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南木人工红松林种子及天然更新情况调查研究
齐雅静1姜兴龙2李向飞1牟亚男1宁心哲1景璐1常金财1
0
(1呼伦贝尔市林业科学研究所,内蒙古呼伦贝尔021008;2呼伦贝尔市南木林业局)
摘要:
本文以南木人工红松林及其相邻蒙古栎次生林为研究对象,调查了2种林分内天然更新红松幼苗情况。调查发现,南木红松林种子比引种地红松种子略大;在南木人工红松林内有红松幼苗出现,但幼苗长势不如相邻的蒙古栎次生林。
关键词:  红松  发芽率  自然更新
DOI:
基金项目:
Investigation on Seed and Natural Regeneration of Pinus koraiensis Plantation in Nanmu
QI Ya-jing1 JIANG Xing-long2 LI Xiang-fei1 MOU Ya-nan1 NING Xin-zhe1 JING Lu1 CHANG Jin-cai1
(1Forestry Science Institute of Hulunbeir City,Hulunbuir Inner Mongolia 021008;1 Nanmu Forestry Bureau of Hulunbuir City)
Abstract:
The paper took Pinus koraiensis plantation in Nanmu and its adjacent secondary forest of Quercus mongolica as the research object,investigated the seedlings of Pinus koraiensis regenerated naturally in two stands.The investigation showed that the seeds of Pinus koraiensis in Nanmu were slightly larger than those of the cited seeds,and seedlings of Pinus koraiensis appeared in the artificial forest in Nanmu,but the seedling growth vigor was not as good as that of its adjacent secondary forest of Quercus mongolica.
Key words:  Pinus koraiensis  germination rate  natural regeneration

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