Physico-Chemical Consequences of Water-Level Decreases in Wetlands

作者: Mélissa De Wilde , Sara Puijalon , Felix Vallier , Gudrun Bornette

DOI: 10.1007/S13157-015-0658-Y

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摘要: Due to global change, many wetlands experience water level decreases and changes in their hydrological functioning, modifying physico-chemical characteristics. Riverine are particularly complex within this framework because they supplied by different sources. This study assessed how long-term riverine relate characteristics (temperature, oxygen, pH, conductivity nutrient contents: nitrate, ammonium phosphate). We hypothesized that 1) have no effect on contents of the high renewal groundwater supplies, which may leach nutrients released from sediment after dewatering phase, 2) would become increasingly similar those hillslope due increase supplies wetlands. compared surface nine with contrasting between 1993 2011. No occurred. However, depending wetland considered, suggested either increased connectivity groundwater, a lower rate or 3) river potentially related lateral migration toward

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