Questions of my Topic

1. Ecosystems are complex. What features must an ecosystem have to be balanced? especially for The Lake Champlain?

2. Why the ecosystem balance of The Lake Champlain is important for the Vermonters, even for Americans and whole people of the world?

3. Weather the human direct activities has larger influence than the natural activities or not ?
     1> How do  human activities effect the ecosystem of  The Lake Champlain?
     2> How do the natural factors effect the ecosystem of The Lake Champlain?(especially for  climate change)

4.What determine the productivity of ecosystem?

5.Can you describe a stable or ideal community of ecosystem of The Lake Champlain?