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

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2009, 18(5), pp.293-299
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

박지은 1 Lee, Sang-Don ORD ID 1

1이화여자대학교

Accredited

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).

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