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Articles sur Ecology

Affichage de 61 à 80 de 422 articles

Fires are increasing in high mountain areas that rarely burned in the past. John McColgan, Bureau of Land Management, Alaska Fire Service

Fire danger in the high mountains is intensifying: That’s bad news for humans, treacherous for the environment

Fires here can affect meltwater timing and water quality, worsen erosion that triggers mudslides, and much more, as two scientists explain.
A typical view on the Nullarbor Plain: an expansive, treeless landscape that captures the relentless dryness of Australia’s interior. Matej Lipar

We found out when the Nullarbor Plain dried out, splitting Australia’s ecosystems in half

New research on the Nullarbor Plain reveals the ancient climate change that separated Australia’s east and west ecosystems, shaping today’s biodiversity.
Eventually weather, pests and disease will take their toll, but the story doesn’t end there. Emanuel David / 500px via Getty Images

How do trees die?

Even in death, a tree helps others live.
Native wildflowers, such as these Dutchman’s breeches (Dicentra cucullaria) that bloom early in spring are losing access to sunlight as trees leaf out earlier. Katja Schulz/Flickr

Climate change threatens spring wildflowers by speeding up the time when trees leaf out above them

Many beloved wildflowers bloom in early spring, while trees are still bare and the flowers have access to sunlight. Climate change is throwing trees and wildflowers out of sync.

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