2 ecology questions upvoted recently on ResearchGate, Notification from Internet, Interesting discussion on these questions / issues. Ecosystem health, water, self-purification.

Two ecology questions upvoted recently on ResearchGate,
Notification from Internet,
Interesting discussion on these questions / issues. Ecosystem health, water, self-purification.
http://5bio5.blogspot.com/2015/09/2-ecology-questions-upvoted-recently-on.html

P.F. Zabrodskii upvoted the question:What do you think on the term 'ecosystem health', especially in case of aquatic ecosystems?

P.F. Zabrodskii upvoted the question:What is the role of biota in water self-purification?