There are a lot of examples around that. You can look at the crown-of-thorns starfish on the Great Barrier Reef. There are active controls on crown-of-thorns starfish because of their ecological impact on the Great Barrier Reef. It is true that management actions within protected areas are acceptable, and they occur all around the world.
If you're talking about seal management or something like that, we could get into the details of it, if you would like. I'm not sure if that's your question.