Results 131 to 140 of about 284 (163)
Diversity and Baits Preference of Flower Flies (Diptera: Syrphidae) Collected Using Van Someren-Rydon Traps in the Colombian Andean-Amazon Piedmont During Two Rainy Seasons. [PDF]
Neotrop EntomolParada-Marin HM +2 more
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Numerical Investigation of Dimensionless Parameters in Carangiform Fish Swimming Hydrodynamics. [PDF]
Biomimetics (Basel)Macías MM +3 more
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Multiple environmental stressors affect predation pressure in a tropical freshwater system. [PDF]
Commun BiolZanghi C +4 more
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Exceptional concentration of fish diversity in Yasuní National Park, Ecuador (Napo River Basin). [PDF]
Biodivers Data JEscobar-Camacho D +4 more
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Search for genes gained by horizontal gene transfer in an entomopoxvirus, with special reference to the analysis of the transfer of an ABC transporter gene. [PDF]
Virus ResSugimoto TN, Jouraku A, Mitsuhashi W.
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Animal Reproduction Science, 2023
Stress situations can be essential to trigger reproduction in fish; however, it may also inhibit it. One of those situations involves the release of the conspecific alarm substance (CAS), a natural stressor, into the water by specific fish epidermal cells after a predator attack. Little is known about the effects of that substance on fish reproduction.
Jeane Rodrigues +9 more
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Stress situations can be essential to trigger reproduction in fish; however, it may also inhibit it. One of those situations involves the release of the conspecific alarm substance (CAS), a natural stressor, into the water by specific fish epidermal cells after a predator attack. Little is known about the effects of that substance on fish reproduction.
Jeane Rodrigues +9 more
openaire +2 more sources
Archives of Environmental Contamination and Toxicology, 2014
Changes in aquatic environments are potentially large, and effects on biota are highly variable. In Santa Catarina State, Brazil, the main sources of pollution in headwaters are wastewater, pesticides, and animal waste, which contain chemical and organic additives, and there is little knowledge about their effects on aquatic organisms.
Juliano André, Bogoni +3 more
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Changes in aquatic environments are potentially large, and effects on biota are highly variable. In Santa Catarina State, Brazil, the main sources of pollution in headwaters are wastewater, pesticides, and animal waste, which contain chemical and organic additives, and there is little knowledge about their effects on aquatic organisms.
Juliano André, Bogoni +3 more
openaire +2 more sources
Journal of Fish Biology, 2022
AbstractAlthough Astyanax bimaculatus is the most representative species of the genus in the Amazon region, there are no cytogenetic studies of A. bimaculatus species in Amazon region. Thus, we aimed to analyse the chromosome complements of specimens from this area using classic and molecular cytogenetic approaches.
Rodrigo Petry Corrêa de Sousa +5 more
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AbstractAlthough Astyanax bimaculatus is the most representative species of the genus in the Amazon region, there are no cytogenetic studies of A. bimaculatus species in Amazon region. Thus, we aimed to analyse the chromosome complements of specimens from this area using classic and molecular cytogenetic approaches.
Rodrigo Petry Corrêa de Sousa +5 more
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Fish Physiology and Biochemistry, 2021
In the last decades, oestrogenic compounds have often been reported in environmentally relevant concentrations in aquatic environments around the world. Most laboratory studies of oestrogens try to understand the effects of a single contaminant, but in natural environments, the effects may be quite different due to interactions with other compounds ...
Alessandro Loureiro Paschoalini +6 more
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In the last decades, oestrogenic compounds have often been reported in environmentally relevant concentrations in aquatic environments around the world. Most laboratory studies of oestrogens try to understand the effects of a single contaminant, but in natural environments, the effects may be quite different due to interactions with other compounds ...
Alessandro Loureiro Paschoalini +6 more
openaire +2 more sources
Histological alterations in gills of Astyanax aff. bimaculatus caused by acute exposition to zinc
Experimental and Toxicologic Pathology, 2012Increasing contamination of aquatic ecosystems by metals has caused various morphological, physiological and biochemical changes in aquatic organisms, and the gills of fish are recognized as indicators of environmental quality. In this context, the present work proposed to study the effects of different concentrations of zinc (Zn) in the histology of ...
Daiane Cristina Marques, dos Santos +3 more
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