Using six different climate model simulations, a large multi-university study of ocean ecosystems predicts, by 2050 A. D., " a global increase in primary production of 0. 7 % at the low end to 8. 1 % at the high end ," although with " very large regional differences " including " a contraction of the highly productive marginal sea ice biome by 42 % in the Northern Hemisphere and 17 % in the Southern Hemisphere.

Using six different climate model simulations, a large multi-university study of ocean ecosystems predicts, by 2050 A. D., " a global increase in primary production of 0. 7 % at the low end to 8. 1 % at the high end ," although with " very large regional differences " including " a contraction of the highly productive marginal sea ice biome by 42 % in the Northern Hemisphere and 17 % in the Southern Hemisphere.

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