Results 61 to 70 of about 1,763 (196)
Climate Change Will Enhance Hypercapnic Hypoxia Threatening Mangrove Habitats
Abstract Mangroves host many marine species and support fisheries in developing (sub)tropical countries. The suitability of mangrove habitats depends strongly thier the water chemistry. Here, we show how global warming and rising atmospheric CO2 will reduce dissolved oxygen and increase CO2 in mangrove waters.
Gloria M. S. Reithmaier +4 more
wiley +1 more source
Tucurui dam and the population of the prawn Macrobrachium amazonicum int the Lower Tocantins (Pa-Brazil) : a four-year study [PDF]
A four-year survey of the prawn #Macrobrachium amazonicum$ (Heller, 1862) on the Tocantins river studies the short-term impact of the Tucurui hydroelectric project on downstream fishery and reservoir populations.
Odinetz Collart, Olga
core
Effect of Intensification on Grow Out of the Amazon River Prawn, Macrobrachium amazonicum
Abstract The effects of intensification on growth, survival, productivity, population structure, and distribution of harvested biomass in individual size classes of Macrobrachium amazonicum in semi‐intensive culture were evaluated. Postlarvae (0.01 g) were stocked in 12 ponds at densities of 10, 20, 40, and 80/m2 (three replicates per treatment) and ...
Moraes-Valenti, Patricia M. C. +1 more
openaire +2 more sources
ABSTRACT Understanding the evolutionary history of biological control agents in their native ranges is crucial for improving their selection, establishment, and performance across environmentally diverse regions. Phytophagous insects that specialize on aquatic plants offer particularly valuable models, as their evolutionary trajectories may be shaped ...
Nicolas A. Salinas +5 more
wiley +1 more source
The aim of this study was to evaluate the production of Freshwater Angelfish (Pterophyllum scalare) in different stocking densities in cages polycultured with Amazon River Prawn (Macrobrachium amazonicum).
FELIPE DE AZEVEDO SILVA RIBEIRO +3 more
doaj
We propose YOLOViT‐DETECT, a hybrid model combining an enhanced YOLOv8 with a spatial attention module for fish detection and a ViT‐B/16 transformer for species classification. The method achieves high accuracy in challenging underwater environments, outperforming standalone models.
Mahdi Hamzaoui +3 more
wiley +1 more source
This study aimed to evaluate the role of the Amazon River prawn, Macrobrachium amazonicum, as carrier of Candida spp., by analyzing the correlation between Candida spp. from these prawns and their environment (surface water and sediment), through M13-PCR
Raimunda Sâmia Nogueira Brilhante +12 more
doaj +1 more source
Spread of Amazonian Freshwater Fishes Beyond Their Native Ranges
ABSTRACT The spread and establishment of Amazonian species outside their native ranges through activities such as sport fishing, aquaculture, and the ornamental fish industry may lead to ecological changes in recipient ecosystems. We investigated the global distribution of Amazonian freshwater fish (AFF) and conducted a case study in the upper Paraná ...
Aymar Orlandi Neto +8 more
wiley +1 more source
Abstract The south American silver croaker, Plagioscion squamosissimus, holds significant importance for the artisanal fisheries in the sub‐middle and lower courses of the São Francisco River, located in northeastern Brazil. To investigate the population structure of this species along its longitudinal profile, a total of 150 individuals (50 fish per ...
F. L. Freitas +4 more
wiley +1 more source
This study was conducted in the Crustacean Sector of the Aquaculture Center (CAUNESP) at the São Paulo State University, Jaboticabal (21 ° 15’22”S and 48 ° 18’48”W) São Paulo, Brazil, from December 2003 to May 2004.
Erlei Cassiano Keppeler +2 more
doaj +1 more source

