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Following the eruption of Mount St. Helens in 1980, which caused the deposition of tens of meters of pumice, tephra, and ash, new watersheds have begun to form with populations of Sitka willow, an early riparian colonist. In the January issue of Ecosphere, LeRoy et al. show that in these new populations, female willows are colonizing closer to the stream edges than males, influencing the organic matter inputs and litter processing rates, thereby altering in-stream early successional communities.

Ecosphere

News

UNH Research Finds Non-Picky Eaters More Effective at Spreading Spores than Previously Thought

By University of New Hampshire 2/18/2020 DURHAM, N.H.—Small mammals such as mice and chipmunks who are not picky eaters play a more important role than previously known in dispersing the spores of wild mushrooms and truffles, according to new research from the New Hampshire Agricultural Experiment Station at the University of New Hampshire. Mushrooms and truffles colonize the roots of…

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Forests bouncing back from beetles, but elk and deer slowing recovery

By CU Boulder 2/13/2020 Two words, and a tiny little creature, strike fear in the hearts of many Colorado outdoor enthusiasts: bark beetle. But new research from CU Boulder reveals that even simultaneous bark beetle outbreaks are not a death sentence to the state’s beloved forests. The study, published this month in the journal Ecology, found that high-elevation forests in the southern…

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Polar bears in Baffin Bay skinnier, having fewer cubs due to less sea ice

By University of Washington 2/12/2020 Polar bears are spending more time on land than they did in the 1990s due to reduced sea ice, new University of Washington-led research shows. Bears in Baffin Bay are getting thinner and adult females are having fewer cubs than when sea ice was more available. The new study, recently published in Ecological Applications, includes satellite tracking…

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