Demersal fish biodiversity: species-level indicators and trends-based targets for the Marine Strategy Framework Directive.
The maintenance of biodiversity is a fundamental theme of the Marine Strategy Framework Directive. Appropriate indicators to monitor change in biodiversity, along with associated targets representing “good environmental status”, are required to be in place by July 2012. A method for selecting species-specific metrics to fulfil various specified indicator roles is proposed for demersal fish communities. Available data frequently do not extend far enough back in time to allow GES to be defined empirically. In such situations, trends-based targets offer a pragmatic solution. A method is proposed for setting indicator-level targets for the number of species-specific metrics required to meet their trends-based metric-level targets.
GREENSTREET Simon P. R.;
ROSSBERG Axel G.;
FOX Clive J.;
LE QUESNE Will;
BLASDALE Tom;
BOULCOTT Philip;
MITCHELL Ian;
MILLAR Colin Pearson;
MOFFAT Colin;
2012-12-05
OXFORD UNIV PRESS
JRC69857
1054-3139,
http://icesjms.oxfordjournals.org/content/69/10/1789,
https://publications.jrc.ec.europa.eu/repository/handle/JRC69857,
10.1093/icesjms/fss148,
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