WBC-VIII-Vol.4 – Resources – Forestry, Plantations and ... - BambuSC

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The Preservation of Bamboo Forests undertaken by NPO Kitakyushu Biotope Network Group in Kitakyushu, Japan Abstract Bart DEWANCKER 1 , Toshiichi KUSABA 2 1 Associate Professor, The University of Kitakyushu, Faculty of Environmental Engineering 2 Engineering Advisor, The University of Kitakyushu Faculty of Environmental Engineering In Japan, nearly all the bamboo forests are not maintained any longer, and because bamboos are very fast growing, this result in a rapid expanding spread of large bamboo forests. There are now devastating problems occurring for the bamboo forests, which are invading the adjacent forests and surrounding areas. Bamboo forest thinning had always been the solution to prevent damage of such spread of bamboo forests to other tree varieties and the surrounding fields. Especially since there is no longer a large demand for bamboo material, as well as the high loan costs in Japan, bamboo forest thinning is quite difficult to undertake. In Kitakyushu (Japan), the NPO Kitakyushu Biotope Network Group undertakes thinning of bamboo forests through participation of citizens, company employees, all of them are volunteers. Since November 2001, several environmental preservation activities were organized with the goal of preserving the bamboo forests in danger. Some of the main purposes of these activities were to make the citizens and the local government aware of the aggravating and severe problems and try to find also ways for the use of bamboo material. Already more than 2000 citizens have participated in these activities, and several hectares of bamboo forest are being maintained. Most of the bamboo material was chipped and the chipped bamboo material had been used for making of soil products. Introduction - Problems which are facing the bamboo forests In former times, bamboo has played a crucial role in the daily life of many Japanese people. Bamboo was used as building material, in fishery and agriculture, and as a basic material for making daily life tools and utensils. Moreover, bamboo sprouts were and still are a much loved food in Japan. Most probably, bamboo charcoal was used as energy resource as well. The change from an agricultural society into an industrial society, which means changes in life style, resulted in the fact that there was less need for bamboo material. Above that, the very high loan costs in Japan are another main reason for the import of cheaper bamboo sprouts and with bamboo prefabricated building material and other tools, mainly from China and other Asian countries, resulting in less demand for local bamboo. Since there is no longer any market for the local bamboo material, the bamboo forests cannot be maintained any longer (figure 1 and figure 2). VIII World Bamboo Congress Proceedings Vol 4-105
Figure 1: A not maintained bamboo forest VIII World Bamboo Congress Proceedings Vol 4-106
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VOLUME 4 Resources - Forestry, Plan
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Planning, Designing and Implementin
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As indicated earlier, the major ind
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Soil : Most bamboos are found in sa
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Financial aspects: Unit cost- The u
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Repayment period The bank loan was
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promoting new bamboo projects throu
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Planning Commission, 2003. Report o
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hectares; bamboo (both natural and
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internode length, height, girth, st
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Seeds Availability of seed is limit
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Oxytenanthera stocksii Pleoblastus
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References Anon. 1997. Compendium o
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inventory of harvestable volume and
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Some climbing bamboos are presently
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Research breakthroughs The pioneer
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A = 20 mm C = 10 mm Scale: 1-10 mm
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Abstract Integrated Management of B
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In the other hand, guadua bamboo fo
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For bamboo species, models for pred
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showed higher coefficient of determ
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30 cm above ground level and closel
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. Cumls per clump 40 35 30 25 20 15
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Figure 11. Capability of land for g
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productivity (Camargo et al. 2007).
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esidues (Deuchars et al. 1999). Soi
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Conclusions and recommendations For
Page 55 and 56: References Arbeláez, A.C. 1996. Re
Page 57 and 58: Orrego, S.A. ,Del Valle, J.I. 2001.
Page 59 and 60: shoot earlier in the winter. Hence,
Page 61 and 62: Results and Discussion Effects of B
Page 63 and 64: and Ald, Alp, Alo and AlT. However,
Page 65 and 66: Panting time Table 1. Soil properti
Page 67 and 68: Exchangeabl e Al ( mg kg -1 ) 300 2
Page 69 and 70: Al cont ent ( mg/ kg) 3000 2500 200
Page 71 and 72: aboveground and belowground competi
Page 73 and 74: Shoot harvests represent a smaller
Page 75 and 76: Culm thinning practice The intensit
Page 77 and 78: the withholding of fertiliser reduc
Page 79 and 80: References Castaneda-Mendoza A.; Va
Page 81 and 82: Tree yield (t ha -1 ) 200 (a) 150 1
Page 83 and 84: Bamboo has called the poorperson’
Page 85 and 86: Department and Forest Survey of Ind
Page 87 and 88: Table 4. Total target under NBM in
Page 89 and 90: 1) Statistical information Fundamen
Page 91 and 92: Abstract Evaluation of Above Ground
Page 93 and 94: Table 1: Linear relationship betwee
Page 95 and 96: References Agarwal, A.; Khokhar, D.
Page 97 and 98: Fig 2. Bamboo Plantation at hill to
Page 99 and 100: in northern Sudan stretches from ea
Page 101 and 102: Culm Height Omjamena forest site re
Page 103 and 104: References Andrews, J. 1950. The fl
Page 105: Figure 2. The Studied Bamboo Forest
Page 109 and 110: amboo forests are not maintained. I
Page 111 and 112: NPO Kitakyushu Biotope Network Grou
Page 113 and 114: In the area around the Kitakyushu S
Page 115 and 116: Number of participants The bamboo f
Page 117 and 118: Abstract Performance of Exotic Bamb
Page 119 and 120: The trial sites of Kakamega and Mug
Page 121 and 122: determining culm weight is by physi
Page 123 and 124: Table 5: Performance of Cephalostac
Page 125 and 126: For instance, Table 12 shows that,
Page 127 and 128: Species to Site Matching Table 16:
Page 129 and 130: Table 18: General Ranking of Specie
Page 131 and 132: Table 20: General Ranking of Specie
Page 133 and 134: Table 22: Relative Yield Performanc
Page 135 and 136: Table 24: Species per Site - Benchm
Page 137 and 138: altitude but has excellent growing
Page 139 and 140: NEMA, (2004). State of the Environm
Page 141 and 142: Research Site and Method Research i
Page 143 and 144: Discussion As of the research in 19
Page 145 and 146: Table 2. Change of density and occu
Page 147 and 148: Figure 1. Distribution of diameter
Page 149: 2 Figure 3. Distribution of diamete
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WBC-VIII-Vol.4 – Resources – Forestry, Plantations and ... - BambuSC

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