The Cabo Frio upwelling overrides geographical patterns in the population dynamics of the shrimp Artemesia longinaris Spence Bate, 1888 (Decapoda: Penaeidae)

Autor(es)

Carvalho-Batista, Abner ^{[1, 2]} ; Farinelli Pantaleao, Joao Alberto ^[2] ; Castilho, Antonio Leao ^[3] ; da Costa, Rogerio Caetano ^[2]

Afiliação do(s) autor(es)

^[1] Univ Paulista UNIP, Inst Ciencias Saude, Sao Paulo, SP - Brazil

^[2] Sao Paulo State Univ UNESP, Fac Sci, Dept Biol Sci, Lab Biol Freshwater & Marine Shrimp LABCAM, Bauru - Brazil

^[3] UNESP, Biosci Inst Botucatu, Zool Dept, Lab Carcinol, Botucatu, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: MARINE ECOLOGY-AN EVOLUTIONARY PERSPECTIVE; v. 40, n. 2 APR 2019.
• Citações Web of Science: 0

Resumo

Upwelling areas are among the most productive ecosystems on the planet, influencing the biology of marine organisms. This study investigated the population dynamics of the shrimp Artemesia longinaris in two regions in southeastern Brazil, one inside (Macae-Rio de Janeiro State) and one outside (Ubatuba-State of SAo Paulo) the Cabo Frio upwelling area. The aim was to verify the influence of the upwelling phenomenon on the abundance, growth, longevity, size of sexual maturity, and reproductive period of the species. In total, 188,902 individuals were captured at Macae and 3,461 at Ubatuba. Individuals captured at Macae showed larger maximum size, higher longevity, and slower growth rate, besides reaching sexual maturity at larger sizes than at Ubatuba. Continuous reproduction was observed in both regions, with juvenile recruitment peaks in spring and summer. Local conditions observed at Macae were influenced by the Cabo Frio upwelling zone, characterized by productive and cooler waters that are around 20 degrees C during most of the year. The upwelling phenomenon is probably the main factor influencing the population parameters studied here, changing the geographic patterns previously observed for the variation of these parameters in A.longinaris. (AU)

• Processo FAPESP: 09/54672-4 - Biologia reprodutiva e dinâmica populacional dos camarões Penaeoidea (Crustacea, Decapoda) em duas regiões do sudeste brasileiro: efeito latitudinal e proposta para o período de defeso
• Beneficiário: Rogério Caetano da Costa
• Modalidade de apoio: Auxílio à Pesquisa - Regular