迁飞阻碍了不同地理种群间的遗传分化。
The migration could hamper more genetic differentiation among different geographic populations.
不同地理种群间差异较大(P<0.05)。
There are significant differences among different geographical populations (P<0.05).
不同地理种群间杂交能够增加子代的遗传多态性。
The crossing from two different geographical wild populations in-creased the genetic diversity of the first filial generation.
中纬度的地理种群代表过渡的“中资源生态型”。
The high-latitude population represented the extreme of "low-resource ecotype" in the variation continuum (low innate growth, low growth plasticity and high resistance to specialist herbivore).
各地理种群的遗传距离与地理距离间不具有显著的相关性。
The genetic distance was not significantly correlated with the geographical distance between populations.
研究表明不同地理种群的褐飞虱的致害性与其为害特性并不完全一致。
These results indicate that difference in virulence and damage characteristics could be found in different geographical populations of BPH.
其中,东方白鹳、白琵鹭和白头鹤的种群数量超过全球地理种群数量的1%。
Additionally, the population of oriental stork, white spoonbill and hooded crane were over 1% of the global geographical population.
分析认为5个地理种群间已存有一定程度的遗传分化,但分化的程度还比较低。
All results showed that genetic differences existed among 5 populations, but the degree was lower.
属于同一亚种不同地理种群的黄河鲤和黑龙江野鲤具有较高的遗传相似性(0.89)。
Again, there is a higher genetic similarity between Cyprinusy carpio var. and Cyprinus carpio haematopterus(0.89), demonstrating that they belong to the same sub-species.
本论文包括三部分: 第一章:多足动物线粒体基因组和地理种群遗传变异分析的研究进展。
This thesis includes three chapters: Chapter 1: Recent progress on myriapoda mitochondrial genome and genetic variation analysis of Otostigmns (O.
各地理种群间的遗传距离为0~0.016,表现为种下的遗传变异,这与RAPD分析得出的结果相一致。
Genetic distance among different populations are 0~0.016, which is belong to infraspecies genetic variation, this result is consistent with RAPD analysis.
UPGMA和NJ法构建的种群间分子系统树基本一致,结果表明不同地理种群之间存在一定程度的遗传差异。
Molecular phylogenetic tree constructed by UPGMA and NJ method suggested that there were some genetic variation among different geographic population.
结果表明,2个地理种群A、B分离物之间相异系数均大于0.7,地理种群内部分离物相异系数分别为0.3和0.12,差异较小。
The dissimilarity coefficient between isolates A and isolates B was more than 0.7, while within isolates A was 0.3 and B 0.12, respectively.
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 nature of the geographic separation necessary to isolate populations depends entirely on the biology of the organism and its potential for dispersal.
然而,范·登·向克表示,这些卡片的实用性可能还和蚊子的种群以及地理区域有关。
But the usefulness of the CARDS may vary according to the mosquito species and the geographical region, van den Hurk says.
“我们每天都要到海湾来采集鲨鱼种群的数据,”EnricoGennari在一次国家地理新闻观察的电话采访中说。
"We go out into the bay everyday to get data on the shark population," Enrico Gennari told National Geographic News Watch in a phone interview.
在现实世界中,此标准可能难以应用到相距遥远的种群,由地理环境分隔的种群,或是植物种群(化石显然也无法繁殖)。
Inpractice, this standard can be difficult to apply to organisms isolatedby distance or terrain or to plants (and, of course, fossils do notbreed).
因此,深入了解目前狍各地理单元种群的分子变异,可以为我们制定保护策略提供重要的依据。
Therefore, understanding the morphological and molecular variation of different geographic population of roe deer is important for us designing conservation strategies.
调查影响疟疾流行的人群及地理分布特征,暴发点分布、流行程度等社会、经济和自然因素,以及媒介按蚊的种群和密度。
Influence factors of malaria epidemic were investigated, including population features, geographical distribution, epidemic focus and intensity, and the species of Anopheles.
德州和墨西哥的一些种群有红边,但红边这一特征似乎与地理分布无关。
Some populations in Texas and Mexico have red-margined leaves but seem to be uncorrelated geographically.
目的用分子技术调查中国间日疟原虫种群结构与地理分布。
Objective To investigate the population constitution and geographical distribution of Plasmodium vivax in China using molecular technique.
生物学家们还预测,即使地理上隔离开的种群又返回到同一个地方,这些行为特点仍可能保持端始种分离,但是这方面的例子仍然十分少见。
Biologists have also predicted that these kinds of behavioral traits may keep incipient species separate even when geographically isolated populations somehow wind up back in the same place.
地理信息系统的应用,不但提高了格局分析的效率,也可以直观地反映种群的分布格局。
The results indicate GIS can not only improve the efficiency of pattern analysis but also visually display the distribution pattern.
同时种群之间的遗传分化与地理距离呈一定的相关性。
The results indicated that there was a positive relationship between genetic differentiation and geographic distance.
在构建模型之前, 需要充分了解入侵物种的生物学特性、种群平衡状态、本土地理分布范围及物种的生物历史地理等方面的知识。
We conclude that the knowledge of the biology, population equilibrium state, geographic distribution, and biogeographic history of the invasive species is crucial prior to niche modeling.
组建地理信息系统数据库是进行种群时空动态分析的前提和基础。
It is the precondition and foundation to build GIS database for analysis of population spatiotemporal dynamics.
目的:查清全省蜚蠊种群地理分布特点,进行防制对策研究。
Objective: To investigate the features of the population and the distribution of the cockroach in Zhejiang province, and research the control strategy.
目的:查清全省蜚蠊种群地理分布特点,进行防制对策研究。
Objective: To investigate the features of the population and the distribution of the cockroach in Zhejiang province, and research the control strategy.
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