Abstract:
:The Quality of Rocky Bottoms index (CFR by its Spanish acronym) is a multimetric method used for the assessment of macroalgae communities in accordance to the European Water Framework Directive. In order to improve the precision and accuracy of the assessments, the index was adjusted using a continuous scoring system. The index was tested at 184 intertidal and 57 subtidal stations located in the Atlantic coasts of Spain, Portugal and France. The anthropogenic pressure level of the stations was estimated according to a semiquantitative scale based on the type of discharge, distance to the contaminant source and its magnitude. 70.5% of the stations were correctly assigned to their expected quality and only 5.8% were critically misclassified. The linear regression and weighted kappa analyses between the pressure levels and the CFR results showed highly significant correlations and very good agreement levels both at intertidal and subtidal areas.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Guinda X,Juanes JA,Puente Adoi
10.1016/j.marenvres.2014.06.002subject
Has Abstractpub_date
2014-12-01 00:00:00pages
3-10eissn
0141-1136issn
1879-0291pii
S0141-1136(14)00109-3journal_volume
102pub_type
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journal_title:Marine environmental research
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pub_type: 杂志文章,评审
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更新日期:2005-08-01 00:00:00
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