- 更多网络例句与隔离种群相关的网络例句 [注:此内容来源于网络,仅供参考]
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The function of population isolation is stated by the analyzing the domain of attraction of local optimum.
通过对局部最优吸引域的分析,说明了种群隔离的作用。
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This concept views species as a group of interbreeding natural populations that are reproductively isolated from other such groups.
生物种概念认为种是一组可以相互杂交的自然种群,它们与其他种群间具有繁殖隔离。
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For the first time, this study conducted a series of field sampling in multiple locations over several years and demonstrated that the B and Q biotypes first invade areas with high frequency of transport through human movement of plant materials, and then rapidly spread into surrounding areas and displace indigenous genotypes, and in parallel with displacement significant changes in sex ratio occurred in the mixed populations. Crossing experiments demonstrated that in the B. tabaci species complex there are many genetic groups that are completely or nearly completely isolated in reproduction. Apart from behavioural mechanisms, difference in host plant suitability and insecticide susceptibility between whitefly biotypes may also play important roles in the displacement of indigenous whiteflies by alien whiteflies in Zhejiang.
本研究首次以一个地理区域内广泛系统的野外调查数据证实,B型和Q型烟粉虱首先通过花卉苗木调运入侵交通较为发达的地区,然后迅速向周边扩张并取代土著烟粉虱,同时入侵取代过程伴随着混合种群中性比的变化;杂交试验证明烟粉虱复合种内存在多个生殖上隔离或基本隔离的遗传群;B型烟粉虱在浙江省内迅速取代土著烟粉虱,除行为机制外,生物型之间寄主适应性和药剂敏感性等方面的差异也可能在此过程中起着重要作用。
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Biological species concept This concept views species as a group of interbreeding natural populations that are reproductively isolated from other such groups.
Gene flow 生物种的概念生物种概念认为种是一组可以相互杂交的自然种群,它们与其他种群间具有繁殖隔离。
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In fact, in reallife, the prey species will be usually a?ected by the patchy environment, oncethe food in their patch is exhausted or there are abundant natural enemies intheir patch, they will leave in search for new habitats or refuges, at the sametime, the predator species also will be confined in a isolated patch, when thereis little food to feed on or the last prey is eaten the predators will depart andbecome predator dispersers.
事实上,在现实环境中食饵种群通常会受到斑块环境的影响,一旦在一个斑块上的食物吃完了或者存在太多天敌,它们会离开这个斑块寻找新的栖息地或避难所,同时捕食者种群同样会受到隔离斑块的影响,当在某个斑块上食饵种群稀少或吃完了最后一个猎物,捕食者种群将会离开变成迁徙者到其他栖息斑块上寻找猎物。
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In fact, in reallife, the prey species will be usually a?ected by the patchy environment, oncethe food in their patch is exhausted or there are abundant natural enemies intheir patch, they will leave in search for new habitats or refuges, at the sametime, the predator species also will be confined in a isolated patch, when thereis little food to feed on or the last prey is eaten the predators will depart andbecome predator dispersers.
事实上,在现实环境中食饵种群通常会受到斑块环境的影响,一旦在一个斑块上的食物吃完了或者存在太多天敌,它们会离开这个斑块寻找新的栖息地或避难所,(来源:A2dBC论c4文网www.abclunwen.com)同时捕食者种群同样会受到隔离斑块的影响,当在某个斑块上食饵种群稀少或吃完了最后一个猎物,捕食者种群将会离开变成迁徙者到其他栖息斑块上寻找猎物。
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Sphaerocephala had more genetic differentiation owing to small populations and universal isolation among populations. 2. It was an effective method to research kinships among species by RAPD.
说明白沙蒿的种群间由于隔离的普遍存在以及种群较小,使种群间产生更多的遗传分化。
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Skinks collected in April of 2003-2005 from seven geographically separated populations were used to study (1) geographic patterns of variation in life-history traits,(2) the effects of proximate factors on reproductive output, and (3) the effects of incubation temperature on hatchling phenotypes.
本文作者以中国大陆七个地理隔离种群的中国石龙子为研究模型,探讨形态和繁殖生活史特征变异的地理格局,研究热环境和储能状况对繁殖输出的影响,检测温度对卵孵化特征以及幼体表型特征的作用。
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To detect potential influence from geographical isolation upon population differentiation in small mammals, the skulls of Tibetan pikas among three isolated populations in western Sichuan Province were systematically compared.
为探讨地理隔离对小型兽类种群分化的影响,本文系统比较了四川西部3个隔离藏鼠兔Ochotona thibetana种群在头骨形态上的异同。
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Results of interpopulation crossing test of mating, fertilization rate, embryo growth and hatchability under the condition of cage feeding indicated that:(1) due to difference in body size, morphology, habits and characteristics and reproducing season, crossing fertility between wild Japanese quail in China and domestic quail population was lower than that of intrapopulation mating, but fertilized egg through reciprocal crossing could be incubated and produced F1 without prezygotic isolation;(2) crossing of wild male quail ?female small-type domestic quail produced the best effect among all combinations of reciprocal crossings.
通过关于笼饲环境下交配行为、受精率、胚胎发育、种蛋孵化率的种群间杂交试验证明:由于体量、形态、习性、繁殖季节性的差异,我国境内的野生日本鸣鹑与家鹑群体之间的杂交能育性低于同种群交配水平,但可以实现正、反杂交,产生受精卵、孵出杂种一代,不存在合子前生殖隔离;在正反杂交组合中,以野雄鹑X小型雌家鹑的效果最好。
- 更多网络解释与隔离种群相关的网络解释 [注:此内容来源于网络,仅供参考]
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affinity:相似性
"相似性"(affinity)这个词既可以仅仅表示相似,又可以表示遗传关系;"变种"(variety)这词可以用来表示地理隔离的种群,又可以用于表示种内的变体(个体);"种"既可表示形态不同的个体,又可以表示生殖隔离的种群;"分类"可用来表示鉴定方案,
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Appendices:附录
(由2007年第130号法律公告修订)"物品"(thing) 包括任何动物及植物,不论属活体的或死体的;"物种"(species) 指任何动物或植物的物种或亚种,或该等物种或亚种在地理上隔离的种群;">"(Appendices) 指附录I、附录II及附录III;
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bottleneck:狭口
这些在通过创始者种群的狭口(bottleneck)时比在一个稠密而又大的物种中通过缓慢的选择过程更容易实现. 某一新物种是通过地理物种形成和染色体物种形成而产生的说法并没有矛盾. "边缘隔离"这一提法用于种群密度小和扩散能力大大降低的物种时就多少有些含糊不清.
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ecospecies:生态种
一个物种通常可以包括许多种群,不同种群之间存在着明显的地理隔离,长期隔离的结果有可能发展为不同的生态种(ecospecies),甚至产生新的物种. 如油松从河南、山东向北分布到辽宁,内蒙,其分布比较广阔,显然不能说它们是一个种群,
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irritation:愤怒
irritate 激怒、使急噪;刺激 | irritation 愤怒 | isolate 使隔离、使孤立;隔离种群
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species:种
自然界只有 "种" (species) 是真实存在的, 而所谓的亚种是物种分布时因地理隔离而出现 "岛屿式分布" 的集合种群. 这些集合种群之间由于长期进化和分化存在一定的遗传差异, 但尚未产生生殖隔离, 所以归属在一个种之下,
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subpopulation:亚种群
在不同斑块中的猴群(group),基因流已经被打断;在同一板块内的猴群,还享有较充分的基因流,构成了亚种群(subpopulation). 不同猴群(group)间的遗传距离,与地理距离没有相关性,而与人类活动区(隔离)的存在呈显著相关,
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variety:变种
"相似性"(affinity)这个词既可以仅仅表示相似,又可以表示遗传关系;"变种"(variety)这词可以用来表示地理隔离的种群,又可以用于表示种内的变体(个体);"种"既可表示形态不同的个体,又可以表示生殖隔离的种群;"分类"可用来表示鉴定方案,
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whites:白人
当年,隔离政策把居民和旅客分为4种人种群:白人(Whites)、黑人(Blacks)、有色人种(Coloureds)和印度人(Indians)或亚洲人(Asians). 除了白种人外,其他人的公民权都被剥夺,黑人更成为自己部落"黑人家园"(Bantustan)的"公民",
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isolates:隔离种群
"孤礁","isolated reef" | "隔离种群","isolates" | "隔离","isolation"