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Research Letters in Ecology
Volume 2008, Article ID 185642, 4 pages
http://dx.doi.org/10.1155/2008/185642
Research Letter

Increased Chlorophyll Levels in the Southern Caspian Sea Following an Invasion of Jellyfish

1Dolmabahce Sarayi, 2 Hareket Kosku, 34353 Besiktas, Istanbul, Turkey
2Mazandaran Fisheries Research Center, Caspian Sea Research Institute in Ecology, P.O. Box 961, Sari, Iran
3European Commission-Joint Research Centre, Institute for Environment and Sustainability, TP272, 21027 Ispra, Italy
4European Commission - Joint Research Centre, Institute for the Protection and Security of the Citizen, TP051, 21027 Ispra, Italy

Received 10 December 2007; Accepted 18 February 2008

Academic Editor: Mark Gibbons

Copyright © 2008 Ahmet E. Kideys et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. A. G. Kasimov, “New introduced species in the Caspian Sea—Mnemiopsis leidyi,” in Proceedings of the 1st International Workshop on The Invasion of the Caspian Sea by the Comb Jelly Mnemiopsis—Problems, Perspectives, Need for Action, A. Agassiz, Ed., p. 5, Baku, Azerbaijan, April 2001.
  2. E. Mutlu, “Distribution and abundance of ctenophores and their zooplankton food in the Black Sea. II. Mnemiopsis leidyi,” Marine Biology, vol. 135, no. 4, pp. 603–613, 1999. View at Publisher · View at Google Scholar
  3. E. E. Deason and T. J. Smayda, “Ctenophore-zooplankton-phytoplankton interactions in the Narragansett Bay, Rhode Island, USA, during 1972–1977,” Journal of Plankton Research, vol. 4, no. 2, pp. 203–217, 1982. View at Publisher · View at Google Scholar
  4. A. E. Kideys, “Ecology: fall and rise of the Black Sea ecosystem,” Science, vol. 297, no. 5586, pp. 1482–1484, 2002. View at Publisher · View at Google Scholar · View at PubMed
  5. A. E. Kideys, A. Roohi, S. Bagheri, G. Finenko, and L. Kamburska, “Impacts of invasive ctenophores on the fisheries of the Black Sea and Caspian Sea,” Oceanography, vol. 18, no. 2, pp. 76–85, 2005. View at Google Scholar
  6. G. A. Finenko, A. E. Kideys, B. E. Anninsky et al., “Invasive ctenophore Mnemiopsis leidyi in the Caspian Sea: feeding, respiration, reproduction and predatory impact on the zooplankton community,” Marine Ecology Progress Series, vol. 314, pp. 171–185, 2006. View at Publisher · View at Google Scholar
  7. T. A. Shiganova, H. J. Dumont, A. F. Sokolsky, A. M. Kamakin, D. Tinenkova, and E. K. Kurasheva, “Population dynamics of Mnemiopsis leidyi in the Caspian Sea, and effects on the Caspian ecosystem,” in Aquatic Invasions in the Black, Caspian, and Mediterranean Seas, H. Dumont, T. A. Shiganova, and U. Niermann, Eds., vol. 35, pp. 71–111, Kluwer Academic, Dordrecht, The Netherlands, 2004. View at Publisher · View at Google Scholar
  8. M. Rowshantabari, Distribution of zooplankton of the southern Caspian Sea (order copepoda), M.S. thesis, Tarbiat Modares University, Tehran, Iran, 2001.
  9. A. N. Kosarev and E. A. Yablonskaya, The Caspian Sea, SPB Academic, Amsterdam, The Netherlands, 1994.
  10. A. E. Kideys and M. Moghim, “Distribution of the alien ctenophore Mnemiopsis leidyi in the Caspian Sea in august 2001,” Marine Biology, vol. 142, no. 1, pp. 163–171, 2003. View at Google Scholar
  11. C. E. Mills, “Jellyfish blooms: are populations increasing globally in response to changing ocean conditions?,” Hydrobiologia, vol. 451, no. 1–3, pp. 55–68, 2001. View at Publisher · View at Google Scholar
  12. C. P. Lynam, M. J. Gibbons, B. E. Axelsen et al., “Jellyfish overtake fish in a heavily fished ecosystem,” Current Biology, vol. 16, no. 13, pp. R492–R493, 2006. View at Publisher · View at Google Scholar · View at PubMed
  13. M. Bilio and U. Niermann, “Is the comb jelly really to blame for it all? Mnemiopsis leidyi and the ecological concerns about the Caspian Sea,” Marine Ecology Progress Series, vol. 269, pp. 173–183, 2004. View at Publisher · View at Google Scholar
  14. J. E. Purcell, “Climate effects on formation of jellyfish and ctenophore blooms: a review,” Journal of the Marine Biological Association of the United Kingdom, vol. 85, no. 3, pp. 461–476, 2005. View at Publisher · View at Google Scholar
  15. G. M. Daskalov and E. V. Mamedov, “Integrated fisheries assessment and possible causes for the collapse of anchovy kilka in the Caspian Sea,” ICES Journal of Marine Science, vol. 64, no. 3, pp. 503–511, 2007. View at Publisher · View at Google Scholar
  16. R. Stone, “Attack of the killer jellies,” Science, vol. 309, no. 5742, pp. 1805–1806, 2005. View at Publisher · View at Google Scholar · View at PubMed
  17. G. A. Finenko, Z. A. Romanova, G. I. Abolmasova et al., “Ingestion, growth and reproduction rates of the alien Beroe ovata and its impact on the plankton community in Sevastopol Bay (the Black Sea),” Journal of Plankton Research, vol. 25, no. 5, pp. 539–549, 2003. View at Publisher · View at Google Scholar
  18. L. Ireland, “The Caspian: hydrobiological survey of the chirag oilfield area,” Azerbaijan International, 1994. View at Google Scholar
  19. M. G. Karpinsky, “Aspects of the Caspian Sea benthic ecosystem,” Marine Pollution Bulletin, vol. 24, no. 8, pp. 384–389, 1992. View at Publisher · View at Google Scholar
  20. H. J. Dumont, “The Caspian lake: history, biota, structure, and function,” Limnology and Oceanography, vol. 43, no. 1, pp. 44–52, 1998. View at Google Scholar
  21. V. V. Sapozhnikov, “Processes of the accumulation of nutrients in the deep-water basins of the central and southern areas of the Caspian Sea,” Oceanology, vol. 42, no. 5, pp. 646–650, 2002. View at Google Scholar
  22. CEP, “National report of Iran for Caspian environment programme,” Programme Coordination Unit, Baku, Azerbaijan, 1998. View at Google Scholar
  23. F. Stolberg, O. Borysova, I. Mitrofanov, V. Barannik, and P. Eghtesadi, “Global international waters assessment, Caspian Sea,” Regional Assessment Report, University of Kalmar, Kalmar, Sweden, 2006. View at Google Scholar
  24. M. A. Salmanov, Ecology and Biological Productivity of the Caspian Sea, Institute of Zoology, Baku, Azerbaijan, 1999.
  25. T. Oguz, “Black Sea ecosystem response to climatic teleconnections,” Oceanography, vol. 18, pp. 122–133, 2005. View at Google Scholar
  26. P. Kremer, “Respiration and excretion by the ctenophore Mnepiopsis leidyi,” Marine Biology, vol. 44, no. 1, pp. 43–50, 1977. View at Publisher · View at Google Scholar
  27. O. A. Yunev, V. I. Vedernikov, O. Basturk et al., “Long-term variations of surface chlorophyll a and primary production in the open Black Sea,” Marine Ecology Progress Series, vol. 230, pp. 11–28, 2002. View at Publisher · View at Google Scholar
  28. Z. M. Kuliyev, “Dynamics of Mnemiopsis distribution in the Azerbaijan sector of the Caspian Sea in 2001–2002,” in Aquatic Invasions in the Black, Caspian and Mediterranean Seas: The Ctenophores Mnemiopsis leidyi and Beroe in the Ponto-Caspian and other Aquatic Invasions, H. Dumont, T. A. Shiganova, and U. Niermann, Eds., vol. 35, pp. 203–204, Kluwer Academic, Dordrecht, The Netherlands, 2004. View at Publisher · View at Google Scholar
  29. G. C. Hays, A. J. Richardson, and C. Robinson, “Climate change and marine plankton,” Trends in Ecology and Evolution, vol. 20, no. 6, pp. 337–344, 2005. View at Publisher · View at Google Scholar · View at PubMed
  30. J. D. R. Houghton, T. K. Doyle, M. W. Wilson, J. Davenport, and G. C. Hays, “Jellyfish aggregations and leatherback turtle foraging patterns in a temperate coastal environment,” Ecology, vol. 87, no. 8, pp. 1967–1972, 2006. View at Publisher · View at Google Scholar
  31. C. P. Lynam, M. R. Heath, S. J. Hay, and A. S. Brierley, “Evidence for impacts by jellyfish on North Sea herring recruitment,” Marine Ecology Progress Series, vol. 298, pp. 157–167, 2005. View at Publisher · View at Google Scholar
  32. K. A. Pitt, M. J. Kingsford, D. Rissik, and K. Koop, “Jellyfish modify the response of planktonic assemblages to nutrient pulses,” Marine Ecology Progress Series, vol. 351, pp. 1–13, 2007. View at Publisher · View at Google Scholar