西藏怒江流域高寒草甸气候生产潜力对气候变化的响应

草业学报 ›› 2010, Vol. 19 ›› Issue (5): 17-24.

西藏怒江流域高寒草甸气候生产潜力对气候变化的响应

周刊社^1,2,杜军^1,2*,袁雷^1,2,马鹏飞¹,刘依兰^1,2

1.西藏自治区气候中心,西藏拉萨 850001;
2.西藏自治区生态与农业气象中心,西藏拉萨 850001

收稿日期:2009-09-17 出版日期:2010-05-25 发布日期:2010-10-20
作者简介:周刊社(1977-),男,陕西周至人,工程师,硕士。E-mail:zhoukanshe@163.com
基金资助:
国家自然科学基金项目(40865008)和科技部国际科技合作项目(2009DFA91900)资助。

Responses of climatic potential grassland productivity to climatic change in an alpine meadow area over the Nujiang Basin, Tibet from 1980 to 2008

ZHOU Kan-she^1,2, DU Jun^1,2, YUAN Lei^1,2, MA Peng-fei¹, LIU Yi-lan^1,2

1.Tibet Climatic Centre, lhasa 850001, China;
2.Tibet Ecology and Agricultural
Meteorology Centre, lhasa 850001, China

Received:2009-09-17 Online:2010-05-25 Published:2010-10-20

摘要/Abstract

摘要： 根据西藏怒江流域9个气象站1980-2008年年平均气温、年降水量资料,采用Miami模型研究该流域高寒草甸气候生产潜力的地域分布以及年代际变化。结果表明,近29年西藏怒江流域气候生产潜力中上游主要受温度条件的制约,中下游主要受降水条件的制约,气候生产潜力与年降水量和主要生长季平均温度显著正相关。总体上气候生产潜力的分布存在较大的地区差异,下游地区明显高于上游地区。过去29年,由于温度的逐年升高,伴随降水的增加,气候生产潜力呈逐渐增加趋势,且增幅较明显。整个怒江流域未来90年(2011-2100年)有向“暖湿型”气候方向发展的趋势,降水将成为该流域气候生产潜力的主要气候限制因子,总体上气候生产潜力呈增加趋势,但增幅不大,未来气候对该流域畜牧业发展和生态环境改善有利。

Abstract: Annual mean temperature and precipitation data from nine meteorological stations in the Nujiang Basin of Tibet over the period 1980 to 2008 were used to compute the climatic potential grassland productivity using Miami models, and to analyse grassland spatial distribution and variation. Over the past 29 years, climatic potential grassland productivity of the upper reaches (from Amdo to Tengchen) of the Nujiang Basin were mainly affected by the temperature conditions and the mid-lower reaches (from Lhorong to Zayul) by precipitation. From the upper to lower reaches there were generally uneven geographical distributions that changed markedly with age. Correlation analysis demonstrated that climatic potential productivity was significantly negatively correlated with annual mean precipitation (P＜0.01), and with the mean temperature of the main growing season (P＜0.05). There were some regional differences in distribution of climatic potential grassland productivity which was significantly higher in the downstream region than in the upper reaches, The climate will trend to a “warmer and wetter-type” due to temperature rise and precipitation increases, so the climatic potential grassland productivity may be increased in the Nujiang Basin over the next 90 years. The research indicates that the the warmer, wetter trend in the Nujiang Basin will benefit the development of pasture husbandry, especially for improving the eco-environment.

中图分类号:

S812.1

周刊社,杜军,袁雷,马鹏飞,刘依兰. 西藏怒江流域高寒草甸气候生产潜力对气候变化的响应[J]. 草业学报, 2010, 19(5): 17-24.

ZHOU Kan-she, DU Jun, YUAN Lei, MA Peng-fei, LIU Yi-lan. Responses of climatic potential grassland productivity to climatic change in an alpine meadow area over the Nujiang Basin, Tibet from 1980 to 2008[J]. Acta Prataculturae Sinica, 2010, 19(5): 17-24.

参考文献

[1] Liu X D, Chen B D. Climatic warming in the Tibetan Plateau during recent decades[J]. International Journal of Climatology, 2000, 20: 1729-1742.
[2] 杜军. 西藏高原近40年的气温变化[J]. 地理学报, 2001, 56(6): 682-690.
[3] 杜军, 假拉, 周顺武. 近42年西藏高原雅鲁藏布江中游夏季气候趋势和突变分析[J]. 高原气象, 2001, 20(1): 71-75.
[4] 徐影, 丁一汇, 李栋梁. 青藏地区未来百年气候变化[J]. 高原气象, 2003, 22(5): 451-457.
[5] Keeling C D, Chin J F S, Whorf T P. Increased activity of northern vegetation inferred from atmospheric CO₂ measurements[J]. Nature, 1996, 382: 146-149.
[6] Weltzin J F, Loik M E, Schwinning S, et al. Assessing the response of terrestrial ecosystems to potential changes in precipitation[J]. Bioscience, 2003, 53(10): 941-952.
[7] 谷冬艳, 刘建国, 杨忠渠, 等. 作物生产潜力模型研究进展[J]. 干旱地区农业研究, 2007, 25(5): 89-94.
[8] 孙壑, 朱启疆. 陆地植被净第一性生产力的研究[J]. 应用生态学报, 1999, 10(6): 757-760.
[9] 赵昕奕, 蔡运龙. 区域土地生产潜力对全球气候变化的响应评价-以中国北方农牧交错带中段为例[J]. 地理学报, 2003, 58(4): 584.
[10] 王宗明, 张柏, 张树清, 等. 松嫩平原农业气候生产潜力及自然资源利用率研究[J]. 中国农业气象, 2005, 26(1): 1.
[11] 张宪洲. 我国自然植被净第一性生产力的估算与分布[J]. 自然资源, 1992, (1): 15-21.
[12] 李正明, 王毅荣. 黄土高原气候生产力演变分析[J]. 山西大学学报自然科学版, 2006, 29(1): 96-101.
[13] 侯西勇. 1951-2000年中国气候生产潜力时空动态特征[J]. 干旱区地理, 2008, 31(5): 723-730.
[14] 闫淑君, 洪伟, 吴承祯, 等. 福建近41年气候变化对自然植被净第一性生产力的影响[J]. 山地学报, 2001, 19(6): 522-526.
[15] 周广胜, 王玉辉, 白莉萍, 等. 陆地生态系统与全球变化相互作用的研究进展[J]. 气象学报, 2004, 62(5): 692-706.
[16] 张国胜, 李林, 汪青春, 等. 青南高原气候变化及其对高寒草甸牧草生长影响的研究[J]. 草业学报, 1999, 8: 1-10.
[17] Robeson S M. Increasing growing-season length in Illinois during the 20th century[J]. Climatic Change, 2002, 52: 219-238.
[18] Schwartz M D, Rein A, Anto A. Onset of spring starting earlier across the northern hemisphere[J]. Global Change Biology, 2006, 12: 343-351.
[19] Tucker C J, Slayback D A, Pinzon J E, et al. Higher northern latitude normalized difference vegetation index and growing season trends from 1982 to 1999[J]. International Journal of Biometeomlogy, 2001, 45: 184-190.
[20] 李金花, 李镇清, 任继周. 放牧对草原植物的影响[J]. 草业学报, 2002, 11(1): 4-11.
[21] 杜岩功, 梁东营, 曹广民, 等. 放牧强度对嵩草草甸草毡表层及草地营养和水分利用的影响[J]. 草业学报, 2008, 17(3): 146-150.
[22] 王长庭, 王启兰, 景增春, 等. 不同放牧梯度下高寒小嵩草草甸植被根系和土壤理化特征的变化[J]. 草业学报, 2008, 17(5): 9-15.
[23] Lieth H F H. Modeling the primary productivity of the world[J]. Nature and Resources, 1972, 8(2): 5-10.
[24] 杜军, 胡军, 周保琴, 等. 西藏一江两河流域作物气候生产力对气候变化的响应[J]. 干旱地区农业研究, 2008, 26(1): 141-145.
[25] 杨正礼, 杨改河. 中国高寒草地生产潜力与载畜量研究[J]. 资源科学, 2000, 22(4): 72-77.
[26] 许崇海. 多模式对中国地区气候变化检测和预估研究[D]. 南京: 南京信息工程大学, 2007: 64-78.
[27] 杜军, 翁海卿, 袁雷, 等. 近40年西藏怒江河谷盆地的气候特征及变化趋势[J]. 地理学报, 2009, 64(5): 581-591.
[28] 崔庆虎, 蒋志刚, 刘季科, 等. 青藏高原草地退化原因述评[J]. 草业科学, 2007, 24(5): 20-26,