If that's true, and the overwhelming majority wanted to preserve the south watershed, wouldn't it be a reasonable conclusion to say that the aboriginal wishes for this particular area are to preserve the entire South Nahanni watershed? Wasn't that the overwhelming choice of the people who were consulted, many of whom would have been aboriginal by definition?
Evidence of meeting #37 for Environment and Sustainable Development in the 41st Parliament, 2nd session. (The original version is on Parliament’s site, as are the minutes.) The winning word was sahtu.
A recording is available from Parliament.