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한국산 갈조식물 지충이의 지리적 형태변이 KCI 등재

Geographical Variations of Sargassum thunbergii Morphology in Korea

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  • URLhttps://db.koreascholar.com/Article/Detail/284889
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한국환경생물학회 (Korean Society Of Environmental Biology)
초록

In this study, we investigated the effect of geographical variations on Sargassum thunbergii morphology to make a taxonomic reconsideration about infraspecific taxa in this species. In order to examine the morphological characteristics of S. thunbergii, total 27 matured and morphologically intact thalli were collected from the east, west and south coast in spring 2011. Interestingly, it was observed that the species populations on the west coast were characterized by short, thin and coarse thallus, and soft texture. However, the populations on the east coast showed thicker thallus, larger leaf and vesicle, and tougher texture. Thallus height of S. thunbergii was found to be similar at both east and west coast. Further, the height of the thallus and lateral branch of the species populations residing south coast were highest whereas the size of leaf and vesicle are shortest, in comparison with east and west coast species. Although morphological characteristics of the north east coast populations corresponded to the original description of S. thunbergii f. latifolium, we could not find exact morphological features and diagnostic characters to distinguish form in S. thunbergii. These results indicated that it is not the optimal characteristics to identify infraspecific form in this species. In contrast, morphological variations may signify the adaptation of this species to local environmental factors. Thus, we recommend that intraspecific morphological variation of S. thunbergii should be carefully used to identify infraspecific taxa.

목차
서 론
 재료 및 방법
  1. 연구장소
  2. 환경요인
  3. 재료의 채집과 외부형태적 특징
  4. 통계 분석
 결 과
  1. 환경요인
  2. 외부형태학적 특징
 고 찰
 적 요
 사 사
 REFERENCES
저자
  • 김상일(제주대학교 해양생명과학과) | Sangil Kim
  • 오윤식(경상대학교 생물학과) | Yoon Sik Oh
  • 원남일(한국수자원공사 K-water 연구원) | Nam-Il Won
  • 박상률(제주대학교 해양생명과학과) | Sang Rul Park Corresponding author