Results 11 to 20 of about 162,647 (302)
Oil and gas projects in the Western Amazon: threats to wilderness, biodiversity, and indigenous peoples. [PDF]
PLoS ONE, 2008 BACKGROUND: The western Amazon is the most biologically rich part of the Amazon basin and is home to a great diversity of indigenous ethnic groups, including some of the world's last uncontacted peoples living in voluntary isolation.
Matt Finer +4 more
doaj +3 more sources
North Tropical Atlantic influence on western Amazon fire season variability [PDF]
Geophysical Research Letters, 2011 The prevailing wet climate in the western Amazon is not favorable to the natural occurrence of fires. Nevertheless, the current process of clearing of humid forests for agriculture and cattle ranching has increased the vulnerability of the region to the ...
Baethgen, Walter E. +10 more
core +4 more sources
Revista Chilena de Entomología, 2020 The present study aims to describe the occurrence of triatomines and their infection rate by Trypanosoma cruzi, in an area of Chagas disease outbreak in Rodrigues Alves municipality, Acre state, Brazil.
Fernanda Portela Madeira +9 more
doaj +1 more source
The onset of grasses in the Amazon drainage basin, evidence from the fossil record [PDF]
, 2020 Poaceae (the grass family) originated in the Cretaceous, but first dominate the palynological records of the Amazon drainage basin (ADB) in the Neogene (23 to 2.5 million years ago (Ma)).
Hoorn, Carina, Kirschner, Judith A.
core +3 more sources
Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust [PDF]
, 2017 Coccolithophores are calcifying phytoplankton and major contributors to both the organic and inorganic oceanic carbon pumps. Their export fluxes, species composition, and seasonal patterns were determined in two sediment trap moorings (M4 at 12 degrees N,
C. Sá +15 more
core +9 more sources
New tick records in Rondônia, Western Brazilian Amazon [PDF]
Revista Brasileira de Parasitologia Veterinária, 2010 In the present study, we provide new tick records from Vilhena Municipality, in the Southeast of the State of Rondônia, Northern Brazil. Ticks collected from a capybara, Hydrochoerus hydrochaeris (Linnaeus), were identified as Amblyomma romitii Tonelli-Rondelli (1 female), and Amblyomma sp. (1 larva). Ticks collected from a harpy eagle, Harpia harpyja (
Labruna, Marcelo Bahia +4 more
openaire +4 more sources
Diazotrophs Show Signs of Restoration in Amazon Rain Forest Soils with Ecosystem Rehabilitation. [PDF]
, 2020 Biological nitrogen fixation can be an important source of nitrogen in tropical forests that serve as a major CO2 sink. Extensive deforestation of the Amazon is known to influence microbial communities and the biogeochemical cycles they mediate. However,
Bohannan, Brendan JM +5 more
core +3 more sources
Agricultural entomology in the state of Acre: a historical overview and future challenges
EntomoBrasilis, 2020 In the state of Acre, Brazil, family-based agriculture is predominant and although it has less economic impact in relation to large-scale plantations, it is also subject to biological imbalances, such as the attack of pests, generating economic losses ...
Weidson Plauter Sutil +1 more
doaj +1 more source
EntomoBrasilis, 2020 The cupuassu (Theobroma grandiflorum (Willd ex Sprengel) K. Schum.) is a native tree from the tropical rainforest and one of the most important fruit trees in the Amazon region.
Rodrigo Souza Santos +3 more
doaj +1 more source
Storm intensity and old-growth forest disturbances in the Amazon region [PDF]
, 2010 We analyzed the pattern of large forest disturbances or blow-downs apparently caused by severe storms in a mostly unmanaged portion of the Brazilian Amazon using 27 Landsat images and daily precipitation estimates from NOAA satellite data.
Braswell, Rob +5 more
core +2 more sources