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Earth.com (EUA)
Em 2026: 48 notícias
Desde 1995: 143 notícias
Fires are transforming the Amazon rainforest into savanna
Publicado em 05 de abril de 2021
Savanna is taking over parts of the Amazon rainforest as a result of recurring forest fires, according to a new study published in the journal Ecosystems. The researchers, led by Bernardo Monteiro Flores of UFSC, investigated the impacts of wildfires on vegetation and soil quality over the last four decades.
The study revealed that the future of the rainforest is greatly threatened by fire activity, even in well-conserved areas that are unaffected by deforestation.
“The edges of the [...]
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Fruit-eating mammals fertilize the soil in tropical forests
Publicado em 17 janeiro 2021Scientists at São Paulo State University have found that large mammals fertilize the soil in tropical forests. In particular, animals like peccaries and tapirs boost levels of soil nitrogen, which is considered the most important nutrient for plant growth. A white-lipped peccary is a boar-like mammal found throughout Central and South America. These hoofed animals roam the forest in groups of 50 to 100, eating a wide variety of foods. In the Atlantic Rainforest along the coast of [...]ver notícia -
A newly identified electric eel species has the strongest shock of any living creature, study says
Publicado em 11 setembro 2019Two new electric eel species have been identified in the Amazon basin, including one fish with a record-breaking shock, scientists say. Researchers had previously identified only one species of electric eel in more than 250 years of studying the creatures that lurk in South American waters and stun their prey with electric discharges. However, the new genetic and ecological analysis, published Tuesday in the peer-reviewed Nature Communications, identifies a total of three unique [...]ver notícia