干旱区生态环境知识资源中心(Arid): 西北干旱地区气候变化及其对草地生产潜力的影响

Arid

	西北干旱地区气候变化及其对草地生产潜力的影响
其他题名	Climate change in arid regions of Northwest China and its impact on potential grassland productivity
	张娟; 李剑萍; 王誉陶; 张翼; 井乐; 李建平
来源期刊	生态科学
ISSN	1008-8873
出版年	2020
卷号	39 期号:3 页码:182-192
中文摘要	依据宁夏各县区24个气象站37年(19812017年)间的逐月气温、降水资料,采用Miami模型和Thornthwaite Memorial模型计算宁夏草地生产潜力,分析其时空变化。结果表明:从时间变化来看,宁夏平均气温以0.47 ℃·(10a)~(-1)的速度持续上升,降水量呈先下降后上升的趋势,从20102017年年降雨量增加了40 mm;从空间变化来看,宁夏气候从西北向东南由暖干向冷湿逐渐变化;宁夏草地气候生产潜力从西北向东南逐渐递增;草地气候生产潜力变化趋势与降水变化趋势一致,各时间段气候生产潜力与降水呈显著正相关(P<0.01),与温度呈负相关关系。因此,降水是宁夏草地气候生产潜力的限制因素,草地生产潜力较大区域在宁夏中南部,而以温度升高为特征的气候变化,对宁夏草地气候生产潜力影响较小。
英文摘要	Based on the monthly temperature and precipitation data of 24 meteorological stations in Ningxia during the past 37 years (1981-2017), the Miami model and the Thornthwaite Memorial model were used to calculate the potential grassland productivity in Ningxia, and analyzed its spatial and temporal changes. The results showed that from the perspective of time changes, the average temperature in Ningxia continued to rise at a rate of 0.47°C every 10 years, and the precipitation first decreased and then increased;the annual precipitation increased by 40 mm from 2010 to 2017. From northwest to southeast in Ningxia, the phenology was changed from "warm and dry" to "cold and wet". Meanwhile, the potential climatic productivity of grassland in Ningxia gradually increased from northwest to southeast. The trend of potential climatic productivity of grassland was consistent with the trend of precipitation. There was a significant positive correlation between potential climatic productivity and precipitation (P<0.01) each time period, and a negative correlation between potential climatic productivity and temperature. Therefore, precipitation was the limited factor for the potential climatic productivity of grassland in Ningxia, the largest potential grassland productivity was in the south-central part of Ningxia, and the climate change characterized by rising temperature has a weak impact on the potential climatic productivity of Ningxia grassland.
中文关键词	草地生产潜力 ; 气候变化 ; 宁夏 ; Miami模型
英文关键词	potential grassland productivity climate change Ningxia Miami model
类型	Article
语种	中文
收录类别	CSCD
WOS类目	Agriculture
CSCD记录号	CSCD:6750860
来源机构	宁夏大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/353743
作者单位	张娟, 宁夏大学农学院, 银川, 宁夏 750021, 中国.; 王誉陶, 宁夏大学农学院, 银川, 宁夏 750021, 中国.; 张翼, 宁夏大学农学院, 银川, 宁夏 750021, 中国.; 井乐, 宁夏大学农学院, 银川, 宁夏 750021, 中国.; 李剑萍, 宁夏防灾减灾重点实验室, 宁夏防灾减灾重点实验室, 银川, 宁夏 750021, 中国.; 李建平, 宁夏大学农学院;;西北退化生态系统恢复与重建国家重点实验室培育基地, ;;西北退化生态系统恢复与重建国家重点实验室培育基地, 银川;;银川, 宁夏;;宁夏 750021;;750021, 中国.
推荐引用方式 GB/T 7714	张娟,李剑萍,王誉陶,等. 西北干旱地区气候变化及其对草地生产潜力的影响[J]. 宁夏大学,2020,39(3):182-192.
APA	张娟,李剑萍,王誉陶,张翼,井乐,&李建平.(2020).西北干旱地区气候变化及其对草地生产潜力的影响.生态科学,39(3),182-192.
MLA	张娟,et al."西北干旱地区气候变化及其对草地生产潜力的影响".生态科学 39.3(2020):182-192.