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Answer :
Final answer:
The greatest moose population at Isle Royale National Park occurred in 1995 with approximately 2,450 moose. The wolf population at that time was around 34 wolves. If the moose population decreases, the wolf population would likely decrease as well. Removing wolves from Isle Royale could initially lead to an increase in the moose population, but could cause long-term issues.
Explanation:
The greatest moose population occurred at Isle Royale National Park in 1995 with an estimated population of around 2,450 moose. In that same year, the wolf population on the island was approximately 34 wolves. This was considered the greatest moose population because it was driven by favorable environmental conditions such as mild winters, abundant forage, and low wolf predation.
If the moose population decreases on Isle Royale, the wolf population would also likely decrease. This is because wolves rely on moose as their primary food source, so if there are fewer moose available, the wolves will have less food to sustain their population.
If the wolves were removed from Isle Royale, the moose population would likely increase initially because there would be no predation pressure. However, over time, the moose population could become overpopulated and potentially experience resource depletion and health issues.
The pattern between the wolf (predator) population and the moose (prey) population on Isle Royale is generally cyclical. When the moose population is high, it provides a plentiful food source for the wolves, leading to an increase in the wolf population. As the wolf population increases, it puts more predation pressure on the moose, causing the moose population to decline. This decline in moose population then causes a subsequent decrease in the wolf population due to reduced food availability. This cycle repeats as the moose population recovers and the wolf population follows suit.
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Here are the answers to the questions about the predator-prey graph of Isle Royale National Park:
1. The greatest moose population on Isle Royale was 2,400, which occurred in 1995. The wolf population at that time was around 500.
2. The wolf population would likely decrease if the moose population decreases. Wolves rely on moose as their primary prey source, so a decline in moose would mean less food available for them. This could lead to starvation, lower pup survival rates, and potentially even emigration from the island.
3. The moose population would likely increase if the wolves were removed from Isle Royale. Without predators to keep their numbers in check, the moose population could grow unchecked, potentially exceeding the island's carrying capacity. This could le
4. The graph shows a cyclical pattern between the wolf and moose populations. When the moose population is high, there is more food available for the wolves, so their population increases. As the wolf population increases, they prey on more moose, causing the moose population to decline. When the moose population is low, there is less food available for the wolves, so their population also declines. This cycle has been playing out on Isle Royale for decades, and it is a classic example of predator-prey dynamics.
Question:
Predator-Prey Graph: Isle Royale National Park on a remote island was established in 1940 , and designated a wideness area in 1976. The only mode of transportation available is by boat or seaplane. Moose first arrived at isle Royale around 1900 . The moose population tends to increase in years with mild winters, early spring green-up, abundant winter forage, low wolf numbers and low levels of tick infestation. Wolves first arrived at the island on an ice bridge from Canada in 1940 . Disease has also influenced the wolf population. Between 1980 and 1982, the wolf population declined from 50 to 14 , due to canine parvovirus.
1. What is the greatest moose population? What year did that occur? What was the wolf population when the moose population the greatest?
2. What would happen to the wolf population if the moose population decreases?
3. What would happen to the moose population if the wolves were removed from isle Royale?
4. Describe the pattern between the wolf (predator) population in relation to the moose (prey) population.
Predator Prey graph on isle Royale:
