Trophic assessment in chinese coastal systems

Detalhes bibliográficos
Autor(a) principal: Xiao, Yongjin
Data de Publicação: 2007
Tipo de documento: Dissertação
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.1/257
Resumo: Dissertação mest., Gestão da Água e da Costa, Universidade do Algarve, 2007
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spelling Trophic assessment in chinese coastal systemsTesesEutrofizaçãoZonas costeirasNutrientesQualidade da águaChinaChinaDissertação mest., Gestão da Água e da Costa, Universidade do Algarve, 2007Coastal eutrophication, mainly defined as ―the enrichment of nutrient stimulating algal growth‖ in coastal water, has started to be one of the main threats to the Chinese coastal areas since last two decades. The huge amount of nutrient loads from the human activities has modified the natural background of water quality in estuaries, bays and other coastal zones. As a result of elevated eutrophic status, coastal systems are subject to a series of negative and undesirable consequences, such as fish-kills and interdiction of shellfish aquaculture. While much attention is focused on managing this issue, there is a need to assess the eutrophic level in coastal systems and to identify the extent of danger. In this thesis, a variety of traditional Chinese assessment methods are discussed and compared with western ways, such as OSPAR COMPP and ASSETS. Afterwards, ASSETS was chosen to carry out two case studies (Changjiang Estuary and Jiaozhou Bay) due to its solid theory and successful applications. As a process-based method, it set up a pressure-state-response model based on three main indices, i.e., Overall Human Influence, Overall Eutrophic Condition and Future outlook. In spite of the lack of enough data, the results from applying ASSETS to Changjiang Estuary and Jiaozhou Bay are ―Bad‖ and ―Low‖ respectively, while the traditional methods only obtain more ambiguous results. The comparisons of the rationalities behind the methodologies and the results suggest that ASSETS could be a more reasonable and applicable method to assess Chinese coastal systems.Ferreira, J.SapientiaXiao, Yongjin2011-09-07T16:04:16Z20072007-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfapplication/pdfhttp://hdl.handle.net/10400.1/257eng574.5 YON*Tro Caveinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-24T10:10:59Zoai:sapientia.ualg.pt:10400.1/257Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:54:38.683754Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Trophic assessment in chinese coastal systems
title Trophic assessment in chinese coastal systems
spellingShingle Trophic assessment in chinese coastal systems
Xiao, Yongjin
Teses
Eutrofização
Zonas costeiras
Nutrientes
Qualidade da água
China
China
title_short Trophic assessment in chinese coastal systems
title_full Trophic assessment in chinese coastal systems
title_fullStr Trophic assessment in chinese coastal systems
title_full_unstemmed Trophic assessment in chinese coastal systems
title_sort Trophic assessment in chinese coastal systems
author Xiao, Yongjin
author_facet Xiao, Yongjin
author_role author
dc.contributor.none.fl_str_mv Ferreira, J.
Sapientia
dc.contributor.author.fl_str_mv Xiao, Yongjin
dc.subject.por.fl_str_mv Teses
Eutrofização
Zonas costeiras
Nutrientes
Qualidade da água
China
China
topic Teses
Eutrofização
Zonas costeiras
Nutrientes
Qualidade da água
China
China
description Dissertação mest., Gestão da Água e da Costa, Universidade do Algarve, 2007
publishDate 2007
dc.date.none.fl_str_mv 2007
2007-01-01T00:00:00Z
2011-09-07T16:04:16Z
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url http://hdl.handle.net/10400.1/257
dc.language.iso.fl_str_mv eng
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