Chainsaw milling in Ghana: context, drivers and impacts3.5.3 Consumption of chainsawn lumber by the domestic marketDetermining the actual consumption of chainsawn lumber within Ghana requires anestimate of chainsawn lumber production and of the amount of chainsawn lumberexported to neighbouring countries. A recent national survey conducted by TIDDand FORIG (TIDD/FORIG 2009) projected the annual sales of timber (lumber andplywood) in the local markets to be 664,350 m 3 , 84% of which (558,054 m 3 ) 3 wasreported to be sourced from chainsawn lumber.To estimate total CSM production, the illegal direct overland exports of lumber mustbe added. Based on data by Blackett and Gardette (2008), 4 total overland exportscan conservatively be put at 260,000 m 3 per year (Table 12), all of which is assumedto be derived from CSM.Table 12. Timber and wood products trade to regional markets in West Africa, 2007Beninin transit to Sahelto product volume statusplywood 2,500 m 3 legallumber unknown illegalteak sawn-timber unknown illegalIvory Coast lumber unknown illegalNigeria plywood 74,500 m 3 legallumber unknown illegalSahel region lumber 39,000 m 3 legallumber 260,000 m 3 illegalTogo plywood 6,700 m 3 legalSource: Blackett and Gardette 2008lumber unknown illegalThe TIDD/FORIG survey (TIDD/FORIG 2009) indicated that 11% of the lumber salesof 664,350 m 3 in the domestic market — about 72,904 m 3 — were exported overland.If 84% of this volume derived from CSM, then the direct overland exports canbe set at 199,000 m 3 . It is unlikely that direct sawmill sales are included in this total,as sawmills would have the appropriate permits and licences and would exportlumber legally.Table 13 presents a range of estimates of the tree volume harvested by chainsawmillers, based on reported recovery efficiency, domestic annual sales volume anddirect overland export volume.24
Chapter 3. Timber production and tradeTable 13. Estimated roundwood equivalent of lumber processed by chainsaw operatorstotal volume(m 3 )% CSM volume derivedfrom CSM (m 3 )commenta annual sales at local 664,350 84 558,054 TIDD/FORIG 2009marketsb exported through 72,904 84 61,239 TIDD/FORIG 2009the marketc direct exports 198,761 100 198,761 Blackett and Gardette2008d local consumption 591,446 84 496,815 cf TIDD/FORIG 2009 andBlackett and Gardette2008 (a– b)total CSMproduction (lumber)756,815 this study (c + d)volume (RWE)harvested by chainsawoperators2.5 million(2.2–2.9 million)based on 30.3%conversion efficiency± 95% confidence intervalThus, the annual harvest of trees by chainsaw operators can be taken to range from2.2 to 2.9 million m 3 ; given an average tree volume of 2.97 m 3 , this is equivalent toabout 745,000 to 970,000 trees. 5 If non-market volumes consumed through directconsumption by households for building, roofing, etc. were included, the estimatewould be higher. This new estimate is higher than previously published calculationsof CSM production in Ghana (Table 14).Table 14. Published estimates of CSM production in Ghanasource year volume (production) volume (processed)Coleman 2004; FC data 1995 n/a 190,000Birikorang et al. 2001 1999 1,700,000 460,000Odoom 2004 quoting TIDD 2003 2003 n/a 273,000Marfo et al. 2009 2007 2,400,000 728,981this study 2009 2,500,000 756,815Keeping in mind that a determination of harvest levels requires further studies, it isrealistic to use a range of 2.2–2.9 million m 3 for policy discussions. Even using thislower range means that the harvested volume could be more than the official AACof 2 million m 3 , suggesting that CSM contributes substantially to Ghana’s forest loss.This estimate is far higher than the annual average volume of unaccounted harvestingby licensed loggers in off-reserves, estimated to be 767,104 m 3 (Affum-Baffoe2009).The production and consumption figures for the domestic market and overlandexport are summarised in Table 15.25
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