Brown bears foraging for food in the Shiretoko Peninsula of Hokkaido, Japan, have been disrupting tree growth in artificial conifer forests, according to a new study published in Ecology. Researchers compared soil and tree ...
Plants & Animals
Mar 1, 2024
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155
When a tree is surrounded by many similar individuals, its mortality increases, which is probably caused by specialized pathogens or herbivores. This effect occurs in forests all over the world, but is more pronounced in ...
Plants & Animals
Feb 28, 2024
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72
In 1934, American entomologist Elwood Zimmerman, then an undergraduate student at Berkeley, participated in the "Mangarevan expedition" to Polynesia. Among the samples he collected were three tiny (4 mm long), orange-brown ...
Plants & Animals
Feb 26, 2024
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19
The annual rate of carbon emissions due to the degradation of carbon stocks in mangrove forests is predicted to rise by nearly 50,000% by the end of the century, according to a new study published in Environmental Research ...
Earth Sciences
Feb 22, 2024
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124
Spruce, pine, fir and other trees tower across the frigid swaths of land that span North America, northern Europe and Russia in a great ring around the world. These boreal forests constitute the largest land ecosystem and ...
Ecology
Feb 20, 2024
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15
For the first time, scientists have captured photos of a bird long thought lost. Known as the Yellow-crested Helmetshrike, or Prionops alberti, the species is listed as a 'lost bird' by the American Bird Conservancy because ...
Plants & Animals
Feb 20, 2024
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488
On a remote tropical island in the Atlantic Ocean, a pair of marooned pirates have been discovered. While they lack eyepatches and cutlasses, the two new species of pirate spider certainly live up to their nautical name, ...
Plants & Animals
Feb 16, 2024
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150
New research led by the University of Liverpool reveals the scale of misguided reforestation projects across Africa. The study reveals that an area the size of France is under threat by forest restoration initiatives due ...
Ecology
Feb 15, 2024
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46
Africa's forested areas—an estimated 14 % of the global forest area—are continuing to decline at an increasing rate—mostly because of human activities to convert forest land for economic purposes. As natural forests ...
Earth Sciences
Feb 15, 2024
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55
The Amazon rainforest could approach a tipping point, which could lead to a large-scale collapse with serious implications for the global climate system. A new Nature study by an international research team including scientists ...
Earth Sciences
Feb 14, 2024
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42
