표제지
목차
(국문 초록) 14
제1장 서론 17
제2장 재료 및 방법 20
1. 수질환경 20
2. 부유성 난 및 자치어 채집 21
3. 군집분석 25
4. 체장조성 25
제3장 결과 26
1. 수질환경 26
가. 수온 26
나. 염분 27
다. 수소이온농도(pH) 28
라. 용존산소(DO) 28
마. 화학적산소요구량(COD) 29
바. 부유물질(SS) 29
2. 부유성 난의 종조성 및 양적변동 31
가. 종조성 31
나. 양적변동 34
1) 2001년 34
2) 2002년 36
3) 2003년 38
4) 2004년 40
5) 2005년 42
다. 연도별 변동 44
3. 자치어의 종조성 및 양적변동 47
가. 종조성 47
1) 2001년 50
2) 2002년 51
3) 2003년 52
4) 2004년 53
5) 2005년 54
나. 월별 양적변동 55
1) 2001년 55
2) 2002년 57
3) 2003년 59
4) 2004년 61
5) 2005년 63
다. 정점별 양적변동 65
1) 2001년 65
2) 2002년 67
3) 2003년 69
4) 2004년 71
5) 2005년 73
라. 연도별 변동 75
4. 주요 출현 자치어의 체장조성 78
가. 청베도라치(Parablennius yatabei) 78
나. 망둑어과 어류 81
다. 주둥치(Leiognathus nuchalis) 84
라. 앞동갈베도라치(Omobranchus elegans) 87
5. 자치어 우점종의 연도별 분포양상 90
가. 청베도라치 90
나. 망둑어과 어류 92
다. 주둥치 94
라. 앞동갈베도라치 96
6. 자치어의 군집구조 98
가. 월별 98
1) 2001년 98
2) 2002년 101
3) 2003년 104
4) 2004년 107
5) 2005년 110
나. 정점별 113
1) 2001년 113
2) 2002년 116
3) 2003년 119
4) 2004년 122
5) 2005년 125
다. 연도별 128
제4장 고찰 131
감사의 글 144
참고문헌 146
(Abstract) 153
Appendix 157
Table 1. Sampling survey coordinates the quality of water in Gamag Bay from 2001 to 2005 23
Table 2. Number of families, genera and species in eggs in Gamag Bay from 2001 to 2005 32
Table 3. Abundances of fish eggs in Gamag Bay from 2001 to 2005 33
Table 4. Mean proportion of fish eggs in Gamag Bay, 2001 35
Table 5. Mean proportion of fish eggs in Gamag Bay, 2002 37
Table 6. Mean proportion of fish eggs in Gamag Bay, 2003 39
Table 7. Mean proportion of fish eggs in Gamag Bay, 2004 41
Table 8. Mean proportion of fish eggs in Gamag Bay, 2005 43
Table 9. Number of families, genera and species in fish larva and juveniles in Gamag Bay from 2001 to 2005 48
Table 10. Abundances of fish larvae in Gamag Bay from 2001 to 2005 49
Table 11. Number of families, genera and species in fish larva and juveniles in Gamag Bay 2001 50
Table 12. Number of families, genera and species in fish larva and juveniles in Gamag Bay 2002 51
Table 13. Number of families, genera and species in fish larva and juveniles in Gamag Bay 2003 52
Table 14. Number of families, genera and species in fish larva and juveniles in Gamag Bay 2004 53
Table 15. Number of families, genera and species in fish larva and juveniles in Gamag Bay 2005 54
Table 16. The variations in species composition of fish larvae in Gamag Bay, 2001 56
Table 17. The variations in species composition of fish larvae in Gamag Bay, 2002 58
Table 18. The variations in species composition of fish larvae in Gamag Bay, 2003 60
Table 19. The variations in species composition of fish larvae in Gamag Bay, 2004 62
Table 20. The variations in species composition of fish larvae in Gamag Bay, 2005 64
Table 21. The list and individual numbers of fish larvae and juveniles collected at each station in Gamag Bay, 2001 (md./1,000m³) 66
Table 22. The list and individual numbers of fish larvae and juveniles collected at each station in Gamag Bay, 2002 (md./1000m³) 68
Table 23. The list and individual numbers of fish larvae and juveniles collected at each station in Gamag Bay, 2003 (md./1,000m³) 70
Table 24. The list and individual numbers of fish larvae and juveniles collected at each station in Gamag Bay, 2004 (md./1,000m³) 72
Table 25. The list and individual numbers of fish larvae and juveniles collected at each station in Gamag Bay, 2005 (md./1,000m³) 74
Table 26. Comparison of species composition of fish eggs collected by bonggo net to those obtained from the other coastal waters of Korea 134
Table 27. Comparison of species composition of larvae collected to those obtained from the other coastal waters of Korea 135
Fig. 1. Map showing the sampling station for water quality ichthyoplankton in Gamag Bay, Korea. 22
Fig. 2. Schematic diagram of bongo net(RN 80Net). 24
Fig. 3. Variations in water temperature during the sampling period in Gamag Bay from 2001 to 2005. 26
Fig. 4. Variations in salinity during the sampling period in Gamag Bay from 2001 to 2005. 27
Fig. 5. Annuer variations in number of species of the fishes collected in Gamag Bay from 2001 to 2005. 45
Fig. 6. Monthly variations in number of species of the fishes collected in Gamag Bay from 2001 to 2005. 45
Fig. 7. Annual variations in number of individuals of the fishes collected in Gamag Bay from 2001 to 2005. 46
Fig. 8. Annual variations in number of species of fish larvae collected in Gamag Bay from 2001 to 2005. 76
Fig. 9. Monthly variations in number of species of fish larvae collected in Gamag Bay from 2001 to 2005. 77
Fig. 10. Annual variations in number of individuals of fish larvae collected in Gamag Bay from 2001 to 2005. 77
Fig. 11. Total length frequency distribution of Parablennius yatabei by fish larvae and juveniles in Gamag Bay from 2001 to 2005. 80
Fig. 12. Total length frequency distribution of Gobiidae fish by fish larvae and juveniles in Gamag Bay from 2001 to 2005. 83
Fig. 13. Fork length frequency distribution of Leiognathus nuchalis by fish larvae and juveniles in Gamag Bay from 2001 to 2005. 86
Fig. 14. Total length frequency distribution of Omobranchus elegans by fish larvae and juveniles in Gamag Bay from 2001 to 2005. 89
Fig. 15. Annual distribution of the fish larvae of Parablennius yatabei in Gamag Bay from 2001 to 2005. 91
Fig. 16. Annual distribution of the fish larvae of Gobiidae fish in Gamag Bay from 2001 to 2005. 93
Fig. 17. Annual distribution of the fish larvae of Leiognathus nuchalis in Gamag Bay from 2001 to 2005. 95
Fig. 18. Annual distribution of the fish larvae of Omobranchus elegans in Gamag Bay from 2001 to 2005. 97
Fig. 19. Monthly variations in diversity index, richness, evenness and dominance of larvae collected in Gamag Bay, 2001. 99
Fig. 20. Dendrogram illustration the similarity of the each monthly by number of larvae collected in Gamag Bay, 2001. 100
Fig. 21. Monthly variations in diversity index, richness, evenness and dominance of larvae collected in Gamag Bay, 2002. 102
Fig. 22. Dendrogram illustration the similarity of the each monthly by number of larvae collected in Gamag Bay, 2002. 103
Fig. 23. Monthly variations in diversity index, richness, evenness and dominance of larvae collected in Gamag Bay, 2003. 105
Fig. 24. Dendrogram illustration the similarity of the each monthly by number of larvae collected in Gamag Bay, 2003. 106
Fig. 25. Monthly variations in diversity index, richness, evenness and dominance of larvae collected in Gamag Bay, 2004. 108
Fig. 26. Dendrogram illustration the similarity of the each monthly by number of larvae collected in Gamag Bay, 2004. 109
Fig. 27. Monthly variations in diversity index, richness, evenness and dominance of larvae collected in Gamag Bay, 2005. 111
Fig. 28. Dendrogram illustration the similarity of the each monthly by number of larvae collected in Gamag Bay, 2005. 112
Fig. 29. Stations variations in diversity index, richness, eveness and dominance of larvae collected in Gamag Bay, 2001. 114
Fig. 30. Dendrogram illustration the similarity of the each stations by number of larvae collected in Gamag Bay, 2001. 115
Fig. 31. Stations variations in diversity index, richness, eveness and dominance of larvae collected in Gamag Bay, 2002. 117
Fig. 32. Dendrogram illustration the similarity of the each stations by number of larvae collected in Gamag Bay, 2002. 118
Fig. 33. Stations variations in diversity index, richness, eveness and dominance of larvae collected in Gamag Bay, 2003. 120
Fig. 34. Dendrogram illustration the similarity of the each stations by number of larvae collected in Gamag Bay, 2003. 121
Fig. 35. Stations variations in diversity index, richness, eveness and dominance of larvae collected in Gamag Bay, 2004. 123
Fig. 36. Dendrogram illustration the similarity of the each stations by number of larvae collected in Gamag Bay, 2004. 124
Fig. 37. Stations variations in diversity index, richness, eveness and dominance of larvae collected in Gamag Bay, 2005. 126
Fig. 38. Dendrogram illustration the similarity of the each stations by number of larvae collected in Gamag Bay, 2005. 127
Fig. 39. Annual variations in diversity index, richness, eveness and dominance of larvae collected Gamag Bay from 2001 to 2005. 129
Fig. 40. Dendrogram illustration the similarity of the each annual by number of larvae collected in Gamag Bay from 2001 to 2005. 130
Fig. 41. Monthly variations in number of species of fish larvae collected in Gamag Bay from 2001 to 2005. 139
Fig. 42. Scattered diagram showing the sampling monthly of the I - II principle axes. They are determined by principal component analysis of fish species composition collected by bongo net in Gamag Bay from 2001 to 2005. 142
Fig. 43. Scattered diagram of the first principal component scores versus temperature and salinity. The regression was determined by a least square fit. 143