Results 41 to 50 of about 117 (104)

Use of side-scan sonar for estimations of Crassostrea brasiliana (Lamarck, 1819) stocks in subtidal banks on the south coast of Brazil

Brazilian Journal of Oceanography, 2016
Uncontrolled extractivism has led to a worldwide reduction in oyster stocks. The use of new and more efficient management tools for impacted environments must increase.
Gisela Geraldine Castilho Westphal, Antonio Ostrensky   +1 more
doaj   +1 more source

Anestesia em ostras do gênero Crassostrea cultivadas no Brasil

Boletim do Instituto de Pesca, 2018
Este estudo avaliou: 1) o tempo necessário para indução í­Â  anestesia e recuperação das ostras Crassostrea rhizophorae, Crassostrea gasar e Crassostrea gigas utilizando cloreto de magnésio (MgCl2); 2) a sobrevivência após anestesia e amostragem gonadal;
Angela PUCHNICK-LEGAT, Jefferson Francisco Alves LEGAT, Carlos Henrique Araújo de Miranda GOMES, Simone SUHNEL, Claudio Manoel Rodrigues de MELO   +4 more
doaj  

Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais

VertigO, 2014
Bioaccumulation of cadmium, lead and arsenic in fish and bivalves commonly caught in Togo lagoon system was evaluated in order to estimate the health risks associated with their use. The results showed that all analyzed fish are contaminated.
Kamilou Ouro-Sama, Hodabalo Dheoulaba Solitoke, Kissao Gnandi, Komlan Mawuli Afiademanyo, Essô Joseph Bowessidjaou   +4 more
doaj   +1 more source

Relation between Physiological Variations and Economic Feasibility in Farmed Mangrove Oysters (Crassostrea gasar) in Subtropical Estuary [PDF]

Brazilian Archives of Biology and Technology
This study evaluates the physiological changes in mangrove oyster Crassostrea gasar in adult individuals cultivated in subtropical estuarine environments. To assess mortality at different salinities, 0 to 35 g L-1 concentrations were used.
Edison Barbieri, Marcos Bührer Campolim, Ana Lúzia de Souza Araújo, Marcelo Barbosa Henriques   +3 more
doaj   +1 more source

Reproductive cycle of Crassostrea gasar cultivated in three different locations at the Estuarine Complex of Paranaguá (PR)

Ocean and Coastal Research
The reproductive cycle is an essential aspect of oyster farming. Understanding the period of each sexual stage aids in planning oyster harvest, seed collection with artificial collectors, and reproductive season for hatchery seed production.
Taís Serpa Afonso, Evelyn Zenira de Araújo, Simone Sühnel, Rodolfo Luis Petersen, Francisco José Lagreze-Squella   +4 more
doaj   +2 more sources

Influência da salinidade sobre a sobrevivência e crescimento de Crassostrea gasar

Boletim do Instituto de Pesca, 2018
O objetivo deste trabalho foi avaliar o efeito da salinidade sobre o crescimento e a sobrevivência da ostra-do-mangue Crassostrea gasar. Em laboratório foi realizado ensaio com 10 tratamentos em triplicata, correspondentes a valores crescentes de ...
Izabel Cristina da Silva Almeida FUNO, Ícaro Gomes ANTONIO, Yllana Ferreira MARINHO, Alfredo Olivera GÁLVEZ   +3 more
doaj  

Synergy between Seasonality and Climatic Anomaly and their Effects on the Growth of Oysters Cultivated in the Amazon Coast

Brazilian Archives of Biology and Technology
In this study, we aimed to evaluate the synergistic effect between the Amazon seasonality and the El Niño climate anomaly (2015/16 event) on the growth of oysters cultivated on the Amazon coast in comparison with the growth of oysters in a normal year ...
Rafael Anaisce das Chagas, Mara Rúbia Ferreira Barros, Wagner César Rosa dos Santos, Marko Herrmann   +3 more
doaj   +1 more source

Maturação da ostra nativa Crassostrea gasar submetida a diferentes dietas em laboratório

Boletim do Instituto de Pesca, 2018
Este estudo avaliou a influência de diferentes dietas microalgais sobre a maturação do tecido gonádico da ostra nativa Crassostrea gasar em laboratório, entre março e maio de 2010, totalizando 60 dias.
Cassio de Oliveira RAMOS, Jaime Fernando FERREIRA, Cláudio Manoel Rodrigues de MELO   +2 more
doaj  

Diatoms of Gut Content of Crassostrea gasar (Bivalvia: Ostreidae) (Adanson, 1757) Cultivated in an Amazonian Estuary (Emboraí Velho, Northern Brazil)

Limnological Review
The present study investigated the gut contents of oysters cultivated in the Emboraí Velho Estuary (Amazonian littoral), focusing on the analysis of diatoms.
Barbara de Fátima Oliveira da Silva, Antonio Rafael Gomes de Oliveira, João Victor de Moraes Souza Pinheiro, Brenda Ribeiro Padilha da Silva, Remo Luan Marinho da Costa Pereira, Luci Cajueiro Carneiro Pereira, Rauquírio Marinho da Costa   +6 more
doaj   +1 more source

Evaluation of Paralytic Shellfish Toxins in Marine Oyster Farming and Microalgae in the Atlantic Amazon Evidences Safety but Highlights Potential Risks of Shellfish Poisoning. [PDF]

Toxins (Basel), 2022
Alves FADS, de Sousa EB, Martins MP, da Silva Rocha CC, Faustino SMM, Mendes RA, de Oliveira Lima M, Schneider MPC.   +7 more
europepmc   +1 more source