Título:
Testing macroecological hypotheses in sandy beach populations: the wedge clam Donax hanleyanus in South America
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Autor:
Risoli, M. C.
Piola, Alberto
Defeo, Omar
Luzzatto, D.
Celentano, Eleonora
Lomovasky, B. J.
Piola, Alberto
Defeo, Omar
Luzzatto, D.
Celentano, Eleonora
Lomovasky, B. J.
Tutor:
Tipo de documento:
Artículo
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Palabras clave:
Bivalve
Macroecology
Environmental correlates
Life-history traits
Macroecology
Environmental correlates
Life-history traits
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Año de publicación:
2023
Contenido:
Resumen:
Large-scale spatial and temporal variability in environmental conditions may result in differences in life-history traits, population demography, and abundance of sandy-beach species. We analyzed the effects of salinity, chlorophyll a (chl a), and sea surface temperature (SST) on population parameters of the wedge clam Donax hanleyanus from 75 South American sandy beaches covering a 15° latitudinal range. Generalized modeling results showed that betweenbeach differences in abundance, population structure, growth performance, productivity, mortality, and individual shell mass were mainly explained by salinity fluctuations, with chl a and SST
as secondary contributors, overriding, in most cases, local habitat features (Dean’s parameter, grain size, slope). Our results provide valuable insights into macroscale ecological processes, setting a basis to delineate conservation guidelines at large spatial scales that respond to the potential effects of climate variability and change on sandy beach populations.
Descripción:
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Editorial:
John Wiley
EN:
Marine Ecology Progress Series, 2023, 707: 43-56.
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Citación:
Risoli, M, Piola, A, Defeo, O [y otros autores]. "Testing macroecological hypotheses in sandy beach populations: the wedge clam Donax hanleyanus in South America". Marine Ecology Progress Series. [en línea] 2023, 707: 43-56. 14 h. DOI: 10.3354/meps14264.
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ISSN:
1616-1599
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Licencia:
Licencia Creative Commons Atribución (CC - By 4.0)
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| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| 10.3354.meps14264.pdf | — | 1.73 MB | Adobe PDF |