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How illegal capture of Glass Eel (Anguilla anguilla) affect biodiversity in Tagus river
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Autores
Orientador(es)
Resumo(s)
The eel is a catadromous fish that grows in rivers and spawns in the sea.
Every year, between November and the end
of March, when glass eels migrate up river,
illegal nets catch them in the Tagus River
(downstream of the estuary, in Portugal).
Every day, authorities organise policing
actions to capture illegal nets placed in river specifically intended to capture glass eels.
Usually, the seized nets are filled with glass eels and other species, since the net is very narrow (1-2 mm); it therefore captures everything. The mortality rate caused by these is huge and affects the eel’s
preservation and the river’s biodiversity.
Descrição
Palavras-chave
Eel Glass eel Illegal nets Policing actions Biodiversity Tagus river
Contexto Educativo
Citação
Garcia, Jorge; Seixas Sónia - How illegal capture of Glass Eel (Anguilla anguilla) affect biodiversity in tagus river. In HSci 2014. International Conference on Hands-on Science, 11, Aveiro, 2014 - "Hands-on Science [Em linha] : science education with and for society : proceedings". Editado por Manuel Filipe P. C. Martins Costa, Pedro Miguel Marques Pombo, José Benito Vasquez Dorrío. [S. l.] : Hands-on Science Network, 2014. ISBN 978-989-98032-5-1. p. 324-330
Editora
Hands-on-Science Network