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Unrecognized species diversity and endemism in the cichlid genus Bujurquina (Teleostei: Cichlidae) together with a molecular phylogeny document large-scale transformation of the western Amazonian river network and reveal complex paleogeography of the Ecuadorian Amazon
Bujurquina is the most widely distributed and species-rich genus of cichlids in the western Amazon of South America, yet beyond a few taxonomic...
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Larger Fish Disperse Larger Seeds in Oligotrophic Wetlands of the Central Amazon
Fish can act as dispersal vectors for many plant species, and this mutualistic relationship is critical for structuring and regeneration in Amazonian...
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Integrative Taxonomy of Urocleidoides spp. (Monogenoidea, Dactylogyridae) Parasites of Pseudanos trimaculatus (Characiformes: Anostomidae) from Eastern Amazon, Brazil
Two new species of Urocleidoides are described from the gills of Pseudanos trimaculatus (Characiformes: Anostomidae) from the coastal drainages of...
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How does the phytoplankton community respond to the effects of La Niña and post-drought events in a tide-dominated Amazon estuary?
The present study evaluates the effect of climatic events La Niña and drought on the structure of phytoplankton and hydrological variables in the...
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Accessing the specialized metabolome of actinobacteria from the bulk soil of Paullinia cupana Mart. on the Brazilian Amazon: a promising source of bioactive compounds against soybean phytopathogens
The Amazon rainforest, an incredibly biodiverse ecosystem, has been increasingly vulnerable to deforestation. Despite its undeniable importance and...
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Inundation, Hydrodynamics and Vegetation Influence Carbon Dioxide Concentrations in Amazon Floodplain Lakes
Extensive floodplains and numerous lakes in the Amazon basin are well suited to examine the role of floodable lands within the context of the sources...
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Contribution of rare genera of aquatic insects to functional diversity in streams with multiple land use in the Amazon
Understanding the contribution of rare biological groups to functional diversity, especially in systems impacted by land use, is fundamental to...
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Diversity of Arbuscular Mycorrhizal Fungi in the Ecuadorian Amazon Region
Ecuador is one of the most biodiverse countries on the planet, and the majority of that biodiversity inhabits the vast Amazon region, of which a...
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Tetrathylacium vraem (Salicaceae), a new remarkable tree from the highly threatened forest in the southern Peruvian Amazon
The new species Tetrathylacium vraem (Salicaceae) is described. It inhabits terra firme forests that are threatened in the southern Amazon region of...
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Highly mercury-resistant strains from different Colombian Amazon ecosystems affected by artisanal gold mining activities
Two sites of the Colombian Amazon region with different levels of human intervention and mercury pollution were selected for the collection of...
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Functional diversity of mayflies (Ephemeroptera, Insecta) in streams in mining areas located in the Eastern Amazon
The effects of mining-induced changes on natural environments extend from terrestrial to aquatic ecosystems. Our study aimed to investigate how...
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Land use changes disrupt streams and affect the functional feeding groups of aquatic insects in the Amazon
AbstractChanges in riparian vegetation directly affect the entry of allochthonous material into aquatic systems, which is the main source of food and...
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Hematological and plasma biochemical profile of two species of freshwater stingrays from the Amazon
The evaluation of hematological and plasma biochemical parameters and the subsequent establishment of reference intervals facilitate the diagnosis of...
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Semi-natural fishway efficiency for goliath catfish (Brachyplatystoma spp.) in a large dam in the Amazon Basin
The recent large-scale hydropower development in the Amazon basin has raised concerns about the impacts on the movements of migratory fishes such as...
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Conservation Status of the Nancy Ma’s Owl Monkey (Aotus nancymaae, Hershkovitz, 1983) on the Colombian-Peruvian Amazon Border
This chapter presents an overview of the general characteristics of the Nancy Ma’s owl monkey (Aotus nancymaae) and a case study where we explore the...
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Seasonal effects on the potential spatial distribution of Amazonian migratory catfishes
The Amazon basin, spanning approximately 540,000 km 2 , exhibits distinct fluviometric surfaces that differentiate between the dry and rainy seasons....
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How future climate change and deforestation can drastically affect the species of monkeys endemic to the eastern Amazon, and priorities for conservation
The intensive deforestation, together with the projections of climate change, indicates severe effects of human actions on biodiversity in the...
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Soil microbiota community assembling in native plant species from Brazil’s legal Amazon
Many endemic plant species from Brazil’s Legal Amazon present soil organisms in their rhizosphere. These organisms play a key role in the...
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Redescription of the Сommon but Poorly Known Piranha Dulce Serrasalmus hollandi (Serrasalmidae) from the Upper Madeira River
AbstractThe piranha Serrasalmus hollandi was described in 1915 by Eigenmann based on a single specimen from the upper Madeira River basin in the...
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Does Structural Equation Modeling Provide a Holistic View of Phosphorus Acquisition Strategies in Soils of Amazon Forest?
The development and productivity of the Amazon Forest are limited by the availability of phosphorus (P) in P-impoverished soils. Applying structural...
