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Regrowth of kelp after removal of sea urchins (Strongylocentrotus droebachiensis)
(NIVA-rapport;7431, Research report, 2019)With few natural predators, green sea urchins (Strongylocentrotus droebachiensis) have grown in numbers, grazed down large kelp forest areas in Northern Norway into urchin barrens. NIVA deployed three underwater cages ...