Title Page
Contents
Abstract 8
1. Introduction 10
2. Materials and Methods 14
2.1. Study Area 14
2.2. Juvenile Rock Worms and Experimental design 16
2.3. Data collection 17
2.4. Statistical Analysis 17
3. RESULTS 22
3.1. Growth performance and Survival rate 22
3.2. Abundance of Copepods 22
3.3. Water Quality Parameters 23
4. Discussion and Conclusion 33
References 37
Table 1. Weight gain, Specific growth rate and Survival rate of Marphysa... 24
Fig. 1. General morphological features and structure of polychaetes. 11
Fig. 2. Fisheries and science technology centre of Pukyong National University (PKNU)... 15
Fig. 3. Collection of worms (A) Specimen collection of individual worms siphoned... 18
Fig. 4. Experimental set-up (A): Arrangement of boxes (B) nets used to collect copepods... 19
Fig. 5. Experimental water preparation. 20
Fig. 6. Collection of juvenile rock worms for experiments (A) Scooping sediment bit by... 21
Fig. 7. Weight gain of Marphysa sanguinea juveniles exposed to tidal water drainage for... 25
Fig. 8. Specific growth rate of Marphysa sanguinea juveniles exposed to tidal water... 26
Fig. 9. Survival rate of Marphysa sanguinea juveniles exposed to tidal water drainage... 27
Fig. 10. Trend of copepod abundance recorded during rearing of Marphysa sanguinea... 28
Fig. 11. Trend of nitrate (NO₂) concentration recorded in rearing water of M.... 29
Fig. 12. Trend of ammonia (NH₃) concentration recorded in rearing water of M..... 30
Fig. 13. Trend of alkalinity concentration recorded in rearing water of M sanguinea... 31
Fig. 14. Trend of pH concentration recorded in rearing water of M sanguinea... 32