Coastal Shrimp Aquaculture in Thailand: Key Issues for Research

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!2) Trat ProvinceClassification tablePredictedObservedYes No % correctYes 232 4 98.31No 12 11 47.83Overall 93.82%Variables in the equationVariable B S.E. Walddf Significance R Exp(B)Q2_3 1.859 .6309 8.6820 1 .0032 .2074 6.4178Q8_2 –1.945 .7201 7.2963 1 .0069 –.1847 .1430Q8_6 2.719 .6972 15.2031 1 .0001 .2916 15.157Q8_7 2.264 1.1025 4.2163 1 .0400 .1195 9.6206Q14PRB 1.581 .6657 5.6415 1 .0175 .1531 4.8606Q16OTH –2.220 .7265 9.3413 1 .0022 –.2174 .1086Q6_4 DE 1.984 .8965 4.8970 1 .0269 .1366 7.2710Constant –6.831 2.2704 9.0511 1 .0026–2 log likelihood 84.157Goodness of fit 144.102Chi-square df significanceModel Chi-square 71.119 7 0.0000Improvement 6.072 1 0.01373) Chumphon ProvinceClassification tablePredictedObservedYes No % correctYes 204 1 96.68No 10 38 79.17Overall 93.44%'%
!Variables in the equationVariable B S.E. Walddf Significance R Exp(B)Q2_3 –3.0919 .9067 11.6277 1 .0006 –.1969 .0454SOIL 1.0347 .2697 14.7235 1 .0001 .2264 2.8144Q8_1 –1.6813 .6062 7.6930 1 .0055 –.1514 .1861Q8_5 –2.6927 .8610 9.7789 1 .0018 –.1770 .0677Q7_8 – .1098 .0433 6.4281 1 .0112 –.1335 .8960Q7_10 .0981 .0405 5.8600 1 .0155 .1247 1.1031Q1_1YRFA – .5000 .1839 7.3901 1 .0066 – .1473 .6065Q16_6B – 2.7381 .6560 17.4228 1 .0000 .2492 15.4583Q16_7B .9749 .7616 1.6387 1 .2005 .0000 2.6509Q6_4 DEPT 3.2392 .8419 14.8050 1 .0001 .2271 25.5144Constant –7.4199 1.9391 14.6417 1 .0001–2 log likelihood 107.689Goodness of fit 459.349Chi-square df significanceModel Chi-square 140.629 10 0.0000Improvement 10.110 1 0.00154) Krabi ProvinceClassification tablePredictedObservedYes No % correctYes 242 4 98.37No 7 6 46.15Overall 95.75%Variables in the equationVariable B S.E. Walddf Significance R Exp(B)Q8_4 –1.6068 .7307 4.638 1 .0279 –.1658 .2005Q8_5 10.8247 30.488 .1261 1 .7226 .0000 50249.20Q8_6 –1.3882 .8531 2.648 1 .1037 –.0793 .2495Q16OTH –2.0013 .8874 5.086 1 .0241 –.1730 .1352Constant –8.4725 30.507 .0771 1 .7812–2 log likelihood53.874Goodness of fit 75.690'&
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!The 1994 Workshop had a working hy
Page 11 and 12:
!The Workshop at Hat Yai, SongkhlaA
Page 13 and 14:
!ReferenceSmith, P.T., ed.. 1999. T
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!Shrimp Farming in ThailandOver the
Page 18 and 19:
! !Table 1. World production (# 1,0
Page 20 and 21:
!Domestic and world demandJapan is
Page 22 and 23:
!Intensification of farms has been
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!no significant difference between
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!Production Practices and Technique
Page 28 and 29:
!use water which is almost fresh (F
Page 30 and 31:
!mended quantities for application
Page 32 and 33:
!the biological processes in sedime
Page 34 and 35:
!factors (Fegan 1994). Environmenta
Page 36 and 37: !Acid sulphate soils occur in most
Page 38 and 39: during the rainy season, some deter
Page 40 and 41: Land subsidenceCoastal land subside
Page 42 and 43: first when an area becomes environm
Page 44 and 45: !Administration. Their work has inv
Page 46 and 47: agriculture, selects coastal land p
Page 48 and 49: Sustainability, Sustainable Develop
Page 50 and 51: cultural and environmental asset va
Page 52 and 53: $+Table 12. (cont’d) Impediments
Page 54 and 55: $#Table 12. (cont’d) Impediments
Page 56 and 57: $%Table 12. (cont’d) Impediments
Page 58 and 59: capacities of alternative organisms
Page 60 and 61: sources. This is one of the greates
Page 62 and 63: Table 13. (cont’d) Summary of the
Page 64 and 65: Boonyapiwat, S. 1989. Species of ph
Page 66 and 67: Katesombun, B. 1992. Aquaculture pr
Page 68 and 69: Sirisup, S. 1988 Socio-economic cha
Page 70 and 71: !In the preliminary analysis, the s
Page 72 and 73: !until all variables had been teste
Page 74 and 75: !quality problem over the past 3 ye
Page 76 and 77: !Figure 1. Characterisation of prov
Page 78 and 79: !Variables Contributing to Shrimp P
Page 80 and 81: !Figure 5. Relationship between ave
Page 82 and 83: !southern). The linear regression m
Page 84 and 85: !Appendix. Results of logistic regr
Page 88 and 89: !Chi-square df significanceModel Ch
Page 90 and 91: !8) Satun ProvinceClassification ta
Page 92 and 93: !Variables in the equationConstant
Page 94 and 95: !A total of 49 participants were in
Page 96 and 97: ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !Fi
Page 98 and 99: !All issues are listed in Appendice
Page 100 and 101: !!were short term and one issue was
Page 102 and 103: !reared broodstock (issue 71). They
Page 104 and 105: !!Two participants commented that i
Page 106 and 107: mation transfer and training. This
Page 108 and 109: 108Appendix 1. (cont’d) Descripti
Page 112 and 113: 112Appendix 2. Descriptive statisti
Page 122 and 123: Appendix 5. (cont’d) Descriptive
Page 124 and 125: Appendix 7. Descriptive statistics
Page 126 and 127: Appendix 7. (cont’d) Descriptive
Page 130 and 131: !ParticipantsAustraliaDr Paul T. Sm
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Coastal Shrimp Aquaculture in Thailand: Key Issues for Research

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