民勤沙区主要植物的物候特征

doi:10.11707/j.1001-7488.20080512

Abstract

Abstract:

Phenological characteristics of desert plants are important traits to reveal the living habit of plants and to prevent from further desertification. In order to compare the phenological characteristics among mesophyte，xerophyte，and psammophyte，nine phenological phases of 48 typical plant species in Minqin Desert Area were observed for 20 years (1985—2004). The results showed that phenological phases significantly shifted in last 20 years. Xerophyte had the biggest shifting range，followed by the psammophyte and then the mesophyte. In the later autumn，phenological phases were significantly delayed. From mesophyte to xerophyte and then to psammophyte，these phenological phases showed the tendency of postponement. The changes of phenophases of plants in Minqin Desert Area displayed longer winter and summer，and shorter spring and autumn.

Key words: phenology, temperature, mesophyte, xerophyte, psammophyte, Minqin Desert Area

Chang Zhaofeng;Zhao Ming;Han Fugui;Zhong Shengnian;Li Faming. Phenological Characteristics of Desert Plant in Minqin Desert Area[J]. Scientia Silvae Sinicae, 2008, 44(5): 58-64.

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Phenological Characteristics of Desert Plant in Minqin Desert Area

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