The Korean Journal of Ecology

The Ecological Society of Korea (한국생태학회)
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Distribution of Taraxacum in the Western Area of Kyonggido, Korea

경기도 서부 일원의 민들레속 식물의 분포

  • 박헌우 (충북대학교 사범대학 과학교육과) ;
  • 박인근 (충북대학교 사범대학 과학교육과)
  • Published : 1997.02.01
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Abstract

This study was conducted to investigate the distributions of the native and introduced dandelins in the western Kyonggido area and to determine the environmental factor influencing distribution of dandelions. One hundered and thirty seven study sites were randomly selected along roadsides in urban areas, arable lands, apartment areas and industry regions, and vegetation, dandelion's seed characters and soil acidity were sureyed. Throughout the areas the introduced dandelions were more widely distributed than the native ones. The native dandelions were scarcely distributed in the developed areas and roadsides. The introduced dandelions were dominantly distributed in the new environments where soils were alkalized by the trban development, road pavement, and construction of new buildings, while the native ones were mostly distributed in the rural area with weakly acid soil. The seed production of the introduced ones were two times more than that of the native ones. The seed of the introduced ones were lighter than that of the native ones. The introduced ones yield seeds more than four times a year. These results suggested the urbanization and the seed characters to bet the two dominant factors influencing the distribution of dandelions.

Keywords

References

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