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Título: | Attachment strength of the mussel Mytilus galloprovincialis: effect of habitat and body size |
Autor: | Babarro, José M. F. CSIC ORCID; Carrington, Emily | Palabras clave: | Attachment Byssus mechanics Efficiency Habitat Mussel size |
Fecha de publicación: | 2013 | Editor: | Elsevier | Citación: | Journal of Experimental Marine Biology and Ecology 443: 188-196 (2013) | Resumen: | Marine organisms adapt to a wide variety of environments, often altering their morphology and behavior in response to local habitat. This study addressed the effects of habitat (wave exposure) and body size on the morphology and byssal attachment of mussels within the same estuary. Tenacity of the mussel Mytilus galloprovincialis was higher at the exposed site, particularly for the smaller size classes. This was largely due to differences in thread thickness; mussels from the exposed site produced thicker and stronger byssal threads. For a given shell length, exposed mussels also produced thicker and smaller shells and had lower gonadal condition. In laboratory flume experiments, both thread production and mechanical performance (strength and extensibility) decreased with increased flow, suggesting that flow alone does not explain tenacity differences between sites. Altogether, these analyses suggest that mussels at exposed sites allocate resources to reduce risk of dislodgment (smaller and thicker shell, stronger byssal threads) instead of growth and reproduction, and these allocation differences between sites are less apparent in larger size classes. The lack of the largest size class (8 cm) at the exposed site may reflect an upper limit to size imposed by wave induced mortality, where attachment strength does not keep pace with hydrodynamic loading. | Descripción: | 9 páginas, 6 figuras, 4 tablas | Versión del editor: | http://dx.doi.org/10.1016/j.jembe.2013.02.035 | URI: | http://hdl.handle.net/10261/74441 | DOI: | 10.1016/j.jembe.2013.02.035 | ISSN: | 0022-0981 |
Aparece en las colecciones: | (IIM) Artículos |
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Attachment_strenght_mussel.pdf | 252,36 kB | Adobe PDF | Visualizar/Abrir |
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