upland woods) and 4 man-altered habitats (old disked areas, recently disked areas, mature food plots, and thinned bottomland forest). Mature food plots had greater (P< 0.05) amounts of seeds during summer and fall than other habitats. Food productivity remains high the second year after a food plot is planted and perhaps longer....