It wouldn't interfere with the structure, composition, and function of the ecosystem at all.
The answer is going to be that if this is the reason you're creating a marine protected area, for its ecological integrity, that's when you create it. Then your management systems are a whole set of additional decisions, regulation-making, and so on.
I have additional amendments further on in this package that I can tell you're not going to like, that would say that we shouldn't allow bottom trawling in marine protected areas. But that's not the decision that's made at the creation. The creation of a marine protected area now has criteria (a) to (e). With this amendment accepted, it would have criteria (a) to (f) and that criterion (f) might never be used by a minister, but if it were used, then the purpose of creating the marine protected area would be to protect its ecological integrity and that would apply to specific ecological treasures that we find in our marine zones.