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Haloxylon ammodendron is constructive species, which had degeneration in large areas in the western part of Gurbantonggut Desert, the second largest desert of China. Therefore, we investigated the spatial distribution of dead plants, the age structure of both live and dead plants in the population, the depth of groundwater and soil quality. The results showed that: (1) the dead plants of H. ammodendron...
The southern part of Gurbantunggut Desert is the concentrated distribution area of ephemerals which are important in reducing wind, stabilizing sand and keeping the desert stable. However, little research has been done so far on the community diversity and ecosystem function of ephemerals. This study provides an inspection and analysis of the diversity feature of ephemerals in 35 sites which cover...
The coverage and spatial distribution of vegetation in desert areas are fundamental indexes to estimate the desertification severity, and acquiring vegetation information is very beneficial to carry out desertification monitoring and evaluation. Based on Landsat TM image of 2007, vegetation information of the western Gurbantunggut Desert was extracted with vegetation indexes and spectral mixture analysis...
This study provides an analysis of environmental factors, vegetation types as well as species distribution in 46 sites in the southern part of Gurbantunggut desert, and focuses on the vegetation-environment relationships. A total of 104 species belonging to 80 genera, 27 families of the vascular plants are recorded. The largest families were Compositae, Chenopodiaceae, Cruciferae and Leguminosae....
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