Natural Resources and Violent Conflict - WaterWiki.net

122Table 4.2 (continued)Technology Security and reliability Practicality Cost Level of informationBrandhammersCIRAD-ForetUniquereflectoridentifiersPoor (fair if combinedwithdocumentation):easy to copy brandmarks and hammersthemselvesGood: impossible tosubstitute logs ina shipment; cancounterfeit formsand hammer marksto get throughcheckpoints but willbe detected by auditVery goodFair: quick and easy to apply, butcan be difficult in large piles oflogs; cannot apply until tree iscut, so requires a system forstanding inventory; difficultto read; minimal trainingPractical: easy to learn and useas builds on existing skillsPoor but improving: technologyis in infancy; reading is fastand accurate and can beachieved remotely (from air,for example); laser devices notyet robust enough for field useVery lowLow: scaling and gradingalready done, so addedcost is only that of theforms and time takento fill them outHigh: $500 for lasermeasuring device;$0.75 per reflector in100,000-unit volumesPoor: not site specific;concessionaire canuse one hammer andforester or scaler canuse anotherHigh: form containsall the necessaryinformation, butcross-checking andauditing required;log has form formatching serialnumbersLow (but improving):can be modified toincorporate memorycards and uniqueidentifiers to storemore that justlocation information