Results 51 to 60 of about 188 (152)
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
The present paper is a pioneering study on the Brachyura bycatch associated with the artisan prawn fisheries at the mouth of the Amazon River. The study was conducted at four collection sites distributed along the mouth of the Amazon River between the ...
Jô de Farias Lima +3 more
doaj +1 more source
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 The ecology of forests, their losses, and terrestrial wood decomposition dynamics have been intensively studied and reviewed. In the aquatic realm, reviews have concentrated on large wood (LW) in rivers and the transition from freshwater to marine environments in the Pacific Northwest of North America. However, a comprehensive global synthesis
Jon Dickson +9 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
Digestive proteases from wild and farmed male morphotypes of the Amazon river prawn (Macrobrachium amazonicum) [PDF]
The aim of this study was to characterize digestive proteases from wild and farmed morphotypes in males of Macrobrachium amazonicum (Heller, 1862). The hepatopancreas of wild and earthen pond reared specimens were collected and homogenized. Unspecific activities of trypsin, chymotrypsin and leucine aminopeptidase were determined using specific ...
Silva Santos, Fabio Marcel da +5 more
openaire +2 more sources
In our study, we demonstrate how climate change is degrading fisheries and forest resources in Marajó Island's coastal communities, where we found younger residents and urban‐proximate groups express the strongest concerns. We document how warming temperatures and erratic rainfall are threatening traditional livelihoods, food security, and cultural ...
Davison M. S. Assis +3 more
wiley +1 more source
Experiments were carried out to study the effects of ammonia and nitrite on food consumption of Macrobrachium amazonicum postlarvae. Postlarvae (average weight of 0.0625 g) were exposed during 21 days to four concentrations of total ammonia (0, 1.05, 2.1 and 4.2 mg. NH3+NH4+ L-1) and four concentrations of nitrite (0, 0.075, 0.15 and 0.30 mg N-NO2- L-1)
Bruno Ribeiro de Campos +4 more
openaire +2 more sources
Abstract The efficiency of feed use in aquaculture may be improved by integrating the culture of extractive species into fed‐species systems. This study assessed the impact of including curimba (Prochilodus lineatus) in tambaqui (Colossoma macropomum) production during the grow‐out phase in earthen ponds.
Adriana Ferreira Lima +4 more
wiley +1 more source
Beyond Hard Parts: Metabarcoding Advances Dietary Resolution in Threatened Amazonian Elasmobranchs
ABSTRACT Elasmobranchs are highly vulnerable and are considered one of the most threatened vertebrates worldwide. Insights into diet can improve conservation measures. The bias of traditional morphological methods towards taxa with distinctive hard parts makes metabarcoding analysis a complementary tool to assess diet composition. Here, we analysed the
Alan Érik S. Rodrigues +11 more
wiley +1 more source

