Across the American continents, exotic species are those introduced after the first European contact.

在美洲大陆上，外来物种是在第一次接触欧洲后引进的。

Both native and exotic species can become invasive, and so they all have to be monitored and controlled when they begin to get out of hand.

本土物种和外来物种都有可能成为入侵物种，因此当它们开始失控时，我们必须对它们进行监视和控制。

According to the facts that we know, (1) D. simulans is an exotic species;

根据了解到的事实，（1）拟果蝇在中国是一个外来种；

The exotic species has caused problems for the shrimping industry in other parts of the world.

这些外来物种给世界其他地方的虾业带来困扰。

When importing a lot of exotic species, we should not forget to conserve local breed resources.

在大量引进外种的情况下，应当不忘记把地方的品种资源保存好。

Two forest specialists showed significant increase in densities, one is native and the other is exotic species.

两种树林种类的密度有显著増加，其中一种是本土种，另一种是外来种。

For many in the West, diseases are a bit like birds: everyone gets them but poor countries have more exotic species.

在西方国家，疾病有点像禽流感——每个人都会患上它们；而在贫穷国家，疾病具有更多的外来因素。

But thinking of my husband as an exotic species gave me the distance I needed to consider our differences more objectively.

但是，将丈夫作为外来物种给了我空间，我需要这种空间来客观地考虑我们之间的差异。

There is a beautiful open garden surrounded by butterflies and other exotic species that you can view by just walking around.

在小镇闲逛的时候，你可以看到这里飞满蝴蝶和其他外来物种的美丽花园。

Other Exotic species have been introduced for landscape restoration, biological pest control, sport, pets, and food processing.

其他外来生物是为了恢复环境、害虫生物防治、体育、宠物、食物加工等目的而引进的。

The effects of exotic species to ecosystems are mainly on the productivity, soil, water, disturbance, community structure and dynamics.

植物外来种对生态系统的影响主要体现在生产力、土壤营养、水分、干扰体制、群落的结构和动态等方面。

She was English, which in those days — we are speaking of half a century ago — made her an exotic species in our little Irish seaside town.

她是英国人，在那时--半个世纪以前，她成为我们这个爱尔兰海滨小镇的“外星人”。

Undeterred, the Filipina — still in her pearls — stepped gracefully into the water, as the Hawar Islands welcomed another exotic species into its midst.

那位菲律宾妇女没有被吓着，她仍然戴着珍珠项链，优雅地迈进了水里，就像哈瓦群岛又迎来了一个物种。

In this article, survey of the present status of invasion of exotic species was described and the way of invasion and harms caused by invasion were analyzed.

本文对蛇岛外来物种的入侵现状进行了野外实地调查，并对其入侵途径、危害特点进行了详细分析。

They have come to signify the human race's fondness for protecting plants - be they exotic species from distant lands or simply common, home-grown vegetables.

他们来显示人类的爱保护植物物种被他们从遥远的异国土地或干脆常见，土生土长的蔬菜。

Objective to describe the invasion of exotic species into the composition of fly fauna in China and the significance of human-induced invasion of fly vectors.

目的说明我国媒介蝇类区系成分中外来种的入侵问题及人类活动导致的媒介蝇类入侵的重要性。

Our majority products is edge banding veneer both for domestic and exotic species, includes rolling type, flake type , Horizonal-grain veneer and cladding veneer .

国产、进口木皮，木皮封边条，有卷状品、片状品、横纹品、 包覆木皮、竹皮等。

As to garden plants, exotic species on the same latitude are also gradually introduced and used in clever mix with local varieties to create new plant landscape space.

在园林植物方面也逐步引用一些同一纬度上的外来品种，与本土品种进行巧妙搭配，构筑新颖的植物景观空间。

The ecological function of plantations can be improved by using a combination of fast growing exotic species and bird dispersed native species so as to accelerate succession.

在营造速生人工林时，适当引入鸟播的野生树种，可加速人工林的自然演替速度和提高人工林的生态效益。

Madagascar, which has been isolated from landmasses for more than 160m years, is the world's fourth largest island and a "conservation hotspot" with thousands of exotic species found only here.

马达加斯加脱离大陆已超过1.6亿年，是世界第四大岛屿，也是一个拥有数千种特有奇异物种的“热点保护地区”。

Ecosystems free of species defined as exotic are, by default, considered the most natural.

默认情况下，没有外来物种的生态系统被认为是最自然的生态系统。

Distinctions between exotic and native species are artificial.

外来物种和本地物种的区分是人为的。

The black market trade in exotic carnivorous plants is so vigorous now that botanists are keeping the location of some rare species a secret.

现在，外来食肉植物的黑市交易非常活跃，以至于植物学家一直对某些稀有物种的位置三缄其口。

Sea temperatures have risen by 1c in the past 25 years and more exotic southern species have entered North Sea waters.

在过去25年里，海洋温度已经上升了1度，更多南部外来物种进入了北海水域。

The single species used for plantations may be indigenous or exotic, but these plantations are intensively managed.

栽种使用的单一树种可以是本地的或是外来的，不过这些种植园都是集约化管理的。

The giant panda is one of the world's most exotic and endangered species and can be found only in China.

大熊猫是世界上最为珍奇、同时也最为稀有的物种之一，只有在中国才能寻觅到它们的踪迹。

Invasive species aren't just exotic animals, scary snakes or annoying insects.

外来入侵物种并不光是那些从外国传入的动物、可怕的蛇或讨厌的虫子。

They will protect species including sponges, sea squirts, corals, shellfish, and more exotic creatures such as the colourful cuckoo wrasse fish.

这15个地点将保护包括海绵动物、海鞘、珊瑚、甲壳类动物以及其他外来生物如波纹鱼(cuckoo wrasse)在内的生物种类。

The exotic looking lionfish, a favorite of aquarium owners, is a species of multi-colored, striped fish, also known as the Fire Fish because of its venomous spines.

充满异域风情的狮子鱼被赏鱼爱好者所青睐。 狮子鱼身上条纹斑斓，色彩丰富，但因为其脊柱有剧毒，所以也被人称为"火鱼"。