CFR > Title 50 - Wildlife and Fisheries > CHAPTER I—UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR > SUBCHAPTER C—THE NATIONAL WILDLIFE REFUGE SYSTEM (Parts 25–38) > PART 31—WILDLIFE SPECIES MANAGEMENT > SUBPART A—Surplus Wildlife (§31.1 to §31.2) > 31.1—Determination of surplus wildlife populations.

31.1—Determination of surplus wildlife populations.

The populations and requirements of wildlife species on wildlife refuge areas shall be determined by population census, habitat evaluation, and other means of ecological study.