Standard Number: QX/T 90-2008(QX/T90-2008)
Chinese:树木年轮气候研究树轮采样规范
English:Specification for sampling tree whorls for annual climatic studies of trees
Effective Date:2008-08-01
Standard Applicability:This standard specifies the tree annual cycle sampling environment, tree species and sample tree selection, sample collection methods, sample size, sample records, sampling operations and precautions, sample transportation and storage and other relevant details. This standard applies to the collection of tree annual rings samples in the field of climate research.
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