It is extremely difficult to define a “natural” ecosystem, because many water bodies have had some form of human alteration at some point in time. That becomes the challenge of using the term “natural”.
Nicholas Winfield Director General, Ecosystems Management, Department of Fisheries and Oceans
It is extremely difficult to define a “natural” ecosystem, because many water bodies have had some form of human alteration at some point in time. That becomes the challenge of using the term “natural”.
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