Kategorien: Alle - rivers - ecosystem - vegetation

von Jelena Vladetic Vor 3 Jahren

150

Organigram

The reintroduction of wolves into a park ecosystem triggered a cascade of ecological changes. As wolves reduced the coyote population, the numbers of smaller rodents like rats and mice increased, attracting more predators such as hawks, weasels, foxes, and badgers.

Organigram

Wolves are brought into the park

Raven, bald eagles, and bears began coming to feed on the leftover carrion

Wolves kill the coyotes

Number of rats and mice began to rise
More hawks, weasels, foxes and badgers came

Wolves kill the deer

Less soil erosion because the vegetation became more stabilized
Deer began avoiding certain areas of the park
Those areas began to regenerate

Trees and forests were restored

Stabilized the rivers and caused it to have less erosion so that the trees collapsed less

Beavers began returning

The habitats they made provided habitats for otters, muskrats, fish, reptiles and amphibians

Birds began returning

Bushes were restored

Bear population began rising due to more berries on bushes