Tse, Pan. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 86-92). / Abstracts in English and Chinese. / Chapter Chapter 1. --- General introduction --- p.1 / Chapter 1.1. --- Chaetognatha --- p.1 / Chapter 1.2. --- Morphology and anatomy --- p.1 / Chapter 1.3. --- Food and feeding behaviour --- p.3 / Chapter 1.4. --- Locomotion --- p.3 / Chapter 1.5. --- Study location --- p.3 / Chapter 1.6. --- Significance of study --- p.4 / Chapter 1.61. --- Species composition and seasonal abundance --- p.4 / Chapter 1.62. --- Diel vertical migration and diel feeding activity --- p.5 / Chapter 1.63. --- Predation impact --- p.5 / Chapter 1.7. --- Objectives --- p.6 / Chapter Chapter 2. --- Species composition and seasonal abundance of Chaetognatha --- p.7 / Chapter 2.1. --- Introduction --- p.7 / Chapter 2.11. --- Species composition --- p.7 / Chapter 2.12. --- Study sites --- p.9 / Chapter 2.13. --- Objective --- p.9 / Chapter 2.2. --- Materials and methods --- p.11 / Chapter 2.21. --- Field sampling --- p.11 / Chapter 2.22. --- Laboratory analysis --- p.11 / Chapter 2.23. --- Data analysis --- p.12 / Chapter 2.3. --- Results --- p.12 / Chapter 2.31. --- Temperature and salinity --- p.12 / Chapter 2.32. --- Species composition --- p.14 / Chapter 2.33. --- Dominant species --- p.18 / Chapter 2.34. --- Species richness and species diversity --- p.20 / Chapter 2.4. --- Discussion --- p.23 / Chapter 2.41. --- Species composition --- p.23 / Chapter 2.42. --- Flaccisagitta enflata --- p.24 / Chapter 2.43. --- Aidanosagitta neglect a --- p.25 / Chapter 2.44. --- Aidanosagitta delicata --- p.26 / Chapter 2.45. --- Species richness and species diversity --- p.26 / Chapter 2.46. --- Prey abundance --- p.27 / Chapter 2.47. --- Spatial influences --- p.27 / Chapter 2.5. --- Conclusion --- p.28 / Chapter Chapter 3. --- Diel vertical migration and feeding activity of Flaccisagitta enflata --- p.29 / Chapter 3.1. --- Introduction --- p.29 / Chapter 3.11. --- Abundance --- p.29 / Chapter 3.12. --- Diel vertical migration --- p.29 / Chapter 3.12. --- Diel feeding activity --- p.30 / Chapter 3.13. --- Study sites --- p.30 / Chapter 3.2. --- Objectives --- p.31 / Chapter 3.3. --- Materials and methods --- p.31 / Chapter 3.31. --- Sample collection --- p.31 / Chapter 3.32. --- Laboratory analysis --- p.32 / Chapter 3.33. --- Data analysis --- p.32 / Chapter 3.4. --- Results --- p.33 / Chapter 3.41. --- Hydrography --- p.33 / Chapter 3.42. --- Flaccisagitta enflata abundance --- p.33 / Chapter 3.43. --- Diel vertical migration --- p.38 / Chapter 3.44. --- Dietary composition --- p.42 / Chapter 3.45. --- Prey abundance --- p.47 / Chapter 3.46. --- Food containing ratio --- p.51 / Chapter 3.5. --- Discussion --- p.51 / Chapter 3.51. --- Flaccisagitta enflata abundance --- p.51 / Chapter 3.52. --- Diel vertical migration --- p.55 / Chapter 3.53. --- Diel feeding activity --- p.57 / Chapter 3.6. --- Conclusion --- p.58 / Chapter Chapter 4. --- Predation impact of Flaccisagitta enflata on mesozooplankton --- p.59 / Chapter 4.1. --- Introduction --- p.59 / Chapter 4.11. --- Flaccisagitta enflata --- p.59 / Chapter 4.12. --- Prey --- p.59 / Chapter 4.13. --- Predation impact --- p.60 / Chapter 4.14. --- Feeding rate and digestion time --- p.60 / Chapter 4.2. --- Objective --- p.61 / Chapter 4.3. --- Materials and methods --- p.61 / Chapter 4.31. --- Sample collection --- p.61 / Chapter 4.32. --- Sample analysis --- p.61 / Chapter 4.33. --- Measurement of digestion time --- p.62 / Chapter 4.34. --- Data analysis --- p.62 / Chapter 4.4. --- Results --- p.64 / Chapter 4.41. --- Water temperature --- p.64 / Chapter 4.42. --- Flaccisagitta enflata distribution --- p.64 / Chapter 4.43. --- Prey distribution --- p.66 / Chapter 4.44. --- Food containing ratio --- p.66 / Chapter 4.45. --- Gut content --- p.66 / Chapter 4.46. --- Prey selectivity --- p.72 / Chapter 4.47. --- Predation impact --- p.72 / Chapter 4.5. --- Discussion --- p.77 / Chapter 4.51. --- Flaccisagitta enflata distribution --- p.77 / Chapter 4.52. --- Food containing ratio --- p.79 / Chapter 4.53. --- Gut content --- p.80 / Chapter 4.54. --- Cannibalism --- p.81 / Chapter 4.55. --- Prey selectivity --- p.82 / Chapter 4.56. --- Digestion time --- p.82 / Chapter 4.57. --- Predation impact --- p.83 / Chapter 4.6. --- Conclusion --- p.84 / Chapter Chapter 5. --- Conclusion --- p.85 / References --- p.86