Nothing in this chapter shall be construed as affecting
(1) the authority, jurisdiction, or responsibility of the States to manage, control, or regulate fish and resident wildlife under State law;
(2) any requirement under State law that lands, waters, and interests therein may only be acquired for conservation purposes if the owner thereof is a willing seller; and
(3) the authority of the Secretary of Agriculture under the Act of March 2, 1931 (46 Stat. 1468–1469,
7 U.S.C.
426–426b).