Articles | Volume 12, issue 23
Research article
04 Dec 2015
Research article |  | 04 Dec 2015

Why is Trichodesmium abundant in the Kuroshio?

T. Shiozaki, S. Takeda, S. Itoh, T. Kodama, X. Liu, F. Hashihama, and K. Furuya

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Cited articles

Bell, P. R. F., Elmetri, I., and Uwins, P.: Nitrogen fixation by Trichodesmium spp. in the central and northern Great Barrier Reef lagoon: relative importance of the fixed-nitrogen load, Mar. Ecol.-Prog. Ser., 186, 119–126, 1999.
Brown, M. T., Landing, W. M., and Measures, C. I.: Dissolved and particulate Fe in the western and central North Pacific: Results from the 2002 IOC cruise, Geochem. Geophy. Geosy., 6, Q10001,, 2005.
Capone, D. G., Zehr, P. J., Paerl, H. W., Bergman, B., and Carpenter, E. J.: Trichodesmium, a globally significant marine cyanobacterium, Science, 276, 1221–1229, 1997.
Chen, C. T. A.: Distributions of nutrients in the East China Sea and the South China Sea connection, J. Oceanogr., 64, 737–751, 2008.
Chen, Y. L. L., Chen, H. Y., Tuo, S. H., and Ohki, K.: Seasonal dynamics of new production from Trichodesmium N2 fixation and nitrate uptake in the upstream Kuroshio and South China Sea basin, Limnol. Oceanogr., 53, 1705–1721, 2008.
Short summary
The high abundance of Trichodesmium and active nitrogen fixation in the Kuroshio were not explained by the nutrient (nitrate, phosphate, and iron) distribution. We observed a Trichodesmium bloom and high nitrogen fixation near islands situated along the Kuroshio. Numerical particle-tracking experiments simulated the transportation of water around the Ryukyu Islands to the Kuroshio. Our results indicate that Trichodesmium growing around the Ryukyu Islands could be advected into the Kuroshio.
Final-revised paper