| 民勤绿洲物候季节划分及景观季相特征 |
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| 引用本文： | 胡影,李亚.民勤绿洲物候季节划分及景观季相特征[J].干旱区资源与环境,2005,19(2):173-178. |
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| 作者姓名： | 胡影 李亚 |
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| 作者单位： | 甘肃省治沙研究所,武威,733000 |
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| 基金项目： | 国家”十五”科技攻关重大项目 (2 0 0 2BA5 17A0 9-0 1)资助 |
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| 摘 要： | 本文根据甘肃民勤沙生植物园 1 974- 2 0 0 2年的物候观测资料 ,应用“植物物候频率分布型法”对民勤绿洲物候季节和季相特征进行了研究 ,通过分析 ,民勤绿洲物候季节可分为 4个大季段和 1 2个小季段 ,春、夏、秋、冬四大季段中冬长秋短 ,春夏居中 ,每个季段都具有明显的指示物候、典型的植物物候形态组合以及独特的季相特征。这一研究结果客观地反映了该地区自然季节更替的规律和景观季相的演变特点。
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| 关 键 词： | 民勤绿洲物候季节 季相特征 |
| 文章编号： | 1003-7578(2005)02-173-06 |
| 修稿时间： | 2004年1月10日 |
Phenological Season Determination and Seasonal Aspects of Landscape in Minqin Oasis |
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| HU Ying,LI Ya.Phenological Season Determination and Seasonal Aspects of Landscape in Minqin Oasis[J].Journal of Arid Land Resources and Environment,2005,19(2):173-178. |
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| Authors: | HU Ying LI Ya |
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| Abstract: | The paper conduct a research for phenological seasons and seasonal aspects of landscape in Minqin oasis by using a method of "distributingpatterns of phenological frequency", based on phenologicalobservation data in Minqin desert botanical garden from 1974 to 2002. The results show that Phenological season in Minqin oasis can be divided into 4 major stages, and 12 sub-stages,winter long and autumn short, spring and summer mediacy in 4 major stages of spring, summer, autumn and winter,each season stage not only had obviously indicative Phenological phenomenaandtypical form combination of phenologicalphenomena, but also had unique seasonal aspects. This result objectivelyreflected the regulation of natural season subrogation and the feature of landscape seasonalaspectsevolution in Minqinoasis. |
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| Keywords: | Minqin oasis phenological season seasonal aspects |
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