Hierarchical clusters of phytoplankton variables in dammed water bodies
In this paper a dataset containing biological variables of the water column of several Portuguese reservoirs is analyzed. Hierarchical cluster analysis is used to obtain clusters of phytoplankton variables of the phylum Cyanophyta, with the objective of validating the classification of Portuguese re...
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| creator | Silva, Eliana Costa e Lopes, Isabel Cristina Correia, Aldina Gonçalves, A. Manuela |
| description | In this paper a dataset containing biological variables of the water column of several Portuguese reservoirs is analyzed. Hierarchical cluster analysis is used to obtain clusters of phytoplankton variables of the phylum Cyanophyta, with the objective of validating the classification of Portuguese reservoirs previewly presented in [1] which were divided into three clusters: (1) Interior Tagus and Aguieira; (2) Douro; and (3) Other rivers. Now three new clusters of Cyanophyta variables were found. Kruskal-Wallis and Mann-Whitney tests are used to compare the now obtained Cyanophyta clusters and the previous Reservoirs clusters, in order to validate the classification of the water quality of reservoirs. The amount of Cyanophyta algae present in the reservoirs from the three clusters is significantly different, which validates the previous classification.
This work was supported by CIICESI – Center for Research and Innovation in Business Sciences and Information Systems, ESTG/P.Porto – School of Technology and Management, Polytechnic of Porto. |
| doi_str_mv | 10.1063/1.4981978 |
| format | Conference Proceeding |
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This work was supported by CIICESI – Center for Research and Innovation in Business Sciences and Information Systems, ESTG/P.Porto – School of Technology and Management, Polytechnic of Porto.</description><identifier>ISSN: 0094-243X</identifier><identifier>ISBN: 0735415064</identifier><identifier>ISBN: 9780735415065</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/1.4981978</identifier><identifier>CODEN: APCPCS</identifier><language>eng</language><publisher>Melville: AIP Publishing</publisher><subject>Ciências Naturais ; Classification ; Cluster analysis ; Matemáticas ; Phytoplankton ; Reservoirs ; Science & Technology ; Water quality</subject><ispartof>AIP Conference Proceedings, 2017, Vol.1836 (1), p.020038 -1-020038 -5</ispartof><rights>Author(s)</rights><rights>2017 Author(s). Published by AIP Publishing.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/acp/article-lookup/doi/10.1063/1.4981978$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,794,4512,23930,23931,25140,27924,27925,76384</link.rule.ids></links><search><contributor>Ntalianis, Klimis</contributor><creatorcontrib>Silva, Eliana Costa e</creatorcontrib><creatorcontrib>Lopes, Isabel Cristina</creatorcontrib><creatorcontrib>Correia, Aldina</creatorcontrib><creatorcontrib>Gonçalves, A. Manuela</creatorcontrib><title>Hierarchical clusters of phytoplankton variables in dammed water bodies</title><title>AIP Conference Proceedings</title><description>In this paper a dataset containing biological variables of the water column of several Portuguese reservoirs is analyzed. Hierarchical cluster analysis is used to obtain clusters of phytoplankton variables of the phylum Cyanophyta, with the objective of validating the classification of Portuguese reservoirs previewly presented in [1] which were divided into three clusters: (1) Interior Tagus and Aguieira; (2) Douro; and (3) Other rivers. Now three new clusters of Cyanophyta variables were found. Kruskal-Wallis and Mann-Whitney tests are used to compare the now obtained Cyanophyta clusters and the previous Reservoirs clusters, in order to validate the classification of the water quality of reservoirs. The amount of Cyanophyta algae present in the reservoirs from the three clusters is significantly different, which validates the previous classification.
This work was supported by CIICESI – Center for Research and Innovation in Business Sciences and Information Systems, ESTG/P.Porto – School of Technology and Management, Polytechnic of Porto.</description><subject>Ciências Naturais</subject><subject>Classification</subject><subject>Cluster analysis</subject><subject>Matemáticas</subject><subject>Phytoplankton</subject><subject>Reservoirs</subject><subject>Science & Technology</subject><subject>Water quality</subject><issn>0094-243X</issn><issn>1551-7616</issn><isbn>0735415064</isbn><isbn>9780735415065</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2017</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp90EtLxDAUBeDgAxzHWfgPAu6Eam5ebZYiOgqCGwV34TYPjHbamnRG_PeOjODO1dl85144hJwCuwCmxSVcSNOAqZs9MgOloKo16H1yzGqhJCim5QGZMWZkxaV4OSKLUlLLeKNEzTSbkeVdChmze00OO-q6dZlCLnSIdHz9moaxw_59Gnq6wZyw7UKhqaceV6vg6SduLW0Hn0I5IYcRuxIWvzknz7c3T9d31cPj8v766qEaBYipilK5KE2IQQqDTZReyTZqZwRqw7hRphHYCKcRZAxeK-m8akH52gceUYk5OdvdHfPwsQ5lsm_DOvfbl5YDaIBGcr5V5ztVXJpwSkNvx5xWmL_sZsgW7O9odvTxPwzM_qz8V9hiusPZIY42h00qExYLDedWMZBKfAO6BndE</recordid><startdate>20170605</startdate><enddate>20170605</enddate><creator>Silva, Eliana Costa e</creator><creator>Lopes, Isabel Cristina</creator><creator>Correia, Aldina</creator><creator>Gonçalves, A. Manuela</creator><general>AIP Publishing</general><general>American Institute of Physics</general><scope>RCLKO</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20170605</creationdate><title>Hierarchical clusters of phytoplankton variables in dammed water bodies</title><author>Silva, Eliana Costa e ; Lopes, Isabel Cristina ; Correia, Aldina ; Gonçalves, A. Manuela</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p313t-f45cf49efe439a8f4d54bf6c93a690295983a83c6a14fed654cd5b15d7de2fa53</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Ciências Naturais</topic><topic>Classification</topic><topic>Cluster analysis</topic><topic>Matemáticas</topic><topic>Phytoplankton</topic><topic>Reservoirs</topic><topic>Science & Technology</topic><topic>Water quality</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Silva, Eliana Costa e</creatorcontrib><creatorcontrib>Lopes, Isabel Cristina</creatorcontrib><creatorcontrib>Correia, Aldina</creatorcontrib><creatorcontrib>Gonçalves, A. Manuela</creatorcontrib><collection>RCAAP open access repository</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Silva, Eliana Costa e</au><au>Lopes, Isabel Cristina</au><au>Correia, Aldina</au><au>Gonçalves, A. Manuela</au><au>Ntalianis, Klimis</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Hierarchical clusters of phytoplankton variables in dammed water bodies</atitle><btitle>AIP Conference Proceedings</btitle><date>2017-06-05</date><risdate>2017</risdate><volume>1836</volume><issue>1</issue><spage>020038 -1</spage><epage>020038 -5</epage><pages>020038 -1-020038 -5</pages><issn>0094-243X</issn><eissn>1551-7616</eissn><isbn>0735415064</isbn><isbn>9780735415065</isbn><coden>APCPCS</coden><abstract>In this paper a dataset containing biological variables of the water column of several Portuguese reservoirs is analyzed. Hierarchical cluster analysis is used to obtain clusters of phytoplankton variables of the phylum Cyanophyta, with the objective of validating the classification of Portuguese reservoirs previewly presented in [1] which were divided into three clusters: (1) Interior Tagus and Aguieira; (2) Douro; and (3) Other rivers. Now three new clusters of Cyanophyta variables were found. Kruskal-Wallis and Mann-Whitney tests are used to compare the now obtained Cyanophyta clusters and the previous Reservoirs clusters, in order to validate the classification of the water quality of reservoirs. The amount of Cyanophyta algae present in the reservoirs from the three clusters is significantly different, which validates the previous classification.
This work was supported by CIICESI – Center for Research and Innovation in Business Sciences and Information Systems, ESTG/P.Porto – School of Technology and Management, Polytechnic of Porto.</abstract><cop>Melville</cop><pub>AIP Publishing</pub><doi>10.1063/1.4981978</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | Ciências Naturais Classification Cluster analysis Matemáticas Phytoplankton Reservoirs Science & Technology Water quality |
| title | Hierarchical clusters of phytoplankton variables in dammed water bodies |
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