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Yellowstone Ecology

Ecologists: Forest fire frequency in Yellowstone ecosystem may increase because of warming climate

A new study finds that climate change may spark more forest fires in the Yellowstone ecosystem, resulting in a shift from mature, old-growth forests to younger forests and woodlands.

Filed Under: Rocky Mountain Ecology, Rocky Mountain Forest Fires, Rocky Mountain Forests, Yellowstone Ecology

Yellowstone supervolcano imagery shows underground plume larger than earlier seismic readings indicate

New images from the University of Utah suggest that the large plume of partly molten rock underneath Yellowstone may be larger than previously believed. However, no predictions of when a cataclysmic eruption of the famed supervolcano might occur were offered.

Filed Under: American West Geology, Yellowstone Ecology

Study: Yellowstone wolves not helping aspens regenerate

The reintroduction of wolves into Yellowstone National Park is not helping aspen groves, despite declines in the number of elk, according to a new study.

Filed Under: Rocky Mountain Ecology, Rocky Mountain Wolves, Yellowstone Ecology

Climate change may alter Yellowstone meadows, plant diversity

Researchers measured the changes in the Yellowstone meadow plant community from 1997 to 2007, including a period of extended drought, and found that shrubs (such as sagebrush) that grow in the drier meadows increased, while flowering plants decreased in number.

Filed Under: Rocky Mountain Climate, Rocky Mountain Ecology, Wyoming Recreation & Environment, Yellowstone Ecology

Northern Rocky Mountain wolves lose endangered species status

The USFWS said wolf populations have exceeded biological recovery goals and are now thriving.

Filed Under: Rocky Mountain Wolves, Yellowstone Ecology

UA: Terrain dictates deadly wolf, elk interactions in Yellowstone

While it was feared the elk population would be at risk upon reintroduction, wolf numbers on Yellowstone’s northern range has grown to 84 and elk numbers have not declined appreciably.

Filed Under: Rocky Mountain Wolves, Yellowstone Ecology

OSU: Yellowstone wolves influence elk; benefit trees, streams

The study conducted by forestry researchers supports a “trophic cascade” theory of ecological interdependence — extending to plants, animals, food chains and ecological zones.

Filed Under: Rocky Mountain Ecology, Rocky Mountain Forests, Rocky Mountain Wolves, Wyoming Recreation & Environment, Yellowstone Ecology

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