会同杉木人工林生物产量全林预估模型研究

Abstract

Abstract: According to the study on the relation between stand volume and biomass of Chi-nese fir plantation，this paper developed the integrated stand forecast models for stand biomass based on the integrated stand growth mode (ISGM) of Chinese fir plantation in Huitong．The models are W_i=a₁EXP{a₂L^a₃[1一EXP(-a₄S^a₅o>)^a₆FH} i=1，2，3，4，5 The precision of the models is greater than 96％ except for root．Through the t test，there is |t|0．05(55) for all organs．Thinking of no distinct difference between the esti-mative value and obser red data，the models can meet the needs of forest management．

Key words: Chinese fir, Biomass, Stand forecast models

Li Jiping;Lv Yong. STUDY ON THE STAND FORECAST MODELS FOR THE BIOMASS OF CHINESE FIR PLANTATION IN HUlTONG[J]. , 1997, 33(zk2): 143-147.

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STUDY ON THE STAND FORECAST MODELS FOR THE BIOMASS OF CHINESE FIR PLANTATION IN HUlTONG

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