Seabird bycatch in Portuguese mainland coastal fisheries: An assessment through on-board observations and fishermen interviews

Seabird bycatch in Portuguese mainland coastal fisheries: An assessment through on-board observations and fishermen interviews

Competition with fisheries and incidental capture in fishing gear are the major current threats for seabirds at sea. Fishing is a traditional activity in Portugal and is mainly composed of a great number of small vessels. Given the lack of knowledge on effects of the Portuguese fishing fleet on seab...

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Veröffentlicht in:Global ecology and conservation 2015-01, Vol.3 (C), p.51-61
Hauptverfasser: Oliveira, Nuno, Henriques, Ana, Miodonski, Joana, Pereira, Joana, Marujo, Débora, Almeida, Ana, Barros, Nuno, Andrade, Joana, Marçalo, Ana, Santos, Jorge, Oliveira, Isabel Benta, Ferreira, Marisa, Araújo, Helder, Monteiro, Sílvia, Vingada, José, Ramírez, Ivan
Format: Artikel
Sprache:eng
Schlagworte:
Bycatch
Coastal
Fisheries
Portugal
Seabird
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Beschreibung
Zusammenfassung:Competition with fisheries and incidental capture in fishing gear are the major current threats for seabirds at sea. Fishing is a traditional activity in Portugal and is mainly composed of a great number of small vessels. Given the lack of knowledge on effects of the Portuguese fishing fleet on seabird populations, bycatch was assessed in mainland coastal waters for 2010–2012. Interviews and on-board data were divided into 5 strata, according to fishing gear: Bottom trawling, Bottom longline, Purse seine, Beach seine, Polyvalent (≥12  m) and Polyvalent (
ISSN:2351-9894
2351-9894
DOI:10.1016/j.gecco.2014.11.006