The monitoring and classification of standing waters in temperate regions - a discussion and proposal based on a worked scheme for British waters

B. Moss, Penny J Johnes, G. L. Phillips

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

This paper reviews the ways that quality can be assessed in standing waters, a subject that has hitherto attracted little attention but which is now a legal requirement
in Europe. It describes a scheme for the assessment and monitoring of water and ecological quality in standing waters greater than about I ha in area in England & Wales
although it is generally relevant to North-west Europe. Thirteen hydrological, chemical and biological variables are used to characterise the standing water body in any current
sampling. These are lake volume, maximum depth, onductivity, Secchi disc transparency, pH, total alkalinity, calcium ion concentration, total N concentration,winter total oxidised inorganic nitrogen (effectively nitrate) concentration, total P concentration, potential maximum chlorophyll a concentration, a score based on the nature of the submerged and emergent plant community, and the presence or absence of a fish community. Inter alia these variables are key indicators of the state of eutrophication, acidification, salinisation and infilling of a water body.
Original languageEnglish
Pages (from-to)310-339
JournalBiological Reviews
Volume71
Issue number2
Publication statusPublished - 1996

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