amazonbiodiversity
By Timothy J. Killeen Gold is universally recognized as a form of money that has retained value over decades, centuries and millennia. Since it is non-corrosive and precious, approximately 95% of the gold mined since the dawn of civilization remains in circulation (~205 million tonnes). The largest share (~47%) is held as jewelry, which in addition to its sentimental value is an important store of family wealth. Governments hold ~17%, which was used historically to back the value of national currencies and, although this is no longer the case, these reserves are often used in times of politica...
Mongabay
By Sarah Brown The lowland forest of El Impenetrable National Park in northern Argentina sprawls across the hot, swampy green of the Gran Chaco biome, home to South America’s largest mammals and thousands of plant species. It’s a critical conservation unit for the protection of one of the planet’s most deforested ecosystems, yet it’s missing an important resident: a female jaguar (Panthera onca). Two-thirds of the Gran Chaco, which spreads across 650,000 square kilometers (251,000 square miles), are in northern Argentina, where just 10 jaguars remain — all of them male. The last female was spo...
Mongabay
By Jenny Gonzales Faced with the global challenge of ending the deforestation of tropical forests without enough resources for the task, at the end of 2023, the Brazilian government launched a mechanism to encourage forest conservation. How? Creating a payment system per hectare of preserved or recovered forest to those responsible for its preservation. If a hectare ends up deforested instead of preserved, the opposite happens: Landowners no longer receive the equivalent of 100 times the value of the preserved hectare. “Tropical forests are essential for biodiversity,” Minister of Environment ...
Mongabay
By Liz Kimbrough A team of paleontologists found a giant fossilized skull along the shore of the Napo River in the Peruvian Amazon. To their surprise, the relic belonged to a newly described species of giant freshwater dolphin. This colossal creature swam in the rivers of the Amazon around 16 million years ago and is considered the largest-known species of river dolphin to have ever lived, measuring 3-3.5 meters (9.8-11.5 feet). Artistic reconstruction of Pebanista yacuruna in the murky waters of the Peruvian proto-Amazonia. Image by Jamie Bran. “As soon as I recognized it, I saw the teeth soc...
Mongabay
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