Distribution and ecology of living (Rose Bengal stained) Marsipella elongata Norman 1878 (Foraminifera) in the Campos Basin, southeastern Brazilian continental margin

Autor(es):Mostrar menos -

Yamashita, Cintia ^[1] ; Alves Martins, Maria Virginia ^{[2, 3]} ; de Mello e Sousa, Silvia Helena ^[1] ; Vicente, Thaisa Marques ^[4] ; Kaminski, Michael A. ^[5] ; Frontalini, Fabrizio ^[6] ; Carreira, Renato ^[7] ; Godoi, Sueli Susana ^[1] ; Taniguchi, Nancy Kazumi ^[1] ; Paranhos, Rodolfo ^[8] ; Lopes Figueira, Rubens Cesar ^[1] ; de Rezende, Carlos Eduardo ^[9]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Inst Oceanog, Praca Oceanog 191, Cidade Univ, BR-05508120 Sao Paulo, SP - Brazil

^[2] Univ Estado Rio de Janeiro, Fac Geol, Dept Estratig & Paleontol, Av Sao Francisco Xavier, 524, Sala 2020A, BR-20550013 Rio De Janeiro, RJ - Brazil

^[3] Univ Aveiro, GeoBioTec, Dept Geociencias, Campus Santiago, P-3810193 Aveiro - Portugal

^[4] Fundacao Desenvolvimento Tecnol Engn, Rua Catequese 227, BR-05502020 Sao Paulo, SP - Brazil

^[5] King Fahd Univ Petr & Minerals, Geosci Dept, POB 701, Dhahran 31261 - Saudi Arabia

^[6] Univ Urbino Carlo Bo, Dipartimento Sci Pure & Appl, Campus Sci Enrico Mattei, I-61029 Urbino - Italy

^[7] Pontificia Univ Catolica Rio de Janeiro, Dept Quim, BR-22451900 Rio De Janeiro - Brazil

^[8] Univ Fed Rio de Janeiro, Inst Biol, Ave Prof Rodolpho Rocco, 211, Bloco A, Sala A1-071, BR-21941617 Rio De Janeiro, RJ - Brazil

^[9] Univ Estadual Norte Fluminense, Lab Ciencias Ambientais, Ctr Biociencias & Tecnol, Av Alberto Lamego, 2000 Campos Goytacazes, BR-28015620 Rio De Janeiro, RJ - Brazil

• Tipo de documento: Artigo Científico
• Fonte: MICROPALEONTOLOGY; v. 63, n. 5, p. 321-334, 2017.
• Citações Web of Science: 1

Resumo

The distribution of the agglutinated benthic foraminifer Marsipella elongata is studied from 70 oceanographic stations, located between 400 m and 3000 m depth in the Campos Basin (southeastern Brazilian continental margin). Samples of the upper 0-2 cm of surficial sediment were collected during two sampling campaigns in 2008 and 2009. Grain size, total organic carbon, total nitrogen, calcium carbonate, phytopigment, lipids biomarkers (sterols, fatty acids and n-alcohols), total lipids, and bacterial biomass are analyzed as environmental parameters. These data as well as the particulate organic matter flux to the sea floor are compared with the distribution of living (rose Bengal stained) Marsipella elongata. Living specimens of MI elongata occur in the range of 400-3000 m water depth. The distribution of this species appears to be related to relatively high particulate organic matter vertical flux, phytopigment content, and bacterial biomass under the influence of Brazil Current, Intermediate Western Boundary Current and Deep Western Boundary Current conditions (0.3-0.8 m/s). (AU)

• Processo FAPESP: 13/12510-3 - Avaliação da produtividade oceânica no talude continental da Bacia de Campos, margem sudeste brasileira: uma visão a partir de foraminíferos bentônicos e isótopos estáveis
• Beneficiário: Silvia Helena de Mello e Sousa
• Modalidade de apoio: Auxílio à Pesquisa - Regular