高山生态系统;
The park contains 150 lakes and 450 miles of streams, plus ecosystems ranging from wetlands to pine forests to montane areas to alpine tundra. A wide variety of animals inhabit the park, including beaver, elk, and bighorn sheep, as well as many bird species.
这个国家公园包括150个湖泊和450英里河流以及从湿地到松林、从山丘到高山冻原等各种生态系统。这个国家公园里栖息着包括海狸、麋鹿、加拿大盘羊以及各种鸟类等动物。
Nevertheless, so far only very few experiments have been done to study the responses of vegetations in alpine ecosystems, especially in alpine timberline ecotones in middle latitudinal area to simulated global warming.
然而,当前有关中纬度高山生态系统,特别是高山林线交错带对模拟增温响应的研究仍是鲜有报道。
英语网 · 英语词汇
英语网 · 双语新闻
英语网 · 初中英语语法
英语网 · 四六级英语
英语网 · 双语娱乐资讯