Modern pollen and vegetation relationships in the Yili Basin, Xinjiang, NW China
Modern pollen and vegetation relationships in the Yili Basin, Xinjiang, NW China
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新疆伊犁盆地现代花粉与植被关系
DOI：
10.1007/s11434-013-5896-x
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发表时间：
2013-06
影响因子：
--
通讯作者：
Zhao Keliang, Li Xiaoqiang
中科院分区：
文献类型：
--
作者：
Zhao Keliang, Li Xiaoqiang
对新疆西天山伊犁盆地不同植被带的五十六个表土花粉样品进行了分析，探讨了表土花粉组合与原始植被的关系。花粉分析和植被调查与判别分析表明，花粉组合在不同的植被带有很大的差异。12种花粉类群可作为该盆地植被重建的重要类型。这些类群是最丰富的表面花粉样品。柏科灌木中柏科花粉的比例大于1%。5%以上的云杉林表明5 km以内的云杉林有生长。亚高山草甸广泛分布，以蒿属、藜科、禾本科、云杉属、菊科、蒲公英属和沙生狼尾草属植物含量高为特征。蒿属-藜科-早熟禾科-大麻科花粉组合表明该地区存在山地草原，蒿属和藜科花粉在荒漠草原和杨树林中占优势，蒿属荒漠中蒿属花粉比例大于60%，藜科荒漠中藜科花粉比例大于65%。蒿/藜（A/C）比值反映了伊犁盆地水分的垂直变化。在亚高山草甸和山地草原中，平均A/C比值大于1.2，占据盆地的湿润带。柏科灌丛、荒漠草原、杨树林和河漫滩草甸的上述比值在1 ~ 1.2之间。在干旱环境的荒漠藜科植物中，这一比值小于0.5。
Fifty-six surface pollen samples from different vegetation zones in the Yili Basin, western Tianshan Mountains, Xinjiang were analyzed to examine the relationships between the surface pollen assemblages and the original vegetation. A pollen analysis and a vegetation investigation with a discriminant analysis show that the pollen assemblages greatly differ across disparate vegetation zones. Twelve pollen taxa can be used as significant types for vegetation reconstruction in the basin. These taxa were the most abundant in the surface pollen samples. Cupressaceae pollen percentages were greater than 1% in Cupressaceae shrubs. More than 5% ofPiceapollen indicates the growth of aPiceaforest within 5 km. The subalpine meadow that is distributed widely in the basin is characterized by high content ofArtemisia, Chenopodiaceae, Poaceae,Picea, Asteraceae,TaraxacumandArenariapollen types. TheArtemisia-Chenopodiaceae-Poaceae-Cannabaceae pollen assemblages indicate the presence of montane steppe in the area.Artemisiaand Chenopodiaceae pollen dominate the desert steppe andPopulusforest.Artemisiapollen percentages were greater than 60% in theArtemisiadesert, whereas Chenopodiaceae pollen percentages exceeded 65% in the Chenopodiaceae desert. TheArtemisia/Chenopodiaceae (A/C) ratios reflect the vertical moisture changes in the Yili Basin. The mean A/C ratios were greater than 1.2 in the subalpine meadow and montane steppe that occupy the humid zone in the basin. These ratios were between 1 and 1.2 in the Cupressaceae shrubs, desert steppe,Populusforest and floodplain meadow. The ratios were less than 0.5 in the Chenopodiaceae desert, which is an arid environment.
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中国优势植物与地表花粉地理分布的气候阈值比较
DOI：
10.1007/s11430-008-0080-x
发表时间：
2008-07
期刊：
Science in China Series D-Earth Sciences
影响因子：
--
作者：
Luo ChuanXiu;Zheng Zhuo;Huang KangYou;Luo YunLi;Wei JinHui;Beaudouin, Celia;Du ChunBin;Cheddadi, Rachid;Xu QingHai;Zheng YanWei;Li ChunHai;Lu HouYuan
通讯作者：
Lu HouYuan
影响因子：
11.4
作者：
Li Wen-yi
通讯作者：
Li Wen-yi
影响因子：
--
作者：
Yiyin Li;Xin-shi Zhang;Guangsheng Zhou
通讯作者：
Yiyin Li;Xin-shi Zhang;Guangsheng Zhou
DOI：
10.2307/2401710
发表时间：
1965-05
期刊：
--
影响因子：
--
作者：
K. Faegri;J. Iversen
通讯作者：
K. Faegri;J. Iversen
DOI：
10.1016/s0031-0182(98)00204-1
发表时间：
1999-06
期刊：
Palaeogeography, Palaeoclimatology, Palaeoecology
影响因子：
--
作者：
I. Campbell
通讯作者：
I. Campbell