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<br />ENVIRONMENTAL CHARACTERISTICS . . . . . <br />Habitat Types . . . . . . . . . . . . <br />Wildlife Resources ......... <br />State and Federal Wildlife Areas <br />Threatened and Endangered Species <br />Fishery Resources ......... <br />Threatened and Endangered Species <br /> <br />CHAPTER III - HISTORICAL REVIEW OF PLATTE RIVER HYDROLOGY <br />DEVELOPMENT OF IRRIGATION IN THE PLATTE RIVER BASIN <br />South Platte River and Tributaries <br />NOrth Platte River and Tributaries <br />Platte River Valley. . . . . <br />General Water Laws ..... <br />EFFECTS OF WATER DEVELOPMENT ON HYDROLOGY <br />Presettlement Hydrology. <br />Floods ....... <br />Low Flows . . . . . . <br />Postsettlement Hydrology <br />Surface Water . . . . <br />Ground Water .. . . . . . . . . . . . <br />EFFECTS OF CHANGES IN HYDROLOGY ON THE CHANNEL .... <br />Presettlement Channel and Valley-Floor Characteristics <br />Channel Width . . . . . . <br />Channel Depth . . . . .. . . . <br />Bed Materi al and Bedforms . . . <br />I s lands . . . . . . . . . . . . <br />Vegetation ...... . . . . <br />Changes in Platte River Morphology <br />Processes of Width Reduction <br /> <br />. <br /> <br />CHAPTER IV - MIGRATORY BIRD HABITAT NEEDS <br />HABITAT REQUIREMENTS FOR SANDHILL. CRANES <br />STAGING AREAS OF SANDHILL CRANES <br />HABITAT REQUIREMENTS OF OTHER SPECIES <br />MIGRATORY BIRD HABITAT RELATIONSHIPS <br />Sandhill Cranes. . . . . . . <br />Whooping Cranes . . . . . . .. <br />Waterfowl . . . . . . . . . . <br />PROJECTED CONDITIONS AND NEEDS <br />Man-made Ponds <br />Natural Wetlands .. <br />Rivers and Environs . <br />Niobrara River <br />Loup Rivers . . . <br />Little Blue River <br />Republican River <br />Reservoirs. ... <br />CHANNEL MAINTENANCE HYDROLOGY <br /> <br />ii <br /> <br /> Page <br /> 27 <br /> 27 <br /> 30 <br /> 31 <br /> 32 <br /> 32 <br /> 35 <br /> 37 <br /> 37 <br /> 37 <br /> 39. . <br /> 43 <br /> 44 <br /> 45 <br /> 45 <br /> 45 <br /> 46 <br /> 46 <br /> 46 <br /> 47 <br /> 50 <br /> 50 <br />. 50 <br /> 50 <br />.. 51 <br /> 51 <br /> 51 <br /> 52 <br /> 54. <br /> 55 <br /> 55 <br /> 56. <br /> 56 <br /> 59 <br /> 59 <br /> 60 <br /> 62 <br /> 62 <br /> 63 <br /> 63 <br /> 63 <br /> 63 <br /> 63 <br /> 63 <br /> 64 <br /> 64 <br /> 64 <br /> <br />r.~.;'Z'?t.;~;.-:~.~~f?~':~~!~_:?':-< .:~,:\.- .-_.-~~7~.:::;:'~>':"""';:'~::~:'~$-~~~;.~,P.A~:>ol~~--"'::'"-:~~~:-h~"- <br />