No-take marine areas help fishers (and fish) far more than we thought | HALIEUTIQUE MER ET LITTORAL | Scoop.it

One hectare of ocean in which fishing is not allowed (a marine protected area) produces at least five times the amount of fish as an equivalent unprotected hectare, according to new research published today.

This outsized effect means marine protected areas, or MPAs, are more valuable than we previously thought for conservation and increasing fishing catches in nearby areas.

Previous research has found the number of offspring from a fish increases exponentially as they grow larger, a disparity that had not been taken into account in earlier modelling of fish populations. By revising this basic assumption, the true value of MPAs is clearer."

crédit photo : A juvenile Plectropomus leopardus from the Whitsundays. David Williamson/James Cook University