Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels

[eng] Many antrophic activities release pollutants to the marine environment. Among them heavy metals are of great importance, since they are conservative pollutants, which can be accumulated through trophy chains. Sometimes, the liberation to the marine waters is acute and drastic, leading to massi...

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Detalles Bibliográficos
Autor: Cebrian Pujol, Emma
Tipo de recurso: tesis doctoral
Estado:Versión publicada
Fecha de publicación:2007
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/35906
Acceso en línea:https://hdl.handle.net/2445/35906
http://www.tdx.cat/TDX-0220108-124018
http://hdl.handle.net/10803/805
Access Level:acceso abierto
Palabra clave:Ecologia marina
Contaminació de l'aigua
Metalls pesants
Esponges
Marine ecology
Water-Pollution
Heavy metals
Sponges
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spelling Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levelsCebrian Pujol, EmmaEcologia marinaContaminació de l'aiguaMetalls pesantsEspongesMarine ecologyWater-PollutionHeavy metalsSponges[eng] Many antrophic activities release pollutants to the marine environment. Among them heavy metals are of great importance, since they are conservative pollutants, which can be accumulated through trophy chains. Sometimes, the liberation to the marine waters is acute and drastic, leading to massive mortalities. However, more often, the liberation is by means of low and chronic concentrations. The main objective of the present thesis is to analyze the sponge responses in face to sublethal concentrations of heavy metals and to determine, if it is possible, whether they can be used as biomonitors of such kind of pollution. First, we have studied their availability to accumulate havey metals in both, temporal and especial scales. And then, by means of the use of different biomarkers, to analyze the sublethal effects of heavy metals on sponges at different levels of biological organization, from molecules to populations. The present thesis has been performed by means of experiments in situ and at the laboratory, in order to elucidate heavy metal accumulation patterns and their effects depending on the specie and metal considered.[cat] "Efectes subletals de la contaminació per metalls pesats en esponges marines: Respostes a diferents nivells d'organització". Moltes activitats antròpiques alliberen contaminants en el medi. Entre els contaminants hem de destacar els metalls pesants, ja que són contaminants conservatius y que s'acumulen a través de les xarxes tròfiques. En alguns casos la alliberació dels contaminants en el medi es dona de forma aguda i dràstica, el què pot provovar mortalitats massives. De totes formes, de forma general l'alliberació al medi dels metalls pesants es dóna a baixes concentracions i de forma crónica. L'objectiu principal d'aquesta tesis és analitzar les respostes de les esponges a concentracions subletals de metalls pesants i determinar la seva utilitat com a biomonitors d'aquest tipus de contaminació. En primer lloc, s'ha d'estudiar la capacitat de les esponges per acumular metalls pesants tant a una escala temporal com espaial. En segon lloc, mitjançant l'ús de diferents biomarcadors, analitzar els efectes subletals dels metalls en les esponges, a diferents nivells d'organització biológica, desde les molècules fins a les poblacions. Aquesta tesis s'ha dut a terme mitjançant experiments que convinen aproximacions in situ i en el laboratori per tal de compendre de millor maners els models d'acumulació i els seus efectes en funció de l'espècie i el metall considerat.Universitat de BarcelonaUriz Lespe, María JesúsBallesteros, Manuel (Ballesteros Vázquez)Universitat de Barcelona. Departament de Biologia Animal2007info:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/35906http://www.tdx.cat/TDX-0220108-124018http://hdl.handle.net/10803/805Tesis Doctorals - Departament - Biologia Animalreponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglés(c) Cebrian Pujol, 2007info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/359062026-05-27T06:46:51Z
dc.title.none.fl_str_mv Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
title Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
spellingShingle Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
Cebrian Pujol, Emma
Ecologia marina
Contaminació de l'aigua
Metalls pesants
Esponges
Marine ecology
Water-Pollution
Heavy metals
Sponges
title_short Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
title_full Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
title_fullStr Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
title_full_unstemmed Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
title_sort Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels
dc.creator.none.fl_str_mv Cebrian Pujol, Emma
author Cebrian Pujol, Emma
author_facet Cebrian Pujol, Emma
author_role author
dc.contributor.none.fl_str_mv Uriz Lespe, María Jesús
Ballesteros, Manuel (Ballesteros Vázquez)
Universitat de Barcelona. Departament de Biologia Animal
dc.subject.none.fl_str_mv Ecologia marina
Contaminació de l'aigua
Metalls pesants
Esponges
Marine ecology
Water-Pollution
Heavy metals
Sponges
topic Ecologia marina
Contaminació de l'aigua
Metalls pesants
Esponges
Marine ecology
Water-Pollution
Heavy metals
Sponges
description [eng] Many antrophic activities release pollutants to the marine environment. Among them heavy metals are of great importance, since they are conservative pollutants, which can be accumulated through trophy chains. Sometimes, the liberation to the marine waters is acute and drastic, leading to massive mortalities. However, more often, the liberation is by means of low and chronic concentrations. The main objective of the present thesis is to analyze the sponge responses in face to sublethal concentrations of heavy metals and to determine, if it is possible, whether they can be used as biomonitors of such kind of pollution. First, we have studied their availability to accumulate havey metals in both, temporal and especial scales. And then, by means of the use of different biomarkers, to analyze the sublethal effects of heavy metals on sponges at different levels of biological organization, from molecules to populations. The present thesis has been performed by means of experiments in situ and at the laboratory, in order to elucidate heavy metal accumulation patterns and their effects depending on the specie and metal considered.
publishDate 2007
dc.date.none.fl_str_mv 2007
dc.type.none.fl_str_mv info:eu-repo/semantics/doctoralThesis
info:eu-repo/semantics/publishedVersion
format doctoralThesis
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/35906
http://www.tdx.cat/TDX-0220108-124018
http://hdl.handle.net/10803/805
url https://hdl.handle.net/2445/35906
http://www.tdx.cat/TDX-0220108-124018
http://hdl.handle.net/10803/805
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv (c) Cebrian Pujol, 2007
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) Cebrian Pujol, 2007
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universitat de Barcelona
publisher.none.fl_str_mv Universitat de Barcelona
dc.source.none.fl_str_mv Tesis Doctorals - Departament - Biologia Animal
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869406028104204288
score 15.300719

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