Search Results - "Aita, M. N"

Phytoplankton competition during the spring bloom in four plankton functional type models by Hashioka, T, Vogt, M, Yamanaka, Y, Le Quéré, C, Buitenhuis, E. T, Aita, M. N, Alvain, S, Bopp, L, Hirata, T, Lima, I, Sailley, S, Doney, S. C

“…We investigated the mechanisms of phytoplankton competition during the spring bloom, one of the most dramatic seasonal events in lower-trophic-level…”
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Wind-driven interannual variability of sea ice algal production in the western Arctic Chukchi Borderland by Watanabe, E, Onodera, J, Harada, N, Aita, M. N, Ishida, A, Kishi, M. J

“…Seasonal and interannual variability in the biogenic particle sinking flux was recorded using multi-year bottom-tethered sediment trap mooring systems in the…”
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Comparing food web structures and dynamics across a suite of global marine ecosystem models by Sailley, S.F., Vogt, M., Doney, S.C., Aita, M.N., Bopp, L., Buitenhuis, E.T., Hashioka, T., Lima, I., Le Quéré, C., Yamanaka, Y.

“…•Comparison of the zooplankton in four Dynamic Green Ocean Models.•Zooplankton role in defining the food web dynamics in ecosystem models.•Zooplankton food…”
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Development of a one-dimensional ecosystem model including the iron cycle applied to the Oyashio region, western subarctic Pacific by Shigemitsu, M., Okunishi, T., Nishioka, J., Sumata, H., Hashioka, T., Aita, M. N., Smith, S. L., Yoshie, N., Okada, N., Yamanaka, Y.

“…To investigate the iron cycle at Station A4 in the Oyashio region of the western subarctic Pacific, we developed a 1‐D ecosystem model consisting of 14…”
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Linear relationship between carbon and nitrogen isotope ratios along simple food chains in marine environments by Aita, Maki Noguchi, Tadokoro, Kazuaki, Ogawa, Nanako O., Hyodo, Fujio, Ishii, Reiichiro, Smith, S. Lan, Saino, Toshiro, Kishi, Michio J., Saitoh, Sei-Ichi, Wada, Eitaro

“…To examine the relationship between carbon and nitrogen stable isotope (SI) ratios (δ 13C and δ 15N) of zooplankton, we analyzed samples collected bimonthly…”
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An Ecosystem Model Coupled with Nitrogen-Silicon-Carbon Cycles Applied to Station A7 in the Northwestern Pacific by Yamanaka, Y, Yoshie, N, Fujii, M, Aita, M N, Kishi, MJ

“…A model based on that of Kishi et al. (2001) has been extended to 15 compartments including silicon and carbon cycles. This model was applied to Station A7 off…”
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Effects of ontogenetic vertical migration of zooplankton on annual primary production - using NEMURO embedded in a general circulation model by Aita, Maki N., Yamanaka, Yasuhiro, Kishi, Michio J.

“…We developed a global three‐dimensional physical–biological coupled model and applied it in simulations with and without ontogenetic seasonal vertical…”
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From climate regime shifts to lower-trophic level phenology: Synthesis of recent progress in retrospective studies of the western North Pacific by Chiba, Sanae, Aita, Maki N., Tadokoro, Kazuaki, Saino, Toshiro, Sugisaki, Hiroya, Nakata, Kaoru

“…Pelagic ecosystems of the western North Pacific have experienced dramatic changes in recent decades. Prior retrospective analysis of several regions has shown…”
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Interdecadal variation of the lower trophic ecosystem in the northern Pacific between 1948 and 2002, in a 3-D implementation of the NEMURO model by Aita, Maki Noguchi, Yamanaka, Yasuhiro, Kishi, Michio J.

“…Regime shifts, consisting of decadal-scale oscillations in atmosphere–ocean systems, have recently been the focus of many marine ecosystem studies. These…”
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North Pacific basin-scale differences in lower and higher trophic level marine ecosystem responses to climate impacts using a nutrient-phytoplankton–zooplankton model coupled to a fish bioenergetics model by Megrey, Bernard A., Rose, Kenneth A., Ito, Shin-ichi, Hay, Douglas E., Werner, Francisco E., Yamanaka, Yasuhiro, Aita, Maki Noguchi

“…We present a modeling approach where we use one common model formulation of a 11 state variable lower trophic level model that includes two groups of…”
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Simulated herring growth responses in the Northeastern Pacific to historic temperature and zooplankton conditions generated by the 3-dimensional NEMURO nutrient–phytoplankton–zooplankton model by Rose, Kenneth A., Werner, Francisco E., Megrey, Bernard A., Aita, Maki Noguchi, Yamanaka, Yasuhiro, Hay, Douglas E., Schweigert, Jake F., Foster, Matthew Birch

“…The infrequent occurrence of climate regime shifts and the long-lived life history of many harvested fish species imply that quantitative understanding of the…”
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