f. Mean Studies On Fish BehaviourIn Relation Net Transparency of Millennium Gillnet Operation In Bondet Waters, Cirebon

Continued Appendix 6 One Way ANOVA mesh passing reaction OLD WHITE Anova: Single Factor SUMMARY Groups Count Sum Average Variance non contact 10 1.203 0.120 0.011 contact 10 0.041 0.004 1.47E-05 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 0.068 1 0.067 12.824 0.002 4.414 Within Groups 0.095 18 0.005 Total 0.162 19 NEW WHITE Anova: Single Factor SUMMARY Groups Count Sum Average Variance non contact 10 0.900 0.090 0.010 Contact 10 0.022 0.002 6.62E-06 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 0.039 1 0.039 7.421 0.014 4.414 Within Groups 0.093 18 0.005 Total 0.132 19 WHITE DYED Anova: Single Factor SUMMARY Groups Count Sum Average Variance non contact 10 0.718 0.072 0.008 Contact 10 0.025 0.003 7.45E-06 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 0.024 1 0.024 6.304 0.022 4.414 Within Groups 0.069 18 0.004 Total 0.093 19 63 Appendix 7 Capture conditions of threadfins Polynemus spp. Class range S G W Frequency 34-40.9 1 8 2 11 41-47.9 0 6 1 7 48-54.9 1 20 3 24 55-61.9 0 13 1 14 62-68.9 0 13 0 13 69-75.9 0 3 0 3 Total 2 63 7 72 64 Appendix 8 Fish caught by millennium gillnet Threadfins TL = 52 cm Spotted catfish TL = 44 cm Stripped catfish eel TL = 59 cm 65 Appendix 7 continued Ray fish TL = 180 cm Snapper TL = 30 cm Great barracuda TL = 89 cm 66 Appendix 9 Millennium gillnet catch Millennium Gillnet Catch Captured No Indonesian name Local name English name Latin name process TL cm W gr Gmax cm 1 Kurosenangin Subhal Threadfins Polynemus spp. W 47 1000 25 2 Kurosenangin Subhal Threadfins Polynemus spp. W 55 1400 27 3 Kurosenangin Subhal Threadfins Polynemus spp. G 47 900 23 4 Kurosenangin Subhal Threadfins Polynemus spp. W 51 1100 25 5 Kurosenangin Subhal Threadfins Polynemus spp. G 49 1100 26 6 Kurosenangin Subhal Threadfins Polynemus spp. W 51 1200 26 7 Kurosenangin Subhal Threadfins Polynemus spp. G 39 400 20 8 Kurosenangin Subhal Threadfins Polynemus spp. S 34 250 20 9 Kurosenangin Subhal Threadfins Polynemus spp. W 38 300 18 10 Kurosenangin Subhal Threadfins Polynemus spp. G 37 350 18 11 Kurosenangin Subhal Threadfins Polynemus spp. G 37.5 300 17 12 Kurosenangin Subhal Threadfins Polynemus spp. W 37 300 17 13 Kurosenangin Subhal Threadfins Polynemus spp. G 36 350 18 14 Kurosenangin Subhal Threadfins Polynemus spp. G 36 350 18 15 Kurosenangin Subhal Threadfins Polynemus spp. G 65 2500 35 16 Kurosenangin Subhal Threadfins Polynemus spp. G 62 2000 30 17 Kurosenangin Subhal Threadfins Polynemus spp. G 54 1800 27 67 67 18 Kurosenangin Subhal Threadfins Polynemus spp. G 49 1500 27 19 Kurosenangin Subhal Threadfins Polynemus spp. G 60 2300 30 20 Kurosenangin Subhal Threadfins Polynemus spp. G 39 500 22 21 Kurosenangin Subhal Threadfins Polynemus spp. G 43 800 22 22 Kurosenangin Subhal Threadfins Polynemus spp. G 34 500 22 23 Kurosenangin Subhal Threadfins Polynemus spp. G 63 5000 35 24 Kurosenangin Subhal Threadfins Polynemus spp. G 55 1650 26 25 Kurosenangin Subhal Threadfins Polynemus spp. G 48 1300 27 26 Kurosenangin Subhal Threadfins Polynemus spp. G 58 1500 27 27 Kurosenangin Subhal Threadfins Polynemus spp. G 56 1400 27 28 Kurosenangin Subhal Threadfins Polynemus spp. G 52 1300 25 29 Kurosenangin Subhal Threadfins Polynemus spp. G 51 1100 24 30 Kurosenangin Subhal Threadfins Polynemus spp. G 47 900 22 31 Kurosenangin Subhal Threadfins Polynemus spp. G 50 1100 30 32 Kurosenangin Subhal Threadfins Polynemus spp. S 52 1200 28 33 Kurosenangin Subhal Threadfins Polynemus spp. G 54 1350 29 34 Kurosenangin Subhal Threadfins Polynemus spp. W 48 1300 26 35 Kurosenangin Subhal Threadfins Polynemus spp. G 50 1000 23 36 Kurosenangin Subhal Threadfins Polynemus spp. G 54 1250 25 37 Kurosenangin Subhal Threadfins Polynemus spp. G 50 1100 25 38 Kurosenangin Subhal Threadfins Polynemus spp. G 61 2000 28 68 68 39 Kurosenangin Subhal Threadfins Polynemus spp. G 61 2100 28 40 Kurosenangin Subhal Threadfins Polynemus spp. G 48 900 26 41 Kurosenangin Subhal Threadfins Polynemus spp. G 50 850 25 42 Kurosenangin Subhal Threadfins Polynemus spp. G 60 2000 28 43 Kurosenangin Subhal Threadfins Polynemus spp. G 55 1300 28 44 Kurosenangin Subhal Threadfins Polynemus spp. G 46 650 24 45 Kurosenangin Subhal Threadfins Polynemus spp. G 63 2200 32 46 Kurosenangin Subhal Threadfins Polynemus spp. G 62 2000 30 47 Kurosenangin Subhal Threadfins Polynemus spp. G 47 900 23 48 Kurosenangin Subhal Threadfins Polynemus spp. G 56 1350 27 49 Kurosenangin Subhal Threadfins Polynemus spp. G 66 2500 34 50 Kurosenangin Subhal Threadfins Polynemus spp. G 56 1500 26 51 Kurosenangin Subhal Threadfins Polynemus spp. G 52 1400 27 52 Kurosenangin Subhal Threadfins Polynemus spp. G 60 1600 28 53 Kurosenangin Subhal Threadfins Polynemus spp. G 54 1350 27 54 Kurosenangin Subhal Threadfins Polynemus spp. G 47 800 22 55 Kurosenangin Subhal Threadfins Polynemus spp. G 51 1050 24 56 Kurosenangin Subhal Threadfins Polynemus spp. G 40 700 22 57 Kurosenangin Subhal Threadfins Polynemus spp. G 66 2000 28 58 Kurosenangin Subhal Threadfins Polynemus spp. G 69 2500 32 59 Kurosenangin Subhal Threadfins Polynemus spp. G 64 2750 34 69 69 60 Kurosenangin Subhal Threadfins Polynemus spp. G 62 1550 29 61 Kurosenangin Subhal Threadfins Polynemus spp. G 73 3200 35 62 Kurosenangin Subhal Threadfins Polynemus spp. G 51 900 23 63 Kurosenangin Subhal Threadfins Polynemus spp. G 64 1800 30 64 Kurosenangin Subhal Threadfins Polynemus spp. G 56 1650 27 65 Kurosenangin Subhal Threadfins Polynemus spp. G 55 1050 24 66 Kurosenangin Subhal Threadfins Polynemus spp. G 70 1800 31 67 Kurosenangin Subhal Threadfins Polynemus spp. G 51 1000 23 68 Kurosenangin Subhal Threadfins Polynemus spp. G 62 1700 28 69 Kurosenangin Subhal Threadfins Polynemus spp. G 54 1150 25 70 Kurosenangin Subhal Threadfins Polynemus spp. G 54 1050 26 71 Kurosenangin Subhal Threadfins Polynemus spp. G 64 1700 30 72 Kurosenangin Subhal Threadfins Polynemus spp. G 62 1650 28 73 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus G 50 1100 25 74 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus W 32 340 20 75 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus G 45 800 23 76 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus G 60 800 30 77 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus W 66 1100 34 78 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus W 82 2500 40 79 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus W 72 2500 46 80 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus G 81 2800 43 70 70 81 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus G 59 1000 19 82 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus S 67 900 38 83 Sembilang karang Sembilang Striped catfish eel Plotosus lineatus W 67 1100 38 84 Lundu,jahan,kropak Kedukang Spotted catfish Arius maculatus G 45 700 28 85 Lundu,jahan,kropak Kedukang Spotted catfish Arius maculatus W 47 1100 20 86 Lundu,jahan,kropak Kedukang Spotted catfish Arius maculatus G 46 1000 24 87 Lundu,jahan,kropak Kedukang Spotted catfish Arius maculatus G 53 1300 38 88 Lundu,jahan,kropak Kedukang Spotted catfish Arius maculatus G 44 750 24 89 Lundu,jahan,kropak Kedukang Spotted catfish Arius maculatus G 44 750 28 90 Lundu,jahan,kropak Kedukang Spotted catfish Arius maculatus G 49 1000 30 91 Alu-alu, manggilala Alu-alu Great barracuda Sphyraena barracuda G 94 2000 27 92 Alu-alu, manggilala Alu-alu Great barracuda Sphyraena barracuda W 89 2500 26 93 Kakap batu Kakap batu Triple tail Labotes surinamensis G 57 3500 53 94 Kakap batu Kakap batu Triple tail Labotes surinamensis G 45 2000 38 95 Kakap putih Kakap putih Barramundi Lates calcarifer G 63 4000 43 96 Kakap putih Kakap putih Barramundi Lates calcarifer W 72 5000 54 97 Kakap merah kakap Blue spotted snapper Lutjanus rivulatus G 30 400 20 98 Bawal putih Bawal putih Silver pomfret Pampus argentus E 30 350 30 99 Pari Pari Ray fish Dasyatis spp. E 180 1550 100 100 Hiu Hiu Sharks Charcarinus spp. E 58 1800 42 101 Julung-julung Ceracas Garfish Hemirhampus spp. G 78 900 19 71 71 72 6 CONCLUSIONS AND RECOMMENDATIONS

6.1 Conclusions

1 Net transparency affected on the Japanese Jack mackerel behaviour in relation to contrast colour net panel. 2 The effect of usage – reduced transparency on mackerel behaviour was not significant. 3 Catch of millennium gillnet in the field dominated by threadfins 71.29 and the other catch were by-catch. 4 Capture condition of millennium gillnet dominated by gilled and wedged.

6.2 Recommendations

1 Since the length of usage was not significantly affected on fish behaviour, the catching effectiveness maybe similar among millennium gillnet net panel. The fishermen could continue the using of the old white panel until physically damaged. 2 It is recommended to conduct further experiment for investigate the same target species in Indonesia and conduct experiment regarding comparison of the flexibility of webbing material, multi-monofilament. STUDIES ON FISH BEHAVIOUR IN RELATION TO NET TRANSPARENCY OF MILLENNIUM GILLNET OPERATION IN BONDET WATERS, CIREBON CAROLINA CATUR RAKHMADEVI HALUAN GRADUATE SCHOOL BOGOR AGRICULTURAL UNIVERSITY BOGOR 2007