Friday November 10, 2023

PSU Watch

Non-native species appear to be better able to resist extreme weather, threatening native plants and animals and potentially creating more favourable conditions for invasive species under climate change. That’s the conclusion of a new study in the scientific journal Nature Ecology and Evolution.

Wildfires, droughts, heavy rainfall and storms are all increasing, and predicted to become more frequent throughout the next century due to human-driven climate change.

At the same time, humans are transporting more species into new areas, despite concerted global efforts to increase biosecurity across borders and to target the eradication of specific species. Some of these non-native species can go on to become invasive, damaging native ecosystems.

Capitalising on opportunities Invasive species introduced by humans often possess traits that help them survive or even thrive when ecosystems are disturbed (perhaps by wildfire, a storm or human buildings).

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