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Estimation of environmental flows in semi-natural lowland rivers - the Narew basin case study

Piniewski, Mikolaj; Acreman, Michael C.; Stratford, Charles J.; Okruszko, Tomasz; Gielczewski, Marek; Teodorowicz, Mariusz; Rycharski, Marek; Oswiecimska-Piasko, Zuzanna. 2011 Estimation of environmental flows in semi-natural lowland rivers - the Narew basin case study. Polish Journal of Environmental Studies, 20 (5). 1281-1293.

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Abstract/Summary

This paper discusses a new environmental flow method based on the adapted building block approach. A four-step procedure is outlined in this paper: (1) selecting biota of interest and organizing a team of specialists; (2) selecting river reaches of interest; (3) defining flow requirements of selected biota; (4) defining environmental flow indicators. The focus is placed on two elements of river and wetland ecosystems: fish and floodplain wetland vegetation. The method is applied to identify changes in the environmental flow indicators between 1976-83 (“past”) and 2001-08 (“present”) in 16 selected river reaches of the Narew basin, a large semi-natural lowland catchment situated in northeastern Poland. The results indicate that hydrological conditions for fish and floodplain wetland vegetation were significantly better in the past period compared to the present.

Item Type: Publication - Article
Programmes: CEH Topics & Objectives 2009 - 2012 > Water > WA Topic 2 - Ecohydrological Processes > WA - 2.3 - Assess the responses of river, lake and wetland ecosystems to ecohydrological drivers
CEH Sections: Acreman
ISSN: 1230-1485
Additional Information. Not used in RCUK Gateway to Research.: Click on the Official URL to access full text.
Additional Keywords: environmental flows, Narew, building block method, fish, floodplain wetlands
NORA Subject Terms: Ecology and Environment
Hydrology
Date made live: 20 Oct 2011 09:41
URI: http://nora.nerc.ac.uk/id/eprint/14704

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