In response to that point, I will withdraw my comment regarding “in or for”, because I think Ms. Duncan's suggestion is for an alternative version, which I would accept, which is, “for their work in a community relating to the park”.
Evidence of meeting #19 for Environment and Sustainable Development in the 40th Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was clause.
A recording is available from Parliament.