Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
권호 표지

Adaptation Patterns of Prickly Lettuce in Korea

가시상추의 한국 적응 유형

  • Published : 1998.04.01
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Abstract

Tje dispersion and adaptation of the recently immograted plant, prickly lettuce (Lactuca serriola), were studied. The distribution of prickly lettuce was limited to south of the central districts of the Korean peninsula. The distrbution range is being diffused contimnuously by manual transportation. The 10 selected sites showed typical road side vegetation of an early successional stage; tje quadrats had 90% herbaceous cover, 5% shrub cover, and no tree cover. Dominant species were Kummerowia stipulacea, Ixeris chinensis, Ambrosia artemisiifolia, Lactuca indica, Toungia sonchifolia, Cephalonoplos segetum, Rubus parvifolius, Izeris polycdphala, Hemistepta lyrata, Cercis chinensis Artemisia capillaris. The investigated sites were divided into 4 patterns based on vegetation with high dissimilarity. The presence of mant patterns, despite high livels of differences, indicated that the characteristic prickly lettuce communities were not yet formed.

외근에 귀화한 가시상추(Lactuca serriola)의 분산과 적응을 연구하였다. 가시ㅛ　추의 분포는 한반도 중부지방의 남부에 제한되었다. 그 분포지역은 인간에 의한 이동으로 점차 확산되고 잇었다. 10개의 조사지역의 관측결과 천이의 초기단뎨에 있는 노변식생으로 나타났다. 즉 측수의 90%의 초본층과 5%의 관목층으로 구성되었으나 교목층은 없었다. 우점종군은 Kummeroverowia stipulacea, Ixeris chimensis, Ambrosia artemisiifolia., Lactuca indica, Tiungia sonchifolia, Cephalonoplos segetum, Rubus parvifolius, Ixeris polycephala, Hemistepta Lyrata, Cercis chinensis Artemisia capillaris 이었다. 조사지역은 식생의 높은 상이도로 4개유형으로 구분되지만 많은 우형이 나타나는 것은 아직 가시상추의 특유한 군락은 형성하지 못하고 있음을 보였다.

Keywords

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