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Título: | The magnitude of behavioural responses to artificial light at night depends on the ecological context in a coastal marine ecosystem engineer |
Autor: | Nuñez, Jesús D.; Sbragaglia, Valerio CSIC ORCID ; Spivak, Eduardo D.; Chiaradia, N.M.; Luppi, T.A. | Palabras clave: | Light pollution Behaviour Feeding Estuarine crabs Ecosystem effects |
Fecha de publicación: | mar-2021 | Editor: | Elsevier | Citación: | Marine Environmental Research 165: 105238 (2021) | Resumen: | Artificial light at night (ALAN) is one of the most extensive human geographic disturbances to wildlife. ALAN can have ecological and evolutionary effects on individual organisms, which in turn can affect populations, communities and ecosystems. Although understanding of the effects of ALAN on the ecology and biology of organisms has increased in recent years, most of these advances are in terrestrial environments, but scarce in marine habitats, especially in ecologically important transition areas such as saltmarshes. Here, we study the effects of ALAN on the behavioural budget (i.e. the proportion of time spent performing feeding, burrow maintenance and concealment) of the South American intertidal crab Neohelice granulata, which is an ecosystem engineer of coastal salt marshes. Moreover, we compared the impact of a gradient of ALAN between two different saltmarshes with contrasting environmental characteristics. Our results showed a relationship between ALAN and the behavioural budget. In particular, we showed that an increase in ALAN drove an increase in time spent maintaining burrows at the expense of time spent concealed in the burrow or feeding outside it. Such effects showed slightly different patterns in the two saltmarshes, possibly related to the reproductive value of burrows for mating and to predation risk. Considering the ecosystem role of N. granulata, we argue that the different effect of ALAN on its behavioural budget could have ecosystem effects that differ between the two saltmarshes studied here | Descripción: | 8 pages, 6 figures, 1 table, supplementary data https://doi.org/10.1016/j.marenvres.2020.105238 | Versión del editor: | https://doi.org/10.1016/j.marenvres.2020.105238 | URI: | http://hdl.handle.net/10261/229093 | DOI: | 10.1016/j.marenvres.2020.105238 | ISSN: | 0141-1136 |
Aparece en las colecciones: | (ICM) Artículos |
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Nuñez_et_al_2021_postprint.pdf | 1,28 MB | Adobe PDF | Visualizar/Abrir | |
Nuñez_et_al_2021_suppl.pdf | 169,47 kB | Adobe PDF | Visualizar/Abrir | |
Nuñez_et_al_2021_suppl_video_1.mp4 | 9,35 MB | MP4 | Visualizar/Abrir | |
Nuñez_et_al_2021_suppl_video_2.mp4 | 28,65 MB | MP4 | Visualizar/Abrir |
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