Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects

12 pages, and tables statics, and figures

Detalles Bibliográficos
Autores: Piña, Elisa, Álvarez Cobelas, Miguel, Rodrigo, María A., Rojo, Carmen, Delgado Huertas, Antonio
Tipo de recurso: artículo
Fecha de publicación:2006
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/17682
Acceso en línea:http://hdl.handle.net/10261/17682
Access Level:acceso abierto
Palabra clave:N stable isotope
Particle settling
Particulate nitrogen
Plankton
Residence time
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spelling Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effectsPiña, ElisaÁlvarez Cobelas, MiguelRodrigo, María A.Rojo, CarmenDelgado Huertas, AntonioN stable isotopeParticle settlingParticulate nitrogenPlanktonResidence time12 pages, and tables statics, and figures1. Monthly changes to N loadings, in-lake particulate organic nitrogen (PON), planktonic PON, and PON sedimentary flux were studied in a Spanish flowthrough, seepage lake subject to massive nitrogen inputs from June 2003 to December 2004 when water renewal was very rapid (0.09–0.17 year). 2. The distribution of in-lake PON did not show a seasonal trend. Total nitrogen input flux ranged from 1.23 to 4.83 g N m)2 day)1, 71–76% of which is nitrate while PON represents 6–10%. PON sedimentation rates ranged from 9 to 90 mg N m)2 day)1 and fluctuated on a seasonal basis, reaching a minimum in winter and early spring and a maximum after thermal turnover had occurred. 3. This fluctuation was not related to either autochthonous planktonic production or allochthonous inputs. Since charophyte populations in Colgada Lake underwent a seasonal pattern of growth and decomposition, and 15dN values of settling material peaked at the end of that decomposition process, we suggest that PON sedimentary flux could be partly driven by decomposed charophyte particles. 4. However, the picture of PON sedimentation in this lake was more complex than anticipated because water residence time partly explained PON variability, albeit with a 1 month lag. Water residence time explained 40% of the overall variance of yearly averaged PON sedimentary flux in a meta-analysis of 13 lakes worldwide. However, the factors such as phytoplankton composition, trophic structure, bottom communities, nutrient loading or productivity levels may also be influential on PON settling dynamics.Peer reviewedBlackwell Publishing200920092006info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501635249 bytesapplication/pdfhttp://hdl.handle.net/10261/17682reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1111/j.1365-2427.2006.01645.xinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/176822026-05-22T06:33:51Z
dc.title.none.fl_str_mv Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
title Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
spellingShingle Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
Piña, Elisa
N stable isotope
Particle settling
Particulate nitrogen
Plankton
Residence time
title_short Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
title_full Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
title_fullStr Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
title_full_unstemmed Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
title_sort Nitrogen sedimentation in a lake affected by massive nitrogen inputs: autochthonous versus allochthonous effects
dc.creator.none.fl_str_mv Piña, Elisa
Álvarez Cobelas, Miguel
Rodrigo, María A.
Rojo, Carmen
Delgado Huertas, Antonio
author Piña, Elisa
author_facet Piña, Elisa
Álvarez Cobelas, Miguel
Rodrigo, María A.
Rojo, Carmen
Delgado Huertas, Antonio
author_role author
author2 Álvarez Cobelas, Miguel
Rodrigo, María A.
Rojo, Carmen
Delgado Huertas, Antonio
author2_role author
author
author
author
dc.subject.none.fl_str_mv N stable isotope
Particle settling
Particulate nitrogen
Plankton
Residence time
topic N stable isotope
Particle settling
Particulate nitrogen
Plankton
Residence time
description 12 pages, and tables statics, and figures
publishDate 2006
dc.date.none.fl_str_mv 2006
2009
2009
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/17682
url http://hdl.handle.net/10261/17682
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1111/j.1365-2427.2006.01645.x
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 635249 bytes
application/pdf
dc.publisher.none.fl_str_mv Blackwell Publishing
publisher.none.fl_str_mv Blackwell Publishing
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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