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Spring 2007 Update: Fall Zooplankton

During September and October, zooplankton biomass is greatest in the MAB and least in the GOM and GB. Zooplankton biomass was near peak through the mid-1990s, but a gradual decline in biomass started in about 2000. Regional declines in fall zooplankton coupled with regional increases in annual zooplankton indicate important regional dynamics affect the shelf-wide annual patterns.

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