Doctor of Philosophy (PhD)
First Committee Member
Number of Pages
The purpose of this study was to examine and identify the factors that have influenced changes in phytoplankton and zooplankton assemblages during the initial thirteen years of ecological development of Lake Las Vegas, Clark County, Nevada. Univariate and multivariate statistical methods were used to determine the level of influence lake water chemistry, lake physical characteristics and planktonic groups will have on overall plankton community dynamics. Water quality and plankton population data have been collected since 1991 when the lake began filling through the period of study ending December, 2003; Results indicate the zooplankton biomass was most influenced by conductance, total dissolved solids, water temperature, chlorophyll alpha and pH. Phytoplankton biomass was most related to TN, nitrogen: P ratio, total dissolved solids, conductivity and water temperature. During the first thirteen years external influences have caused the reservoir plankton populations to change annually due to random disturbances.
Desert; Factors; Influencing; Lake; Made; Man; Man-made Lake; Plankton; Populations; Plankton
University of Nevada, Las Vegas
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Weber, Steven, "Influencing factors on plankton populations in a desert man -made lake" (2006). UNLV Retrospective Theses & Dissertations. 2710.
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