An Ecological-Physical Coupled Model with Ontogenetic Vertical Migration of Zooplankton in the Northwestern Pacific |
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| Authors: | Michio J Kishi Hitoshi Motono Makoto Kashiwai Atsushi Tsuda |
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| Institution: | (1) Graduate School of Fisheries Sciences, Hokkaido University, Minato-cho 3-1-1, Hakodate, Hokkaido 041-8611, Japan;(2) Hokkaido National Institute of Fisheries, Katsurakoi 116, Kushiro, Hokkaido 085-0802, Japan |
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| Abstract: | A vertical one-dimensional ecosystem model with vertical migration of zooplankton was constructed and applied to Station A-7
off Sanriku district of Japan in the northwest Pacific Ocean. The model consists of an eight-compartment ecosystem model coupled
with a physical model of the oceanic mixed layer. The transition of phytoplankton species responsible for the spring bloom
is well reproduced by this model with vertical migration of zooplankton but is not simulated by the model without vertical
migration. This new model also simulates an observed inter-annual variability of the spring bloom, with the timing and intensity
of the simulated bloom in a given year depending upon the strength of mixing during the preceding winter.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | Ecosystem model vertical migration zooplankton northwestern Pacific Neocalanus plumchurus |
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