Title Page
Contents
ABSTRACT 8
1. Introduction 10
1.1. Cochlodinium polykrikoides 10
1.2. Impacts of HABs on sustainable fisheries 13
1.3. Research Background and Purpose 16
2. Research Materials and Methods 18
2.1. Study Area 18
2.2. Data and Materials 23
2.3. Data processing 27
3. Results and Discussion 29
3.1. Statistical analysis 29
3.2. Spatio-temporal analysis 48
4. Conclusions 53
REFERENCES 55
Table 1. Cell density, seawater temperature ranges, time duration, total days and... 29
Table 2. Cell density, seawater temperature ranges, time duration, total days and... 31
Table 3. Cell density, seawater temperature ranges, time duration, total days and... 33
Fig. 1. Light and fluorescent micrographs of Cochlodinium polykrikoides. 12
Fig. 2. Harmful algal blooms caused by Cochlodinium polykrikoides 14
Fig. 3. Massive fish kills caused by harmful algal blooms 14
Fig. 4. Study area bathymetry 19
Fig. 5. Regional surface currents 21
Fig. 6. Study area location. 22
Fig. 7. Map showing the sampling stations and study area. 23
Fig. 8. C. polykrikoides blooms occurrence in the Southern Coast of Korea (2000~2015). 25
Fig. 9. Process adopted in the study. 25
Fig. 10. (a) Map of red tide occurrence (image)-(b) Red tide occurrence location (long.... 26
Fig. 11. Illustration of Kernel Density tool result. 28
Fig. 12. (a) Annual and (b) Monthly number of HAB occurrences and total days in Wando. 30
Fig. 13. (a) Annual and (b) Monthly number of HAB occurrences and total days in Yeosu. 32
Fig. 14. (a) Annual and (b) Monthly number of HAB occurrences and total days in... 34
Fig. 15. (a) Annual and (b) Monthly number of HAB occurrences during 2002~2015 in the... 35
Fig. 16. Level of cell density (Max) of HAB during 2002~2015 (July~October) in South... 41
Fig. 17. Frequency of seawater temperature and cell density of C. polykrikoides during... 42
Fig. 18. Relations between seawater temperature and cell density of C. polykrikoid during... 44
Fig. 19. Relations between seawater temperature and cell density of C. polykrikoid during... 45
Fig. 20. Relations between seawater temperature and cell density of C. polykrikoid during... 46
Fig. 21a. Spatio-temporal distribution of C. polykrikoides blooms occurrence in the... 48
Fig. 21b. Spatio-temporal distribution of C. polykrikoides blooms occurrence in the... 49