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Water chemistry can vary spatially and temporally within a riverscape (i.e., reservoir, rivers, and tributaries) due to different surficial geologies, groundwater influences, surrounding land use, habitat type (i.e., reservoir or river), and water residence time. Microelemental signatures may be absorbed by calcified structures of fish and have been used to describe their environmental history. The...
Conversion of grassland to cropland has been linked to many complex environmental challenges in natural resource systems. South Dakota is a mosaic of grasslands, wetlands, and cropland that has experienced tremendous land use change over the past 10 years and is expected to continue for the next 50 years. The rate of future conversion may vary greatly depending on economic, policy, and social factors...
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