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- Kuwata, Akira, et al. Show all 7 Authors
- Progress in oceanography 2012 v.97-100 pp. 63-75
- Copepoda; carnivores; drawdown; feeding methods; food webs; nitrates; nitrogen; phytoplankton; stable isotopes; surface water; temporal variation; time series analysis; winter; zooplankton
- ... Regional differences in the mechanisms of temporal variation in the lower trophic levels in the western, central, and eastern subarctic North Pacific were studied using the nitrogen stable isotope ratio (δ¹⁵N) of the major copepod species, Neocalanus cristatus, Neocalanus flemingeri, and Neocalanus plumchrus. We used formalin-preserved specimens collected in the Oyashio region (OY), three sections ...