The function of population isolation is stated by the analyzing the domain of attraction of local optimum.

通過對局部最優(yōu)吸引域的分析白白看看首页永久免费观看视频，說明了種群隔離的作用国产iGAO手机视频网。

Bidens pilosa var. radiata, one of the rapid expanding invasive weeds, has become prevailing throughout Taiwan. A study on the result enhanced by the breakdown of geographic isolation with the native varieties in genetic variation, population structure and introgressive hybrization is really in need. In this study the genetic variation and population structure among the varieties of Bidens pilosa complex were studied using ISSR markers.

在臺灣Bidens pilosa種群在外部形態(tài)及分布上均非常類似，加上大花咸豐草又屬極具侵略性的新歸化種手机日本黄色电影网站，在與其他自生變種又無明顯隔離下人人操在线精品，是否增加種間之交流與漸滲雜交之機會及對族群結構的影響，實有深入探討之必要盗摄网址。

Ochotona thibetana; skull; mountains; geographical isolation; population subdivision

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