Relation of Missouri river flows to sandbar morphology with implications for selected biota

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Relation of Missouri river flows to sandbar morphology with implications for selected biota

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/6253

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dc.contributor.advisor Galat, David L. en
dc.contributor.author Tracy-Smith, Emily en_US
dc.coverage.spatial Missouri River
dc.date.accessioned 2010-03-02T19:52:41Z
dc.date.available 2010-03-02T19:52:41Z
dc.date.issued 2006 en_US
dc.date.submitted 2006 Summer en
dc.identifier.other TracyE-072806-T5524 en_US
dc.identifier.uri http://hdl.handle.net/10355/6253
dc.description The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. en_US
dc.description Title from title screen of research.pdf file viewed on (June 27, 2007) en_US
dc.description Includes bibliographical references. en_US
dc.description Thesis (M.S.) University of Missouri-Columbia 2006. en_US
dc.description Dissertations, Academic -- University of Missouri--Columbia -- Fisheries and wildlife. en_US
dc.description.abstract Channel modification and flow regulation in historically braided large rivers, have reduced sandbars and associated highly productive habitats for riverine biota. Sandbars are an important interface between aquatic and terrestrial environments, i.e. an aquatic-terrestrial zone (ATTZ), within the main channel of the lower Missouri River. Predictive models of sandbar morphometry (area, wetted perimeter, elevation, and water-surface slope) were developed to determine how changes in discharge affect the quantity of submergent-sandbar ATTZ (depth) and emergent-sandbar ATTZ (elevation) for point and wing-dike sandbars within a segment of the lower Missouri River. Point sandbars were as much as 22 times greater in mean area than wing-dike sandbars for submergent and emergent ATTZ, whereas wing-dike sandbars were more abundant, composing 85% of all sandbars in the Grand River to Osage River segment of the lower Missouri River. Reduced summer flows associated with alternatives GP1528 and GP2021 increased available wetted perimeter in July and August for post breeding wading birds and during the beginning of autumn shorebird migration while also creating more emergent sandbar habitat during softshell turtle nesting. Flows under the current flow regime and selected management alternatives provided greater area of submergent-sandbar ATTZ during the initial months of age-0 riverine fish nursery than historical flow conditions under ROR. en_US
dc.language.iso en_US en_US
dc.publisher University of Missouri--Columbia en_US
dc.subject.lcsh Sand bars en_US
dc.subject.lcsh Bars (Geomorphology) en_US
dc.subject.lcsh Land-water ecotones en_US
dc.subject.lcsh Braided rivers en_US
dc.subject.lcsh Soft-shelled turtles -- Habitat en_US
dc.subject.lcsh Shore birds -- Migration en_US
dc.title Relation of Missouri river flows to sandbar morphology with implications for selected biota en_US
dc.type Thesis en_US
thesis.degree.discipline Fisheries and wildlife sciences en_US
thesis.degree.grantor University of Missouri--Columbia en_US
thesis.degree.name M.S. en_US
thesis.degree.level Masters en_US
dc.identifier.merlin .b58880367 en_US
dc.identifier.oclc 145745084 en_US
dc.relation.ispartofcommunity University of Missouri-Columbia. Graduate School. Theses and Dissertations. Theses. 2006 Theses
dc.relation.ispartofcollection 2006 Freely available theses (MU)


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