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Ancient Humans Altered Andean Ecosystems Long Before Europeans Arrived, Study Finds

The scientists studied hundreds of samples of fossil pollen and charcoal from a 305-foot-long sediment core raised from Lake Junin, at an elevation of more than 13,400 feet in the grasslands of the Peruvian Andes. This sedimentary record spanned the last 670,000 years and represented the longest continuous and empirically-dated record of tropical vegetation change to date.

Colombia , United-states , Argentina , Bolivia , Andes-mountains , Bolivia-general- , Ecuador , Peru , America , Alvaro-duque , Jonathan-myers , Nature-communications

Mountain high | The Source | Washington University in St. Louis

Andean forests have high potential to store carbon under climate change
The Andes are the world’s longest mountain range and a hotspot of biodiversity. Here, a view of the tropical forest along mountains in Peru. (Photo: William Farfan-Rios)
April 19, 2021
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The Andes Mountains of South America are the most species-rich biodiversity hotspot for plant and vertebrate species in the world. But the forest that climbs up this mountain range provides another important service to humanity.
Andean forests are helping to protect the planet by acting as a carbon sink, absorbing carbon dioxide and keeping some of this climate-altering gas out of circulation, according to new research published in Nature Communications.

Amazonia , Colombia-general , Colombia , United-states , Argentina , Bolivia , Ecuador , Madidi , La-paz , Peru , America , Alvaro-duque

Environmental News Network - Mountain High: Andean Forests Have High Potential to Store Carbon Under Climate Change

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The Andes Mountains of South America are the most species-rich biodiversity hotspot for plant and vertebrate species in the world.
The Andes Mountains of South America are the most species-rich biodiversity hotspot for plant and vertebrate species in the world. But the forest that climbs up this mountain range provides another important service to humanity.
Andean forests are helping to protect the planet by acting as a carbon sink, absorbing carbon dioxide and keeping some of this climate-altering gas out of circulation, according to new research published in Nature Communications.
The study — which draws upon two decades of data from 119 forest-monitoring plots in Colombia, Ecuador, Peru, Bolivia and Argentina — was produced by an international team of scientists including researchers supported by the Living Earth Collaborative at Washington University in St. Louis. The lead author was Alvaro Duque from the Universidad Nacional de Colombia Sede Medellín.

Ecuador , Colombia , United-states , Peru , Argentina , Bolivia , America , Alvaro-duque , William-farfan-rios , Nature-communications , Manu-national-park , Washington-university-in-st

Mountain high: Andean forests have high potential to store carbon under climate change

Mountain high: Andean forests have high potential to store carbon under climate change
eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.

Amazonia , Colombia-general , Colombia , United-states , Argentina , Bolivia , Ecuador , Madidi , La-paz , Peru , America , Alvaro-duque

How a giant asteroid that destroyed dinosaurs led to the rise of modern rainforests

Archyde
April 4, 2021 by archyde
About 66 million years ago, a massive asteroid collided with what is now known as Yucatan, plunging Earth into darkness. The impact transformed the tropical rainforests, giving birth to flowers.
Today, tropical rainforests are a hotspot for biodiversity and play an important role in global climate systems. A new study was published today in
La science It sheds light on the origins of modern rainforests and can help scientists understand how tropical forests will respond to the rapidly changing climate of the future.
The study, conducted by researchers at the Smithsonian Tropical Research Institute (STRI), showed that an asteroid collision that ended the dinosaur reign 66 million years ago also caused the extinction of 45 % of plants in what is now Colombia, giving way. at risk of extinction. The reign of flowering plants in modern tropical forests.

Bucaramanga , Santander , Colombia , Smithsonian-tropical-research-institute , Panamam , Panama , United-states , Smithsonian-institution , District-of-columbia , United-kingdom , Leticia , Amazonas