期刊缩写 BRAZ J OCEANOGR
期刊全称 BRAZILIAN JOURNAL OF OCEANOGRAPHY 巴西海洋学杂志
期刊ISSN 1679-8759
2013-2014最新影响因子 0.534
期刊官方网站 http://www.scielo.br/scielo.php?lng=en&nrm=iso&pid=S1679-87592012000300001&script=sci_arttext&tlng=en
期刊投稿网址
通讯方式 INST OCEANOGRAFICO, UNIV SAO PAULO, PRACA DO OCEANOGRAFICO, 191, CIDADE UNIVERSITARIA, SAO PAULO, BRAZIL, SP, 00000
涉及的研究方向 地学-海洋学
出版国家 BRAZIL
出版周期 Quarterly
出版年份 0
年文章数 28
PubMed Central (PMC)链接 http://www.ncbi.nlm.nih.gov/nlmcatalog?term=1679-8759%5BISSN%5D
平均审稿速度(网友分享经验) >12周,或约稿
平均录用比例(网友分享经验) 容易
Published by Instituto Oceanográfico, Universidade de S?o Paulo. ISSN: 1679-8759.
O Brazilian Journal of Oceanography é uma publica??o trimestral,com arbitragem, destinada a divulgar trabalhos e notas originais nos diversos campos da Oceanografia, a saber: Oceanografia Biológica, Oceanografia Física, Oceanografia Química, Oceanografia Geológica e Pesca. Além dos fascículos anuais da revista, poder?o ser editados números especiais decorrentes de eventos como Simpósios, Congressos e Programas institucionais.
Population biology of Stellifer rastrifer, S. brasiliensis and S. stellifer in Caraguatatuba Bay, northern coast of S?o Paulo, Brazil
ABSTRACT
Ecosystems may reflect environmental changes in many respects, from the debilitation of individuals to alterations in community composition. Equally, population parameters may provide reliable indications of environmental changes. Members of the sciaenid fish genus Stellifer are usually very abundant where they occur, often with two or more species living in sympatry. Here, the population dynamics of three Stellifer species from southeastern Brazil were assessed. Sampling was carried out in shallow marine areas of Caraguatatuba Bay, from August 2003 to October 2004. The species evaluated were Stellifer rastrifer (n=3183), S. brasiliensis (n=357) and S. stellifer (n=116). The area under greater continental influence tended to support more, but smaller individuals. Size variations over time were similar among species and negatively correlated with Krel, which showed smooth fluctuations. The general length-frequency distribution was concentrated between 6.0 and 9.0 cm, and the great majority of females did not present mature gonads during the sampling period. The findings support the existence of a stratification by size for these species, indicating that the area is essential for the development of younger fish. Failure to consider these characteristics for the management of similar areas may have serious implications for these environments.
Descriptors: Stellifer, sympatric species, shallow continental shelf waters, spatio-temporal distribution, sexual characterization, weight-length relationship. |