표제지
Abstract
목차
I. 서론 7
II. 재료 및 방법 9
1. 조사지역 및 시료채취 9
2. 시료 분석방법 10
1) 물리·화학적 환경인자 10
2) 식물플랑크톤 10
3) 동물플랑크톤 11
4) 통계분석 11
III. 결과 13
1. 물리·화학적 환경인자 13
1) 담수 방류량 13
2) 수온, 염분, 탁도, 용존산소 14
2. 식물플랑크톤 16
1) Chlorophyll-a 16
2) 군집구조 18
3. 동물플랑크톤 19
1) 군집구조 19
2) 종 조성 21
4. 통계분석 22
1) 종 다양성 지수 22
2) nMDS 23
3) 상관분석 25
IV. 고찰 27
V. 결론 29
참고문헌 30
Table 3-1. Total amount of discharge (5 days) before the sampling date in the Youngsan River estuary. 13
Table 3-2. List of zooplankton appeared in the Youngsan River estuary. 20
Table 3-3. Correlation matrix of phytoplankton & zooplankton between physical and chemical environmental factors in the Youngsan River estuary (N=12). 26
Fig. 2-1. Study stations in the Youngsan River estuary. 9
Fig. 3-1. Physical and chemical environmental factors during study period (July, September and December 2014, April 2015) in the Youngsan River estuary. 15
Fig. 3-2. Chlorophyll-a concentration of during study period in the Youngsan River estuary. 16
Fig. 3-3. Chlorophyll-a contribution(%) of size-fractionated phytoplankton(micro-, nano-, pico-size). 17
Fig. 3-4. Phytoplankton composition(%) during the study periods. 18
Fig. 3-5. Relative abundance of zooplankton major groups during the study periods. 20
Fig. 3-6. Variability of zooplankton species abundance during the study periods(upper panels include Acartia sp., Eurytemora pacifica and Paracalanus spp.; lower... 21
Fig. 3-7. Phytoplankton & zooplankton species diversity during the study periods. 22
Fig. 3-8. Results of non-metric multidimensional scaling (nMDS) analysis of phytoplankton community; vector indicate the strength and direction of the water... 23
Fig. 3-9. Results of non-metric multidimensional scaling (nMDS) analysis of zooplankton community; vector indicate the strength and direction of the water... 24