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Spring 2007 Update: Long Term Temperature Trends

Recruitment of fish stocks is a complex process dependant on both spawning stock size and environmental factors. For a number of stocks, environmental factors appear to be contributing to higher recruitment via transport mechanisms and the role of feeding opportunities for early life stages. The potential role of these and other factors are being explored for stocks on Georges Bank where we have seen improved recruitment over the past decade while zooplankton populations of the Northeast Shelf ecosystem have also increased. The indication of important regional and seasonal dynamics means that temporal and spatially-explicit examinations of zooplankton are required to further examine the link between lower-trophic level production and fisheries production.

Long Term Temperature-Area 1 (Gulf of Maine)
Long Term Temperature-Area 4 (Georges Bank)
Long Term Temperature-Area 3 (S. New England)
Long Term Temperature-Area 5 (Mid Atlantic Bight)

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