Differences in response of desert plants of different ecotypes to climate warming:a case study in Minqin, Northwest China

查看全文 作　　者：ZhaoFeng [1,2,3]CHANG;ShuJuan [1,2,3]ZHU;FuGui [1,2,3]HAN;ShengNian [1,2,3]ZHONG

机构地区：[1]Minqin National Station for Desert Steppe Ecosystem Studies, Minqin 733300, China;[2]Gansu Key Laboratory of Desertification Combating, Lanzhou 730070, China;[3]Gansu Desert Control Research Institute, Lanzhou 730070, China

出　　处：《Journal of Arid Land》索引2012年第4卷第2期,共11页

基　　金：supported by the Pre-phase Project of the State 973 Program(2011CB411912);Gansu Natural Science Fund Project 摘　　要：Globally climates are warming.How do desert plants of different ecotypes respond to the climate change?This paper studied the differing responses to climate warming shown by desert plants of different ecotypes through analyzing the phenology and meteorological data of 22 desert plant species growing in Minqin Desert Botanical Garden in Northwest China during the period 1974–2009.The results indicate:(1)The temperature in the study area has risen quickly since 1974,and plants’growing periods became longer.The spring phenology of mesophytes advanced,and the autumn phenology of xerophytes was delayed;(2)The starting dates of spring phenophase of mesophytes and xerophytes differed significantly and both showed an advancing trend;(3)The spring phenology of mesophytes advanced by more days than that of xerophytes,whereas the autumn phenology of mesophytes was delayed by less days than that of the xerophytes;and(4)Mesophytes are more sensitive than xerophytes to rising temperature in spring and falling temperature in autumn.These findings are of value in plant management and regional introduction of different species. 关键词：全球气候变暖中国西北地区植物响应沙漠植物生态型民勤旱生植物案例

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Differences in response of desert plants of different ecotypes to climate warming:a case study in Minqin, Northwest China

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耦合文献(219)

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