Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river
- Autores
- Martyniuk, Nicolás; Souza, Maria Sol; Bastidas Navarro, Marcela; Balseiro, Esteban; Modenutti, Beatriz
- Año de publicación
- 2022
- Idioma
- inglés
- Tipo de recurso
- conjunto de datos
- Estado
- versión aceptada
- Descripción
- In the Patagonian Andes, glaciers of Tronador Mountain are headwaters of Manso River that drains glacial waters into Lake Mascardi. The river receives different tributaries that differ in turbidity and canopy. In this scenario we performed a field study to elucidate the effect of the input of tributary streams on the elemental limitation of the biofilm of the main glacier-fed river. We analyzed through general additive models and standardized major axis regressions the activities of two extracellular enzymes, β- glucosidase (GLU) and alkaline phosphatase (APA). We hypothesized that their ratio would reflect stoichiometric constraints to changes in the relative availability of carbon and phosphorus due to tributary streams’ influence. Along the glacier-fed river, we observed a decrease in the glacial influence and a spatial shift in P and dissolved organic carbon availability, that affected biofilm enzymatic activity. High enzymatic activity of GLU and APA in biofilm was related to low nutrient fluxes in stream water. In addition, the analysis of GLU and APA showed a switch in elemental limitation from Climitation in headwaters to P-limitation downstream. Finally, our results showed that biofilm enzymatic activity is a good ecological indicator to analyze changes in glacier retreat and their consequences in glacier-fed streams.
Fil: Martyniuk, Nicolás. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.
Fil: Martyniuk, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.
Fil: Souza, Maria Sol. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche; Argentina.
Fil: Bastidas Navarro, Marcela. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.
Fil: Bastidas Navarro, Marcela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.
Fil: Balseiro, Esteban. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.
Fil: Balseiro, Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.
Fil: Modenutti, Beatriz. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.
Fil: Modenutti, Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. - Fuente
- Hydrobiologia
- Materia
-
β-Glucosidase
Alkaline phosphatase
Attached communities
Glacier systems
Stream
Ecological stoichiometry
Ciencias de la Tierra y Medio Ambiente - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Universidad Nacional del Comahue
- OAI Identificador
- oai:rdi.uncoma.edu.ar:uncomaid/16659
Ver los metadatos del registro completo
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Nutrient limitation affects biofilm enzymatic activities in a glacier-fed riverMartyniuk, NicolásSouza, Maria SolBastidas Navarro, MarcelaBalseiro, EstebanModenutti, Beatrizβ-GlucosidaseAlkaline phosphataseAttached communitiesGlacier systemsStreamEcological stoichiometryhttps://purl.org/becyt/ford/1Ciencias de la Tierra y Medio AmbienteIn the Patagonian Andes, glaciers of Tronador Mountain are headwaters of Manso River that drains glacial waters into Lake Mascardi. The river receives different tributaries that differ in turbidity and canopy. In this scenario we performed a field study to elucidate the effect of the input of tributary streams on the elemental limitation of the biofilm of the main glacier-fed river. We analyzed through general additive models and standardized major axis regressions the activities of two extracellular enzymes, β- glucosidase (GLU) and alkaline phosphatase (APA). We hypothesized that their ratio would reflect stoichiometric constraints to changes in the relative availability of carbon and phosphorus due to tributary streams’ influence. Along the glacier-fed river, we observed a decrease in the glacial influence and a spatial shift in P and dissolved organic carbon availability, that affected biofilm enzymatic activity. High enzymatic activity of GLU and APA in biofilm was related to low nutrient fluxes in stream water. In addition, the analysis of GLU and APA showed a switch in elemental limitation from Climitation in headwaters to P-limitation downstream. Finally, our results showed that biofilm enzymatic activity is a good ecological indicator to analyze changes in glacier retreat and their consequences in glacier-fed streams.Fil: Martyniuk, Nicolás. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.Fil: Martyniuk, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.Fil: Souza, Maria Sol. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche; Argentina.Fil: Bastidas Navarro, Marcela. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.Fil: Bastidas Navarro, Marcela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.Fil: Balseiro, Esteban. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.Fil: Balseiro, Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.Fil: Modenutti, Beatriz. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina.Fil: Modenutti, Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.Springer Nature2022-03-07info:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_ddb1info:ar-repo/semantics/conjuntoDeDatosinfo:eu-repo/semantics/dataSetapplication/ms-excelapplication/vnd.openxmlformats-officedocument.spreadsheetml.sheethttp://rdi.uncoma.edu.ar/handle/uncomaid/16659Hydrobiologiareponame:Repositorio Digital Institucional (UNCo)instname:Universidad Nacional del Comahueenghttps://doi.org/10.1007/s10750-022-04857-1info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/2025-09-29T14:28:43Zoai:rdi.uncoma.edu.ar:uncomaid/16659instacron:UNCoInstitucionalhttp://rdi.uncoma.edu.ar/Universidad públicaNo correspondehttp://rdi.uncoma.edu.ar/oaimirtha.mateo@biblioteca.uncoma.edu.ar; adriana.acuna@biblioteca.uncoma.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:71082025-09-29 14:28:43.983Repositorio Digital Institucional (UNCo) - Universidad Nacional del Comahuefalse |
dc.title.none.fl_str_mv |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river |
title |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river |
spellingShingle |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river Martyniuk, Nicolás β-Glucosidase Alkaline phosphatase Attached communities Glacier systems Stream Ecological stoichiometry Ciencias de la Tierra y Medio Ambiente |
title_short |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river |
title_full |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river |
title_fullStr |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river |
title_full_unstemmed |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river |
title_sort |
Nutrient limitation affects biofilm enzymatic activities in a glacier-fed river |
dc.creator.none.fl_str_mv |
Martyniuk, Nicolás Souza, Maria Sol Bastidas Navarro, Marcela Balseiro, Esteban Modenutti, Beatriz |
author |
Martyniuk, Nicolás |
author_facet |
Martyniuk, Nicolás Souza, Maria Sol Bastidas Navarro, Marcela Balseiro, Esteban Modenutti, Beatriz |
author_role |
author |
author2 |
Souza, Maria Sol Bastidas Navarro, Marcela Balseiro, Esteban Modenutti, Beatriz |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
β-Glucosidase Alkaline phosphatase Attached communities Glacier systems Stream Ecological stoichiometry Ciencias de la Tierra y Medio Ambiente |
topic |
β-Glucosidase Alkaline phosphatase Attached communities Glacier systems Stream Ecological stoichiometry Ciencias de la Tierra y Medio Ambiente |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
In the Patagonian Andes, glaciers of Tronador Mountain are headwaters of Manso River that drains glacial waters into Lake Mascardi. The river receives different tributaries that differ in turbidity and canopy. In this scenario we performed a field study to elucidate the effect of the input of tributary streams on the elemental limitation of the biofilm of the main glacier-fed river. We analyzed through general additive models and standardized major axis regressions the activities of two extracellular enzymes, β- glucosidase (GLU) and alkaline phosphatase (APA). We hypothesized that their ratio would reflect stoichiometric constraints to changes in the relative availability of carbon and phosphorus due to tributary streams’ influence. Along the glacier-fed river, we observed a decrease in the glacial influence and a spatial shift in P and dissolved organic carbon availability, that affected biofilm enzymatic activity. High enzymatic activity of GLU and APA in biofilm was related to low nutrient fluxes in stream water. In addition, the analysis of GLU and APA showed a switch in elemental limitation from Climitation in headwaters to P-limitation downstream. Finally, our results showed that biofilm enzymatic activity is a good ecological indicator to analyze changes in glacier retreat and their consequences in glacier-fed streams. Fil: Martyniuk, Nicolás. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina. Fil: Martyniuk, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Souza, Maria Sol. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche; Argentina. Fil: Bastidas Navarro, Marcela. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina. Fil: Bastidas Navarro, Marcela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Balseiro, Esteban. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina. Fil: Balseiro, Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Modenutti, Beatriz. Universidad Nacional del Comahue. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina. Fil: Modenutti, Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. |
description |
In the Patagonian Andes, glaciers of Tronador Mountain are headwaters of Manso River that drains glacial waters into Lake Mascardi. The river receives different tributaries that differ in turbidity and canopy. In this scenario we performed a field study to elucidate the effect of the input of tributary streams on the elemental limitation of the biofilm of the main glacier-fed river. We analyzed through general additive models and standardized major axis regressions the activities of two extracellular enzymes, β- glucosidase (GLU) and alkaline phosphatase (APA). We hypothesized that their ratio would reflect stoichiometric constraints to changes in the relative availability of carbon and phosphorus due to tributary streams’ influence. Along the glacier-fed river, we observed a decrease in the glacial influence and a spatial shift in P and dissolved organic carbon availability, that affected biofilm enzymatic activity. High enzymatic activity of GLU and APA in biofilm was related to low nutrient fluxes in stream water. In addition, the analysis of GLU and APA showed a switch in elemental limitation from Climitation in headwaters to P-limitation downstream. Finally, our results showed that biofilm enzymatic activity is a good ecological indicator to analyze changes in glacier retreat and their consequences in glacier-fed streams. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-03-07 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/acceptedVersion http://purl.org/coar/resource_type/c_ddb1 info:ar-repo/semantics/conjuntoDeDatos info:eu-repo/semantics/dataSet |
status_str |
acceptedVersion |
format |
dataSet |
dc.identifier.none.fl_str_mv |
http://rdi.uncoma.edu.ar/handle/uncomaid/16659 |
url |
http://rdi.uncoma.edu.ar/handle/uncomaid/16659 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://doi.org/10.1007/s10750-022-04857-1 |
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/ |
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application/ms-excel application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
dc.publisher.none.fl_str_mv |
Springer Nature |
publisher.none.fl_str_mv |
Springer Nature |
dc.source.none.fl_str_mv |
Hydrobiologia reponame:Repositorio Digital Institucional (UNCo) instname:Universidad Nacional del Comahue |
reponame_str |
Repositorio Digital Institucional (UNCo) |
collection |
Repositorio Digital Institucional (UNCo) |
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Universidad Nacional del Comahue |
repository.name.fl_str_mv |
Repositorio Digital Institucional (UNCo) - Universidad Nacional del Comahue |
repository.mail.fl_str_mv |
mirtha.mateo@biblioteca.uncoma.edu.ar; adriana.acuna@biblioteca.uncoma.edu.ar |
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12.559606 |