Results 21 to 30 of about 473,483 (200)

Reproductive biology of Cetengraulis edentulus (Cuvier, 1829), the major fishery resource in Guanabara Bay, Brazil

Neotropical Ichthyology
Cetengraulis edentulus is a broadely distributed engraulid in Southwest Atlantic, currently accounting for the main fish species commercially exploited at Guanabara Bay, Brazil. This study aimed to extend the knowledge on reproduction of C.
Ana Clara Sampaio Franco, Daniel Shimada Brotto, David Man Wai Zee, Luciano Neves dos Santos   +3 more
doaj   +2 more sources

Microbiological Quality and Analysis of Escherichia coli Resistance to Antibiotics in Beaches: Evaluating Anthropic Influence in Surface Waters in Brazil. [PDF]

Water Environ Res
Anthropic activities and untreated wastewater promote the dissemination of antibiotic‐resistant E. coli (83.3% of isolates) in coastal waters, increasing environmental contamination and public health risks. ABSTRACT Antimicrobial resistance is a problem for public health.
Elias MM, Henrique FDR, Gomes PR, Dos Santos DG, Rangel RR, Mendonça LA, de Vasconcelos EC, Dziedzic M, de Oliveira CMR.   +8 more
europepmc   +2 more sources

Evaluation of a portable glucometer for blood glucose measurement in juvenile green sea turtles (Chelonia mydas). [PDF]

Aust Vet J
Blood glucose is a key physiological indicator in sea turtles, but its measurement in field settings can be challenging. Portable point‐of‐care (POC) glucometers offer practicality, yet their agreement with reference laboratory methods has not been established for juvenile green sea turtles (Chelonia mydas) from the Southwestern Atlantic.
Pérez Y, Chenard MG, Martinez-Souza G, Ney V, Russano K, de Menezes Paes J, Lemos VZ, de Freitas BA, de Souza KM, da Silva J, Gião T, Dos Santos LV, de Freitas Campos C, Helayel MA, Mársico ET, de Alencar NX, da Silva K.   +16 more
europepmc   +2 more sources

Bioavailability of Organic Matter in the Superficial Sediment of Guanabara Bay, Rio de Janeiro, Brazil [PDF]

Anuário do Instituto de Geociências, 2011
Thirty superficial sediment samples were collected in Guanabara Bay in order to identify new trophic state and environmental quality descriptors for coastal systems.
José Augusto Pires Bitencourt, Frederico Sobrinho Silva, Leandro Viana Guerra, Mirian Araújo Carlos Crapez, José Antônio Baptista-Neto, Fernanda Savergnini   +5 more
doaj   +1 more source

Reproductive plasticity and environmental tolerance of invasive African catfish (Clarias gariepinus) in a tropical Brazilian river. [PDF]

J Fish Biol
Abstract Invasive alien species (IAS) pose a significant threat to biodiversity, particularly when endowed with high ecological and reproductive plasticity. The African catfish, Clarias gariepinus, is one such species, widely recognized for its ability to colonize and establish in diverse tropical ecosystems.
Dumith MT, Dos Santos AFGN.
europepmc   +2 more sources

Spatial distribution of pollen grains and spores in surface sediments of Guanabara Bay, Rio de Janeiro, Brazil

Anais da Academia Brasileira de Ciências, 2012
Aiming to investigate the deposition of pollen grains and spores in Guanabara Bay, Rio de Janeiro State, 61 surface sediment samples were analyzed. The results showed that the current deposition of palynomorphs in surface sediments of Guanabara Bay ...
Cintia F. Barreto, Claudia G. Vilela, José A. Baptista-Neto, Ortrud M. Barth   +3 more
doaj   +2 more sources

A new endemic pearl cichlid of the 'Geophagus' brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil. [PDF]

J Fish Biol
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
de Assis CE, Dergam JA, Cunha AF, Machado VN, Hrbek T, Vicente NMF, de Queiroz V, Henschel E.   +7 more
europepmc   +2 more sources

Do Boat Traffic and Habitat Features Shape Habitat Use by Guiana Dolphins (<i>Sotalia guianensis</i>) in a Brazilian Estuary? [PDF]

Ecol Evol
This study investigates how boat traffic and environmental factors shape the spatial distribution and habitat selection of Guiana dolphins in a northeastern Brazilian estuary. Although dolphins and boats overlapped broadly—particularly in deeper waters—dolphins showed a preference for areas with lower boat traffic, greater depths, and proximity to ...
Lima A, Giné GAF, Cruz KTS, Teixeira NN, Strenzel GMR, Le Pendu Y.   +5 more
europepmc   +2 more sources

Future Guanabara Bay Clean-up: Rio de Janeiro’s Hillslope Favelas Ought to Be its Amicable Pinnacles [PDF]

, 2021
: This article brings a social discussion about the surroundings of Guanabara Bay, showing that there are technological instruments capable of promoting citizenship and quality of life for the inhabitants of the slum areas.
Cathcart, Richard Brook; GEOGRAPHOS, Burbank, California USA., Serpa, Nilo; Centro Universitário ICESP, Finkl, Charles; Florida Atlantic University, Boca Raton, Florida 33431, USA., Richard Brook Cathcart, Charles Finkl, Nilo Serpa   +5 more
core   +1 more source

Trophic interactions and metal transfer in marine ecosystems driven by the Peruvian scallop Argopecten purpuratus aquaculture

Journal of the World Aquaculture Society, Volume 53, Issue 2, Page 452-474, April 2022., 2022
Abstract This study investigates the trophic interactions and As and Cd transfer along seven marine ecosystems in Peru. Five of these ecosystems are driven by aquaculture of the Peruvian scallop Argopecten purpuratus. A southward increased gradient of δ15N was observed among the three examined regions along the Peruvian coast.
Iván Loaiza, Gudrun De Boeck, Juan Alcazar, Diego Campos, Susana Cárdenas‐Alayza, María Ganoza, Muriel Gómez‐Sanchez, María Miglio, Marleen De Troch   +8 more
wiley   +1 more source