胸高断面積
English translation: Basal Area
| 21:03 Feb 20, 2009 |
| Japanese to English translations [PRO] Science - Environment & Ecology | |||||||
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|  Selected response from: patent_pending Local time: 06:33 | ||||||
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| Summary of answers provided | ||||
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| 5 | Basal Area |
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| 4 | Basal area at breast height |
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Answers
1 hr confidence: 
Basal area at breast height Explanation: Based on these references: 胸高断面積による材積推定の研究(第10報) : 吉無田国有林におけるPlot SamplingとPlotless Samplingの比較 Studies of the volume estimate by the basal area at breast height http://ci.nii.ac.jp/naid/110002838805/ 2. Basal area at breast height. For every standing tree the basal area at breast height is directly measured by the aid of " Bitterlich's Tarifmesswinkel ". This handy instrument works satisfactorily. Three readings with a difference of 120 degrees from each other, must be taken for each tree. The readings are not made as to diameter, as usually, but in terms of basal area to facilitate the calculation work done by the punched card system (IBM). http://www.fao.org/docrep/x5385e/x5385e06.htm http://www.google.co.uk/search?q="basal area at breast heigh... |
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1 day 1 hr confidence:
Basal Area Explanation: The expressin "basal area at breast height" is not wrong, but "at breast height" is usually omitted as seen below: ------------------------------ Basal Area The area of a breast high cross-section of a tree or of all trees in a forest stand. www.pestmanagement.co.uk/lib/glossary/glossary_b.shtml Basal Area A common measure of ecological dominance. In woody plants, basal area refers to the cross sectional area at breast height and is expressed as m 2 www.utilities.cornell.edu/utl_lsceis_glossary.html Basal Area (Forest Management) Used to determine the degree of stocking. A cross-sectional area of trees at breast height. Expressed in sq. ft. aged.ces.uga.edu/browseable_folders/Curriculum/Lesson%20Plans/Forest%20Science%20I-03451/Unit_04_Measurement/03451-04.1_Measurement_Terminology.doc ------------------------------ |
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