Estimation of Survivorship and Population Dynamics of White-fronted Geese (Anser albifrons) in Junam Reservoir, Korea

주남저수지에 도래하는 쇠기러기의 PVA에 의한 생존확률 추정 연구

  • 박지은 (이화여자대학교 에코과학부) ;
  • 이상돈 (이화여자대학교 에코과학부)
  • Received : 2009.05.13
  • Accepted : 2009.10.11
  • Published : 2009.10.31

Abstract

Wintering migratory species of white-fronted geese (Anser albifrons) are common visitor in South Korea, and this study examined the survivorship of white-fronted geese in the Junam Reservoir with the application of Population Viability Analysis (PVA) technique. In Junam PVA analysis was done for the next 50 years using factors of breeding population, sex ratios, survivorship in the VORTEX program. As a result white-fronted geese will reach to carrying capacity within 40 years, and population will reach to carrying capacity later when it becomes smaller. Also with a large initial population white-fronted geese will reach to carrying capacity earlier. In conclusion, for the next 50 years the white-fronted geese are expected to a long-term survival with stable condition with survivorship (0.03) and extinction rate (0.0).

Keywords

References

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