Contributions of the Conservation Reserve Program to Populations of Breeding
Birds in North Dakota
Acknowledgments
We appreciate the cooperation of the numerous land owners and operators who allowed
us access to their property, to the state Agricultural Stabilization and Conservation
Service (ASCS) directors, and to the executive directors and staffs of county
ASCS offices who kindly provided us with information on CRP fields. J. R. Sauer
of the National Biological Service and B. G. Peterjohn of the U.S. Fish and Wildlife
Service supplied information from the Breeding Bird Survey. We thank C. J. Johnson,
R. L. Manson, M. D. Schwartz, C. M. Shoemaker, and K. A. Ward for their assistance
in the field. J. A. Grzybowski, H. A. Kantrud, R. R. Koford, D. L. Larson, and
J. L. Zimmerman provided constructive comments on the manuscript.
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