A revisitation of TRIX for trophic status assessment in the light of the European Water Framework Directive: Application to Italian coastal waters
The trophic status classification of coastal waters at the European scale requires the availability of harmonised indicators and procedures. The composite trophic status index (TRIX) provides useful metrics for the assessment of the trophic status of coastal waters. It was originally developed for I...
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| Veröffentlicht in: | Marine pollution bulletin 2007-09, Vol.54 (9), p.1413-1426 |
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| creator | Pettine, Maurizio Casentini, Barbara Fazi, Stefano Giovanardi, Franco Pagnotta, Romano |
| description | The trophic status classification of coastal waters at the European scale requires the availability of harmonised indicators and procedures. The composite trophic status index (TRIX) provides useful metrics for the assessment of the trophic status of coastal waters. It was originally developed for Italian coastal waters and then applied in many European seas (Adriatic, Tyrrhenian, Baltic, Black and Northern seas). The TRIX index does not fulfil the classification procedure suggested by the WFD for two reasons: (a) it is based on an absolute trophic scale without any normalization to type-specific reference conditions; (b) it makes an
ex ante aggregation of biological (Chl-
a) and physico-chemical (oxygen, nutrients) quality elements, instead of an
ex post integration of separate evaluations of biological and subsequent chemical quality elements.
A revisitation of the TRIX index in the light of the European Water Framework Directive (WFD, 2000/60/EC) and new TRIX derived tools are presented in this paper. A number of Italian coastal sites were grouped into different types based on a thorough analysis of their hydro-morphological conditions, and type-specific reference sites were selected. Unscaled TRIX values (UNTRIX) for reference and impacted sites have been calculated and two alternative UNTRIX-based classification procedures are discussed. The proposed procedures, to be validated on a broader scale, provide users with simple tools that give an integrated view of nutrient enrichment and its effects on algal biomass (Chl-
a) and on oxygen levels. This trophic evaluation along with phytoplankton indicator species and algal blooms contribute to the comprehensive assessment of phytoplankton, one of the biological quality elements in coastal waters. |
| doi_str_mv | 10.1016/j.marpolbul.2007.05.013 |
| format | Article |
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ex ante aggregation of biological (Chl-
a) and physico-chemical (oxygen, nutrients) quality elements, instead of an
ex post integration of separate evaluations of biological and subsequent chemical quality elements.
A revisitation of the TRIX index in the light of the European Water Framework Directive (WFD, 2000/60/EC) and new TRIX derived tools are presented in this paper. A number of Italian coastal sites were grouped into different types based on a thorough analysis of their hydro-morphological conditions, and type-specific reference sites were selected. Unscaled TRIX values (UNTRIX) for reference and impacted sites have been calculated and two alternative UNTRIX-based classification procedures are discussed. The proposed procedures, to be validated on a broader scale, provide users with simple tools that give an integrated view of nutrient enrichment and its effects on algal biomass (Chl-
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ex ante aggregation of biological (Chl-
a) and physico-chemical (oxygen, nutrients) quality elements, instead of an
ex post integration of separate evaluations of biological and subsequent chemical quality elements.
A revisitation of the TRIX index in the light of the European Water Framework Directive (WFD, 2000/60/EC) and new TRIX derived tools are presented in this paper. A number of Italian coastal sites were grouped into different types based on a thorough analysis of their hydro-morphological conditions, and type-specific reference sites were selected. Unscaled TRIX values (UNTRIX) for reference and impacted sites have been calculated and two alternative UNTRIX-based classification procedures are discussed. The proposed procedures, to be validated on a broader scale, provide users with simple tools that give an integrated view of nutrient enrichment and its effects on algal biomass (Chl-
a) and on oxygen levels. This trophic evaluation along with phytoplankton indicator species and algal blooms contribute to the comprehensive assessment of phytoplankton, one of the biological quality elements in coastal waters.</description><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Brackish</subject><subject>Chlorophyll - analysis</subject><subject>Conservation, protection and management of environment and wildlife</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Environmental Monitoring - methods</subject><subject>Europe</subject><subject>Eutrophication</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Government Regulation</subject><subject>Italy</subject><subject>Marine</subject><subject>Marine and brackish environment</subject><subject>Mediterranean coastal waters</subject><subject>Models, Theoretical</subject><subject>Nitrogen - analysis</subject><subject>Oxygen - analysis</subject><subject>Phosphorus - analysis</subject><subject>Phytoplankton</subject><subject>Seawater</subject><subject>TRIX index</subject><subject>Trophic status assessment</subject><subject>Water Framework Directive implementation</subject><subject>Water Pollution - legislation & jurisprudence</subject><subject>Water Pollution - prevention & control</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkcFu1DAURS0EotPCL4A3sEuw40kcsxuVtoxUCalqRXeWx3lmPDhxsJ2p-hv9YpzOiC5ZPVnv3HetexH6SElJCW2-7MpehdG7zeTKihBekroklL1CC9pyUTDWsNdoQUhVF6xq7k_QaYw7ksGK07fohPKGtk29XKCnFQ6wt9EmlawfsDf49mZ9j40POAU_bq3GMe-miFWMEGMPQ8J2wGkL2Nlf2zRL5sfFlHFQA_6pEgR8GVQPDz78xt9sAJ3sHr7i1Tg6qw9OyeN1Us5mhfYqezj8MCvjO_TGKBfh_XGeobvLi9vz78X1j6v1-eq60EtGUtFoA5xrs9kIMI3mWjNBDdNLmvfKKMY6I6CqCDeUtoaxGkTXdCCWQNpWd-wMfT7cHYP_M0FMsrdRg3NqAD9FSYUQlFOWQX4AdfAxBjByDDbn_ygpkXMdcif_1SHnOiSpJXlWfjhaTJseuhfdMf8MfDoCKmrlTFCDtvGFE6StGGkytzpwkAPZWwgyaguDhu45XNl5-9_P_AXwALEE</recordid><startdate>20070901</startdate><enddate>20070901</enddate><creator>Pettine, Maurizio</creator><creator>Casentini, Barbara</creator><creator>Fazi, Stefano</creator><creator>Giovanardi, Franco</creator><creator>Pagnotta, Romano</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TG</scope><scope>7TN</scope><scope>7TV</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>H97</scope><scope>KL.</scope><scope>L.G</scope><scope>M7N</scope></search><sort><creationdate>20070901</creationdate><title>A revisitation of TRIX for trophic status assessment in the light of the European Water Framework Directive: Application to Italian coastal waters</title><author>Pettine, Maurizio ; Casentini, Barbara ; Fazi, Stefano ; Giovanardi, Franco ; Pagnotta, Romano</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c430t-6cfe77cfbb9ef6c7cc391f3c41c43afa33df9e2207f118f335e9d6de94e088cd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>Biological and medical sciences</topic><topic>Brackish</topic><topic>Chlorophyll - analysis</topic><topic>Conservation, protection and management of environment and wildlife</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Environmental Monitoring - methods</topic><topic>Europe</topic><topic>Eutrophication</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Government Regulation</topic><topic>Italy</topic><topic>Marine</topic><topic>Marine and brackish environment</topic><topic>Mediterranean coastal waters</topic><topic>Models, Theoretical</topic><topic>Nitrogen - analysis</topic><topic>Oxygen - analysis</topic><topic>Phosphorus - analysis</topic><topic>Phytoplankton</topic><topic>Seawater</topic><topic>TRIX index</topic><topic>Trophic status assessment</topic><topic>Water Framework Directive implementation</topic><topic>Water Pollution - legislation & jurisprudence</topic><topic>Water Pollution - prevention & control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pettine, Maurizio</creatorcontrib><creatorcontrib>Casentini, Barbara</creatorcontrib><creatorcontrib>Fazi, Stefano</creatorcontrib><creatorcontrib>Giovanardi, Franco</creatorcontrib><creatorcontrib>Pagnotta, Romano</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pettine, Maurizio</au><au>Casentini, Barbara</au><au>Fazi, Stefano</au><au>Giovanardi, Franco</au><au>Pagnotta, Romano</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A revisitation of TRIX for trophic status assessment in the light of the European Water Framework Directive: Application to Italian coastal waters</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2007-09-01</date><risdate>2007</risdate><volume>54</volume><issue>9</issue><spage>1413</spage><epage>1426</epage><pages>1413-1426</pages><issn>0025-326X</issn><eissn>1879-3363</eissn><coden>MPNBAZ</coden><abstract>The trophic status classification of coastal waters at the European scale requires the availability of harmonised indicators and procedures. 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ex ante aggregation of biological (Chl-
a) and physico-chemical (oxygen, nutrients) quality elements, instead of an
ex post integration of separate evaluations of biological and subsequent chemical quality elements.
A revisitation of the TRIX index in the light of the European Water Framework Directive (WFD, 2000/60/EC) and new TRIX derived tools are presented in this paper. A number of Italian coastal sites were grouped into different types based on a thorough analysis of their hydro-morphological conditions, and type-specific reference sites were selected. Unscaled TRIX values (UNTRIX) for reference and impacted sites have been calculated and two alternative UNTRIX-based classification procedures are discussed. The proposed procedures, to be validated on a broader scale, provide users with simple tools that give an integrated view of nutrient enrichment and its effects on algal biomass (Chl-
a) and on oxygen levels. This trophic evaluation along with phytoplankton indicator species and algal blooms contribute to the comprehensive assessment of phytoplankton, one of the biological quality elements in coastal waters.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>17618654</pmid><doi>10.1016/j.marpolbul.2007.05.013</doi><tpages>14</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0025-326X |
| ispartof | Marine pollution bulletin, 2007-09, Vol.54 (9), p.1413-1426 |
| issn | 0025-326X 1879-3363 |
| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Animal, plant and microbial ecology Applied ecology Biological and medical sciences Brackish Chlorophyll - analysis Conservation, protection and management of environment and wildlife Ecotoxicology, biological effects of pollution Environmental Monitoring - methods Europe Eutrophication Fundamental and applied biological sciences. Psychology General aspects Government Regulation Italy Marine Marine and brackish environment Mediterranean coastal waters Models, Theoretical Nitrogen - analysis Oxygen - analysis Phosphorus - analysis Phytoplankton Seawater TRIX index Trophic status assessment Water Framework Directive implementation Water Pollution - legislation & jurisprudence Water Pollution - prevention & control |
| title | A revisitation of TRIX for trophic status assessment in the light of the European Water Framework Directive: Application to Italian coastal waters |
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