Estimation of Environmental Flows in Semi-Natural Lowland Rivers - the Narew Basin Case Study

被引：0

作者：

Piniewski, Mikolaj ^{[1
]}

Acreman, Michael C. ^{[2
]}

Stratford, Charles J. ^{[2
]}

Okruszko, Tomasz ^{[1
]}

Gielczewski, Marek ^{[1
]}

Teodorowicz, Mariusz ^{[3
]}

Rycharski, Marek ^{[4
]}

Oswiecimska-Piasko, Zuzanna ^{[4
]}

机构：

[1] Warsaw Univ Life Sci, Dept Hydraul Engn, PL-02787 Warsaw, Poland

[2] Crowmarsh Gifford, Ctr Ecol & Hydrol, Wallingford OX10 8BB, Oxon, England

[3] Univ Warmia & Mazury, Dept Environm Protect Engn, PL-10957 Olsztyn, Poland

[4] Insitute Technol & Life Sci, PL-05090 Falenty, Raszyn, Poland

来源：

POLISH JOURNAL OF ENVIRONMENTAL STUDIES | 2011年 / 20卷 / 05期

关键词：

environmental flows; Narew; building block method; fish; floodplain wetlands; WATER; REQUIREMENTS;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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.

引用

页码：1281 / 1293

页数：13

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