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Prairie pothole wetlands are subject to large year-to-year and decadal variability of precipitation, resulting in large variations in ponded area, plant communities and ecological functionality that obscure trends in wetland conditions caused by changes in climate and land use. Descriptions and analyses of these variations and trends require practical and objective definitions of pothole wetlands...
Wetland managers and policy makers need to make decisions based on a sound scientific understanding of hydrological and ecological functions of wetlands. This article presents an overview of the hydrology of prairie wetlands intended for managers, policy makers, and researchers new to this field (e.g., graduate students), and a quantitative conceptual framework for understanding the hydrological functions...
In the northern prairie region of North America, there are millions of small seasonal wetlands. The aquatic ecology of these wetlands is partly controlled by the salinity of the wetland pond water, which affects the vegetation and invertebrate communities. The objective of this study was to identify the key geochemical processes affecting water chemistry in prairie wetlands. We used the combined water...
Ephemeral or “vernal” pools occur commonly throughout the forest of the northeastern United States and adjacent eastern Canada. These pools are critical breeding habitat for a number of amphibian species and support a diverse invertebrate community. The hydroperiod or duration of surface water of vernal pools affects faunal composition and reproduction. We conducted bathymetric surveys of 34 vernal...
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