Section, Pub. L. 89–304, § 7, as added Pub. L. 96–118, § 4, Nov. 16, 1979, 93 Stat. 859; amended Pub. L. 97–453, § 14(b)(3), Jan. 12, 1983, 96 Stat. 2492; Pub. L. 98–613, § 10(a), Oct. 31, 1984, 98 Stat. 3190; Pub. L. 99–432, § 6, Oct. 1, 1986, 100 Stat. 990; Pub. L. 100–589, § 3, Nov. 3, 1988, 102 Stat. 2984; Pub. L. 102–130, § 3, Oct. 17, 1991, 105 Stat. 626, related to striped bass population studies.