整个地球上的淡水动物都陷入了生存危机，连拥有丰富物种的东南部地区也不例外。
Freshwater animals are under siege all over theplanet, and the species-rich Southeast is no exception.
而美国东南部地区正是世界上各种淡水动物物种集聚的中心，以阿巴拉契亚山脉南部山区为其中的典型。
But it is the American Southeast that stands out as a world centerof freshwater-species diversity, especially the southern AppalachianMountains.
其古老程度和隔离状态使其成为世界上最丰富和最不寻常的淡水动物环境之一，赢得绰号“俄罗斯的加拉帕戈斯”。
Its age and isolation have produced one of the world's richest and most unusual environments for freshwater fauna, earning it the nickname "Galápagos of Russia."
有些喜欢小水坑、稻田和动物踩踏后留下的泥潭等浅层淡水蓄积之处。
Some prefer shallow collections of freshwater, such as puddles, rice fields, and hoof prints.
野生动物园里有很多生活在淡水湖的鳄鱼和生活在咸水湖的鳄鱼。
The Wildlife Park has plenty of freshwater crocodiles and saltwater crocodiles.
随着中国第二大淡水湖洞庭湖及其周边环境的改善，湿地再次成为野生动物的栖息地。
As the environment improves in and around Dongting Lake, China's second largest freshwater lake, the wetland has become cover once again for wildlife.
他认为观察到的这些昆虫捕食爬行动物的现象引发了对之前所持对淡水生境中捕食动态观点的疑问。
He suggests that these observations of bugs predating reptiles call into question previously held opinions about predator-prey dynamics in freshwater habitats.
它们在小水坑、稻田和动物踩踏后留下的泥潭等淡水蓄积之处滋生。
They breed in shallow collections of freshwater like puddles, ricefields, and hoofprints.
研究者认为由于淡水中能见度低，动物可能会更多的依靠声音。
Researchers thought some freshwater species might rely on sound because of poor visibility. So they collected water boatmen from a stream and pond in France.
森林可以提供木材、动物栖息地和淡水，还能储备大量的碳。
The forest provides lumber, habitat and freshwater and it sequesters vast amounts of carbon.
上帝设计了所有动物都渴望享受阳光，清新的空气，淡水及其余上帝的创造。
God designed all animals with a desire to enjoy sunlight, fresh air, fresh water and the rest of God's creation.
这种独特的爬行动物早已成为了全球动物保护者们的圣像，因为它在分类上没有任何近亲，并且被视为最能适应在淡水池塘与河流中生活的龟类。
The unique reptile has become an international conservation icon, due to it having no close relatives and being considered the turtle most adapted to life underwater in freshwater ponds and rivers.
海豚是哺乳动物，人们可以在世界上大多数的海洋和淡水中找到它。
They are mammals that can be found in most of the world's oceans, as well as in fresh water.
与此同时，咸淡水养殖中心努力在将亚齐重建为东南亚鱼类和甲壳类动物顶级质量育苗场之一的进程中发挥作用。
Meanwhile the Brackish-water Aquaculture Centre aims to play its part in a process to revive Aceh as one of Southeast Asia's prestige breeding grounds for top-quality fish and shellfish.
他们选了这些动物：猞猁，狐狸，狼，狼獾，老鼠，梭子鱼(一种淡水鱼)，角鲨鱼(一种小型鲨鱼——很有趣的名字，对吧？)
These are the animals chosen for the mission: Lynx, Fox, Wolf, Wolverine, Mouse, Pike (a freshwater fish), and dogfish (a kind of small shark — dogfish is a funny name for a shark, isn't it?)
身体透明并有许多附肢的淡水小型鳃足动物；倒置游动。
Small freshwater branchiopod having a transparent body with many appendages; swims on its back.
水的大身体将被青蛙但是更大的水动物占据例如不仅长-压缩的龟和淡水小螫虾或喇蛄。
Large bodies of water will be occupied not only by frogs but larger aquatic animals such as Long-necked Tortoises and Freshwater Yabbies or Crayfish.
淡水珍珠工艺品，动物熊猫。欢迎订货。
Freshwater pearl handicrafts, animal panda. Welcome to order.
小型淡水甲壳动物，长有盾牌状甲壳。
这是唯一的本地小龙虾种，而淡水甲壳动物是生态系统的另一部分。
It's the only native crayfish species, and the freshwater crustaceans are are just another part of the ecosystem.
桡足动物任一种桡足亚纲的大量海洋或淡水甲壳纲小动物，身体细长，尾部分叉。
Any of numerous minute Marine and freshwater crustaceans of the subclass Copepoda, having an elongated body and a forked tail.
水产专业的学生将学习鱼类，软体动物和其他淡水生物的养殖知识。
Students of aquaculture learn to cultivate fish, mollusks, and other foods that may be raised in fresh water or salt water.
蚌科是淡水底栖动物的重要类群，由于淡水蚌类存在趋同现象，致使我国蚌科在分类上仍然存在许多争议。
Unionidae is an important group of freshwater benthos. Due to the convergence phenomenon of freshwater mussels, there is still much controversy in the classification of Chinese Unionidae.
而对于无价的东西，比如没有污染的大气，清洁的淡水，未酸化的海洋，毛茸茸的野生动物等世界上最重要的资源，西蒙的论断就不适用了。
not if they are free, as are some of the most important global goods—a healthy atmosphere, fresh water, non-acidic oceans, furry wild animals.
概括了底栖动物的概念，列举了淡水底栖动物的主要类群；综述了近年来我国利用底栖动物评价和监测水质的主要工作。
The concept and main groups of zoobenthos was summarized, and studies of assessment and monitoring of water quality by using benthic animal in China were reviewed.
淡水植物和动物图片。草飘浮物在美国的一条河流。河流栖息地，称为河岸系统，通常包含茂密的植被和大量的动物的种类。
Grass floats in a river in the United States. River habitats, called riparian systems, often contain lush vegetation and a wealth of animal species.
美国列入受威胁及濒危物种名单的573种动物中，将近一半是淡水物种。
In the United States nearly half the 573 animals on the threatened and endangered list are freshwater species.
保护区为许多珍稀濒危动物提供保护，例如巨骨舌鱼、亚马逊海牛、黑凯门鳄和两种淡水豚类。
The site protects key threatened species, including giant arapaima fish , the amazonian manatee, the black caiman and two species of river dolphin.
保护区为许多珍稀濒危动物提供保护，例如巨骨舌鱼、亚马逊海牛、黑凯门鳄和两种淡水豚类。
The site protects key threatened species, including giant arapaima fish , the amazonian manatee, the black caiman and two species of river dolphin.
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