표제지
목차
Ⅰ. 서론 7
Ⅱ. 재료 및 방법 12
2.1. 조사시기 및 조사지점 선정 12
2.2. 논산천과 탑정호의 경험적 모델 (Empirical Model) 분석 14
2.3. 어류 생태지표 특성 분석 15
2.4. 어류 군집분석 16
2.5. 어류평가지수(FAI)에 의한 하천 생태 건강도 평가 17
Ⅲ. 결과 및 고찰 19
3.1. 이화학적 수질 특성 19
3.2. 강우에 따른 수질 변화 특성 24
3.3. 유수시스템(논산천)와 정수시스템(탑정호)의 특성 27
3.4. 논산천과 탑정호의 경험적 모델 (Empirical Model) 구축 30
3.5. 어류내성도길드와 섭식길드 분석 및 어류 군집분석 33
3.6. 어류 기반의 FAI 생태건강도 모델 분석 39
3.7. 어류상 및 종 분포 특성 41
Ⅳ. 결론 44
Ⅴ. 인용문헌 45
ABSTRACT 49
Table 1. Fish community metrics, scoring criteria, and class boundaries for the Fish Assessment Index(FAI) in Nonsan Stream 18
Table 2. Mean, standard deviation, and the range of BOD, COD, SS, TN, TP, TN:TP ratios and CHL-a in the sites. The statistical tests of ANOVA were conducted in the study 22
Table 3. BOD and TP in post–2015 expectation and result of this study in Nonsan Stream 23
Table 4. Mean, standard deviation, and the range of BOD, COD, SS, TN, TP, TN:TP ratios and the CHL-a in the lotic and lentic ecosystem.... 29
Table 5. The ecosystem of health assessments, based on FAI (Fish Assessment Index) 40
Table 6. Fish fauna based on tolerance guilds, trophic guilds, habitat guilds in Nonsan Stream. 42
Fig. 1. The map showing the sampling sites in Nonsan Stream(S1-S4) & Topjeong Reservoir(R1, R2) 13
Fig. 2. Spatial variation of water quality based on biological oxygen demand (BOD), chemical oxygen demand (COD), conductivity, suspended solids (SS),... 21
Fig. 3. Seasonal change in water quality parameters based on BOD, COD, conductivity, SS, TN, TP, TN:TP ratio, CHL-a in the sites... 26
Fig. 4. Spatial variation of water quality based on BOD, COD, conductivity, SS, TN, TP, TN:TP ratio, CHL-a in Lotic & Lentic water. 28
Fig. 5. Empirical models and the regression equations of the trophic variables(TN, TP, CHL-a, TN:TP, TDP) on the Nonsan Stream and Tapjeong Reservoir 32
Fig. 6. Tolerance guild and tropic guild analysis in the site of Nonsan Stream 36
Fig. 7. Community analysis, based on the species diversity index(H'), species richness index(d), evenness index(J'), dominance index(λ) in Nonsan Stream 38