The distribution of chlorophylla,protein, RNA and DNA in the North Pacific Ocean |
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Authors: | Masayuki Takahashi Hiroko Nagai Yukuya Yamaguchi Shun-ei Ichimura |
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Institution: | (1) Institute of Oceanography, University of British Columbia, V6T 1W5 Vancouver, B.C., Canada;(2) Tokugawa Institute for Biological Research, Mejiro, Toshima-ku, 171 Tokyo, Japan;(3) Department of Botany, Tokyo Kyoiku University, Otsuka, Bunkyo-ku, 112 Tokyo, Japan |
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Abstract: | Chla, protein, RNA and DNA were measured in 400 samples taken from the surface down to 5,000 m at 27 oceanographical stations in the North Pacific Ocean. Two section diagrams of these cellular constituents were given along 155°E and 155°W meridians, and several vertical profiles of the four constituents were also given at some stations near Japan. The average concentration ranges of Chla, protein, RNA and DNA obtained in this study area were 0.025–0.862, 11.4–88.1, 1.36–35.3 and 0.13–5.24 g/l, respectively. Chla was distributed mostly in the photic zone as we would expect. However protein, RNA were in high concentrations within the photic zone and sometimes extremely high concentrations in the deep aphotic zone. |
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