zone of vegetation

The main fruits are listed in below: 1. Compare and analyze the applicability of Whittaker classification system, Kira classification system, Holdridge Life Zone System in grassland vegetation climate classification of the North of China.

对比分析了Whittaker分类系统、吉良分类系统和Holdridge生命地带分类系统在中国北方草地植被气候分类中的适用性。

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The authors analyze the dynamic change of vegetation cover of the farming-pastoral zone in north China with annual maximum NDVI and NOAA temporal series data during the period 1991& 2000 ( 354 ten-days).

利用1991&2000年连续10a逐旬的NOAA时间序列数据，采用最大NDVI值法，分析我国北方农牧交错带植被覆盖的动态变化。

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The effectiveness and accordance of four popular climate-vegetation classification models ( Penman model, Thornthwaite model, Holdridge Life Zone System and Kira model) for the geographic distribution of Chinese vegetation is compared using the KAPPA agreement statistic method.

应用KAPPA一致性检验方法，比较研究了4个常用的气候一植被分类模型：Penman模型、Holdridge生命地带系统、Kira模型和Thomthwaite模型对中国植被分布模拟的一致性和适用性。

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The periodical change in the tidal condition, tidal current asymmetry, vegetation influence, and deposition combined with evolution discrepancy of the tidal flat caused the difference of variation intensity of sensitivity components of the core sediments which located at different ecologic zone.

周期性变化的潮动力作用、潮流不对称作用、植被以及潮滩不同部位淤积演化差异的影响造成了潮滩不同部位沉积物敏感组分粒度垂向变化的差异。

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Shanxi Hengshan is the threshold between temperate zone prairies and warm temperate zone deciduous broad-leaved forest in the zoning of Chinese vegetation, with its northern and southern slopes belonging to different vegetation zones.

在中国植被分区上，山西恒山是温带草原地带与暖温带落叶阔叶林地带的分界，其南北坡分属于不同植被带。

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