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Diatom Response To Different Hydrologic Sources In Alpine Streams: A Teton Range Case Study, Shannon Weld
Diatom Response To Different Hydrologic Sources In Alpine Streams: A Teton Range Case Study, Shannon Weld
Water Resources Professional Project Reports
Alpine stream diversity is due in part to different hydrological sources including snowpack, surface glaciers, and rock glaciers; climate change threatens to homogenize these sources. Surprisingly little is understood about algal communities in these stream types. We characterized algal communities and water chemistry among ten alpine streams from these sources in the Teton Range, Wyoming, USA. Late summer sampling (2019-2021) included diatoms, anions, cations, and water quality parameters. Data were analyzed using one- and two-way analysis of variance, principal component analysis, and nonmetric multidimensional scaling. There were statistically significant differences among some or all hydrologic sources for temperature, dissolved oxygen, …