In the States, we have a Ranger structure, whereby you can call a ranger district that can answer questions about that district. Similarly, you can call higher up the food chain for questions affecting larger areas.
Is there an equivalent government entity in Canada?
At the federal level your best bet is either Parks Canada or the Canadian Forest Service, which is part of Natural Resources Canada, which also has tons of other relevant areas such as maps and map data.
At the provincial level there is a whole gamut of environment, forestry and fishery departments.
