Study identifies key species which act as warning signs of ecosystem collapse @tveitdal

Svein T veitdal ‏@tveitdal  4 minutes ago

Study identifies key species which act as warning signs of ecosystem collapse https://www.theguardian.com/environment/blog/2016/aug/19/study-identifies-key-species-which-act-as-warning-signs-of-ecosystem-collapse …

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