单词：tropical forest ecosystem
单词：tropical forest ecosystem 相关文章
The earths tropics teem with species. Theyre far more biologically diverse than the cooler parts of the planet. And scientists have credited higher temperatures and greater amounts of sunlight. But a new study claims that the secret to tropical biodi
Scientific American(七)月
Broadcast: Jan 24, 2003 By George Grow This is the VOA Special English ENVIRONMENT REPORT. Two environmental groups blame dishonesty1 among Indonesian officials for the continued destruction of the co
VOA2003（上）-社会广角
Can Forests Help Feed the World? 森林能帮着为世界提供粮食吗? Experts predict nine billion people will live on our planet by 2050. They say by that time demand for food will be two times what it is now. Officials are worried about that pr
2015年VOA慢速英语(六)月
A discovery of a mummified forest that's between two and 10 million years old is giving scientists a new window on climate change. Joel Barker, a research scientist at the Byrd Polar Research Center at the Ohio State University, discovered the mummif
VOA标准英语2010年(十二)月
Coastal Trees Help Fight Global Warming A new study says the world's tropical coastal forests store more planet-warming carbon dioxide than almost any other ecosystem. But rapid loss of these forests - known as mangroves - is releasing substantial an
VOA标准英语2011年(四月)
AGRICULTURE REPORT - Study Finds Only Five Percent of Tropical Forests Are Being ProtectedBy Mario Ritter Broadcast: Tuesday, June 06, 2006 This is Shep O'Neal with the VOA Special English Agriculture
2006年慢速英语（六）月