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Terrestrial and Aquatic Ecology
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
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Discovery And Delimitation: Criconematid Nematodes Of North American Grasslands, Magdalena Jean Olson
Discovery And Delimitation: Criconematid Nematodes Of North American Grasslands, Magdalena Jean Olson
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Approximately 200 years ago, North American landscapes were dominated by vast expanses of grassland. The Great Plains, an ecologically complex and diverse ecoregion, extended from Canada to the Gulf of Mexico, and from the Rocky Mountains to the border of the eastern hardwood forest in Indiana. Now the original tallgrass prairie exists in small widely dispersed remnant patches surrounded by agroecosystems. This study is an effort to characterize soil nematode diversity and population structure within those remnant patches. The plant parasitic nematode family Criconematidae serves as our indicator for nematode diversity, due to its global distribution, high abundance in natural …