Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Looking for an Adequate Methodology for the Korean Reservoir Using Canonical Correspondence Analysis

CCA를 통한 한국 호소 연구 방법론 탐색

  • Chung, Sang-Ok (Inland Fisheries Ecological Research Institute-NFRDI-MOMAF) ;
  • Jeon, Hyoung-Joo (Inland Fisheries Ecological Research Institute-NFRDI-MOMAF) ;
  • Hong, Kwan-Eui (Inland Fisheries Ecological Research Institute-NFRDI-MOMAF) ;
  • Kim, Jong-Hwa (Inland Fisheries Ecological Research Institute-NFRDI-MOMAF) ;
  • Park, Young-Seuk (Department of Biology, College of Natural Sciences, Kyung Hee University)
  • 정상옥 (국립수산과학원 내수면생태연구소) ;
  • 전형주 (국립수산과학원 내수면생태연구소) ;
  • 홍관의 (국립수산과학원 내수면생태연구소) ;
  • 김종화 (국립수산과학원 내수면생태연구소) ;
  • 박영석 (경희대학교 이과대학 생물학과)
  • Published : 2006.12.30
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Abstract

With a few exceptions, Korean lakes are artificially constructed for multi-purposes throughout the country. In the majority of cases, a lake is in a multiple series of reservoirs along a river or is an estuary Moreover, nutrient supplying activities (including sand extraction) and biomanipulation(esp., overfishing and fish introduction) are omnipresent in most cases. Furthermore, there is an Asian monsoon every year. In brief, europhication and algal blooms break out as a result of complicated causes. However limnological monitoring and scientific working programs are in the course of beginning. The question is what kind of strategy is desirable to establish a solid limnological database for the efficiency of the restoration process in each Korean reservoir We present light monitoring cases on the basis of algal and some physicochemical data in 2005. Do they give some useful informations despite their simplicity. Based on physicochemical factors and phytoplankton data using Utermohl method and Canonical Correspondence Analysis(CCA) were performed for Lake Cheongpyeong, Lake ASan, Lake Namyang, and Lake SapGyo. The results of CCA showed that Lake Cheongpyeong was different from the other three Lakes at estuary. Also each Lake at estuary was slightly different from one other. This result would encourage to initiate building an adequate Korean reservoir-ecosystem understanding and models for better ecological management despite the limited data. However, the results also indicate to sustain collecting ecological data and building database to interpret the Korean ecological reservoir model.

인간 간섭에 영향을 크게 받는 인공호소가 대부분인 우리나라의 호소 특성과 보다 나은 생태계 관리 방안을 도출하고자 하는 목적에서 2005년 4개 호소의 이화학적 요인과 담수조류 정량분석에 의거한 기초자료를 바탕으로 통계학적 분석을 시도하였다. Canonical Correspondence Analysis(CCA)를 하구호인 남양호, 삽교호, 아산호 및 북한강 중하류 수계에 연쇄적으로 위치한 댐호 중 하나인 청평호에 적용하였다 그 결과, 청평호는 3개 하구호와 구분되는 특징을 보였으며, 청평호를 제외한 CCA결과, 아산호-삽교호-남양호 간에도 차이를 보여주었다. 담수조류 군집 구성은 제한된 자료량 때문인지 해석이 생태학적 해석에 어려움이 따랐다. 따라서, 보다 지속적이고 심화된 담수조류 연구 및 기타요인의 채집 및 분석이 수행될 필요가 있음이 나타났다. 그러나, 제한된 자료량에도 불구하고, 청평호 및 3개 호소의 큰 두 그룹으로 호소 그룹이 특징지워진 것은 CCA 적용이 유효함을 나타낸 것으로 보인다.

Keywords

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