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U.S. Globec: Nwa Georges Bank - Processes Controlling Abundance Of Dominant Copepod Species On Georges Bank: Local Dynamics And Large-Scale Forcing, Jeffrey A. Runge
U.S. Globec: Nwa Georges Bank - Processes Controlling Abundance Of Dominant Copepod Species On Georges Bank: Local Dynamics And Large-Scale Forcing, Jeffrey A. Runge
University of Maine Office of Research Administration: Grant Reports
A fundamental goal of Biological Oceanography is to understand how underlying biological-physical interactions determine abundance of marine organisms. For animal populations, it is well known that factors controlling survival during early life stages (i.e., recruitment) are strong determinants of adult population size, but understanding these processes has been difficult due to model and data limitations. Recent advances in numerical modeling, together with new 3D data sets, provide a unique opportunity to study the biological-physical processes controlling zooplankton population size. This project uses an existing state-of-the-art biological/physical numerical model (FVCOM) together with the recently processed large 3D data set from the …
U.S.-Globec: Nwa Georges Bank: Effects Of Climate Variability On Calanus Dormancy Patterns And Population Dynamics In The Northwest Atlantic, Jeffrey A. Runge
U.S.-Globec: Nwa Georges Bank: Effects Of Climate Variability On Calanus Dormancy Patterns And Population Dynamics In The Northwest Atlantic, Jeffrey A. Runge
University of Maine Office of Research Administration: Grant Reports
Calanoid copepods are key organisms throughout the world's oceans, consuming primary and secondary production at high rates, and serving as prey for invertebrates, larval and small pelagic fish, seabirds, and marine mammals. Many of the most abundant copepods in temperate and high latitudes, including Calanus finmarchicus in the Northwest Atlantic, can spend part of their life cycle in dormancy, a state of suppressed development. During dormancy, copepods escape unproductive surface waters and reside in deep water for several months, after which they emerge and migrate to the surface, usually prior to the spring bloom. The timing and abundance of copepods …