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It also suggested that the climate and environment in the area are characterized by changeability, sensitivity, instability, its general changes are the positive process of desertification correspondingly to the dry-cold steppe or desert steppe and desert, while the reverse process correspondingly to warm semi-humid forest steppe and temperate-humid shrub steppe.
进一步证实了古土壤S〓发育和河湖相沉积的萨拉乌苏组堆积时为温暖半湿润的森林或森林草原环境，全新世的砂质古土壤或湖沼相沉积时为温湿灌丛草原或疏林草原环境，黄土沉积时为半干旱干草原环境，风成砂沉积时为干旱荒漠草原甚至荒漠环境。
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Analysis of sedimentary facies and the multiple proxy indexes indicate that climate have many times dry-cold and warm-wet changes in the desert-loess transition belt since the last interglacial, and environment undergone alternations from warm semi-humid forest steppe, temperate-humid shrub steppe, semi-arid steppe and dry-cold steppe, desert steppe to desert.
地层沉积相及粒度、磁化率、化学元素、孢粉和古脊椎动物化石等气候代用指标的测试分析，揭示了研究区末次间冰期以来气候有过多次干冷、暖湿波动，曾经历了干冷的干旱荒漠、干旱荒漠草原、半干旱干草原、温湿灌丛草原或疏林草原、温暖半湿润森林草原气候环境的交替变化。
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P in Shule River Alluvial Fan Oasis in Gansu subsidized by CNSF. Through field geological and environmental observations and sampling, quartz OSL dating, organic carbon ~(14)C dating, as well as analysis of TOC,grain size and Pollen assemblage of the samples from ten sediment profiles in front fine grain sediment zone of the Shule River Fan, the results obtained as follows:(1)The vegetation evolution history on Shule River Alluvial Fan and circumjacent since about 13 ka B.P. could be divided into 6 phases: about 12.1-13.1ka, a sparse coniferous and broadleaf trees - shrub grassland, cold and wet climate; 9.2-12.1ka, shrub grassland, temperature rising but precipitation and humidity getting down; 5.8-9.2ka, sparse forest with the most flourish shrub grassland under the optimal climate; 4.3-5.8ka, coniferous and broadleaf mixed forests -shrub grassland, temperature rising slightly and getting dry; 4.3-2.8ka, grass vegetation and climate became more dry; 2.8-2.3ka, coniferous forests -shrub grassland, precipitation and temperature getting down, but a higher relative humidity.
本文依托于&甘肃疏勒河冲积扇5万年来古天气环境与古水文演化&项目，以疏勒河冲积扇为研究对象，通过对疏勒河冲积扇扇缘细土带全新世古天气和古水文演变进行了20余个剖面的观测和取样、石英OSL和~(14)C测年、粒度组成和TOC分析以及孢粉鉴定，获得了以下成果和熟悉：(1)距今约13ka年来冲积扇和周边植被演化经历了6个阶段：约13.1～12.1ka，以针叶林为主的针阔混交林～灌丛草原，天气冷湿；12.1～9.2ka，灌丛草原，气温升高，降水量较低；9.2～5.8ka，疏林灌木草原，植被茂盛，温度和降水最佳；5.8～4.3ka，以针叶树为主的针阔混交林～灌丛草原，气温较高，降水减少；4.3～2.8ka，草原植被，天气变干；2.8～2.3ka，针叶林～灌木草原，降水减少，温度降低，相对湿度有所增加。
- 更多网络解释与灌丛干草原相关的网络解释 [注：此内容来源于网络，仅供参考]
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Paliurus：马甲子属
Adamovicz(1902)用这一名称代表南欧巴尔干半岛低地喜光喜热的南欧矮灌丛,它们处于干草原和森林的过渡地带,主要的灌木种是金雀花属(Cytisus)、马甲子属(Paliurus)、刺柏属(Juniperus)和樱桃属(Prumus)的一些种,这些种一般不分布在森林内.
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shrubland：灌丛带
shrubgarden 灌木园 | shrubland 灌丛带 | shrubsavanna 灌木干草原
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shrub steppe：灌丛干草原
shrub invasion 灌木侵入 | shrub steppe 灌丛干草原 | shutter 快门