I would say false, the goal of Wildlife refuges is to protect and grow the population or number of animals of a species. Endangerment is threatening lives of many species every day, the goals of refuges is to protect these animals and provide a safe and healthy environment. Not to keep humans completely away from them, to False.
Humans can disrupt the ecosystem by for an example drilling under the ground so you can find oil well that is bad because it increases having more earthquakes.
Answer:
Proper cleanliness of water..
