数量生态学一般指的是植物数量生态学或者植被数量生态学。
一项新的调查研究结果显示地球周围的灰尘数量是上个世纪的两倍；出现这种戏剧性增长的原因与气候和生态学有关。
The amount of dust in the Earth's atmosphere has doubled over the last century, according to a new study; and the dramatic increase is influencing climate and ecology around the world.
种群统计是种群生态学研究的核心，主要研究种群在时间和空间上的数量变化规律。
Population demography is the core of the research in population ecology, which mainly deals with changing laws of the population amount along with time and space.
基于三期森林资源分布图，以GIS作为分析手段，应用景观生态学数量方法，研究了森林景观及景观类型的变化情况。
Based on the forest resources distribution map of three periods, taking GIS as a means of analysis, applying landscape ecology means, forest landscape and its type change were studied.
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