Artículo

Torre, L.; Tabares, P.C.C.; Momo, F.; Meyer, J.F.C.A.; Sahade, R."Climate change effects on Antarctic benthos: a spatially explicit model approach" (2017) Climatic Change. 141(4):733-746
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Abstract:

The Antarctic Peninsula is one of the regions on the Earth with the clearest evidence of recent and fast air warming. This air temperature rise has caused massive glacier retreat leading to an increased influx of glacier meltwater which entails hydrological changes in coastal waters, increasing sediment input and ice-scouring impact regime. It has been hypothesized that an increase of sediment load due to glacier retreat resulted in a remarkable benthic community shift in Potter Cove, a small inlet of the South Shetland Islands. In order to test this hypothesis, we developed an explicit spatial model to explore the link between sedimentation and ice-scouring increase upon four of the most conspicuous benthic species. This is a valuable novel approach since disturbances are strongly dependent of the space. The model takes into account sediment and population dynamics with Lotka-Volterra competition, a sediment-dependent mortality term and a randomized ice-scouring biomass removal. With the developed algorithm, and using a MATLAB environment, numerical simulations for scenarios with different sedimentation and ice-impact rates were undertaken in order to evaluate the effect of this phenomenon on biological dynamics. Comparing simulation results with biological data, the model not only recreates the spatial community distribution pattern but also seems to be able to recreate the shifts in abundance under sedimentation enhancement, pointing out its importance as a structuring factor of polar benthic communities. Considering the challenges of Antarctic field work, this model represents a powerful tool for assessing, understanding, and predicting the effects of climate change on threatened Antarctic coastal ecosystems. © 2017, Springer Science+Business Media Dordrecht.

Registro:

Documento: Artículo
Título:Climate change effects on Antarctic benthos: a spatially explicit model approach
Autor:Torre, L.; Tabares, P.C.C.; Momo, F.; Meyer, J.F.C.A.; Sahade, R.
Filiación:Marine Ecology, Instituto de Diversidad y Ecología Animal (CONICET-UNC), Universidad Nacional de Córdoba, Facultad de Ciencias Exactas Físicas y Naturales,., Av. Vélez Sarsfield 299, Córdoba, Argentina
Universidad del Quindío, Quindío, Colombia
Instituto de Ciencias, Universidad Nacional de General Sarmiento, Los Polvorines, Buenos Aires, Argentina
INEDES, Universidad Nacional de Luján - CONICET, Luján, Argentina
IMECC, UNICAMP, Campinas, Brazil
Palabras clave:Bioinformatics; Climate models; Ecosystems; Ice; MATLAB; Sedimentation; Sediments; Antarctic Peninsula; Benthic communities; Biological dynamics; Distribution patterns; Hydrological changes; Lotka-Volterra competition; South Shetland Islands; Spatially explicit modeling; Climate change
Año:2017
Volumen:141
Número:4
Página de inicio:733
Página de fin:746
DOI: http://dx.doi.org/10.1007/s10584-017-1915-2
Handle:http://hdl.handle.net/20.500.12110/paper_01650009_v141_n4_p733_Torre
Título revista:Climatic Change
Título revista abreviado:Clim. Change
ISSN:01650009
CODEN:CLCHD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01650009_v141_n4_p733_Torre

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Citas:

---------- APA ----------
Torre, L., Tabares, P.C.C., Momo, F., Meyer, J.F.C.A. & Sahade, R. (2017) . Climate change effects on Antarctic benthos: a spatially explicit model approach. Climatic Change, 141(4), 733-746.
http://dx.doi.org/10.1007/s10584-017-1915-2
---------- CHICAGO ----------
Torre, L., Tabares, P.C.C., Momo, F., Meyer, J.F.C.A., Sahade, R. "Climate change effects on Antarctic benthos: a spatially explicit model approach" . Climatic Change 141, no. 4 (2017) : 733-746.
http://dx.doi.org/10.1007/s10584-017-1915-2
---------- MLA ----------
Torre, L., Tabares, P.C.C., Momo, F., Meyer, J.F.C.A., Sahade, R. "Climate change effects on Antarctic benthos: a spatially explicit model approach" . Climatic Change, vol. 141, no. 4, 2017, pp. 733-746.
http://dx.doi.org/10.1007/s10584-017-1915-2
---------- VANCOUVER ----------
Torre, L., Tabares, P.C.C., Momo, F., Meyer, J.F.C.A., Sahade, R. Climate change effects on Antarctic benthos: a spatially explicit model approach. Clim. Change. 2017;141(4):733-746.
http://dx.doi.org/10.1007/s10584-017-1915-2