Northern Prairie Wildlife Research Center

Relationships of Habitat Patch Size to Predator Community and Survival of Duck Nests

Figures


location of areas studied in the Prairie Pothole Region
Fig. 1.   Location of areas studied (solid dots) in the Prairie Pothole Region (solid line) of Minnesota, North Dakota, and South Dakota, 1993-95. Dashed line separates the Great Plains and Central Lowlands physiographic regions (after Kantrud 1993). Diagonal dashed line separates study sites by median patch location (northwest or southeast of 46°8'N and 97°43'W).

schematic diagram of a 41.4-km² study area containing 5 patches
Fig. 2.   Schematic diagram of a 41.4-km² (16-mi²) study area containing 5 patches.
NPWRC Home | Site Map | About Us | Staff | Search | Contact | Web Help | Copyright

Accessibility FOIA Privacy Policies and Notices

Take Pride in America home page. FirstGov button U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/habpatch/figures.htm
Page Contact Information: npwrc@usgs.gov
Page Last Modified: October 11, 2006