It threatens the indigenous ecosystem and the species being brought in May not be able to survive.
这会威胁当地生态系统，而且从其他地方引进的物种可能无法存活。
The type of bait which most satisfactorily catches fish depends upon the fish species being sought.
能最满意地捕获到鱼的鱼饵的类型咬依据所捕的鱼的种类而定。
These bears are being put on the red list of endangered species being driven there by hunters and profiteers and farmers.
猎人、牟利者和农民正在驱使这些熊加入到濒危物种的红色名单上。
The south side is a bright solarium of light, the flowers and plants my species being filled inside still has the goldfish fostering.
南面就是光线透亮的大阳台，里面摆满了我种的花草还有养的金鱼。
Many of the best-documented cases of individual species being driven to extinction or near-extinction by humans are those of over-exploitation.
个别品种已经走向灭绝或接近灭绝，许多是由于人类的过度开发。
Yet demand for its eggs and meat in Papua New Guinea, one of the turtle's main homes, has led to the species being dramatically over-harvested by indigenous people.
但是因为巴布亚新几内亚——这种龟类的主要栖息地之一——对它的蛋和肉有着巨大的市场需求，使得这个物种遭到当地人的过度捕杀。
There are still new species being discovered: plants, birds, chameleons, lemurs, tortoises that we might not yet know about, that could be on the brink of extinction.
这里还在不断发现新的物种：植物、鸟类、变色蜥蜴和乌龟，我们可能还不太了解这些物种，但它们可能将濒临灭绝。
The Chinese gobioid fishes may be grouped in three types, viz. , the warm-water, the warm-temperate and the cold-temperate species, the type of cold-water species being absent.
中国（鱼叚）虎鱼类可分为暖水性、暖温性和冷温性三个类型，缺乏冷水性种。
The situation of the rare tree species being threatened by the pollution substances is investigated. The endangered mechanism and its symptoms are analyzed. The protection measures are proposed.
对成都市的主要古树名木被环境污染物质危害的现状进行实地调查，从受害症状入手，对受害机理作分析，并提出保护古树名木的具体措施。
Opportunists must constantly invade new areas to compensate for being displaced by more competitive species.
“机会主义者”必须不断入侵新的地区，以弥补被更具竞争力的物种取代的损失。
Commenting on the find, snake expert Robert Henderson, from the Milwaukee Museum of Natural History, said, "Worldwide, new species of frogs are being discovered and described quite regularly."
密尔沃基自然历史博物馆的蛇类专家罗伯特·亨德森对这个发现评价称：“在世界范围内，人们经常会发现和描述新种类的青蛙。”
Snake expert Robert Henderson, from the Milwaukee Museum of Natural History, said, "Worldwide, new species of frogs are being discovered and described quite regularly."
密尔沃基自然历史博物馆的蛇类专家罗伯特·亨德森说：“在世界范围内，人们经常发现和描述新的青蛙种类。”
This species has nearly died out because its habitat is being destroyed.
因栖息地正受到破坏这一物种已濒于灭绝。
The effect on the well-being and existence of a species is just the result of the effects of selection on all the individuals of the species.
对一个物种的福祉和生存的影响，只是对该物种所有个体的选择所造成影响的结果。
This means that many of these species could have disappeared before even being discovered.
这意味着，这里的许多物种可能会在被发现之前就消失了。
Neither species, though, seemed to mind being watched.
两个物种似乎都不介意被人观察。
New species are constantly being discovered, however, such as the ones pictured in this slideshow, collected during the recent Census of Marine Life.
然而，新的物种不断被发现，诸如在这个幻灯片里拍到的照片，就是最近海洋生物普查收集而来的。
Having evolved effectively in isolation, more new species are being discovered there to this day.
在隔绝的状态下不断进化，更多新的物种将在这里被发现。
Yang Wenfu, 55, gave up rearing species of venomous vipers after being bitten by one of them earlier in his career.
杨文夫，55岁，由于早年饲养时被一种很毒的毒蛇咬过后放弃饲养这种毒蛇了。
The small number of species also suggests the ancient forest was "an ecosystem right on the edge of being able to survive, " according to Barker.
巴克尔认为，这少量存在的物种说明了这片远古森林是在“灭绝边缘存活下来的生态系统”。
New species came into being over tens and hundreds of thousands of years. But these are time scales and generations that we cannot imagine.
数万年间，又有新的物种衍生，但这个时间尺度如此之长、繁衍的代数如此之多，远非人类能够料想得到。
Their global numbers were duly recorded along with their degree of endangerment, the state of their habitats and details of measures being taken to protect each species.
这些物种的全球数量、濒危情况、栖息地状况以及已采取了何种措施对其进行保护的相关细节不同时期都有记录。
They also knew that any species (domesticated swine being one) which carries receptors of both types could act as a mixing vessel.
他们认为，任何物种(家猪算是一例)含有全部两种受体就可能成为混合器。
Aside from being horrendous and uncivilized behaviour per se, this is also dangerous to those hydrophobic species here in the galactic community.
且不论这些行为本质上的粗鲁与不文明，它们对银河系这个大社区中患有恐水症的种族也是极其危险的。
The Census of Marine Life also points to the effect of so-called "alien species" being found in many of the world's Marine ecosystems.
海洋生物普查还指出了在世界上许多海洋生态系统中发现的所谓“外来物种”的影响。
Efforts are also being made to prevent the spread of invasive species through the taking on and discharging of ships' ballast water.
人们也在努力阻止入侵性物种通过船舶压舱水的装载和排放而扩散。
But humankind is luckier than most species. It has the advantage of being able to think ahead, and to prepare for the changes to come.
人类比大多数物种幸运，他具备超前思考，未雨绸缪的优势。
Sri Lanka is well renowned for being the home of a species of ancient elephant------elephas-maximus-maximus.
斯里兰卡的出名源于它是亚洲象种------锡兰象的故乡。
But being an endangered species and much-loved national icon means there's no "three strikes and you're out" for Gu Gu.
但是作为濒危物种和倍受喜爱的国家象征，GuGu不可能因为这三次攻击事件而被赶出动物园。
But being an endangered species and much-loved national icon means there's no "three strikes and you're out" for Gu Gu.
但是作为濒危物种和倍受喜爱的国家象征，GuGu不可能因为这三次攻击事件而被赶出动物园。
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