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Título: | The negative effect of dredging and dumping on shorebirds at a coastal wetland in northern Spain |
Autor: | Arizaga, Juan; Amat, Juan A. CSIC ORCID; Monge-Ganuzas, M. | Palabras clave: | Mudflats Population trends Aquatic bird populations Sandy areas Urdaibai Biosphere Reserve. Conservation Biology |
Fecha de publicación: | 2017 | Editor: | Elsevier | Citación: | Journal for Nature Conservation 37: 1- 7 (2017) | Resumen: | Dredging and/or dumping actions at coastal environments are a common phenomenon worldwide. The re-working of dumped sediments from their disposal sites to places of great ecological value can have a very strong impact on the ecosystems through deep changes over the communities and the trophic web. Using a relevant dredging-dumping episode carried out in 2003 at Urdaibai, one the chief estuary areas in northern Iberia, we tested the consequence of this action on the subsequent use of the zone by shorebirds. The surface sediment characteristics before and after the dredging and dumping actions were also compared. The dredging at Urdaibai showed a negative effect on bird abundance in three out of the eight species tested overall (dunlin, grey plover, common ringed plover). Highest-ranked models supported a decrease in their population sizes two years after the event. In this scenario, local authorities should be appealed to take dredging and dumping effects into account in order to improve the estuary management. | URI: | http://hdl.handle.net/10261/155936 | DOI: | 10.1016/j.jnc.2017.02.006 | Identificadores: | doi: 10.1016/j.jnc.2017.02.006 issn: 1617-1381 |
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Arizaga et al._Dredging.pdf | 698,7 kB | Adobe PDF | Visualizar/Abrir |
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