Data/hora: 07/06/2024 03:43:37

Provedor de dados: | 104
País: | Brazil
Título: | Population biology of spine shrimp Exhippolysmata oplophoroides (Holthuis) (Caridea, Hippolytidae) in a subtropical region, São Paulo, Brazil
Autores: | Fransozo,Vivian; Costa,Rogério C.; Bertini,Giovana; Cobo,Valter J.
Data: | 2005-12-01
Ano: | 2005
Palavras-chave: | Distribution; Population structure; Reproduction; Southeastern Brazil; Spine shrimp.
Resumo: | The population biology of Exhippolysmata oplophoroides (Holthuis, 1948) was studied in Ubatuba Bay (23º26'S, 45º02'W), Ubatuba, São Paulo, Brazil, from September/1995 to August/1996. Each sampling comprised eight transects (14 000 m² each), sampled monthly with three repetitions. The specimens were classified with respect to the presence or absence of eggs in the abdominal appendages. Spine-shrimps occurred only on six transects, being most abundant on transect II, with the highest incidence in late spring and throughout the summer months. Ovigerous and non-ovigerous shrimps were present year-round, in an approximately similar proportion (1:1). Site II in Ubatuba Bay is characterized by high salinity and oxygen values, temperature between 26 and 29ºC, low organic matter content in the sediment, and a bottom composed of very fine sand; these environment and biological features allow the establishment and maintenance of the population of E. oplophoroides.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000400037
Editor: | Sociedade Brasileira de Zoologia
Relação: | 10.1590/S0101-81752005000400037
Formato: | text/html
Fonte: | Revista Brasileira de Zoologia  v.22 n.4 2005
Fonte: | info:eu-repo/semantics/openAccess