Data/hora: 11/06/2024 05:34:11

Provedor de dados: | 104
País: | Brazil
Título: | Potencial atrator de tubarões costeiros em recife artificial no litoral norte do estado do Rio de Janeiro, Brasil
Autores: | Faria,Vicente Vieira; Novelli,Ronaldo; Gomes,Marcelo Paes; Zalmon,Ilana Rosental.
Data: | 2001-09-01
Ano: | 2001
Palavras-chave: | Artificial reefs; Coastal sharks; Rio de Janeiro State Northern Coast.
Resumo: | Artificial reefs have been used in many countries to increase coastal fishery productivity. In order to increase fish attraction to the Northern Coast of Rio de Janeiro State, it was installed an artificial reef (1,500 m²) 5 nautical miles off Manguinhos's Bay (São Francisco de ltabapoana, Rio de Janeiro). The artificial structures were made of tires, concrete and cement blocks. A gill net of 125 x 3 m was monthly used in the artificial reef (AR) and in a control area (CA) to determine the effect of the experimental structures on the stock and diversity of coastal sharks. Considering the complexity of a sustainable elasmobranch exploitation, sharks were focused in this study. During 24 months of investigation (April/96 to March/98), a total of 325 individuais distributed in four shark species were captured in the two areas (AR and CA): Mustelus higmani (Springer &amp;amp; Lowe, 1963) (AR = 70; CA = 82 individuals), Rhizoprionodon lalandii (Valenciennes, 1839) (AR = 86; CA = 56 individuals), R. porosus (Poey, 1861) (AR = 16; CA = 14 individuals) and Carcharhinus brachyurus (Günther, 1870) (AR = 1 individual). The attractive potential of the artificial reef is suggested by the predominance of the shark R. lalandii in the reef complex after the first year of monitoring, with the increase of the structures.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Português
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000300017
Editor: | Sociedade Brasileira de Zoologia
Relação: | 10.1590/S0101-81752001000300017
Formato: | text/html
Fonte: | Revista Brasileira de Zoologia  v.18 n.3 2001
Fonte: | info:eu-repo/semantics/openAccess