2015考研英语阅读回归野性_大学英语阅读

2015考研英语阅读回归野性

　　暨野牛回归蒙大拿活动之后，有一个更合乎自然逻辑和更为雄心勃勃的想法。这个想法，按照美国慈善组织--美国草原保护区协会主席肖恩.盖瑞蒂的说法，就是要创建一个遍布各地并将48个州连成一体的最大的野生保护区。盖瑞蒂先生想再造一个360万英亩大的天然大草原，在那里，大群的野牛能再次自由的漫步、奔跑。

　　Recreating Americas version of Africas Serengeti means thinking big. A sustainableecosystem needs to be able to cope with fires, disease and icing over of parts of the groundin the winter. But such a reserve would be of international significance. Grasslands, whichare economically valuable as farmland, are enormously underrepresented in naturereserves in America and worldwide. Temperate grasslands have the lowest level ofprotection of the worlds 14 recognised biomes, or habitats.

　　打造美国版的非洲塞伦盖蒂大平原需要考虑很多事情。需要建立一个能应对火灾、疾病以及冬季局部寒冷气候的可持续的生态系统。但是，建立这样的一个野生保护区将具有国际性的重大意义。从经济层面上讲，草原的价值决不低于农田，但在世界各地以及美国，草原没有得到应有的重视，正大量的减少。在世界14个受保护的生物群落和栖息地中，温带草地的保护水平最低。

　　APR is currently spending about $6m a year, largely on land. By autumn it will own or lease270,000 acres. One of the first jobs APR has to do when it obtains land is to remove thefences. A single ranch can easily have more than 800 miles of barriers. APR will ultimatelybe able to stitch together a network of private and public land to create its reserve. Buteven though the land is cheap, at around $450 an acre, APR will need $330m to set up thereserve and a further $120m for an endowment to maintain it and pay for grazing rights.