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Carrying capacity of an uninhabited island off the southwestern coast of Korea

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  • Nam, Jungho
  • Chang, Wonkeun
  • Kang, Daeseok

Abstract

An emergy evaluation was carried out to assess the carrying capacity of a small, uninhabited island (Woosedo) off the southwestern coast of Korea. The sea area within 1km from the high tide level of the island was included in the evaluation. The total environmental emergy input to Woosedo was 1.66E19sej/yr, with the most emergy contribution from the tidal energy. The land and marine ecosystems of Woosedo contributed 4.97millionEm$ (7600Em$/ha/yr) to the Korean economy annually. If Woosedo was developed to the national average at the emergy investment ratio of 2.86, its carrying capacity was estimated at 1034 people at the current living standard of Korea. With this population, the island system would not be sustainable with a very low emergy sustainability index of 0.36. At the same living standard used in the developed scenario, the carrying capacity of the island would be 370 people for a sustainable development scenario and 270 people if the renewable emergy were the only source to support the population. The emergy contribution of the marine ecosystem of the island was the major source of support in determining the level of carrying capacity of the island.

Suggested Citation

  • Nam, Jungho & Chang, Wonkeun & Kang, Daeseok, 2010. "Carrying capacity of an uninhabited island off the southwestern coast of Korea," Ecological Modelling, Elsevier, vol. 221(17), pages 2102-2107.
    • Handle: RePEc:eee:ecomod:v:221:y:2010:i:17:p:2102-2107
    DOI: 10.1016/j.ecolmodel.2010.05.016
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    Cited by:

    1. Xiaofan Li & Yongchun Yang & Qingmin Meng, 2021. "Comparative Analysis of Three Governance Modes for Resource-Based Urban Sustainability in China Based on Residents’ Perception: An Empirical Study of Pingdingshan City, Henan Province, China," Sustainability, MDPI, vol. 13(24), pages 1-24, December.
    2. Wang, Ran & Cheng, Jinhua & Zhu, Yali & Xiong, Weiwei, 2016. "Research on diversity of mineral resources carrying capacity in Chinese mining cities," Resources Policy, Elsevier, vol. 47(C), pages 108-114.
    3. Xiaotong Xie & Xiaoshun Li & Weikang He, 2020. "A Land Space Development Zoning Method Based on Resource–Environmental Carrying Capacity: A Case Study of Henan, China," IJERPH, MDPI, vol. 17(3), pages 1-19, February.
    4. Cho, Cheol-Joo, 2013. "An exploration of reliable methods of estimating emergy requirements at the regional scale: Traditional emergy analysis, regional thermodynamic input–output analysis, or the conservation rule-implicit," Ecological Modelling, Elsevier, vol. 251(C), pages 288-296.
    5. Wang, Ran & Cheng, Jinhua & Zhu, Yali & Lu, Peixin, 2017. "Evaluation on the coupling coordination of resources and environment carrying capacity in Chinese mining economic zones," Resources Policy, Elsevier, vol. 53(C), pages 20-25.

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