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Species delimitation, comparative phylogeography and conectivity of Peracarida (Crustacea: Eumalacostraca) associated with Sargassum in Brazil with emphasis on insular populations

Grant number: 18/00488-7
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): October 01, 2018
Effective date (End): February 28, 2022
Field of knowledge:Biological Sciences - Zoology - Applied Zoology
Principal researcher:Fosca Pedini Pereira Leite
Grantee:Tammy Iwasa Arai
Home Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

The crustacean superorder Peracarida presents a unique lack of larval phase and consequent low dispersion, leading to high rates of endemism. Among the most diverse orders of Peracarida are Amphipoda, Isopoda and Tanaidacea, which are also the main groups of crustaceans associated with macrophyte banks. Despite the low dispersive rate of such groups of crustaceans, recent changes in surface currents may have displaced masses of the brown seaweed of the genus Sargassum, possibly carrying with them alien species. To date, studies of phylogeography of Peracarida in Brazil are scarce, and practically null in coastal and oceanic islands. The main objectives of this project are to understand and to recover the evolutionary history of Peracarida species considered widely distributed in coastal and oceanic islands, to compare with continental populations and to understand the biogeography of the possible species complexes of the most representative genera of Peracarida associated with Sargassum. Therefore, it is expected to understand the genetic structuring patterns of the key species with low dispersion crustaceans in isolated environments. This is the first phylogeographic study of Peracarida in Brazilian islands and aims to contribute to the knowledge of distribution and evolution of some of the main groups of Crustacea.

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Scientific publications (6)
(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)
FREIRE, ANDREA S.; TESCHIMA, MARIANA M.; BRANDAO, MANOELA C.; IWASA-ARAI, TAMMY; SOBRAL, FERNANDO C.; SASAKI, DALTON K.; AGOSTINIS, ANDRE O.; PIE, MARCIO R. Does the transport of larvae throughout the south Atlantic support the genetic and morphometric diversity of the Sally Lightfoot Crabs Grapsus grapsus (Linnaeus, 1758) and Grapsus adscensionis (Osbeck, 1765) (Decapoda: Grapsidae) among the oceanic islands?. JOURNAL OF MARINE SYSTEMS, v. 223, NOV 2021. Web of Science Citations: 0.
LEITE SIQUEIRA, SILVANA GOMES; RIBEIRO MANSUR, KARINE FERREIRA; IWASA-ARAI, TAMMY; PEREIRA LEITE, FOSCA PEDINI. First observations on surface activity of sandy beach arthropods at the pristine marine reserve of Rocas Atoll, northeastern Brazil. REGIONAL STUDIES IN MARINE SCIENCE, v. 44, MAY 2021. Web of Science Citations: 0.
IWASA-ARAI, TAMMY; SIQUEIRA, SILVANA G. L.; SEGADILHA, JULIANA L.; LEITE, FOSCA P. P. The Unique Amphipoda and Tanaidacea (Crustacea: Peracarida) Associated With the Brown Algae Dictyota sp. From the Oceanic Trindade Island, Southwestern Atlantic, With Biogeographic and Phylogenetic Insights. FRONTIERS IN MARINE SCIENCE, v. 8, APR 12 2021. Web of Science Citations: 0.
SICILIANO, SALVATORE; CARDOSO, JULIO; FRANCISCO, ARLAINE; DE SOUZA, SHIRLEY P.; HAUSER-DAVIS, RACHEL ANN; IWASA-ARAI, TAMMY. Epizoic barnacle (Xenobalanus globicipitis) infestations in several cetacean species in south-eastern Brazil. MARINE BIOLOGY RESEARCH, v. 16, n. 5 JUL 2020. Web of Science Citations: 0.
TAMMY IWASA-ARAI; HUGO GALLO NETO; RAQUEL BENETON FERIOLI; MAX RONDON WERNECK. Notes on amphipods associated with loggerhead marine turtle Caretta caretta (Linnaeus, 1758) in south-eastern Brazil. Nauplius, v. 28, p. -, 2020. Web of Science Citations: 0.
IWASA-ARAI, TAMMY; SIQUEIRA, SILVANA GOMES LEITE; DE OLIVEIRA MACHADO, GLAUCO BARRETO; PEREIRA LEITE, FOSCA PEDINI. Phylogenetic reconstruction of the genus Pseudaeginella (Amphipoda: Caprellidae), with the description of a new species from Brazil. SYSTEMATICS AND BIODIVERSITY, v. 17, n. 2 MAR 2019. Web of Science Citations: 0.

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