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vol. 1, nr. 3 (2003)
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Organic matter in a lowland river of strongly modified discharge. 1. Seasonal dynamics of benthic and transported organic matter in diverse habitats - response of the benthofauna
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Małgorzata Dukowska, Maria Grzybkowska, Eliza Szczerkowska, Mariusz Tszydel
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Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of Łódź, Banacha str. 12/16, 90-237 Łódź, Poland |
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vol. 1 (2003), nr. 3,
pp. 403-416
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abstract:
In a fourth order stream section of a lowland river with a strongly modified hydrologic regime (summarizing effect of impoundment and short term daily but abrupt releases of water) resembling the fluctuations of rivers below storage electricity plants, the seasonal and spatial dynamics of the benthic (BPOM) and transported (TPOM) particulate organic matter over the annual cycle was analysed. This hydrologic regime produced a mosaic of patches with different stabilities on the river bed below the dam, which was reflected in the spatial and seasonal dynamics of the benthofauna and in the composition of organisms in the drift.
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keywords:
river, disturbances, particulate organic matter, macroinvertebrates
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original in:
English
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