James, Cassandra, Fisher, Jane, Russell, Victoria, Collings, Sally, and Moss, Brian (2005) Nitrate availability and hydrophyte species richness in shallow lakes. Freshwater Biology, 50 (6). pp. 1049-1063.

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Abstract

1. Submerged plant richness is a key element in determining the ecological quality of freshwater systems; it has often been reduced or completely lost.

2. The submerged and floating-leaved macrophyte communities of 60 shallow lakes in Poland and the U.K. have been surveyed and species richness related to environmental factors by general linearised models.

3. Nitrogen, and more specifically winter nitrate, concentrations were most important in explaining species richness with which they were inversely correlated. Phosphorus was subsidiary. Such an inverse relationship is consistent with findings in terrestrial communities. Polish lakes, with less intensively farmed catchments, had greater richness than the U.K. lakes.

4. The richest U.K. communities were associated with winter nitrate-N concentrations of up to about 1–2 mg L)1 and may correspond with ‘good’ ecological quality under the terms of the European Water Framework Directive. Current concentrations in European lowlands are often much highe

Item ID:	85395
Item Type:	Article (Research - C1)
ISSN:	1365-2427
Copyright Information:	© 2005 Blackwell Publishing Ltd.
Date Deposited:	08 May 2025 00:11
FoR Codes:	41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410401 Conservation and biodiversity @ 50% 41 ENVIRONMENTAL SCIENCES > 4105 Pollution and contamination > 410504 Surface water quality processes and contaminated sediment assessment @ 50%
SEO Codes:	18 ENVIRONMENTAL MANAGEMENT > 1803 Fresh, ground and surface water systems and management > 180303 Fresh, ground and surface water biodiversity @ 100%
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