日韩精品久久一区二区三区_亚洲色图p_亚洲综合在线最大成人_国产中出在线观看_日韩免费_亚洲综合在线一区

您現在的位置: > Language Tips > Audio & Video > Special Speed News  
 





  Five percent tropical forests being protected
[ 2006-06-07 09:35 ]

This is Shep O'Neal with the VOA Special English Agriculture Report.

A major study has looked at efforts to save the tropical forests that remain in the world. Researchers found that less than five percent of the forest land is being protected.

The study examined the use of sustainable management plans by forest operators. Such a plan seeks a continuous flow of forest products, without damage to the future of the forest or its environment.

The International Tropical Timber Organization did the study. The researchers studied the supervision of more than eight hundred million hectares of forests in thirty-three countries. This land represents two-thirds of all the natural tropical forests in the world.

Tropical forests are divided into two major kinds: production and protection.

Production forests are harvested for wood. These forests can be natural or planted. The study found that only about seven percent of production forests are managed sustainably.

Yet four times as much land is supposed to be managed under plans developed by forest operators. The researchers say it is much easier to develop a plan than to follow it, even if operators truly want to.

Protection forests are recognized as valuable not for harvested wood, but as shelters for animal and plant life, a lot of it rare.

Protected areas represent more than four hundred sixty million hectares of forests. Yet management plans have been developed for just four percent of that land. And the study found that the plans are being followed on only two percent.

From Asia to Africa to the Americas, progress is uneven in efforts to save tropical forests. Good management requires law enforcement and money. It also requires interest and ability.

Yet there is good news. The report says sustainably managed forests now cover at least thirty-six million hectares, an area the size of Germany.

The United Nations established the International Tropical Timber Organization in 1986. The group was formed in reaction to concerns about shrinking forest resources. At the time, almost none of the world's tropical forests had plans for sustainable management.

Fifty-nine nations are members of the organization which is based in Yokohama, Japan. They are responsible for about eighty percent of the world’s tropical forests and ninety percent of trade in tropical wood.

This VOA Special English Agriculture Report was written by Mario Ritter. Read and listen to our reports at voaspecialenglish.com. This is Shep O'Neal.

 
 
 




主站蜘蛛池模板: 成人网页 | 99久久精品国产高清一区二区 | 亚洲欧美日韩综合一区久久 | 99久久精品国产毛片 | 欧美一区二区精品 | 国产福利不卡视频在免费播放 | 日韩欧美福利视频 | 奇米777四色成人影视 | 中国大陆高清aⅴ毛片 | 97一本大道波多野吉衣 | 嫩草影院永久在线播放 | 国产色婷婷精品综合在线观看 | 免费国产免费福利视频 | 成人在线精品 | 国产精品极品美女在线观看免费 | 宅男lu666噜噜噜在线观看 | 久久影院在线观看 | 国产12孩岁A片被A午夜 | youjizz欧美 | 四虎欧美在线观看免费 | 在线观看av片 | 56av国产精品久久久久久久 | 三更饺子1最刺激的一段整集 | 日本人成年视频在线观看 | 国产精品久久久久影院色老大 | 国产亚洲精品一区二区 | 成人在线小视频 | 日本黄色网址视频 | 日本美女一区二区三区 | 国产成人aa免费视频 | 鲍莉| 91精品国产777在线观看 | 亚洲精品AV无码永久无码 | 成人综合久久综合 | 色婷婷精品综合久久狠狠 | 一级a毛片 | 欧洲精品视频完整版在线 | 日韩在线播放视频 | 99久久久精品 | 日本一区二区三区精品国产 | 国产九九免费视频网站 |