Answer :

The number of wolves on Isle Royale declined significantly between 1975 and 1985.

During this period, the wolf population on Isle Royale, a remote island in Lake Superior, experienced a dramatic decrease. In 1975, there were 50 wolves on the island, forming a relatively stable population. However, due to a series of factors, including genetic issues, disease, and limited prey availability, the population experienced a steep decline.

By 1985, the wolf population had plummeted to just 14 individuals, leading to concerns about the viability and long-term survival of the species on the island. The decline in wolf numbers during this period highlighted the vulnerability of isolated populations and the ecological challenges they face. Efforts were subsequently made to reintroduce new wolves to Isle Royale to restore genetic diversity and maintain a sustainable population. These ongoing management actions aim to preserve the delicate balance between wolves and their prey while studying the island ecosystem's dynamics.

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