Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm

Autores
Sierra, Maria Victoria; Gomez, Nora
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A translocation experiment of epipelic biofilm was performed in order to explore the effects on this biological complex when exposed to different water qualities. To carry out such an experiment we employed artificial substrata placed at two sites within a stream that receives a textile effluent: at site 1, located upstream from this influx, and at site 2, downstream. After a 4-week colonization, the substrata at each site were switched in location between sites 1 and 2.The analysis of the epipelon was performed once a week between April and July 2008. In order to evaluate the disturbance on the biofilms we assessed structural (biofilm composition, chlorophyll “a” and ash-free dry weight) and metabolic (net and gross primary production, respiration, and assimilation rate) features. With the metabolic variables that showed significant
differences, resistance was calculated. The taxonomic and metabolic variables analyzed responded differently in accordance with the type of environmental challenge presented. In this regard, the biofilm developing at the site upstream from the textile effluent that was later transferred to the downstream site proved to be more resistant to the environmental perturbations with respect to its composition, but not at the level of its metabolic descriptors. Indeed, in the translocated and nontranslocated biofilms growing downstream we observed diatom species with morphological deformations in their frustules, fact that clearly reflects the environmental stress at this site. On the other hand, the biofilm transferred in the opposite direction, in turn, rapidly exhibited tendencies to compensate for its lower biological integrity, but responded more slowly at the metabolic level. Finally, the observation of the changes occurred in the biofilms as a consequence of the worsening and improvement of the water quality could be efficiently evaluated through this experiment.
Fil: Sierra, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
Fil: Gomez, Nora. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
Materia
Epipelic Biofilm
Disturbance
Translocation
Industrial Discharge
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/51932

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spelling Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilmSierra, Maria VictoriaGomez, NoraEpipelic BiofilmDisturbanceTranslocationIndustrial Dischargehttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1A translocation experiment of epipelic biofilm was performed in order to explore the effects on this biological complex when exposed to different water qualities. To carry out such an experiment we employed artificial substrata placed at two sites within a stream that receives a textile effluent: at site 1, located upstream from this influx, and at site 2, downstream. After a 4-week colonization, the substrata at each site were switched in location between sites 1 and 2.The analysis of the epipelon was performed once a week between April and July 2008. In order to evaluate the disturbance on the biofilms we assessed structural (biofilm composition, chlorophyll “a” and ash-free dry weight) and metabolic (net and gross primary production, respiration, and assimilation rate) features. With the metabolic variables that showed significant<br />differences, resistance was calculated. The taxonomic and metabolic variables analyzed responded differently in accordance with the type of environmental challenge presented. In this regard, the biofilm developing at the site upstream from the textile effluent that was later transferred to the downstream site proved to be more resistant to the environmental perturbations with respect to its composition, but not at the level of its metabolic descriptors. Indeed, in the translocated and nontranslocated biofilms growing downstream we observed diatom species with morphological deformations in their frustules, fact that clearly reflects the environmental stress at this site. On the other hand, the biofilm transferred in the opposite direction, in turn, rapidly exhibited tendencies to compensate for its lower biological integrity, but responded more slowly at the metabolic level. Finally, the observation of the changes occurred in the biofilms as a consequence of the worsening and improvement of the water quality could be efficiently evaluated through this experiment.Fil: Sierra, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; ArgentinaFil: Gomez, Nora. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; ArgentinaElsevier Science2010-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/51932Sierra, Maria Victoria; Gomez, Nora; Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm; Elsevier Science; Science of the Total Environment; 408; 13; 6-2010; 2696-27050048-9697CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0048969710002676info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2010.03.020info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:34:28Zoai:ri.conicet.gov.ar:11336/51932instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:34:28.637CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
title Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
spellingShingle Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
Sierra, Maria Victoria
Epipelic Biofilm
Disturbance
Translocation
Industrial Discharge
title_short Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
title_full Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
title_fullStr Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
title_full_unstemmed Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
title_sort Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm
dc.creator.none.fl_str_mv Sierra, Maria Victoria
Gomez, Nora
author Sierra, Maria Victoria
author_facet Sierra, Maria Victoria
Gomez, Nora
author_role author
author2 Gomez, Nora
author2_role author
dc.subject.none.fl_str_mv Epipelic Biofilm
Disturbance
Translocation
Industrial Discharge
topic Epipelic Biofilm
Disturbance
Translocation
Industrial Discharge
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv A translocation experiment of epipelic biofilm was performed in order to explore the effects on this biological complex when exposed to different water qualities. To carry out such an experiment we employed artificial substrata placed at two sites within a stream that receives a textile effluent: at site 1, located upstream from this influx, and at site 2, downstream. After a 4-week colonization, the substrata at each site were switched in location between sites 1 and 2.The analysis of the epipelon was performed once a week between April and July 2008. In order to evaluate the disturbance on the biofilms we assessed structural (biofilm composition, chlorophyll “a” and ash-free dry weight) and metabolic (net and gross primary production, respiration, and assimilation rate) features. With the metabolic variables that showed significant<br />differences, resistance was calculated. The taxonomic and metabolic variables analyzed responded differently in accordance with the type of environmental challenge presented. In this regard, the biofilm developing at the site upstream from the textile effluent that was later transferred to the downstream site proved to be more resistant to the environmental perturbations with respect to its composition, but not at the level of its metabolic descriptors. Indeed, in the translocated and nontranslocated biofilms growing downstream we observed diatom species with morphological deformations in their frustules, fact that clearly reflects the environmental stress at this site. On the other hand, the biofilm transferred in the opposite direction, in turn, rapidly exhibited tendencies to compensate for its lower biological integrity, but responded more slowly at the metabolic level. Finally, the observation of the changes occurred in the biofilms as a consequence of the worsening and improvement of the water quality could be efficiently evaluated through this experiment.
Fil: Sierra, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
Fil: Gomez, Nora. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
description A translocation experiment of epipelic biofilm was performed in order to explore the effects on this biological complex when exposed to different water qualities. To carry out such an experiment we employed artificial substrata placed at two sites within a stream that receives a textile effluent: at site 1, located upstream from this influx, and at site 2, downstream. After a 4-week colonization, the substrata at each site were switched in location between sites 1 and 2.The analysis of the epipelon was performed once a week between April and July 2008. In order to evaluate the disturbance on the biofilms we assessed structural (biofilm composition, chlorophyll “a” and ash-free dry weight) and metabolic (net and gross primary production, respiration, and assimilation rate) features. With the metabolic variables that showed significant<br />differences, resistance was calculated. The taxonomic and metabolic variables analyzed responded differently in accordance with the type of environmental challenge presented. In this regard, the biofilm developing at the site upstream from the textile effluent that was later transferred to the downstream site proved to be more resistant to the environmental perturbations with respect to its composition, but not at the level of its metabolic descriptors. Indeed, in the translocated and nontranslocated biofilms growing downstream we observed diatom species with morphological deformations in their frustules, fact that clearly reflects the environmental stress at this site. On the other hand, the biofilm transferred in the opposite direction, in turn, rapidly exhibited tendencies to compensate for its lower biological integrity, but responded more slowly at the metabolic level. Finally, the observation of the changes occurred in the biofilms as a consequence of the worsening and improvement of the water quality could be efficiently evaluated through this experiment.
publishDate 2010
dc.date.none.fl_str_mv 2010-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/51932
Sierra, Maria Victoria; Gomez, Nora; Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm; Elsevier Science; Science of the Total Environment; 408; 13; 6-2010; 2696-2705
0048-9697
CONICET Digital
CONICET
url http://hdl.handle.net/11336/51932
identifier_str_mv Sierra, Maria Victoria; Gomez, Nora; Assessing the disturbance caused by an industrial discharge using field transfer of epipelic biofilm; Elsevier Science; Science of the Total Environment; 408; 13; 6-2010; 2696-2705
0048-9697
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0048969710002676
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2010.03.020
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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