Impacts of agricultural drainwater and contaminants on wetlands at Kesterson Reservoir, California / Carol A. Schuler.
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TextPublication details: Corvallis, OR : Oregon State University, 1987.Description: 136 leaves : ill. ; 28 cmOnline resources: Abstract: Kesterson Reservoir (Kesterson) received subsurface agricultural drainwater containing high levels of salts and other minerals from farmland in the San Joaquin Valley of California. Aquatic plants and invertebrates were sampled at Kesterson in May, August, and December of 1984. The reservoir supported a different biota and lower species diversity than a nearby control site (Volta WMA). Kesterson had a greater plant and seed biomass while Volta had a greater invertebrate abundance. Submergent habitat at Kesterson was dominated by widgeongrass (Ruppia maritima) whilte Volta was dominated by horned pondweed (Zannichellia palustris). Several aquatic invertebrates, including Amphipoda, Eylais, Gastropoda, Neomysis, Hirundinea, and Belostomatidae were common at Volta but were never observed at Kesterson. Kesterson supported a greater abundance of diatoms (Nitzschia), Oligochaeta,Ephydridae, Stratiomyidae, Tabanidae, and Syrphidae while these were rarely encountered at Volta. Community stru
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Electronic Report
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Electronic Library | Non-fiction | SCH (Browse shelf(Opens below)) | Available | 1580 |
Thesis(M.S.)--Oregon State University, 1987.
Kesterson Reservoir (Kesterson) received subsurface agricultural drainwater containing high levels of salts and other minerals from farmland in the San Joaquin Valley of California. Aquatic plants and invertebrates were sampled at Kesterson in May, August, and December of 1984. The reservoir supported a different biota and lower species diversity than a nearby control site (Volta WMA). Kesterson had a greater plant and seed biomass while Volta had a greater invertebrate abundance. Submergent habitat at Kesterson was dominated by widgeongrass (Ruppia maritima) whilte Volta was dominated by horned pondweed (Zannichellia palustris). Several aquatic invertebrates, including Amphipoda, Eylais, Gastropoda, Neomysis, Hirundinea, and Belostomatidae were common at Volta but were never observed at Kesterson. Kesterson supported a greater abundance of diatoms (Nitzschia), Oligochaeta,Ephydridae, Stratiomyidae, Tabanidae, and Syrphidae while these were rarely encountered at Volta. Community stru