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当前位置: 首页 > 文章 > 民勤荒漠区白刺物候变化特征及影响因素分析 湖北农业科学 2010,49 (6) 1334-1337
Position: Home > Articles > Variation Characteristics of Phenological Calendar of Nitratia and Influential Factors in the Sandy Area of Minqin Hubei Agricultural Sciences 2010,49 (6) 1334-1337

民勤荒漠区白刺物候变化特征及影响因素分析

作  者：
韩福贵;赵明;常兆丰;韩生辉;仲生年
单  位：
甘肃省治沙研究所民勤荒漠草地生态系统国家野外科学观测研究站/甘肃省荒漠化防治重点实验室
关键词：
白刺;物候特征;气象因子;民勤沙区
摘  要：
通过对民勤沙区典型灌木白刺18年来的物候及其对应的气象数据进行研究,分析了白刺不同年份的物候变化特征及其与生长季内气象因子之间关系。结果表明,从1990～2007年,白刺的物候期开始和结束时期均推迟,但生长季出现了延长现象,最长延长日期为5.8d。不同物候期在不同年份的变化较大,萌动期、叶变色期及落叶期在不同年份的变化幅度较大,而展叶期、开花期和果熟期在大部分年份的变化幅度较小。生长季内的降雨量对于白刺的物候变化特征几乎不产生影响,而生长季内的累计日照时间和蒸发量对于白刺的物候特征影响较大。
译  名：
Variation Characteristics of Phenological Calendar of Nitratia and Influential Factors in the Sandy Area of Minqin
作  者：
HAN Fu-gui,ZHAO Ming,CHANG Zhao-feng,HAN Sheng-hui,ZHONG Sheng-nian (Minqin National Station for Desert Steppe Ecosystem Studies/Key Laboratory of Desertification Combating of Gansu Province , Wuwei 733000, Gansu, China)
关键词：
Nitraria tangutorum; phenological characteristic; meteorological factor; the sandy area of Minqin
摘  要：
Based on the phenology field observation of Nitratia in Minqin area and its corresponding meteorological data from 1990 to 2007, we studied variation characteristics of Nitratia phenology in different years and its relationship with meteorological factors in growing season. Results suggested that the delay of the begin and end of Nitratia phenology, but the exten- sion of growth season, average growing season length was extended to about 5.8 days from 1990 to 2007. Nitratia phenophase was significantly different among years, the change period of budding, leaf-change colour and defoliation was relatively greatly, while the leaf-expansion period, flowering stage and fruit mature period showed little change. Rainfall had little influence on the Nitratia phenological variation characteristics in growing season, while the accumulative irradiation time and evaporation had great influence.

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