Environmental factors which affect growth of Japanese common squid, Todarodes pacificus, analyzed by a bioenergetics model coupled with a lower trophic ecosystem model

• Kishi, Michio J.

• Nakajima, Kazuto

• Fujii, Masahiko

• Hashioka, Taketo

抄録

Bioenergetics model is applied to Japanese common squid, Todarodes pacificus. The temporal change of wet weight of common squid, which migrates in the Sea of Japan, is simulated. The time dependent horizontal distribution of prey is calculated a priori by 3-D coupled physical–biological model. The biological model NEMURO (North Pacific Ecosystem Model for Understanding Regional Oceanography) is used to simulate the lower-trophic ecosystem including three kinds of zooplankton biomass two of which is used as prey of common squid. A bioenergetics model reproduced appropriate growth curve of common squid, migrating in the North Pacific and the Sea of Japan. The results show that the wet weight of common squid in the northern Sea of Japan is heavier than that migrating in the central Sea of Japan, because prey density of the northern Sea of Japan is higher than that of the central Sea of Japan. We also investigate the wet weight anomaly for a global warming scenario. In this case, wet weight of common squid decreases because water temperature exceeds the optimum temperature for common squid. This result indicates that migration route and spawning area of common squid might change with global warming.

収録刊行物

• Journal of Marine Systems

  Journal of Marine Systems 78 (2), 278-287, 2009-09

  Elsevier

キーワード

• NEMURO
• Bioenergetics model
• Todarodes pacificus
• Japanese common squid

詳細情報

• CRID: 1050282813978867712
• NII論文ID: 120001648584
• NII書誌ID: AA10775411
• HANDLE: 2115/39739
• ISSN: 09247963
• 本文言語コード: en
• 資料種別: journal article
• データソース種別:
  • IRDB
  • CiNii Articles