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Spatial distribution patterns and implications for conservation ofScrophularia takesimensis (Scrophulariaceae), an endangered endemic species on Ulleung Island, Korea

Journal of Plant Biology volume 51, Article number: 213 (2008) Cite this article

Abstract

As part of an on-going effort to conserve endangered and endemicScrophularia takesimensis (Scrophulariaceae), we analyzed its spatial distribution patterns by applying an index of dispersion, plant-to-all-plant distances, and the varying quadrat size method. Three indices — Dispersion, Morisita, and Standardized Morisita — all revealed clumping with small aggregates, and distances between aggregates were more or less regular. The asymptote level occurred at a distance of 20 to 30 m; the distance showing 90% of cumulative frequency coincided with 20 to 21 m; 95%, 24 to 25 m; and 99%, 31 to 32 m. The 20 m× 20 m and 40 m×40 m quadrats contained 25 and 40 plants, respectively. We conclude that this number of individuals and size of area are the minimum required for the conservation of this species.

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Authors and Affiliations

  1. Department of Biology, Soonchunhyang University, 336-745, Asan, Korea

    Yeongseok Lim, Sung-Tae Na & Hyunchur Shin

  2. Researcn Institute of EcoScience, Ewha Woman’s University, 20-750, Seoul, Korea

    Sung-Jin Lee

  3. Department of Biology, Inha University, 402-751, Incheon, Korea

    Kang Hyun Cho

Authors
  1. Yeongseok Lim
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  2. Sung-Tae Na
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  3. Sung-Jin Lee
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  4. Kang Hyun Cho
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  5. Hyunchur Shin
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Correspondence to Hyunchur Shin.

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Lim, Y., Na, ST., Lee, SJ. et al. Spatial distribution patterns and implications for conservation ofScrophularia takesimensis (Scrophulariaceae), an endangered endemic species on Ulleung Island, Korea. J. Plant Biol. 51, 213 (2008). https://doi.org/10.1007/BF03030701

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  • DOI: https://doi.org/10.1007/BF03030701

Keywords

  • Conservation
  • Scrophularia takesimensis
  • spatial distribution pattern
  • Ulleung Island