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Posts Tagged: yellowstone

Wolves for Yellowstone: Dynamics in Time and Space

The reintroduction of gray wolves (Canis lupus) to Yellowstone National Park is the most celebrated ecological experiment in history. As predicted by population models, the rapid recovery of a wolf population caused both temporal and spatial variability in wolf–ungulate interactions … read more

Aspen is Making a Comeback in and Around Yellowstone National Park, Because of Predators

Quaking aspen (Populus tremuloides) recruitment during the 1980s–90s was suppressed by Rocky Mountain elk (Cervus canadensis) herbivory on winter ranges in the Yellowstone region, and saplings (young aspen taller than 2 m) were rare. Following the 1995–96 reintroduction of gray … read more

Yellowstone Science – The Challenge of Understanding Northern Yellowstone Elk Dynamics after Wolf Reintroduction

The status and trend of the northern Yellowstone elk herd has been an enduring conservation issue throughout the history of Yellowstone National Park. It is the largest of about seven migratory elk herds that graze the park’s high-elevation meadows during … read more

Yellowstone Science – Motherhood

For many of Yellowstone’s species, spring’s arrival not only brings relief from winter’s challenges, but also resets the biological calendar that governs individuals’ lives. As April’s temperatures rise and its expanding daylight weakens the veneer of snow and ice, many … read more

Yellowstone Wolf Project Annual Report for 2017

“There were at least 97 wolves in 11 packs (three breeding pairs) living primarily in Yellowstone National Park at the end of December 2017,” the report reads. The report states that packs varied in size and could have anywhere from … read more

Yellowstone Wolf Project Annual Report

There were at least 108 wolves in 11 packs (7 breeding pairs) living primarily in Yellowstone National Park (YNP) through December 2016 (figures 1& 2). Breeding pairs are defined as an adult male and an adult female with two pups … read more

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