The researchers behind the budding Ocean Health Index recognize the hubris of trying to summarize everything from water quality to fishing status to recreation in a single number, but they maintain it’s a necessarily audacious move.
Oceans are peopled, too! Assessing all of the ways the world’s oceans directly benefit humans is not easy, but it must be done in any honest accounting for the Ocean Health Index.
Economic models can illuminate the monetary value of beaches and mangroves, but if local people aren't engaged in conservation, market forces — and coastal ecosystems — may be dead in the water.