"There is no hope of saving the global coral reef ecosystem." A World Without Coral Reefs

#Environment

Tue, Jul 17th, 2012 11:00 by capnasty NEWS

In The New York Times' Opinion Page, Roger Bradbury discusses the inevitable end of the coral reefs, once a thriving underwater world, now nothing more than a zombie ecosystem, "neither dead nor truly alive in any functional sense, and on a trajectory to collapse within a human generation."

[...] by persisting in the false belief that coral reefs have a future, we grossly misallocate the funds needed to cope with the fallout from their collapse. Money isn't spent to study what to do after the reefs are gone -- on what sort of ecosystems will replace coral reefs and what opportunities there will be to nudge these into providing people with food and other useful ecosystem products and services. Nor is money spent to preserve some of the genetic resources of coral reefs by transferring them into systems that are not coral reefs. And money isn't spent to make the economic structural adjustment that communities and industries that depend on coral reefs urgently need. We have focused too much on the state of the reefs rather than the rate of the processes killing them.

Overfishing, ocean acidification and pollution have two features in common. First, they are accelerating. They are growing broadly in line with global economic growth, so they can double in size every couple of decades. Second, they have extreme inertia -- there is no real prospect of changing their trajectories in less than 20 to 50 years. In short, these forces are unstoppable and irreversible. And it is these two features -- acceleration and inertia -- that have blindsided us.

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