• Surprisingly few extinctions of indigenous species can be attributed to competition from introduced species.

    令人惊讶的是本土物种灭绝很少归因于外来物种的竞争

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  • They say that portraying introduced species as inherently bad is an unscientific approach.

    他们把外来物种描绘天生物种一种不科学的做法。

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  • Introduced species can often undergo a population boom just after introduction.

    被引进物种引入之后往往发生数量暴增

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  • It is only here where you can find areas still free from introduced species, as in the seas around Antarctica.

    只有这儿才能发现还有南极洲周围海域那样的尚没有引进物种的海域。

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  • Our goal for the day is to continue the control of introduced species such as rats, mice and stoats who are preying on birds.

    我们今天目标继续引入的、以鸟类维生生物例如各种老鼠控制

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  • Various conservation measures have transformed the formerly bare hillsides and slopes into areas with plants of local and introduced species.

    本港在采取各项自然护理措施后,以往是不毛之地的山坡,现已种植本地外来植物。

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  • As the world's only flightless parrot, the kakapo is a truly unique bird which is threatened by introduced species in its native home of New Zealand.

    鸮鹉世界上唯一不会飞鹦鹉,也是唯一一种新西兰本土引入物种威胁的鸟类

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  • Discovered by outsiders in 1979, the crested iguana's Numbers are rapidly dwindling due to the brisk spread of introduced species, such as feral cats and black rats.

    蜥自1979年来自岛外人们发现以来,由于随之引入例如野猫黑鼠等外来物种迅速蔓延,他们数量正在急剧缩减。

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  • Like many introduced species, American mink can slash their way through the ecosystem, as they have no native predators, and their prey species haven't evolved to avoid them.

    许多引进物种一样,美国通过生态系统杀出一片生机,因为它们没有本土的天敌它们食的物种还没有进化到可以躲避它们的掠食。

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  • Indeed, work with some other species suggests they too can refine their quantitative thought if they are introduced to the cognitive power tools we call numbers.

    事实上其他一些物种研究表明如果引入我们称之为数字认知工具它们可以完善自己的定量思维

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  • This was described by Darwin for indigenous New Zealand species of animals and plants, which died out when competing species from Europe were introduced.

    达尔文新西兰本土动植物物种所描述它们来自欧洲竞争物种引进灭绝了。

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  • Ragwort was accidentally introduced to New Zealand in the late nineteenth century and, like so many invading foreign species, quickly became a pest.

    19世纪末,狗草被偶然引入新西兰许多入侵外来物种一样,它很快就变成了一种有害生物。

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  • In some case, non-native species of oysters are introduced after a population decline, and they bring with them diseases that further kill off the native oysters.

    一些例子中非本土种类牡蛎会在本土数量下降引入它们随身带来的疾病进一步杀死光本土牡蛎。

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  • Dr MacKinnon says in some cases, alien species have been introduced to a country by people with good motives in mind, but they lead to disastrous results.

    麦克·金南博士某些情况下一个国家引进外来物种动机好的导致了灾难性的后果。

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  • That was determined largely by specific events in each ponds' history, such as the order in which species were introduced.

    决定一切的各个池塘演化过程中所经历的不同事件比如物种引入池塘的顺序

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  • Some of the beasts that have been introduced, such as foxes, eat the native species, or their food, and many imported plants prove invasive and overwhelm the locals.

    还有一些引进动物狐狸它们本土的物种抢它们的食物并且许多引进植物也带有侵略性,他们会破坏本地物种。

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  • It didn't used to be so solitary, but humans introduced goats to the island, which ate every other member of its species.

    本来,还不至于如此孤单可自从人类该岛上引入山羊,她所有同伴就被了个精光。

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  • A bumblebee draws nectar from an Arizona sunflower. Many bumblebee species are in decline, mainly because of habitat loss and likely due to introduced pathogens.

    只大黄蜂正在株亚利桑那向日葵吸取花蜜。很多种类大黄蜂其数量减少,这主要归咎于栖息地丧失病原体的引入

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  • One of the 100 most invasive species in the world the Nile perch was introduced to East Africa's Lake Victoria in the 1950s, and has wreaked environmental havoc ever since.

    世界上100影响最大外来入侵物种中,尼罗河鲈鱼是其中之一,它20世纪50年代引入东部非洲维多利亚。 由于鲈鱼的肆虐环境混乱的窘境一直延续至今

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  • Plants have also fared badly: a root fungus deliberately introduced into Australia has destroyed several species.

    植物的运气不佳:有意引进澳大利亚的一种根生真菌已经毁灭了几个物种。

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  • "Invasive alien species are non native species which are accidentally or intentionally introduced into new areas. They range from microbes to mammals," Dr MacKinnon says.

    麦克·金南博士说,“侵入性外来物种偶然故意被引入地区非本土物种,范围涉及微生物哺乳动物的多个物种。”

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  • Many bumblebee species are in decline, mainly because of habitat loss and likely due to introduced pathogens.

    很多种类的大黄蜂其数量减少,这主要归咎于栖息地丧失病原体引入

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  • In the 1980s molecular and genetic analysis was introduced, enabling species to be identified by their DNA rather than visual observation.

    1980年分子学基因分析出现,可以通过物种DNA不是通常的观察鉴别他们

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  • Household cats were introduced in North America by European colonists; they are regarded as an invasive species and have few natural enemies to check their Numbers.

    欧洲殖民者向北美洲引入;家猫视为入侵物种且几乎没有天敌。

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  • Bringing it back to Europe with him, he introduced the world to a new species of ape: the mountain gorilla (gorilla gorilla Beringe, in Beringe's honor).

    带到了欧洲世界介绍一个新的猿猴种类山地大猩猩(为纪念Beringe也被叫做Beringe大猩猩)。

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  • Ron: Wallabies, they're those little mammals from Australia and they were introduced in Hawaiiand now they're wild in Hawaii. They've become their own species.

    罗恩沙袋鼠来自澳大利亚哺乳动物,它们引进夏威夷,现在夏威夷野生动物。它们已经成为了夏威夷的物种。

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  • A carefully researched, analytical look at the effects that new species have on different environments into which they are introduced.

    本书对物种引入不同环境后带来后果进行了细致分析

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  • Resources of biological species introduced from abroad shall, according to law, be registered or be subject to examination and approval, and appropriate safety and control measures shall be taken.

    境外引进生物物种资源应当依法进行登记或者审批采取相应安全控制措施

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  • Resources of biological species introduced from abroad shall, according to law, be registered or be subject to examination and approval, and appropriate safety and control measures shall be taken.

    境外引进生物物种资源应当依法进行登记或者审批采取相应安全控制措施

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