First record of Neoechinorhynchus buttnerae (Eoacantocephala, Neochinorhynchidae) on Colossoma macropomum (Characidae) in a fish farm in Roraima, Brazil

Optimal selective logging regime and log landing location models: a case study in the Amazon forest

Reproductive and feeding biology of the common lancehead Bothrops atrox (Serpentes, Viperidae) from central and southwestern Brazilian Amazonia

Ecological studies of mayflies (Insecta, Ephemeroptera): Can sampling effort be reduced without losing essential taxonomic and ecological information?

Arbuscular mycorrhizal fungi associated with the babassu palm (Attalea speciosa) in the eastern periphery of Amazonia, Brazil

Influence of packaging on the quality of Brazil nuts

First record of the chemical composition of essentia oil of Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum from the Brazilian Amazon forest

Allometric models to estimate tree height in northern Amazonian ecotone forests

Diversity of yeasts during fermentation of cocoa from two sites in the Brazilian Amazon

Agricultural land use and cover change in the Cerrado/Amazon ecotone: A case study of the upper Teles Pires River basin

Survey of social wasps (Hymenoptera, Vespidae, Polistinae) in Amazon rainforest fragments in Acre, Brazil

Relationship of Neotropical otter vestiges with environmental and anthropogenic factors

Relevance of wood anatomy and size of Amazonian trees in the determination and allometry of sapwood area

Feeding frequency affects feed intake and growth in juvenile pirarucu (Arapaima gigas)

Improved tree height estimation of secondary forests in the Brazilian Amazon

Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects

Food deprivation does not affect growth performance of juvenile tambacu

Phylogenetic structure is determined by patch size in rock outcrop vegetation on an inselberg in the northern Amazon region

Seeds of sacha inchi (Plukenetia volubilis, Euphorbiaceae) as a feed ingredient for juvenile tambaqui, Colossoma macropomum, and matrinxa, Brycon amazonicus (Characidae)

Diversity patterns of hawkmoths (Lepidoptera: Sphingidae) in the canopy of an ombrophilous forest in Central Amazon, Brazil

Antioxidant activity and physicochemical characteristics of honeys from the eastern Amazon region, Brazil

Alternative vibro-dynamic compression processing of wood-cement composites using Amazonian wood

In vitro and in vivo antimalarial activity of the volatile oil of Cyperus articulatus (Cyperaceae)

Effect of body size heterogeneity on the aggressive behavior of larvae of matrinxa, Brycon amazonicus (Characiformes, Bryconidae)

Airborne laser scanning for terrain modeling in the Amazon forest

Evaluation of forest inventory processes in a forest under concession in the southwestern Brazilian Amazon

Evaluation of antimutagenic and cytotoxic activity of skin secretion extract of Rhinella marina and Rhaebo guttatus (Anura, Bufonidae)

Effect of Alpinia zerumbet essential oil on the shelf life of tambaqui fillets during short-term refrigerator storage

Anuran diversity in urban and rural zones of the Itacoatiara municipality, central Amazonia, Brazil

Description of immature stages of Ablabesmyia cordeiroi Neubern, 2013 (Diptera: Chironomidae: Tanypodinae)

Do polyembryonic seeds of Carapa surinamensis (Meliaceae) have advantages for seedling development?

Diversity of metazoan parasites in Colossoma macropomum (Serrasalmidae) from the lower Jari River, a tributary of the Amazonas River in Brazil

Pollen and seed dispersal of Brazil nut trees in the southwestern Brazilian Amazon

Conidial fungi associated with leaf litter of red cedar (Cedrela odorata) in Belem, Para (eastern Brazilian Amazon)

Spatial segregation between Chalceus guaporensis and Chalceus epakros (Osteichthyes: Characiformes) in the Madeira River, Amazon Basin

A new species of phlebotomine sandfly, Pintomyia (Pifanomyia) duckei (Diptera: Psychodidae) from Manaus, State of Amazonas, Brazil

New record of the fringed leaf frog, Cruziohyla craspedopus (Anura: Phyllomedusidae) extends its eastern range limit

Sexual dimorphism in the electric knifefish, Gymnorhamphichthys rondoni (Rhamphichthyidae: Gymnotiformes)

Environmental structure affects taxonomic diversity but not functional structure of understory birds in the southwestern Brazilian Amazon

The influence of sex ratio on the reproduction of pirarucu, Arapaima gigas, in captivity

Floristic composition, structure and soil-vegetation relations in three white-sand soil patches in central Amazonia

Genetic diversity among accessions of sacha inchi (Plukenetia volubilis) by phenotypic characteristics analysis

Development of a quality index scheme and shelf-life study for whole tambaqui (Colossoma macropomum)

Filling gaps in the distribution of the white-winged vampire bat, Diaemus youngii (Phyllostomidae, Desmodontinae): new records for southern Amazonia

First record of Aedes (Stegomyia) albopictus in the state of Amapa, northern Brazil

Synthesis of enriched biochar as a vehicle for phosphorus in tropical soils

Predation of Boana boans (Anura, Hylidae) by an opportunistic frugivorous primate

A new species of Coccoloba P. Browne (Polygonaceae) from the Brazilian Amazon with exceptionally large leaves

Dendroecology of Macrolobium acaciifolium (Fabaceae) in Central Amazonian floodplain forests

Foliar anatomy of Rhynchosia spp. (Leguminosae, Papilionoideae) from Roraima state, northern Brazilian Amazon