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.
authority: Sec. 2, 33 Stat. 614, as amended, sec. 5, 43 Stat. 651, secs. 5, 10, 45 Stat. 449, 1224, secs. 4, 2, 48 Stat. 402, as amended, 451, as amended, 1270, sec. 4, 76 Stat. 654;
5 U.S.C. 301,
16.S.C. 685, 725, 690d, 715i, 664, 718(b),
43 U.S.C. 315a,
16.S.C. 460k; sec. 2, 80 Stat. 926;
16 U.S.C. 668bb.
source: 31 FR 16027, Dec. 15, 1966, unless otherwise noted.
cite as: 50 CFR 31.1