The Janzen–Connell (J-C) hypothesis suggests that specialized natural enemies cause distance‐or density‐dependent mortality among host plants and is regarded as an important mechanism for species coexistence. However, ...
Ecology
Jan 12, 2021
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5
In a study spanning four decades, researchers from the University of Hong Kong's Research Division for Ecology & Biodiversity (HKU) in the Faculty of Science, and Toho University's Department of Biology (Toho), Japan, have ...
Plants & Animals
Jan 7, 2021
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15
An analysis of the songs of most of the world's passerine birds reveals that the frequency at which birds sing mostly depends on body size, but is also influenced by sexual selection. The new study from researchers of the ...
Plants & Animals
Dec 22, 2020
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36
The world is changing in dramatic ways, especially in the High Arctic. Climate change has meant that spring arrives earlier, but winters have become far more treacherous for Arctic animals that overwinter there, with more ...
Evolution
Dec 17, 2020
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4
An ever warmer climate could be bad news for species that depend on stable and abundant access to food at certain times of the year.
Plants & Animals
Nov 5, 2020
1
36
It doesn't take much for a predator to terrify their prey. No tricks. No treats. Just good old-fashioned fear of being eaten.
Ecology
Nov 2, 2020
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145
Scientists at Linköping University, Sweden, have simulated what happens in ecosystems when the habitats of different species disappear. When plants and animals lose their habitats, predator species at the top of the food ...
Plants & Animals
Oct 28, 2020
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4
BATON ROUGE – Few places on Earth are as rich in biodiversity and removed from human influence as the world's largest rainforest—the Amazon. Scientists at LSU have been conducting research within the pristine rainforest ...
Plants & Animals
Oct 26, 2020
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94
Each spring, billions of land birds—thrushes, warblers, orioles, tanagers, and more—migrate through the night, navigating the coast of the Gulf of Mexico. Even greater numbers migrate in the fall. During the day, these ...
Plants & Animals
Oct 7, 2020
0
2
The largest-ever study of tree rings from Norilsk in the Russian Arctic has shown that the direct and indirect effects of industrial pollution in the region and beyond are far worse than previously thought.
Environment
Sep 25, 2020
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