Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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Flora and Life Form of Habitats for Nannophya pygmaea Rambur

꼬마잠자리 서식지의 식물상과 생활형

  • Kim, Myung-Hyun (Climate Change and Agroecology Division, National Academy of Agricultural Science, RDA) ;
  • Han, Min-Su (Climate Change and Agroecology Division, National Academy of Agricultural Science, RDA) ;
  • Choi, Chul-Mann (Analysis Support Center, The Foundation of Agricultural Technology Commercialization and Transfer) ;
  • Pang, Hye-Sun (Climate Change and Agroecology Division, National Academy of Agricultural Science, RDA) ;
  • Jung, Myung-Pyo (Climate Change and Agroecology Division, National Academy of Agricultural Science, RDA) ;
  • Na, Young-Eun (Climate Change and Agroecology Division, National Academy of Agricultural Science, RDA) ;
  • Kang, Kee-Kyung (Climate Change and Agroecology Division, National Academy of Agricultural Science, RDA)
  • 김명현 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 한민수 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 최철만 (농업기술실용화재단) ;
  • 방혜선 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 정명표 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 나영은 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 강기경 (농촌진흥청 국립농업과학원 기후변화생태과)
  • Received : 2010.06.11
  • Accepted : 2010.06.25
  • Published : 2010.06.30
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Abstract

The aim of this study was to provide basic informations for restoring a habitat of Nannophy pygmaea Rambur. Environments and flora of the habitats were investigated in Youngdong, Sanbuk, and Nongam South Korea. The habitats were abandoned paddy fields with tree-unshaded space and with the water depths of about 2 - 10 cm all the year round. The water quality was recorded 5.44 - 7.33 in pH, 0.017 - 0.480 dS/m in EC, 1.34 - 4.94 mg/L in T-N and 0.06 - 0.46 mg/L in T-P. The pH and EC showed a wide range values, and T-N and T-P showed a high values comparatively. This result implies that a water quality does not important as the condition for a habitat of the species. A total of 86 vascular plant taxa belonging to 35 families, 60 genera, 67 species, 2 subspecies, 14 varieties and 3 forma were recognized in the habitats. Twenty two species (25.6%) overlapped among the habitats; Equisetum arvense, Salix koreensis, Persicaria thunbergii, Stellaria alsine var. undulata, Hypericum laxum, Kummerowia striata, Epilobium pyrricholophum, Oenanthe javanica, Mosla dianthera, Utricularia vulgaris var. japonica, Plantago asiatica, Eupatorium lindleyanum, Juncus diastrophanthus, J. effusus var. decipiens, J. papillosus, Aneilema keisak, Alopecurus aequalis, Arthraxon hispidus, Carex dickinsii, Cyperus sanguinolentus, Eleocharis acicularis for. longiseta and E. congesta. Biological type was determined to be HH-R5-D4-e(t) type; HH 39 taxa (45.3%), R5 42 taxa (48.8%), D4 59 taxa (68.6%) and e (or t) 23 taxa (26.7%).

본 연구는 꼬마잠자리 복원을 위한 기초자료를 제공하기 위하여, 이들 서식지의 환경과 식물상을 조사하였다. 꼬마잠자리 서식지의 환경적 특성은 상관이 수목에 의해 가려지지 않는 즉 직사광선이 차단되지 않는 개방된 습지로써 연중 물이 마르지 않고 수심 2-10 cm정도를 유지하고 있었다. 수질분석결과 pH와 EC는 매우 넓은 범위의 값을 나타냈고, T-N과 T-P는 매우 높은 값을 가지는 것으로 나타났다. 이러한 결과를 볼 때, 수질이 꼬마잠자리의 서식지에 직접적으로 큰 영향을 미치지는 않는 것으로 판단된다. 꼬마잠자리 서식지에 분포하는 관속식물은 35과 60속 67종 2아종 14변종 3품종으로 총 86분류군인 것으로 조사되었다. 과별로는 사초과와 벼과가 가장 많이 차지했다. 조사지역 간 공통으로 출현한 식물종은 쇠뜨기, 버드나무, 고마리, 벼룩나물, 좀고추나물, 매듭풀, 바늘꽃, 미나리, 쥐깨풀, 통발, 질경이, 골등골나물, 별날개골풀, 골풀, 청비녀골풀, 사마귀풀, 뚝새풀, 조개풀, 도깨비사초, 방동사니대가리, 쇠털골, 바늘골로 총 22분류군이었다. 출현한 관속식물의 생활 조성을 살펴보면, 휴면형은 HH형이 39분류군(45.3%), 번식형에서 지하기관형은 R5가 42분류군(48.8%), 산포기관형은 중력산포형(D4)이 59분류군(68.6%), 생육형은 직립형(e)과 총생형(t)이 각각 23분류군(26.7%)으로 조사되어 꼬마잠자리 서식지의 생물학적 유형(biological type)은 HH-R5-D4-e(t)임을 확인하였다.

Keywords

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