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抽样调查技术在伐区调查设计中一直未能推广。仅有少量林业局(场)采用以作业区为总体的抽样调查方法,而大部分林业局(场)仍采用带状或块状标准地法进行伐区资源调查。也有的局(场)在采用上述方法后又恢复了全伐区每木检尺,其原因是以作业区为总体
Sampling survey technology has been unsuccessful in the investigation of cutting areas. Only a small number of forestry bureaus (farms) adopt a sample survey method that uses a work area as a whole, while most forestry bureaus (farms) still use the strip or block standard method to carry out a survey on cutting area resources. Some bureau (field) in the adoption of the above method and then restore the full cutting area for each wooden ruler, the reason is that the overall operation area