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dc.contributor.author
Firstater, Fausto Nahuel
dc.contributor.author
Narvarte, Maite Andrea
dc.contributor.author
Alvarez, María Fernanda
dc.contributor.author
Fanjul, Maria Eugenia
dc.contributor.author
Iribarne, Oscar Osvaldo
dc.date.available
2017-09-04T18:00:55Z
dc.date.issued
2016-05
dc.identifier.citation
Firstater, Fausto Nahuel; Narvarte, Maite Andrea; Alvarez, María Fernanda; Fanjul, Maria Eugenia; Iribarne, Oscar Osvaldo; Cordgrass canopy elicits weak effects on sediment properties and microphytobenthic abundance in a harsh environment; Inter-Research; Marine Ecology Progress Series; 550; 5-2016; 101-110
dc.identifier.issn
0171-8630
dc.identifier.uri
http://hdl.handle.net/11336/23557
dc.description.abstract
The magnitude of the outcome of ecosystem engineering is context-dependent; asenvironmental stresses increase, habitat amelioration by ecosystem engineers becomes more relevant. Moreover, the individual- and population-level traits of ecosystem engineers can affect their ability to reduce environmental stress. On the Patagonian shores of Argentina (SW Atlantic,41° S), the intertidal community is exposed to harsh conditions. We predicted that in this severe environment, variation in the above-ground structure of the smooth cordgrass Spartina alterniflora should buffer the physical stress on the substrate through shading and reduction of wind and water flow energy, ultimately affecting the sediment properties and microphytobenthic biomass. To test this hypothesis, we experimentally manipulated cordgrass density at the edge and inner marsh of a S. alterniflora meadow during both summer and winter. In summer, evaporation andtemperature were higher in clipped plots, while in winter, evaporation varied across densities and location treatments, with higher sediment water content in the inner marsh. No effect of S. alterniflora density or location were observed on sediment organic matter or chl a concentration, and mean sediment grain size was always smaller inside the marsh. In summer, extracellular polymeric substance (EPS) content was higher in clipped plots inside the marsh, however this did not differ from the other density treatments at this location. Overall, shading had weak effects on sediment properties and microphytobenthic biomass, and most observed differences were attributable to grain size. We speculate that the harsh conditions of this system overwhelm the ecosystem engineering effects of S. alterniflora, probably because of its relatively small aboveground biomass.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Inter-Research
dc.rights
info:eu-repo/semantics/embargoedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Ecosystem Engineering ·
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Environmental Stress
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Patagonia
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Salt Marsh
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Spartina
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Ecosystem Engineering ·
dc.subject.classification
Bioquímica y Biología Molecular
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Cordgrass canopy elicits weak effects on sediment properties and microphytobenthic abundance in a harsh environment
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-08-15T14:28:36Z
dc.journal.volume
550
dc.journal.pagination
101-110
dc.journal.pais
Alemania
dc.journal.ciudad
Oldendorf
dc.description.fil
Fil: Firstater, Fausto Nahuel. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Narvarte, Maite Andrea. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Alvarez, María Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
dc.description.fil
Fil: Fanjul, Maria Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Iribarne, Oscar Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.journal.title
Marine Ecology Progress Series
dc.rights.embargoDate
2021-05-26
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.int-res.com/abstracts/meps/v550/p101-110
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3354/meps11726
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