1991 North Platte Hydrology Study

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Reclamation, Fish and Wildlife Service, and National Oceanographic and Atmospheric Administration), and private entities (irrigation districts, city water departments, consulting firms, and environmental groups). r' he" ii�ta "known to' he available from the above sources. Additional data requirements for the daily water supply analysis are required. The definition of. travel times and river reach gains and- losses require river channel hydraulics for the river reaches between gaging stations. River channel hydraulic data are being collected for the Platte River Channel Morphology Study. Biologists and species experts have and are continuing to collect species habitat information. The baseline species use data is being collected on a continuous basis in order to develop and verify species habitat models. The data needs and data acquisition required by species to complete an evaluation include the following: 1. Whooping crane. a. Roosting - IFIM modeling (habitat suitability curve update and verification). b. Feeding - Wet meadow hydrology data collection and invertebrate inventory. 2. Least tern and piping plover. a. Nesting - Collect physical site data on used and unused nesting sites in the Lower and Central Platte. b. Feeding - Collect data on foraging habits and types of fish and invertebrates on which is being foraged. 3. Update and develop fisheries habitat analyses. a. Forage fish in Central Nebraska - Update IFIM model using best suitability curves and apply temperature modeling to determine fisheries requirements. b. Develop other fisheries and bald eagle habitat requirements on North Platte and South Platte drainages where needed to evaluate project operations. 4. Stream icing analysis for bald eagle winter feeding habitat. 5. Riparian habitat maintenance for summer nesting and wintering bald eagles. 9 22