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Genecology The study of ecological genetics, or population genetics in relation to environment.

遗传生态学(生态学):是一门研究生态遗传或遗传与环境关系

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Objective To study the hatching process of the reared population of Lucilia sericata.

观察丝光绿蝇室内孵化特征。

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Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一内进行杂交个体比以两个方向进行杂交个体繁殖后代要多,因此为了产生无生机,就要消耗掉一些配子。

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The species of microzoon observed in oxidation ditch have totalled 56 kinds since Handan WWTP operation, and the paper supplies dominant species of microzoon in ditch under normal operation.

本文总结了邯郸市东污水处理厂氧化沟工艺自运行以来沟中所出现微型生物共计56,并提供了正常运行条件下,微型生物优势

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In this paper,we study the permanence of populations of a competing chemostat model in a polluted environment.Population control is also dealt with for the model without inter species competitionin.

讨论了污染竞争恒化器模型永久持续生存性,当只有内竞争时考虑了控制问题。

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Amensalism An association between two different species, at either the level of the individual organism or the population level, in which one is harmed and the other is unaffected.

偏害共生(栖):两个不同物之间联系,表现在个体水平或者水平上,任何一方受到伤害,另一方不受影响。

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The gen etic variation of individuals from the same geographic populations wa s smaller than that of individuals from different geographic populati ons within the same voltinism groups.

在同一个化性类群内,同一地理个体间基因变异小不同地理变异。

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Hippophae rhamnoides L.subsp.sinensis is a heliophyte tree,so that some scholars consider it as a pioneer population,but others regard that the tree regenerate well in natural conditions.

中国沙棘性树,因此有些学者将其视为群落演替过程中先锋,而有些学者研究表明它在自然状态下更新良好。

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The ground base was evaluated and analysed by using biological index and variation of population of benthon which are effected by bottom water and mud environment.

以底栖动物作为底层水环境和底泥环境长期影响指标,利用生物指数和结构变化对底质进行评价和分析。

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Evolution is regarded as a branching process, whereby populations are altered over time and may speciate into separate branches, hybridize together, or terminate by extinction.

进化被视为一个分枝过程;随着时间推移,发生改变,也可能进化成为分枝,也可能相互杂交或灭绝终止。

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Competition between the rotifer Brachionus calyciflorus and the cladoceran moina macrocopa in relation to algal food concentration and initial rotifer population density.

温度和食物浓度对三品系萼花臂尾轮虫实验动态影响。

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At the same time, through constructing the new generation within phyle, the searching rate in optimization of the algorithm is increased.

同时,提出了在宗族中构造子代思想,提高了算法寻优效率。

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With more than 1.6 million registered pedigree cows, Germany is the home of biggest herdbook population all over the world.

德国拥有超过160万头纯家谱奶牛,是世界上最大奶牛之家。

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Submerged macrophytes is key community in shallow lake ecosystem.It plays important role in water environmental quality and aquicolous ecosystem structure.

沉水植物是浅水湖泊生态系统关键,对水环境质量及水生生态系统结构有重要影响。

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The effect of the sticky ovitrap on collecting Aedes albopictus (Diptera: Culicidae)in the fields were evaluated in Wuhan, China.

摘要研究孕卵蚊虫粘捕法在白纹伊蚊监测中应用效果。

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The relationship between the species,number of oribatid mites and the level of plumbum pollution was explored in this study.

对土壤中甲螨孳生数量与土壤铅污染之间相互关系进行探讨。

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There are lots of factors causing infestation of phytophagous pests and changes of dominate species in the apple orchards.

摘要苹果园内植食性昆虫数量上升和主要变替,原因是多方面

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The interference index of population control,IIPC was used to evaluate the control effect of Avermectins,Yasimie and Yasimiejin on peach-aphid.

应用干扰作用控制指数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂对桃蚜控制作用。

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Variation of culturable microbial population structure and essential soil enzyme activities were investigated with continuous cucumber cropping.

摘要利用平板培养法对黄瓜连作根系微生物连续性变化进行了跟踪研究。

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BBC纪录片《我球》

The harshness of the winter here hinders their increasing numbers.

严酷冬天阻碍了这个种群数量增长。

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历年四级阅读真题精

Only a tenth of our oceans' fish stocks could sustain heavier fishing than current levels.

只有十分之一海洋鱼类种群能够承受比目前水平更重捕捞。

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Fastrack雅思阅读高分秘籍

And I found this sentence " Being able to undertake research on animals in zoos where there is less risk and fewer variables means real changes can be effected on wild populations."

“能够在动物园里对动物进行研究,风险较小,变量较少,这意味着野生种群会受到真正影响。”

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VOA Standard 2014年1月合集

If waters are not well flushed and sufficiently deep, feeding the caged fish can lead to excessive accumulation of nutrients and wastes, which endangers the balance necessary to sustain wild populations.

如果水域流动性不好,也不够深,么鱼笼养鱼会导致营养物质和垃圾富集,危害维持野生种群可持续所需平衡。

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历年六级力真题精

It studies these populations, in the past, present and future, using quantitative data and mathematical models as tools of analysis.

它在过去、现在和将来研究这些种群,使用定量数据和数学模型作为分析工具。

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历年四级力真题精

The whale population has become endangered due to commercial whaling activities in recent years.

近年来,由于商业捕鲸活动,鲸鱼种群已濒临灭绝。

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当月 CNN 10 学生英语 2021年5月合集

Our disease are very dangerous when they get to their communities.

人类疾病对它非常危险,尤其当它进入自己种群时候。

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科学世界

Leading to a mixing of the two populations.

这导致两个种群混合。

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当月 CNN 10 学生英语 2021年11月合集

And that big number is on top of an even larger loss of mature sequoias last year in the Castle Fire, part of the Sequoia Complex, that wildfire eviscerating 10 to 14 percent of the world's giant sequoia population.

这个巨数字远于去年在城堡火(红杉复合一部分)中损失更成熟红杉数量,火烧毁了世界上10%到14%巨型红杉种群

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雅思

Giraffes usually live in small herds and often feed with other animals.

长颈鹿一般是小种群群居,和其他动物共享觅食区域。

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当月 CNN 10 学生英语 2020年9月合集

Of the four puffin species, the Atlantic puffin is the smallest.

在这四种海鹦种群中,西洋海鹦体积是最小

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CNN 10 学生英语 2022年9月合集

So, the only breeding populations, the seed stock, are in zoos.

所以,唯一繁殖种群,种子储备,在动物园里。

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当月 CNN 10 学生英语 2021年3月合集

You will only find Hector's dolphins off the coast of New Zealand, and there's a subspecies of them called Maui dolphins whose population has dwindled to just a few dozen left in the wild.

你只能在新西兰海岸找到赫氏矮海豚,它一个亚种叫毛伊海豚,该种群野生数量已经减少到几十条了。

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雅思口语9分范文

It's gorgeous, it's a very Mediterranean type of climate and the kind of flora which one encounters there, is also seen in the Mediterranean, but even though the flora looks Mediterranean, it's a whole genus of its own called Fynbos.

特别美,很典型中海气候,而且能在里遇到植物群在中海也能看到,但是虽然这个植物群看起来很中海,但它是一整个自己种群,叫做高山硬叶灌木群落。

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CNN 10 学生英语 2018年9月合集

And if thousands of modified mice were released in Nantucket, they could pass on Lyme disease immunity to the island's entire mouse population.

如果在楠塔基特岛投放数千只基因改造后老鼠,他可以将莱姆病菌免疫传递给岛上整个种群

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切达科学解读(双语精选)

Beaches that have been mined to become barren pits, reefs and fish populations are killed.

被开采海滩变成了贫瘠坑,珊瑚礁和鱼类种群都被杀死了。

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环境与科学

And if it split into two, that was the first population.

如果它一分为二,就是第一个种群

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TED演讲(视频版) 2018年7月合辑

If you couldn't tell -- yes, they're my favorite group.

可能你不知道—— 是,它是我最喜欢种群

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Vox 观点

And it some cases, it set the stage for big population growth.

在某些情况下,它为种群数量幅增长奠定了基础。

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透视百科商业类

On one hand, they can help protect the sturgeon from further population decline.

一方面,它能够助力保护鲟鱼,遏制其种群数量继续下滑。

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