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Distribution and environmental requirements of stream habitat with Ranunculion fluitantis and Callitricho-Batrachion vegetation in lower Belgium (Flanders)

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@article{c24e5d1f415243fa8371d114ed403925,
title = "Distribution and environmental requirements of stream habitat with Ranunculion fluitantis and Callitricho-Batrachion vegetation in lower Belgium (Flanders)",
abstract = "1. Streams with Ranunculion fluitantis and Callitricho-Batrachion vegetation – or habitat type 3260 according tothe European Habitats Directive – require particular conservation at biogeographic level but Member States carryindividual responsibility. Within this framework, the environmental requirements of this habitat type in lowerBelgium (Flanders) were analysed.2. Overall, current vegetation composition was not significantly related to adjacent land-use but correlatedmainly with physical–chemical conditions and to a lesser extent with distance to source and channel width.Even though sites with habitat 3260 generally showed lower levels of human impact, their abiotic featuresoverlapped considerably with those of sites without habitat 3260 but still showing hydrophyte development.3. Thresholds occurred in the distribution of responsive macrophyte taxa, including the more commoncharacteristic species of the habitat type, along gradients of increasing solutes and nutrients. Comparison withwater quality standards proposed so far to support good ecological status for the European Water FrameworkDirective in lowland rivers suggests that compliance would probably allow this habitat to persist in most cases,although some discrepancies occur. This implies that more stringent objectives may be required in some water bodies.4. The present analysis focuses on the conditions delimiting occurrence of HT 3260, and therefore its range andarea in lower Belgium. A comprehensive understanding of its favourable conservation status remains difficult inlowland regions where most rivers are subject to strong human impact and will require a more long-termperspective that also considers management regime, physical habitat structure and connectivity.",
author = "An Leyssen and Luc Denys and Anik Schneiders and Ans Mouton",
year = "2014",
doi = "10.1002/aqc.2438",
language = "English",
volume = "24",
pages = "601--622",
journal = "Aquatic Conservation: Marine and Freshwater Ecosystems",
issn = "1052-7613",
publisher = "John Wiley and Sons Ltd",

}

RIS

TY - JOUR

T1 - Distribution and environmental requirements of stream habitat with Ranunculion fluitantis and Callitricho-Batrachion vegetation in lower Belgium (Flanders)

AU - Leyssen, An

AU - Denys, Luc

AU - Schneiders, Anik

AU - Mouton, Ans

PY - 2014

Y1 - 2014

N2 - 1. Streams with Ranunculion fluitantis and Callitricho-Batrachion vegetation – or habitat type 3260 according tothe European Habitats Directive – require particular conservation at biogeographic level but Member States carryindividual responsibility. Within this framework, the environmental requirements of this habitat type in lowerBelgium (Flanders) were analysed.2. Overall, current vegetation composition was not significantly related to adjacent land-use but correlatedmainly with physical–chemical conditions and to a lesser extent with distance to source and channel width.Even though sites with habitat 3260 generally showed lower levels of human impact, their abiotic featuresoverlapped considerably with those of sites without habitat 3260 but still showing hydrophyte development.3. Thresholds occurred in the distribution of responsive macrophyte taxa, including the more commoncharacteristic species of the habitat type, along gradients of increasing solutes and nutrients. Comparison withwater quality standards proposed so far to support good ecological status for the European Water FrameworkDirective in lowland rivers suggests that compliance would probably allow this habitat to persist in most cases,although some discrepancies occur. This implies that more stringent objectives may be required in some water bodies.4. The present analysis focuses on the conditions delimiting occurrence of HT 3260, and therefore its range andarea in lower Belgium. A comprehensive understanding of its favourable conservation status remains difficult inlowland regions where most rivers are subject to strong human impact and will require a more long-termperspective that also considers management regime, physical habitat structure and connectivity.

AB - 1. Streams with Ranunculion fluitantis and Callitricho-Batrachion vegetation – or habitat type 3260 according tothe European Habitats Directive – require particular conservation at biogeographic level but Member States carryindividual responsibility. Within this framework, the environmental requirements of this habitat type in lowerBelgium (Flanders) were analysed.2. Overall, current vegetation composition was not significantly related to adjacent land-use but correlatedmainly with physical–chemical conditions and to a lesser extent with distance to source and channel width.Even though sites with habitat 3260 generally showed lower levels of human impact, their abiotic featuresoverlapped considerably with those of sites without habitat 3260 but still showing hydrophyte development.3. Thresholds occurred in the distribution of responsive macrophyte taxa, including the more commoncharacteristic species of the habitat type, along gradients of increasing solutes and nutrients. Comparison withwater quality standards proposed so far to support good ecological status for the European Water FrameworkDirective in lowland rivers suggests that compliance would probably allow this habitat to persist in most cases,although some discrepancies occur. This implies that more stringent objectives may be required in some water bodies.4. The present analysis focuses on the conditions delimiting occurrence of HT 3260, and therefore its range andarea in lower Belgium. A comprehensive understanding of its favourable conservation status remains difficult inlowland regions where most rivers are subject to strong human impact and will require a more long-termperspective that also considers management regime, physical habitat structure and connectivity.

U2 - 10.1002/aqc.2438

DO - 10.1002/aqc.2438

M3 - A1: Web of Science-article

VL - 24

SP - 601

EP - 622

JO - Aquatic Conservation: Marine and Freshwater Ecosystems

JF - Aquatic Conservation: Marine and Freshwater Ecosystems

SN - 1052-7613

ER -

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