…if we are to maintain the health of ocean ecosystems, says Professor Ove Hoegh-Guldberg, Director of the Global Change Institute at the University of Queensland in this video presentation, given to a symposium at the recent Our Changing Oceans conference in Washington DC. It’s sobering viewing. Here are the primary messages from the symposium:
- There is a large body of empirical evidence indicating that anthropogenic climate change is substantially impacting ocean ecosystems. The evidence comes from many taxa, locations and habitats.
- Changes in biological function in the ocean caused by anthropogenic climate change go far beyond death, extinctions and habitat loss: fundamental processes are being altered, community assemblages are being reorganized and ecological surprises are likely.
- These changes will have significant consequences for people.
Perhaps even more importantly, Ove suggests that 450 ppm atmospheric CO2 is not a comfortable target. Hat tip to Ove’s co-author John Bruno for posting this at Skeptical Science earlier today. See also Ove’s excellent climateshifts.org blog.