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林业科学 ›› 2013, Vol. 49 ›› Issue (3): 159-164.doi: 10.11707/j.1001-7488.20130322

• 研究简报 • 上一篇    下一篇

中国特有种血皮槭的天然更新

陈朋1, 于雪丹1, 张川红1, 郑勇奇1, 孙圣1, 程蓓蓓2, 朱从波3   

  1. 1. 中国林业科学研究院林业研究所 国家林业局林木培育重点实验室 北京 100091;2. 南京林业大学风景园林学院 南京 210037;3. 河南宝天曼国家级自然保护区管理局 内乡 474350
  • 收稿日期:2012-03-08 修回日期:2012-12-27 出版日期:2013-03-25 发布日期:2013-03-25
  • 通讯作者: 张川红

Natural Regeneration of Acer griseum, an Endemic Species in China

Chen Peng1, Yu Xuedan1, Zhang Chuanhong1, Zheng Yongqi1, Shun Sheng1, Cheng Beibei2, Zhu Congbo3   

  1. 1. Key Laboratory of Forest Cultivation, State Forestry Administration Research Institute of Forestry, Chinese Academy of Forestry Beijing 100091;2. College of Landscape Architecture, Nanjing Forestry University Nanjing 210037;3. Henan Baotianman National Nature Reserve Authority Neixiang 474350
  • Received:2012-03-08 Revised:2012-12-27 Online:2013-03-25 Published:2013-03-25

关键词: 血皮槭, 地理分布, 土壤种子库, 天然更新

Abstract: In this study, the habitat, soil seed banks and natural regeneration of Acer griseum were investigated systematically. As a sub-climax species and an associated tree species, A. griseum scattered in the mountainous broad-leaved mixed forests, and the mountainous coniferous and broad-leaved mixed forests in addition to the mountaintop shrub forests. The species thrived mostly on semi-sunny slopes, semi-shade slopes, shade slopes and gullies. It grew in the mountain brown soil, yellow brown soil and mountain cinnamon soil. The thickness of soil layer, in which the species grew, was from the bare rock to about 30 cm soil range, some trees even grew in rock crevices. It naturally regenerated mainly by seeds, followed by some stump-sprouting and root sprouting. Most of the seeds in soil seed bank were stored in the litter layer. There were 172 seeds ·m-2 in the litter, while only 42 seeds ·m-2 between 0 to 10 cm soil layer in Yuanling, Hunan province. Few or no seeds were found in deeper soil layer than 10 cm. The amount of seeds was negatively correlated with the distance from the parent tree and the wind also could contribute to seed dispersal. All the above results indicated that reduction of the quantity of A. griseum wild resources might be due to bad habitat, low seed yield and high percentage of empty seeds, difficulty of seed germination, as well as the poor environmental conditions for natural regeneration of the seedlings.

Key words: Acer griseum, geographical distribution, soil seed bank, natural regeneration

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