Results 11 to 20 of about 42,668 (210)

“When Everything was Forest”: Aikanã Histories and Environmental Destruction in Southern Amazonia

open access: yesAlternautas, 2023
This article explores how the Aikanã, speakers of an isolate language, who live in the south-eastern Amazon, in the Brazilian State of Rondônia, make sense of the drastic transformations brought about by the colonisation of this region.
Lisa Grund
doaj   +1 more source

Marked decline in forest-dependent small mammals following habitat loss and fragmentation in an Amazonian deforestation frontier [PDF]

open access: yes, 2020
Agricultural frontier expansion into the Amazon over the last four decades has created million hectares of fragmented forests. While many species undergo local extinctions within remaining forest patches, this may be compensated by native species from ...
Palmeirim, Ana Filipa   +2 more
core   +1 more source

An international network to monitor the structure, composition and dynamics of Amazonian forests (RAINFOR) [PDF]

open access: yes, 2002
The Amazon basin is likely to be increasingly affected by environmental changes: higher temperatures, changes in precipitation, CO2 fertilization and habitat fragmentation.
Almeida, S.   +31 more
core   +1 more source

Conidial fungi associated with leaf litter of red cedar (Cedrela odorata) in Belém, Pará (eastern Brazilian Amazon) [PDF]

open access: yesActa Amazonica, 2018
The aim of this study was to investigate the species of conidial fungi associated with leaf litter of Cedrela odorata (Meliaceae), an endangered red cedar species typical of Amazonian terra-firme forests. Conidial fungi were sampled around C.
Renato Ferreira dos SANTOS   +4 more
doaj   +2 more sources

Increasing dominance of large lianas in Amazonian forests [PDF]

open access: yes, 2002
Ecological orthodoxy suggests that old-growth forests should be close to dynamic equilibrium, but this view has been challenged by recent findings that neotropical forests are accumulating carbon and biomass, possibly in response to the increasing ...
A White   +43 more
core   +1 more source

New records of Boana icamiaba (Anura: Hylidae) in the Brazilian Amazon rainforest

open access: yesCaldasia, 2019
Boana icamiaba is an Amazonian anuran species reported for sites in the mid-lower Madeira-Rio Tapajós River and lower Tapajós-Rio, and Xingu River interfluves – municipalities of Juruti, Altamira, Santarém, and Itaituba, state of Pará, northern Brazil ...
Samuel F. dos Anjos   +6 more
doaj   +1 more source

Forest understory ant (Hymenoptera: Formicidae) assemblage in a Meridional Amazonian landscape, Brazil

open access: yesCaldasia, 2018
Ants inhabit and exploit the most varied habitats from the underground to the forest canopy. However, studies on the diversity of arboreal ants are less frequent in the Amazon.
Juciane Aparecida Focas-Leite   +2 more
doaj   +1 more source

Leptodactylus knudseni [PDF]

open access: yes, 2006
Number of Pages: 12Integrative BiologyGeological ...
Heyer, Miriam Muedeking   +1 more
core   +1 more source

Additions to the Known Distribution of Epipompilus aztecus (Cresson, 1869) and E. excelsus (Bradley, 1944) (Hymenoptera: Pompilidae)

open access: yesPsyche: A Journal of Entomology, 2010
Knowledge about the species distribution of Epipompilus Kohl, 1884, is largely based on the records from the species description. Recent efforts in South American bodiversity studies indicate that knowledge about the distribution of Epipompilus species ...
Eduardo Fernando dos Santos   +1 more
doaj   +1 more source

Extreme high prevalence of a defective mannose-binding lectin (MBL2) genotype in native South American West Andean populations. [PDF]

open access: yesPLoS ONE, 2014
Mannose-binding lectin (MBL) is one of the five recognition molecules in the lectin complement pathway. Common variant alleles in the promoter and structural regions of the human MBL gene (MBL2) influence the stability and serum concentration of the ...
José Raul Sandoval   +7 more
doaj   +1 more source

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