Discovery of 1,800-year-old 'Rosetta Stone' for tropical ice cores
Two annually dated ice cores drawn from the tropical Peruvian Andes reveal Earth's tropical climate history in unprecedented detail—year by year, for nearly 1,800 years.
New fossil primate suggests common Asian ancestor, challenges primates such as 'Ida'
According to new research published online in the Proceedings of the Royal Society B (Biological Sciences) on July 1, 2009, a new fossil primate from Myanmar (previously known as Burma) suggests that the co ...
Sediment supply drives floodplain evolution in Amazon Basin
A new study of the Amazon River basin shows lowland rivers that carry large volumes of sediment meander more across floodplains and create more oxbow lakes than rivers that carry less sediment.
Giant Amazon fish becoming extinct in many fishing communities, saved in others
An international team of scientists has discovered that a large, commercially important fish from the Amazon Basin has become extinct in some local fishing communities.
Amazon inhales more carbon than it emits, NASA finds
(Phys.org) —A new NASA-led study seven years in the making has confirmed that natural forests in the Amazon remove more carbon dioxide from the atmosphere than they emit, therefore reducing global warming. ...
Drought, fires impact ability of Amazon to hold carbon dioxide
Fires in the Amazon could jeopardize the forest's ability to soak up carbon dioxide emissions even as deforestation there slows down, according to a Penn State geographer.
Amazonian drought conditions add carbon dioxide to the atmosphere
(Phys.org) —International study combines aircraft and ground data to measure the "breath" of the Amazon forest
Reconstructing the New World monkey family tree
When monkeys landed in South America 37 or more million years ago, the long-isolated continent already teemed with a menagerie of 30-foot snakes, giant armadillos and strange, hoofed mammals. Over time, the ...
Researchers estimate 16,000 tree species in the Amazon with half of all trees belonging to just 227 species
Researchers, taxonomists, and students from The Field Museum and 88 other institutions around the world have provided new answers to two simple but long-standing questions about Amazonian diversity: How many ...
Extinctions of large animals sever the Earth's 'nutrient arteries' (Update)
(Phys.org) —A new study has demonstrated that large animals have acted as carriers of key nutrients to plants and animals over thousands of years and on continental scales.
Detour ahead: Cities, farms reroute animals seeking cooler climes
In spite of considerable human development, the southeastern United States region could provide some of the Western Hemisphere's more heavily used thoroughfares for mammals, birds and amphibians on their ...
Wetland trees a significant overlooked source of methane, study finds
Wetlands are a well-established and prolific source of atmospheric methane. Yet despite an abundance of seething swamps and flooded forests in the tropics, ground-based measurements of methane have fallen well short of the ...
As Amazon urbanizes, rural fires burn unchecked
Many Amazonians are moving out of the countryside, in search of economic opportunities in newly booming Amazonian cities. The resulting depopulation of rural areas, along with spreading road networks and ...
Cedar tree rings archive Amazon rainfall data
University of Leeds-led research has used tree rings from eight cedar trees in Bolivia to unlock a 100-year history of rainfall across the Amazon basin, which contains the world's largest river system.