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Ecological distribution and population dynamics of shrimp Nematopalaemon schmitti (Holthuis, 1950) (Caridea, Palaemonidae) in the region of Macaé/RJ, Brazil.

Grant number: 10/13008-1
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2012
Effective date (End): February 28, 2013
Field of knowledge:Biological Sciences - Zoology - Morphology of Recent Groups
Principal researcher:Rogério Caetano da Costa
Grantee:Daphine Ramiro Herrera
Home Institution: Faculdade de Ciências (FC). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil

Abstract

The knowledge of the ecological distribution provides information, which allows a more appropriate monitoring of the preferred habitats of the species, facilitating the understanding of its relationship with environmental factors, directing efforts to a better management of natural stocks. Another important factor is the establishment of population dynamics, in which the main focus is the breeding season, sexual maturity, juvenile recruitment and sex ratio. They provide a basis for the implementation of management plans, which propitiates the preservation of species. Thus, this study aims to contribute to a better understanding of the biology of shrimp Nematopalaemon schmitti, focusing on its distribution in relation to environmental factors by examining the reproductive period, sexual maturity, juvenile recruitment and sex ratio, on Macaé Coast region. With a shrimp boat, six transects will be sampled, in areas up to 20m depth. Each transect will have a sampling effort of 30 minutes covered. Statistical tests will be employed according to the proposed objectives and obtained results in this study. The expected result is generating biological and ecological information, fundamental to understanding their life cycle. Such knowledge becomes necessary for the administration of a controlled and sustainable fishing, as well as preservation of other species that have no commercial interest, but participate directly in the trophic chain.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
HERRERA, DAPHINE R.; DAVANSO, THIAGO MAIA; COSTA, ROGERIO C.. Effects of the upwelling system on the assessment of reproductive parameters of the caridean shrimp Nematopalaemon schmitti (Holthuis, 1950) in the Western Atlantic. MARINE ECOLOGY-AN EVOLUTIONARY PERSPECTIVE, v. 42, n. 2, . (10/50188-8, 09/54672-4, 10/13008-1, 18/13685-5)
HERRERA, DAPHINE RAMIRO; DAVANSO, THIAGO MAIA; DA COSTA, ROGERIO CAETANO. Relative growth and morphological sexual maturity of the caridean shrimp Nematopalaemon schmitti (Decapoda: Caridea: Palaemonidae) in an upwelling region in the Western Atlantic. INVERTEBRATE REPRODUCTION & DEVELOPMENT, v. 62, n. 1, p. 56-62, . (10/13008-1, 09/54672-4, 10/50188-8)
DAVANSO, T. M.; HIROSE, G. L.; HERRERA, D. R.; FRANSOZO, A.; COSTA, R. C.. Does the upwelling phenomenon influence the population dynamics and management of the seabob shrimp Xiphopenaeus kroyeri (Heller, 1862) (Crustacea, Penaeidae)?. Hydrobiologia, v. 795, n. 1, p. 295-311, . (09/54672-4, 10/13008-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
HERRERA, Daphine Ramiro. Distribuição ecológica e dinâmica populacional do camarão barriga branca Nematopalaemon schmitti (Holthuis, 1950) (Caridea, Palaemonidae) na região de Macaé-RJ, Brasil. 2013. Master's Dissertation - Universidade Estadual Paulista (Unesp). Instituto de Biociências. Botucatu Botucatu.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.