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2 <br />2000 <br />Missouri/Yellowstone Rivers <br />200 <br />2 <br />2000 <br />Missouri/Yellowstone Rivers <br />480 <br />3 <br />2000 <br />Missouri River <br />400 <br />TOTAL <br />13,126 <br />Refer to the Effects Section for abundance of shallow water habitat within the channelized section of the <br />Missouri River. <br />Distribution and Abundance of Habitat in the Action Area - The distribution, abundance and <br />quality of habitat have been severely altered throughout the action area. As mentioned in the Range <br />Wide Distribution and Abundance of Habitat Section for the pallid sturgeon, suitable habitat for the <br />pallid sturgeon has been inundated by reservoirs, modified by dam operations and the amount of <br />riverine habitat has been reduced through stabilization of the bankline and reduction of the top width. <br />The remaining fragments of riverine habitats within the Missouri River Basin are: <br />Missouri River above Fort Peck Lake (outside action area) <br />Segment 2 - Fort Peck Dam to Lake Sakakawea Headwaters (includes Yellowstone River) <br />Segment 4 - Garrison Dam to Lake Oahe Headwaters <br />Segment 8 - Fort Randall Dam to Niobrara River <br />Segments 10 - 15 - Gavins Point Dam to mouth of the Missouri River <br />Segment 16 - Kansas River <br />Productivity and Recovery Objective in the Action Area -The short-term recovery objective for <br />the pallid sturgeon is to prevent species extinction with the use of artificial propagation and population <br />augmentation. The long -term objective is to downlist and delist the species through protection, habitat��k"` <br />restoration, and propagation activities by the year 2040. Downlisting and delisting will be initiated when(o r <br />pallid sturgeon are reproducing naturally, juveniles are recruiting into the population, and populations <br />are self - sustaining within designated river reaches. Under the current preliminary criteria, downlisting Gvr� lGc <br />may be considered when (1) a population structure with at least 10 percent sexually mature females <br />occurring within each recovery - priority management area has been achieved, and when (2) sufficient <br />population numbers are present to maintain stability. Those criteria will be further quantified as <br />additional information becomes available and may be modified or expanded in the future. <br />Recovery objectives, as described in the Recovery Plan for the pallid sturgeon, will not be achieved <br />without restoring the ecosystem functions of the Missouri and Mississippi Rivers associated with the W� ` <br />natural hydrograph and temperature regime, sediment (suspended and bedload) transport, and energy 4 c <br />cycling. The Missouri River and it's tributaries that are used by pallid sturgeon represent 66 percent <br />2,317 mi (3732 km) of the total range of the pallid sturgeon (Keenlyne 1989). More than half of the W1 " 0 <br />2,317 mi (3,732 km) has been impounded by 6 hydroelectric dams and most of the remaining habitat is <br />158 Env. Baseline -PS <br />