Overfishing and other human pressures are severely harming marine protected areas worldwide
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A new study by Tel Aviv University reveals significant ecological damage to many MPAs around the world. The study findings point to a strong "edge effect" in MPAs, i.e. a sharp 60% reduction in the fish population living at the edges of the MPA (up to a distance of 1-1.5 km within the MPA) compared to core areas. The "edge effect" significantly diminishes the effective size of the MPA, and largely stems from human pressures, first and foremost overfishing at the borders of the MPA.