IPY 2007-2008 research cruises Graduate School of Fisheries Sciences & Faculty of Fisheries HOKKAIDO UNIVERSITY The International Polar Year Contact US
Marine Ecosystem Responses to Global Climate Change in the Bering and Chukchi Seas, OSHORO-MARU IPY Research Cruise

Global Change, Sea Ice and Marine Environment, Marine Ecosystem,Questios
Marine Ecosystem Responses to Global Climate Change in the Bering and Chukchi Seas
Training Ship Oshoro-Maru IPY 2007-2008 research cruises


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Global Change

Global change, including climate warming due to the greenhouse effect, is expected to occur in the Arctic region. Variation of the Earth's surface temperature in degree Celsius. image From IPCC

Sea Ice and Marine Environment

The coverage and thickness of sea ice is decreasing in the Arctic region. The effects of meltwater on the marine environment are of concern. Sea ice concentration (%) in July 1987 and July 2006.
Image From NSIDC

Marine Ecosystem

Little is known regarding the responses of marine ecosystems to global change, especially changes in fish distribution and diversity.

Distribution of Arctic cod in the Bering and Chukchi seas in 1991 and 1992.


1. What are the relationships among productivity, the diversity of marine organisms, ocean environmental conditions, and sea ice conditions under global change?

2. Has the distribution of fish species changed in relation to data collected in 1991 and 1992?

3. How do marine ecosystems respond to global change?

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