Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale

Detalhes bibliográficos
Autor(a) principal: Duarte, Gonçalo Filipe Fernandes
Data de Publicação: 2019
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.5/18329
Resumo: Doutoramento em Restauro e Gestão Fluviais - Instituto Superior de Agronomia / Faculdade de Arquitetura / Instituto Superior Técnico
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spelling Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scalefreshwater networkshistorical dataPHishRivTooldiadromous fishDoutoramento em Restauro e Gestão Fluviais - Instituto Superior de Agronomia / Faculdade de Arquitetura / Instituto Superior TécnicoThe decline of diadromous fish species has been occurring at least since the beginning of the 20th century. In this thesis, multiple European databases on the historical distribution of diadromous fish were consulted and, acknowledging the lack of data for Portugal, the first database of Portuguese historical data for freshwater fish was created. The existence of multiple databases with distinct geographical coverage and data at different spatial scales lead to the development of an historical data framework able to deal with the limitations of historical data. Its output is a reliable and geographically broad dataset of diadromous species occurrence at the beginning of the 20th century at three spatial scales: basin, sub-basin and segment. Also, a software was developed to facilitate the acquisition of environmental and riverscape variables that can be linked with the data at the three scales. Longitudinal connectivity impairment, climate change and land use alterations are some of the most significant threats to diadromous fish species. The influence of these threats was studied performing a spatial and temporal analysis of the longitudinal connectivity impairment by large dams and, modelling the distribution of diadromous fish at the beginning of the 20th century using climate and land use variables. The longitudinal connectivity impairment of the European freshwater networks became widespread in the second half of the 20th century, and is currently more impactful for populations from basins in southern Europe. The distribution of diadromous fish species is mainly affected by climate, though the effects of land use close to river mouths may be relevant since these are critical passage and entry points for the remaining network. The framework and the software developed were key to achieve the scientific knowledge presented, and more importantly, these can be established as the structural basis for future research on diadromous fish speciesISA/ULFerreira, Maria TeresaHaidvogl, GertrudSegurado, PedroRepositório da Universidade de LisboaDuarte, Gonçalo Filipe Fernandes2019-09-17T14:29:33Z20192019-01-01T00:00:00Zdoctoral thesisinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10400.5/18329TID:101596456engDuarte, G.F.F. - Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale. Lisboa: ISA, 2019, 237 p.info: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:RCAAP2024-11-20T19:13:22Zoai:repositorio.ul.pt:10400.5/18329Portal AgregadorONGhttps://www.rcaap.pt/oai/openairemluisa.alvim@gmail.comopendoar:71602024-11-20T19:13:22Repositório 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 Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
title Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
spellingShingle Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
Duarte, Gonçalo Filipe Fernandes
freshwater networks
historical data
PHish
RivTool
diadromous fish
title_short Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
title_full Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
title_fullStr Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
title_full_unstemmed Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
title_sort Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale
author Duarte, Gonçalo Filipe Fernandes
author_facet Duarte, Gonçalo Filipe Fernandes
author_role author
dc.contributor.none.fl_str_mv Ferreira, Maria Teresa
Haidvogl, Gertrud
Segurado, Pedro
Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Duarte, Gonçalo Filipe Fernandes
dc.subject.por.fl_str_mv freshwater networks
historical data
PHish
RivTool
diadromous fish
topic freshwater networks
historical data
PHish
RivTool
diadromous fish
description Doutoramento em Restauro e Gestão Fluviais - Instituto Superior de Agronomia / Faculdade de Arquitetura / Instituto Superior Técnico
publishDate 2019
dc.date.none.fl_str_mv 2019-09-17T14:29:33Z
2019
2019-01-01T00:00:00Z
dc.type.driver.fl_str_mv doctoral thesis
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.5/18329
TID:101596456
url http://hdl.handle.net/10400.5/18329
identifier_str_mv TID:101596456
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Duarte, G.F.F. - Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale. Lisboa: ISA, 2019, 237 p.
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv ISA/UL
publisher.none.fl_str_mv ISA/UL
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv mluisa.alvim@gmail.com
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