移动沙丘和半固定沙丘分选较好,表现出极强的正偏和较尖的峰值;
The particle-size classification of moving dune and semi-fixed dune was better, which showed a strong positive bias and a sharp peak.
固定沙丘植物群落退化严重,需要加强保护,控制放牧强度,防止沙丘活化。
The communities of these sand dune-fixed plants suffer severe degeneration and thus need enhanced protection, grazing control and prevention of sand dunes from becoming mobile.
固定沙丘和丘间低地是物质流和物种流的汇,同时又是重要的物种扩散的源。
The fixed sandy dune and lowland among sandy dunes act as converge of material and species flow, and they are also the source of species diffusing.
在沙漠利用污水灌溉速生林,可固定沙丘,改良土壤;改善生态环境,实现污水零排放。
That fast - growing forestry in desert can fixup sandbank and meliorate soil, improve environment and prevent waste water from flowing into river.
并论述了农田风蚀、草场沙化、固定沙丘活化及流沙前移等主要类型土地沙漠化的发育过程。
Research on the processes of wind erosion of cropland, desertification of grassland, reactivation of fixed dunes and shifting sand movement reveals th...
并论述了农田风蚀、草场沙化、固定沙丘活化及流沙前移等主要类型土地沙漠化的发育过程。
Research on the processes of wind erosion of cropland, desertification of grassland, reactivation of fixed dunes and shifting...
研究结果表明,区域沙丘属于半固定沙丘,移动速度缓慢,全区的沙化地总体表现为负增长。
The result suggests that the sand dune is characterized by semi-active dune, the move speed is very slow, and all round the district desertification shows negative increase.
且固定沙丘的花棒分株种群比半固定沙丘具有较大的密度、较小的平均株距及相似的分株高度。
Compared with the ramet population in the semi-fixed dunes, the ramet population in the fixed dunes exhibited higher ramet density, smaller average ramet spacing and similar ramet height.
对分布于古尔班通古特沙漠南缘典型沙质荒漠大沙鼠的巢域选择特征研究表明,该鼠种主要选择丘间地及固定沙丘为筑巢地形。
The research about home range choose of the desert great gerbil in south of Zhungur desert shows the gerbil choose mainly the site between sand dune to built it nest.
对分布于古尔班通古特沙漠南缘典型沙质荒漠大沙鼠的巢域选择特征研究表明,该鼠种主要选择丘间地及固定沙丘为筑巢地形。
The research about home range choose of the desert great gerbil in south of Zhungur desert shows the gerbil choose mainly the site between sand dune to built it nest.
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