호소 생태계에서의 수환경 평가를 위한 동물플랑크톤 적용 연구
(주)코리아스칼라
- 최초 등록일
- 2023.06.05
- 최종 저작일
- 2023.03
- 11페이지/ 어도비 PDF
- 가격 4,200원
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서지정보
ㆍ발행기관 : 한국하천호수학회
ㆍ수록지정보 : 생태와 환경 / 56권 / 1호
ㆍ저자명 : 김현우, 허유지, 이경락
목차
Abstract
서 론
재료 및 방 법
결과 및 고 찰
1. 조사지 개황 및 육수학적 특성
2. 호소별 동물플랑크톤 동태
3. 호소 규모 및 영양상태별 동물플랑크톤 동태
REFERENCES
영어 초록
This study compares the abundance and community structure of zooplankton organisms from pelagic regions, and considers particularly the trophic levels vs. zooplankton abundances and biomass. Zooplankton samples were collected three times from May to November 2022, at 30 temperate lakes and reservoirs, which belong to four different river basins. The total zooplankton abundance, biomass and species index were showed considerable spatial variation. The spatial pattern of rotifer abundance was similar to that of total zooplankton abundance, while there were not showed similar patterns of zooplankton biomass (μg L-1) in lentic ecosystems. The rotifer strongly dominated the zooplankton assemblage in smaller lentic system than that of larger. A total of 130 species of zooplankton were identified (83 rotifers, 34 cladocerans and 13 copepods). The total average of zooplankton abundance and biomass were 213.7±342.3 Ind. L-1 (n=129) and 1382.8±1850.4 μg L-1, respectively. Total and average of zooplankton abundance were usually dominated by the rotifers (>56.9%), while those of zooplankton biomass were dominated by the cladocerans and copepods (>73.6%) in lentic ecosystems. Considering the Trophic State Index (TSI), the factors of zooplankton abundance and biomass were included in between meso- and eutrophic states (27 lakes, 90% of all). The mean abundance and biomass of zooplankton in eutrophic systems were higher than that of meso- and hypertrophic systems. From this result, we suggest that management strategy for the lentic ecosystem water environment has to be focused more on small-sized lakes and reservoirs, in terms of zooplankton assemblages.
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