欢迎访问《应用生态学报》官方网站,今天是 分享到:

应用生态学报 ›› 2001, Vol. ›› Issue (5): 653-658.

• 研究论文 • 上一篇    下一篇

气候变暖对长白山主要树种的潜在影响

郝占庆1, 代力民1, 贺红士2, David J. Malandnoff3, 邵国凡4   

  1. 1. 中国科学院沈阳应用生态研究所, 沈阳 110016;
    2. School of Natural Resources University of Missouri Columbia Missouri 65211 USA;
    3. University of Wisconsin, Madison Wisconsin, 53706 USA;
    4. Dept. of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907 USA
  • 收稿日期:2001-01-10 修回日期:2001-04-29 出版日期:2001-09-25
  • 通讯作者: 郝占庆,男,1964年生.博士,研究员,主要从事森林生态和生物多样性等方面的研究,发表论文30余篇.E-mail:hzq@iae.ac.cn
  • 基金资助:
    中国科学院创新资助项目(KZCX-406、KZCX1-Y-02-04).

Potential response of major tree species to climate warming in Changbai Mountain,Northeast China

HAO Zhanqing1, DAI Limin1, Hong S.He2, David J. Malandnoff3, Guofan SHAO4   

  1. 1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016;
    2. School of Natural Resources University of Missouri Columbia Missouri 65211 USA;
    3. University of Wisconsin, Madison Wisconsin, 53706 USA;
    4. Dept. of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907 USA
  • Received:2001-01-10 Revised:2001-04-29 Online:2001-09-25

摘要: 应用LINKAGES模型对长白山自然保护区内主要树种在各斑块类型中对气候变化的潜在响应进行了模拟.模拟时选择了目前和未来变暖2种气候条件,对于目前气候状态,模型使用目前气象参数;而对于未来变暖气候,则按温度增加5℃、降水无明显变化作为模拟假设,温度的增加假定各月都相同,即各月均增加5℃.模拟结果表明,对于高山岳桦林,气温变暖后岳桦依然扮演重要角色,但落叶松、云杉、冷杉等目前这一林带的伴生树种,在气温上升后,其生物量均有较大辐度的增加,部分占据目前岳桦的位置,即目前下部的云冷杉林带有上移的趋势;对于亚高山云冷杉林.其优势种云杉和冷杉在气温变暖后,生物量有较大辐度的增加,落叶松虽有增加的趋势但辐度较小,即云杉和冷杉在未来气温变暖后依然是这一林带的优势种,但生长会加快;阔叶红松林的主要建群种在气温升高后,其生物量只有较小的增加,其它主要伴生种的生物量随气温上升的增加趋势非常相似,表明阔叶红松林在未来气候变暖情况下仍将维持目前的结构状态.

Abstract: The LINKAGES model was used to simulate potential impact of warmer climate to m ajor tree species in each vegetation zone on Changbai Mountain.The model was par ameterized for forests under the current climate conditions and executed under t he current and warmer climates.The warmer climate was defined as the monthly me an temperature plus 5℃ while precipitation remains unchanged.In the zone of mo untain birch forest, the warmer climate does not change the dominant position of the birch species, but helps increasing the biomass of spruce, fir, and larch s pecies.Some of birch trees in the lower elevations of the zone are replaced wit h spruce and fir, resulting in the up shift of spruce fir forest zone.In the z o ne of spruce fir forest, the forest structure stays the same under the warmer c limate but spruce and fir have faster growth rates.The biomass of spruce and fir is dramatically increased whereas the biomass of larch has a small increase.Th e dominant tree species of the mixed forest zone have a minor increase in biomas s, so do the other co dominant species, indicating that the mixed forest zone e xperiences little structural changes under the warmer climate.

中图分类号: