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Title: Development of comprehensive river typology based on macrophytes in the mountain-lowland gradient of different Central European ecoregions
Authors: Jusik, Szymon
Szoszkiewicz, Krzysztof
Kupiec, Jerzy Mirosław
Lewin, Iga
Samecka-Cymerman, Aleksandra
Keywords: aquatic plants; river typology; reference condition; undisturbed conditions; Water Framework Directive
Issue Date: 2015
Citation: Hydrobiologia, Vol. 745, iss. 1 (2015), s. 241-262
Abstract: The aim of the study was to identify the vegetation pattern in the different types of watercourses basing on survey in reference conditions in a wide geographical gradient, including mountain, upland and lowland rivers. We tested relationship between composition of macrophytes to environmental variables including: altitude, slope, catchment area, geology of valley, land use, hydromorphological sfeatures, water physical and chemical measurements. Analysis based on 109 pristine river sites located throughout major types of rivers in Central Europe. Qualitative and quantitative plant surveys were carried out between 2005 and 2013. Based on TWINSPAN classification and DCA analysis, six macrophyte types were distinguished. The lowland sites were divided into the following three types: humic rivers and two types of siliceous rivers depending on the catchment area, including medium-large and small rivers. The mountain and upland rivers were divided into three geological types: siliceous, calcareous and gravel. We found that the variation of macrophyte communities was determined by several habitat factors (mainly altitude, flow type, riverbed granulometry, conductivity and alkalinity), whereas the spatial factor was rather limited; further, the plant diversity was not reflected accurately by the European ecoregion approach.
DOI: 10.1007/s10750-014-2111-2
ISSN: 0018-8158
Appears in Collections:Artykuły (WNP)

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