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Ecological Evaluation Index continuous formula (EEI-c) application: a step forward for functional groups, the formula and reference condition values.

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dc.contributor.author Orfanidis, S. en
dc.contributor.author Panayotidis, P. en
dc.contributor.author Ugland, K.I. en
dc.date.accessioned 2016-03-28T10:19:00Z
dc.date.issued 2016-03-28
dc.identifier.uri http://hdl.handle.net/123456789/673
dc.rights Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject Ecological Evaluation Index continuous formula (EEI-c) en
dc.subject Strengths-Weaknesses of EEI methodology en
dc.subject European Water Framework Directive en
dc.title Ecological Evaluation Index continuous formula (EEI-c) application: a step forward for functional groups, the formula and reference condition values. en
heal.type journalArticle
heal.keywordURI **N/A**-Ecological Evaluation Index continuous formula (EEI-c)
heal.keywordURI **N/A**-Strengths-Weaknesses of EEI methodology
heal.keywordURI **N/A**-European Water Framework Directive
heal.identifier.secondary DOI: 10.12681/mms.60
heal.dateAvailable 2016-03-28T10:24:00Z
heal.language en
heal.access free
heal.recordProvider National Agricultural Research Foundation, Fisheries Research Institute, Nea Peramos, Kavala, Hellas. en
heal.recordProvider National Center of Marine Research, Anavyssos, Hellas. en
heal.recordProvider Marine Biology Research Group, Department of Biology, University of Oslo, Norway. en
heal.publicationDate 2011-06
heal.bibliographicCitation Orfanidis S., Panayotidis P., Ugland K.I., (2011). Ecological Evaluation Index continuous formula (EEI-c) application: a step forward for functional groups, the formula and reference condition values. Mediterranean Marine Science. vol. 12/1, 2011, 199-231. en
heal.abstract The Ecological Evaluation Index continuous formula (EEI-c) was designed to estimate the habitat-based ecological status of rocky coastal and sedimentary transitional waters using shallow benthic macrophyte communities as bioindicators. This study aimed to remedy the weaknesses of the currently used EEI methodology in: (1) ecological status groups (ESG), (2) the formula, and (3) reference condition values. A cluster analysis of twelve species traits was used to delineate ESGs. Two main clusters (ESG I, late-successional; ESG II, opportunistic) were identified that were hierarchically divided into three and two sub-clusters, respectively: ESG I comprised thick perennial (IA), thick plastic (IB) and shade-adapted plastic (IC) coastal water species, and angiosperm plastic (IA), thick plastic (IB) and shade-adapted plastic (IC) transitional water species. ESG II comprised fleshy opportunistic (IIB) and filamentous sheet-like opportunistic (IIA) species both in coastal and transitional waters. To avoid discrete jumps at the boundaries between predefined ecological categories, a hyper- bolic model that approximates the index values and expresses the ecosystem status in continuous numbers was developed. Seventy-four quantitative and destructive samples of the upper infralittoral Cystoseira crinita and coastal lagoon Ruppia cirrhosa communities from tentative pristine to less impacted sites in Greece verified 10 as an ‘ideal’ EEI-c reference condition value. en
heal.publisher Hellenic Centre for Marine Research en
heal.journalName Mediterranean Marine Science en
heal.journalType peer-reviewed
heal.fullTextAvailability true
heal.coverage.spatial Mediterranean Sea el


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Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες Except where otherwise noted, this item's license is described as Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες

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