I can imagine that seed dispersal might be a factor.
我觉得种子传播可能是一个因素。
Plant species dependent solely on seeds for survival or dispersal are obviously more vulnerable to any decrease in plant fecundity that occurs.
显然，仅依靠种子生存或传播的植物物种更容易受到植物繁殖力下降的影响。
The structure of cycads male cones is quite consistent with the wind dispersal of pollen, clouds of which are released from some of the larger cones.
苏铁雄球果的结构与花粉的风传播相当一致，花粉云从一些较大的球果中释放出来。
The nature of the geographic separation necessary to isolate populations depends entirely on the biology of the organism and its potential for dispersal.
地理上的隔离是隔离种群所必需的条件，且地理隔离的性质完全取决于生物体的生物学特性及其分散的可能性。
The most successful groups of land plants are those that evolved methods of fertilized sex cell dispersal that are independent of water and structures that protest developing embryos from drying out.
最成功的陆生植物群体是那些进化出了受精性细胞散布方法的群体，这些方法不依赖于水和防止发育中的胚胎干涸的结构。
Plants have different mechanisms of dispersal for their spores.
对不同植物的孢子有不同的喷散装置。
The police ordered the dispersal of the crowds gathered around the building.
警方下令驱散聚集在建筑旁的人群。
A minimum investment has been made in the body that becomes a platform for seed dispersal.
针对成为种子散播平台的主体进行的投资是最小的。
It was once assumed that improvements in telecommunications would lead to more dispersal in the population as people were no longer forced into cities.
人们曾经认为，随着人们不再被迫进入城市，电信的发展将导致人口的进一步分散。
What we see today is the product of evolutionary events, resulting from the dispersal of a few human populations out of Africa around 60,000 to 70,000 years ago.
我们今天看到的是进化事件的产物，是大约6万到7万年前少数人类从非洲迁徙而来的结果。
Fog dispersal research has since followed the line.
自那时以来消雾研究一直遵循这个方向。
Entomologists have tended to underestimate the importance of colonization through dispersal.
昆虫学家倾向于低估在扩散过程中定居现象的重要性。
There are some interesting and novel schemes to address availability, such as information dispersal.
有一些有趣而新颖的方案可用于解决可用性，比如信息传播。
As mentioned previously, a boxplot is a graphical method of illustrating the dispersal in our dataset.
正如前面提到的那样，所谓的箱线图就是在数据集内演示分散情况的一种图形方法。
It's a continuation of the second lecture, where I talked about the principle of dispersal of risk.
作为第二节课内容的延续，当时我讲过关于风险分摊的原则。
And the purpose here is to prevent radioactive dispersal of whatever radioactivity is released into the environment.
在这里，目的就是防止辐射散布，无论是哪一种的辐射要被释放，到环境中去。
The Kremlin might have expected a brutal dispersal of the crowd, but Mr Kuchma would not sanction the use of force.
克里姆林宫也许意料到了对人群的野蛮驱散，但库科马却不会认可使用武力。
The research indicated that dispersal coefficient and compressive strength of the composites increase with the volume fraction.
研究表明，随着钢纤维的体积分数增大，复合材料的分散系数和抗压强度增加。
This, with all available information on topography, primary and secondary mineral dispersal, helps to locate the mineralization.
这个和所有关于地形、原生和次生矿物分布的信息有助于圈定矿化。
But the first comparative analysis of fungal spore form and reproductive dispersal shows that shapes are no evolutionary accident.
但对真菌孢子形状与繁殖扩散的首次比较分析结果却显示，这些形状的出现并非是进化中的意外。
It was found that the new type of operating suit not only reduced dispersal of bacteria considerably but also washed better than the conventional one.
已发现新型手术服不但使细菌的播散大为减少，而且比常规手术服耐洗。
Such a broad dispersal of similar soils argues for an acidic sea stretching across large swaths of Mars, or perhaps lakes with the same inherent chemistry.
相似的土壤分布得如此广泛，表明一个酸性海洋曾覆盖了大范围的火星表面，或许曾存在具有同样化学特性的众多湖泊。
Such a broad dispersal of similar soils argues for an acidic sea stretching across large swaths of Mars, or perhaps lakes with the same inherent chemistry.
相似的土壤分布得如此广泛，表明一个酸性海洋曾覆盖了大范围的火星表面，或许曾存在具有同样化学特性的众多湖泊。
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