Data/hora: 05/06/2024 08:07:50

Provedor de dados: 	83	
País: 	Brazil	
Título: 	Fishers' ecological knowledge of smalleye hammerhead, Sphyrna tudes , in a tropical estuary	
Autores: 	Giglio,Vinicius J.; Bornatowski,Hugo.	
Data: 	2016-01-01	
Ano: 	2016	
Palavras-chave: 	Abrolhos Bank; Artisanal fishing; Coastal shark; Elasmobranch; Fisheries management.	
Resumo: 	ABSTRACT Coastal hammerheads have suffered from overexploitation and environmental degradation. We interviewed 79 artisanal fishers to verify fishery aspects, temporal changes in catches and biological aspects of the smalleye hammerhead, Sphyrna tudes , in a marine protected area on Abrolhos Bank, Brazil. Data were compared between three generations of fishers: young, middle-aged and old. Fishers' age varied between 17 and 88 years. We verified significant reductions in the weight of individuals caught by younger fishers. The main types of fishing gear used to catch S. tudes were gill nets and longlines. Overfishing through gill nets and trawl fisheries were mentioned as the cause of S. tudes population collapse in the region. The shark's diet as reported by fishers consisted of fish, crab and shrimp; austral summer was the reproductive season. A strong similarity was verified between fishers' knowledge and biological data. We suggest as plausible strategies to conserve the local population of S. tudes the reduction of net fisheries impact through zoning and establishment of no take areas. These steps can help to initiate the recovery of this depleted species.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252016000200203	
Editor: 	Sociedade Brasileira de Ictiologia	
Relação: 	10.1590/1982-0224-20150103	
Formato: 	text/html	
Fonte: 	Neotropical Ichthyology  v.14 n.2 2016	
Fonte: 	info:eu-repo/semantics/openAccess