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.
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 results show that estimates the value of the fixed effects of stillbirth and mummies were from larger than large is species, parity, birth month and month of breeding.
通过固定效应值估计发现，对死胎和木乃伊的影响从小到大依次为品种、胎次、配种月份和产仔月份。
The results showed that both the two half fixed Nitraria tanguiorum communities were shrub patterns controlled by single species.
结果表明：两个半固定白刺群落格局都是白刺单种群控制的灌木格局。
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