玛曲气候变化对生态环境的影响

冰川冻土 ›› 2006, Vol. 28 ›› Issue (4): 556-561.

玛曲气候变化对生态环境的影响

王素萍¹, 宋连春^2,3, 韩永翔², 冯建英²

1. 兰州大学, 大气科学学院, 甘肃, 兰州, 730000;
2. 中国气象局, 兰州干旱气象研究所, 甘肃干旱气候变化与减灾重点实验室, 甘肃, 兰州, 730020;
3. 中国气象局, 预测减灾司, 北京, 100081

收稿日期:2005-11-18 修回日期:2006-04-22 出版日期:2006-08-25 发布日期:2012-04-26
基金资助:
国家自然科学基金项目(40475031)资助

Impacts of Climate Change on Ecological Environment in Maqu Grassland,Gansu

WANG Su-ping¹, SONG Lian-chun^2,3, HAN Yong-xiang², FENG Jian-ying²

1. College of Atmospheric Science, Lanzhou University, Lanzhou Gansu 730000, China;
2. Lanzhou Arid MeteorologicalInstitute of China Meteorological Administration, Lanzhou Gansu 730020, China;
3. China Meteorological Adminstration, Beijing 100081, China

Received:2005-11-18 Revised:2006-04-22 Online:2006-08-25 Published:2012-04-26

摘要/Abstract

摘要： 通过对温度、降水等气候要素的分析,发现玛曲草原的气候向暖干化方向发展.依据黄河玛曲段年径流量、产流量以及冻土最大深度的变化和牧草产量、牲畜数量等经济指标,初步探讨了玛曲生态恶化的原因.结果表明:气候变化和人类不合理的活动是玛曲草原生态恶化的主要原因.气候变化造成蒸发增加,冻土变浅,黄河玛曲段年产流量急剧减少,牧草产量下降.同时,过度放牧等人类活动使牛羊肉产量的大幅度上升,加速了草场的退化.

关键词: 玛曲, 气候变化, 生态环境

Abstract: Based the analysis on the climate,ecology and other economic factors in Maqu grassland,the causes of ecology deterioration are discussed.It is found that: 1) The climate has a trend of warming and drying;2) the rapid decrease of runoff of the Yellow River in Maqu has something to do with evaporation and meat yields of flocks and herds,which is an index reflecting anthropic activities,besides, permafrost thawing,temperature rising and precipitation decreasing also play important roles;3) the rapid decrease of grazing yield is associated closely with the dramatically increasing meat yields of flocks and herds,and also results from climate change,such as evaporation increasing and temperature rising.The conclusion is that climate change and the inconsequential anthropic activities result in the ecology deterioration in Maqu grassland.

Key words: Maqu grassland, depth of permafrost, climate change, ecology environment

中图分类号:

Q142

王素萍, 宋连春, 韩永翔, 冯建英. 玛曲气候变化对生态环境的影响[J]. 冰川冻土, 2006, 28(4): 556-561.

WANG Su-ping, SONG Lian-chun, HAN Yong-xiang, FENG Jian-ying. Impacts of Climate Change on Ecological Environment in Maqu Grassland,Gansu[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2006, 28(4): 556-561.

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