Challenges
Terra Nova, like many parks, has challenges in preserving its ecological integrity. Firstly, one of the mechanisms to renew a boreal forest ecosystem is forest fire - something that hasn't happened in the region in many years. As a result, the forest of Terra Nova is not mixed. It is mostly old growth forest with trees of roughly the same age. Forest fire renews the forest and creates new habitat for many boreal creatures. Another challenge facing Terra Nova is introduced species. Newfoundland suffers from "the island effect". Islands can have very different ecosystems than their mainland counterparts. For example, the island of Newfoundland only has 14 native mammals while neighboring Nova Scotia has over 40.
Read more about this topic: Terra Nova National Park
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