利奥波德的森林系统健康思想评析

Leopold’s Thinking of Forest System Health

College of Landscape Architecture, Beijing Forestry University, 100083, P. R. China

摘要: 分析了20世纪初美国林学家、环境伦理和保护先驱奥尔多•利奥波德在其著作《沙乡年鉴》一书中蕴含的森林系统健康思想。认为他在4个方面有着深刻的认识：病树为动物提供庇护之所和食物来源，动物对于树木疾病和昆虫具有控制作用，动物和植物之间以及植物与植物之间具有复杂的微妙关系，病树提高了森林的美学价值和生物多样性。最后对其森林系统健康思想进行了概括和总结。
- 利奥波德 /
- 森林系统 /
- 健康 /
- 病态
Abstract: This paper analyzes Aldo Leopold’s thinking of forest system health in his work of A Sand County Almanac at the beginning of the 20th century, who was a forestry specialist and pioneer of environmental ethic and protection in American. The paper concludes four aspects of his profound thinking: disease trees supply house and food for animals; animals can control tree diseases and insect quantity; there are complicated and subtle relations between animals and plants, and among plants; disease trees improve the aesthetics value and vitality and vigor of forest. Finally, a summary to Leopold’ thinking is made.
- Leopold /
- forest system /
- health /
- morbidness