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POPULATIONAL DYNAMIC OF "BARBA-RUÇA" SHRIMP Artemesia longinaris (BATE, 1888) (CRUSTACEA, DECAPODA, PENAEIDAE) IN TWO DIFFERENT PERIODS (OVER A RANGE OF 20 YEARS) IN SOUTHEASTERN OF BRAZIL

Grant number: 15/13607-6
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2016
Effective date (End): February 28, 2017
Field of knowledge:Biological Sciences - Zoology - Applied Zoology
Principal researcher:Adilson Fransozo
Grantee:Camila Hipolito Bernardo
Home Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

The increase of the fishing and the consequent reduction of shrimp stocks considered most commercially successful, give rise an expansion in the exploitation of other species of shrimp like the Artemesia longinaris. This shrimp has distribution restricted to the western Atlantic, the Rio de Janeiro (Brazil) to Argentina and may be caught from shallow waters up to 30 meters. These being benthic shrimp the trawling can generate several impacts upon the ecosystem. This study aimed compare the population dynamics of A. longinaris in two distinct periods (November / 1988 to October / 1989) and (November / 2008 to October / 2009) in the Fortaleza Bay, located in Ubatuba city, northern coast from Sao Paulo State. The collections were performed monthly from 7 transects during one year in each period using a shrimp-fishing boat equipped with double-rig nets (mesh size 20 mm and 15 mm in the cod end) was used for trawling. After each trawling the shrimps were conditioned in thermal boxes for later identified, counted, measured and classified according to the developmental stage of the gonads, in the laboratory. In each transect water samples were collected to measure the bottom and surface temperature, bottom salinity and sediment to verify content of organic matter and mean of grain size. Data will be analyzed to define distribution patterns spatiotemporal, influences of environmental factors on distribution patterns of individuals, populational structure, sex ratio and recruitment. This study will be able assess conditions of the species, at an interval than twenty years and increase management measures with the objective to preserve natural stocks.

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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)
BERNARDO, CAMILA HIPOLITO; SANCINETTI, GUSTAVO SERGIO; DE SOUSA, ALINE NONATO; DA SILVA, THIAGO ELIAS; DA COSTA, ROGERIO CAETANO; FRANSOZO, ADILSON. Reproduction of the South American endemic shrimp Artemesia longinaris in a marine protected area. INVERTEBRATE REPRODUCTION & DEVELOPMENT, v. 62, n. 4, p. 229-238, 2018. Web of Science Citations: 0.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)

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