Results 1 to 10 of about 90,560 (291)

Historical deforestation drives strong rainfall decline across the southern Amazon basin [PDF]

open access: yesNature Communications
The Amazon forest has recently experienced substantial human-induced loss of forest cover. However, the extent to which such historical deforestation has altered regional observed precipitation through inter-regional atmospheric moisture transport ...
Jiangpeng Cui   +4 more
doaj   +2 more sources

Evapotranspiration seasonality across the Amazon Basin [PDF]

open access: yesEarth System Dynamics, 2017
Evapotranspiration (ET) of Amazon forests is a main driver of regional climate patterns and an important indicator of ecosystem functioning. Despite its importance, the seasonal variability of ET over Amazon forests, and its relationship with ...
E. E. Maeda   +6 more
doaj   +4 more sources

The export of African mineral dust across the Atlantic and its impact over the Amazon Basin [PDF]

open access: yesAtmospheric Chemistry and Physics, 2023
The Amazon Basin is frequently influenced by transatlantic transport of African dust plumes during its wet season (January–April), which not only interrupts the near-pristine atmospheric condition in that season, but also provides nutrient inputs to the ...
X. Wang   +23 more
doaj   +1 more source

Biogeographic evidence supports the Old Amazon hypothesis for the formation of the Amazon fluvial system [PDF]

open access: yesPeerJ, 2021
The Amazon has high biodiversity, which has been attributed to different geological events such as the formation of rivers. The Old and Young Amazon hypotheses have been proposed regarding the date of the formation of the Amazon basin.
Karen Méndez-Camacho   +2 more
doaj   +2 more sources

Fires Drive Long-Term Environmental Degradation in the Amazon Basin

open access: yesRemote Sensing, 2022
The Amazon Basin is undergoing extensive environmental degradation as a result of deforestation and the rising occurrence of fires. The degradation caused by fires is exacerbated by the occurrence of anomalously dry periods in the Amazon Basin.
Carlos Antonio da Silva Junior   +15 more
doaj   +1 more source

An explicit GIS-based river basin framework for aquatic ecosystem conservation in the Amazon [PDF]

open access: yesEarth System Science Data, 2016
Despite large-scale infrastructure development, deforestation, mining and petroleum exploration in the Amazon Basin, relatively little attention has been paid to the management scale required for the protection of wetlands, fisheries and other aspects of
E. Venticinque   +9 more
doaj   +1 more source

Challenges Regionalizing Methane Emissions Using Aquatic Environments in the Amazon Basin as Examples

open access: yesFrontiers in Environmental Science, 2022
Key challenges to regionalization of methane fluxes in the Amazon basin are the large seasonal variation in inundated areas and habitats, the wide variety of aquatic ecosystems throughout the Amazon basin, and the variability in methane fluxes in time ...
John M. Melack   +12 more
doaj   +1 more source

Integrative taxonomy reveals disjunct distribution and first record of Hoplias misionera (Characiformes: Erythrinidae) in the Amazon River basin: morphological, DNA barcoding and cytogenetic considerations

open access: yesNeotropical Ichthyology, 2021
The Hoplias malabaricus group encompasses six valid species and still is believed to harbors cryptic diversity. In this work, an integrative approach including morphological, DNA barcoding, and cytogenetic considerations was conducted to characterize a ...
Karen L. A. Guimarães   +4 more
doaj   +1 more source

Large and increasing methane emissions from eastern Amazonia derived from satellite data, 2010–2018 [PDF]

open access: yesAtmospheric Chemistry and Physics, 2021
We use a global inverse model, satellite data and flask measurements to estimate methane (CH4) emissions from South America, Brazil and the basin of the Amazon River for the period 2010–2018.
C. Wilson   +15 more
doaj   +1 more source

Genetic diversity and structuring in the arapaima (Osteoglossiformes, Osteoglossidae) population reveal differences between the Amazon and the Tocantins-Araguaia basins [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
Arapaima is a widely-distributed fish of enormous economic importance in the Amazon region. In the present study, a total of 232 specimens were sampled, 121 from five sites in the Amazon basin and 111 from five sites in the Tocantins-Araguaia basin.
Fabrícia Nogueira   +7 more
doaj   +1 more source

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