Food web of a tropical high mountain stream: effects of nutrient addition
and lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } -- and gt; Using a nutrient enrichment experiment in an Andean mountain stream, we used stable isotope ratios (15N and 13C) to analyze different trophic compartments: 1) basal level: CPOM and biofilm; 2) primary consumers – macroinverteb...
- Autores:
-
Castro-Rebolledo, María Isabel
Muñoz Gracia, Isabel
Donato, John
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2014
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/72511
- Acceso en línea:
- https://repositorio.unal.edu.co/handle/unal/72511
http://bdigital.unal.edu.co/36984/
http://bdigital.unal.edu.co/36984/2/
- Palabra clave:
- food webs
nutrient enrichment
isotope ratios
trophic compartments
gut content.
- Rights
- openAccess
- License
- Atribución-NoComercial 4.0 Internacional
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Universidad Nacional de Colombia |
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Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Castro-Rebolledo, María Isabela4c7c583-ab39-4fa0-baf9-ff783f4e98b3300Muñoz Gracia, Isabel4f7fa8f8-b983-4eb7-bffd-b901c2187000300Donato, Johnee80858c-79f4-45c8-994a-2538e27c3d203002019-07-03T15:15:50Z2019-07-03T15:15:50Z2014https://repositorio.unal.edu.co/handle/unal/72511http://bdigital.unal.edu.co/36984/http://bdigital.unal.edu.co/36984/2/and lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } -- and gt; Using a nutrient enrichment experiment in an Andean mountain stream, we used stable isotope ratios (15N and 13C) to analyze different trophic compartments: 1) basal level: CPOM and biofilm; 2) primary consumers – macroinvertebrates: collector-gatherers(Heterelmissp, Thraulodessp andTrichorythodessp), and collector-filterers (Simuliumsp); 3) predators – fish (Oncorhynchusmykiss and Trichomycterusbogotensis).The average fractionation of nitrogen among the primary consumers with respect to CPOM was 4.7‰ and 1.7‰ with respect to biofilm. Predators incrementedtheir15N signalby 5.9% with respect to primary consumers.A depletion of15N was observed in Impact with respect tocontrol reach after fertilization in different compartments (biofilm, Heterelmissp., Simuliumsp. andTricorythodessp.), while depletion was not significant for top predators. In most cases, the 13C signal of biofilm overlapped with that of primary consumers, but a clear enrichment was observed with respect to CPOM.The macroinvertebrates referred to were selected to analyze their gut content and the results showed us that fine detritus is the most abundant food in invertebrates, and onlyHeterelmis sp. showed significant differences in fine detritus and vegetal matter between control and impact reaches after the nutrient addition.application/pdfspaUniversidad Nacional de Colombia, Facultad de Ciencias, Departamento de Biologíahttp://revistas.unal.edu.co/index.php/actabiol/article/view/38265Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica ColombianaActa Biológica ColombianaActa Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 Acta Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 1900-1649 0120-548XCastro-Rebolledo, María Isabel and Muñoz Gracia, Isabel and Donato, John (2014) Food web of a tropical high mountain stream: effects of nutrient addition. Acta Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 Acta Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 1900-1649 0120-548X .Food web of a tropical high mountain stream: effects of nutrient additionArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTfood websnutrient enrichmentisotope ratiostrophic compartmentsgut content.ORIGINAL38265-185604-2-PB.pdfapplication/pdf467984https://repositorio.unal.edu.co/bitstream/unal/72511/1/38265-185604-2-PB.pdf9b34e05192e5c924e0e12d486a8db3a9MD51THUMBNAIL38265-185604-2-PB.pdf.jpg38265-185604-2-PB.pdf.jpgGenerated Thumbnailimage/jpeg8703https://repositorio.unal.edu.co/bitstream/unal/72511/2/38265-185604-2-PB.pdf.jpg2254d2b9822bbc14ce2e54279db14fd6MD52unal/72511oai:repositorio.unal.edu.co:unal/725112024-06-16 23:11:55.074Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co |
dc.title.spa.fl_str_mv |
Food web of a tropical high mountain stream: effects of nutrient addition |
title |
Food web of a tropical high mountain stream: effects of nutrient addition |
spellingShingle |
Food web of a tropical high mountain stream: effects of nutrient addition food webs nutrient enrichment isotope ratios trophic compartments gut content. |
title_short |
Food web of a tropical high mountain stream: effects of nutrient addition |
title_full |
Food web of a tropical high mountain stream: effects of nutrient addition |
title_fullStr |
Food web of a tropical high mountain stream: effects of nutrient addition |
title_full_unstemmed |
Food web of a tropical high mountain stream: effects of nutrient addition |
title_sort |
Food web of a tropical high mountain stream: effects of nutrient addition |
dc.creator.fl_str_mv |
Castro-Rebolledo, María Isabel Muñoz Gracia, Isabel Donato, John |
dc.contributor.author.spa.fl_str_mv |
Castro-Rebolledo, María Isabel Muñoz Gracia, Isabel Donato, John |
dc.subject.proposal.spa.fl_str_mv |
food webs nutrient enrichment isotope ratios trophic compartments gut content. |
topic |
food webs nutrient enrichment isotope ratios trophic compartments gut content. |
description |
and lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } -- and gt; Using a nutrient enrichment experiment in an Andean mountain stream, we used stable isotope ratios (15N and 13C) to analyze different trophic compartments: 1) basal level: CPOM and biofilm; 2) primary consumers – macroinvertebrates: collector-gatherers(Heterelmissp, Thraulodessp andTrichorythodessp), and collector-filterers (Simuliumsp); 3) predators – fish (Oncorhynchusmykiss and Trichomycterusbogotensis).The average fractionation of nitrogen among the primary consumers with respect to CPOM was 4.7‰ and 1.7‰ with respect to biofilm. Predators incrementedtheir15N signalby 5.9% with respect to primary consumers.A depletion of15N was observed in Impact with respect tocontrol reach after fertilization in different compartments (biofilm, Heterelmissp., Simuliumsp. andTricorythodessp.), while depletion was not significant for top predators. In most cases, the 13C signal of biofilm overlapped with that of primary consumers, but a clear enrichment was observed with respect to CPOM.The macroinvertebrates referred to were selected to analyze their gut content and the results showed us that fine detritus is the most abundant food in invertebrates, and onlyHeterelmis sp. showed significant differences in fine detritus and vegetal matter between control and impact reaches after the nutrient addition. |
publishDate |
2014 |
dc.date.issued.spa.fl_str_mv |
2014 |
dc.date.accessioned.spa.fl_str_mv |
2019-07-03T15:15:50Z |
dc.date.available.spa.fl_str_mv |
2019-07-03T15:15:50Z |
dc.type.spa.fl_str_mv |
Artículo de revista |
dc.type.coar.fl_str_mv |
http://purl.org/coar/resource_type/c_2df8fbb1 |
dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.version.spa.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.coar.spa.fl_str_mv |
http://purl.org/coar/resource_type/c_6501 |
dc.type.coarversion.spa.fl_str_mv |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
dc.type.content.spa.fl_str_mv |
Text |
dc.type.redcol.spa.fl_str_mv |
http://purl.org/redcol/resource_type/ART |
format |
http://purl.org/coar/resource_type/c_6501 |
status_str |
publishedVersion |
dc.identifier.uri.none.fl_str_mv |
https://repositorio.unal.edu.co/handle/unal/72511 |
dc.identifier.eprints.spa.fl_str_mv |
http://bdigital.unal.edu.co/36984/ http://bdigital.unal.edu.co/36984/2/ |
url |
https://repositorio.unal.edu.co/handle/unal/72511 http://bdigital.unal.edu.co/36984/ http://bdigital.unal.edu.co/36984/2/ |
dc.language.iso.spa.fl_str_mv |
spa |
language |
spa |
dc.relation.spa.fl_str_mv |
http://revistas.unal.edu.co/index.php/actabiol/article/view/38265 |
dc.relation.ispartof.spa.fl_str_mv |
Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana Acta Biológica Colombiana |
dc.relation.ispartofseries.none.fl_str_mv |
Acta Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 Acta Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 1900-1649 0120-548X |
dc.relation.references.spa.fl_str_mv |
Castro-Rebolledo, María Isabel and Muñoz Gracia, Isabel and Donato, John (2014) Food web of a tropical high mountain stream: effects of nutrient addition. Acta Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 Acta Biológica Colombiana; Vol. 19, núm. 1 (2014); 34-42 1900-1649 0120-548X . |
dc.rights.spa.fl_str_mv |
Derechos reservados - Universidad Nacional de Colombia |
dc.rights.coar.fl_str_mv |
http://purl.org/coar/access_right/c_abf2 |
dc.rights.license.spa.fl_str_mv |
Atribución-NoComercial 4.0 Internacional |
dc.rights.uri.spa.fl_str_mv |
http://creativecommons.org/licenses/by-nc/4.0/ |
dc.rights.accessrights.spa.fl_str_mv |
info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Atribución-NoComercial 4.0 Internacional Derechos reservados - Universidad Nacional de Colombia http://creativecommons.org/licenses/by-nc/4.0/ http://purl.org/coar/access_right/c_abf2 |
eu_rights_str_mv |
openAccess |
dc.format.mimetype.spa.fl_str_mv |
application/pdf |
dc.publisher.spa.fl_str_mv |
Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Biología |
institution |
Universidad Nacional de Colombia |
bitstream.url.fl_str_mv |
https://repositorio.unal.edu.co/bitstream/unal/72511/1/38265-185604-2-PB.pdf https://repositorio.unal.edu.co/bitstream/unal/72511/2/38265-185604-2-PB.pdf.jpg |
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Repositorio Institucional Universidad Nacional de Colombia |
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