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Volume 39 Issue 3
Nov.  2019
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Article Navigation >  Journal of Sichuan Forestry Science and Technology  > 2018  >  39(3): 35-39

FENG Qiu-hong, PU Yuan-feng, LI Deng-feng, CHEN Su-fen, LIU Xing-liang, CHEN Yan, KANG Yong-hong, CHEN Jin. Effects of Thinning Betula spp. on Natural Regeneration of Abies faxoniana under Mixed Forest of A. faxoniana and B. spp. in Sub-alpine Region of Western Sichuan[J]. Journal of Sichuan Forestry Science and Technology, 2018, 39(3): 35-39. doi: 10.16779/j.cnki.1003-5508.2018.03.007
Citation: FENG Qiu-hong, PU Yuan-feng, LI Deng-feng, CHEN Su-fen, LIU Xing-liang, CHEN Yan, KANG Yong-hong, CHEN Jin. Effects of Thinning Betula spp. on Natural Regeneration of Abies faxoniana under Mixed Forest of A. faxoniana and B. spp. in Sub-alpine Region of Western Sichuan[J]. Journal of Sichuan Forestry Science and Technology, 2018, 39(3): 35-39. doi: 10.16779/j.cnki.1003-5508.2018.03.007
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Effects of Thinning Betula spp. on Natural Regeneration of Abies faxoniana under Mixed Forest of A. faxoniana and B. spp. in Sub-alpine Region of Western Sichuan


doi: 10.16779/j.cnki.1003-5508.2018.03.007
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  • Sichuan Academy of Forestry, Sichuan Wolong Forest Ecosystem Research Station, Sichuan Chengdu 610081, China;Sichuan Agricultural University, Chengdu 611130, China;Jiuzhaigou National Forest Park Administration Bureau, Jiuzhaigou Sichuan 623450, China;Environmental protection and Forestry Bureau of Wenchuan County, Wenchuan Sichuan 623000, China;Timber Check Station of Aba Tibetan and Qiang Autonomous Prefecture, Wenchuan Sichuan 624000, China;Nanchong Forestry Bureau, Nanchong Sichuan 63700, China;Yilishoujian Ecological Technology Co., Ltd., Beijing 100020, China

  • Received Date: 2018-03-16
  • The number and structure of regenerations of Abies faxoniana under mixed A. faxoniana and Betula spp. forest were measured and analyzed through representative sampling and field measurement method. Effects of thinning birch (CK, S1 and S2 respectively means thinning birch off 0%, 25% and 50% of the total volume of birch in forest) were analyzed on natural regeneration of A. faxoniana under A. faxoniana and Betula spp. forest. The result showed that thinning birch increased tree DBH (diameter at breast height) area and basal diameter of A. faxoniana seedlings significantly; Survival rate and height of A. faxoniana seedlings were improved by S2. After thinning birch, the structure of diameter class of A. faxoniana seedlings had little change, but the proportion of trail grade seedlings had a trend of increasing.
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Effects of Thinning Betula spp. on Natural Regeneration of Abies faxoniana under Mixed Forest of A. faxoniana and B. spp. in Sub-alpine Region of Western Sichuan

doi: 10.16779/j.cnki.1003-5508.2018.03.007
  • Sichuan Academy of Forestry, Sichuan Wolong Forest Ecosystem Research Station, Sichuan Chengdu 610081, China;Sichuan Agricultural University, Chengdu 611130, China;Jiuzhaigou National Forest Park Administration Bureau, Jiuzhaigou Sichuan 623450, China;Environmental protection and Forestry Bureau of Wenchuan County, Wenchuan Sichuan 623000, China;Timber Check Station of Aba Tibetan and Qiang Autonomous Prefecture, Wenchuan Sichuan 624000, China;Nanchong Forestry Bureau, Nanchong Sichuan 63700, China;Yilishoujian Ecological Technology Co., Ltd., Beijing 100020, China
  • Received Date: 2018-03-16

Abstract: The number and structure of regenerations of Abies faxoniana under mixed A. faxoniana and Betula spp. forest were measured and analyzed through representative sampling and field measurement method. Effects of thinning birch (CK, S1 and S2 respectively means thinning birch off 0%, 25% and 50% of the total volume of birch in forest) were analyzed on natural regeneration of A. faxoniana under A. faxoniana and Betula spp. forest. The result showed that thinning birch increased tree DBH (diameter at breast height) area and basal diameter of A. faxoniana seedlings significantly; Survival rate and height of A. faxoniana seedlings were improved by S2. After thinning birch, the structure of diameter class of A. faxoniana seedlings had little change, but the proportion of trail grade seedlings had a trend of increasing.

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