Northern Prairie Wildlife Research Center


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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.

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