Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Distribution and Abundance of Finless Porpoise (Neophocaena phocaenoides) in the West Coast of Korea

한국 서해안 상괭이 (Neophocaena phocaenoides)의 분포와 풍도

  • ZHANG Chang Ik (Department of Marine Production Management, Pukyong National University) ;
  • PARK Kyum Joon (Department of Marine Production Management, Pukyong National University) ;
  • KIM Zang Geun (National Fisheries Research and Development Institute) ;
  • SOHN Hawsun (National Fisheries Research and Development Institute)
  • Published : 2004.04.01
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Abstract

Visual line-transect surveys for the finless porpoise (Neophocaena phocaenoides) were conducted in the offshore of the west coast of Korea (WCOK) from 18 April to 17 May 2001 $(34^{\circ}18'\;to\;37^{\circ}18'N,\;123^{\circ}00'\;to\;126^{\circ}00'E),$ and in the inshore of the west coast of Korea (WCIK) from 29 July to 2 August 2003 $(35^{\circ}17'\;to\;36^{\circ}17'N,\;126^{\circ}00'\;to\;126^{\circ}25'E).$ A total of transect survey efforts were 810.27 n.m. in 2001 and 216.09 n.m. in 2003, which cover a survey areas of $23,012\;n.m^2\;and\;1,550\;n.m^2,$ respectively. There were 76 and 24 sightings for the finless porpoise during the surveys in the WCOK (2001) and the WCIK (2003), respectively. More than $80\%$ of the finless porpoise occurred near the coast within 15 n.m. from the land. Porpoise were observed mainly in a depth range from 20 to 50 m $(78\%).$ Few porpoise were observed in a depth shallower than 10 m or deeper than 60 m. The hazard-rate model, truncated at the largest $5\%$ distance, showed the best fitting from the frequency distribution of perpendicular distance of the finless porpoise sighted from the trackline in the WCOK (2001), while the uniform model showed the best fitting from in the WCIK (2003). Abundance of finless porpoises were estimated to be 58,650 individuals ($95\%$ CI=34,961-98,389) in the WCOK (2001) and 1,571 individuals ($95\%$ CI=881-2,800) in the WCIK (2003), respectively.

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References

  1. Akaike, H. 1985. Prediction and entropy. In: A Celebration of Statistics. Atkinson, A.C. and S.E. Feinberg, eds.Springer-Verlag, Berlin, pp. 1-24
  2. Barros, N.B., T.A. Jefferson and E.C.M. Parsons. 2002. Feeding of finless porpoises (Neophocaena phocae-noides) in Hong Kong waters. Raffles Bull. Zoo., Suppl., 10, 115-123
  3. Buckland, S.T., D.R. Anderson, K.P. Burnham and J.L. Laake. 1993. Distance Sampling. In: Estimating Abun- dance of Biological Populations. Chapman & Hall, London, reprinted (1999) by Research Unit for Wild- life Population Assessment, St. Andrews, Scotland, pp. 446
  4. Burnham, K.P., D.R. Anderson, G.C. White, C. Brownie and K.C. Pollock. 1987. Design and analysis methods for fish survival experiments based on release-recap- ture. American Fisheries Society Monographs. No 5. American Fisheries Society. Betheda. Maryland, pp. 43
  5. CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora). 2003. Checklist of CITES Species. Compiled by UNEP-WCMC. Inskipp, T. and H.J. Gillett, eds. CITES Secretariat, Geneva, Switzerland and UNEP-WCMC, Cambridge, UK. pp. 339 and CD-ROM
  6. Jefferson, T.A., S.K. Hung, L. Law, M. Torey and N.S. Tregenza. 2002a. Distribution and abundance of finless porpoise in Hong Kong and adjacent waters of China. Raffles Bull. Zoo., Suppl.,10, 43-55
  7. Jefferson, T.A., K.M. Rovertson, and J.Y. Wang. 2002b. Growth and reproduction of the finless porpoise in southern China. Raffles Bull. Zoo., Suppl., 10, 105-113
  8. Kasuya, T., Y. Yamamoto and T. Iwatsuki. 2002. Abun-dance decline in the finless porpoise population in the Inland Sea of Japan. Raffles Bull. Zoo., Suppl., 10, 57-65
  9. ESL (Environmental Simulation Laboratory). 2004. Marine explorer version 4.0. Saitama, Japan
  10. IWC (International Whaling Commission). 1983. Chair-man's report of the Thirty-fourth annual meeting. Rep. Int. Whal. Comm., 33, 20-42
  11. NFRDI (National Fisheries Research & Development Institute). 2002. Acoustical study of cetacean. NFRDI Subject Report, pp. 129. (in Korean)
  12. Park, G.B. 1987. Whaling history of Korean peninsula. Taehwa Press, pp. 562. (in Korean)
  13. Reeves, R.R., J.Y. Wang and S. Leatherwood. 1997. The finless porpoise, Neophocaena phocaenoides (G. Cuvier 1892). In: A summary of current knowledge and recommendations for conservation action. AsianMar. Biol., 14, 111-143
  14. Shirakihara, M., A. Takemura and K. Shirakihara. 1993. Age, growth and reproduction of the finless porpoise, Nephocaena phocaenoides, in the coastal waters of western Kyushu, Japan. Mar. Mam. Sci., 9, 392-406 https://doi.org/10.1111/j.1748-7692.1993.tb00472.x
  15. Thomas, L., J.L. Laake, S. Stindberg, F.F.C. Marques, D.L. Borchers, S.T. Buckland, D.R. Anderson, K.P Burnham, S.L. Hedley and J.H. Pollard. 2001. Dis- tance 4.0 Beta 4. Research unit for wildlife population assessment, University of St. Andrews, UK
  16. Yoshida, H., K. Shirakihara, H. Kishino and M. Shiraki-hara. 1997. A population size estimate of the finless porpoise, Neophocaena phocaenoides, from aerial sighting surveys in Ariake Sound and Tachibana Bay, Japan. Res. Popul. Ecol., 39, 239-247 https://doi.org/10.1007/BF02765270
  17. Yoshida, H. 2002. Population structure of finless porpoises (Neophocaena phocaenoides) in coastal waters of Japan. Raffles Bull. of Zoo. Suppl., 10, 35-42

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