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VOA科学技术--约旦的修复项目为拯救受损土地带来了希望

时间:2022-05-24 06:58来源:互联网 提供网友:nan   字体: [ ]
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Restoration Projects in Jordan Offer Hope for Saving Damaged Land

New projects in the Middle Eastern country of Jordan aim to repair damaged land in one of the world's most water-starved nations.

The restoration measures include bringing native plants back to areas where they disappeared, as well as building modern water collection systems.

Local organizations believe the projects will help lessen1 the effects of land mismanagement and climate change. The efforts seek to slow expanding desertification, which happens when land turns into desert.

A United Nations report released April 26 states that 40 percent of land worldwide is currently2 degraded4. The report, by the U.N.'s Convention5 to Combat6 Desertification, predicts that by 2030, 700 million people could be displaced7 by drought. It blames the problems on land and water mismanagement, poor agriculture methods, mining and city development.

Jordan is one of several countries already struggling with the effects of degradation8, the report said. But environmentalists in Jordan are already taking steps to prevent further land damage.

One of the efforts is introducing four native plants to 41 square kilometers of desert in the Sabha area, about 90 kilometers east of Jordan's capital, Amman.

"We're working on the water, we're working on the green cover and we're working also with the habitats of the creatures, from insects to animals..." said Deyala Tarawneh. She helped create WADI, an organization seeking to repair forests and grasslands9 and find ways to improve water security in Jordan.

"The success rate of these plants is 85 percent, which is considered a very high percentage," Tarawneh said. "And they only need to be watered once, which is also reducing the amount of water needed for the irrigation of the green areas."

But as WADI's efforts continue, environmentalists say land restoration in Jordan still faces major difficulties. One of them is a lack of land areas available for restoration. In addition, many people in local communities are not willing to leave the land alone for at least one or two rainy seasons to let it recover.

The U.N. report calls for financial support to strengthen restoration efforts in developing countries. Among other things, it urges the expansion of protected and conservation areas, better water management and improved agricultural methods.

If such measures are carried out, they can lead to reduced biodiversity loss and improved soil health, the report says. The efforts could especially help areas in North and Sub-Saharan Africa, the Middle East, and Latin America.

But the report also notes that a lack of action could result in up to 16 million square kilometers of land degradation by 2050. That is an area about the size of South America.

Words in This Story

restore – v. to make something good exist again

mismanage – v. to organize or control something badly

degrade3 – v. damage the quality of something over time

drought – n. a long period of time during which there is very little or no rain

introduce – v. put something into use, operation, or a place for the first time

irrigate10 – v. provide water for an area of land so crops can be grown

conservation – n. the act of keeping something safe from harm or from being damaged or destroyed

biodiversity – n. the number and kinds of plants and animals that exist in a particular area or in the world generally


点击收听单词发音收听单词发音  

1 lessen 01gx4     
vt.减少,减轻;缩小
参考例句:
  • Regular exercise can help to lessen the pain.经常运动有助于减轻痛感。
  • They've made great effort to lessen the noise of planes.他们尽力减小飞机的噪音。
2 currently SvMzI2     
adv.通常地,普遍地,当前
参考例句:
  • Currently it is not possible to reconcile this conflicting evidence.当前还未有可能去解释这一矛盾的例证。
  • Our contracts are currently under review.我们的合同正在复查。
3 degrade Wx9xM     
vt.降级,贬低,堕落,退化
参考例句:
  • A dishonest action like that will degrade you.像这样不诚实的行为会使你降低身份。
  • You degrade yourself when you tell a lie.说谎会贬低自己的身分。
4 degraded 1uezwn     
a.被贬低的;堕落的
参考例句:
  • The Party is being degraded by its acceptance of secret donations. 该党因私下接受捐赠而蒙羞。
  • The contribution and demands of women have been degraded and ignored. 女性的贡献并未受到肯定,而妇女的需求也经常被忽略。 来自英语晨读30分(高二)
5 convention KYFza     
n.惯例,习俗,常规,会议,大会
参考例句:
  • How many delegates have checked in at the convention?大会已有多少代表报到?
  • He sets at naught every convention of society.他轻视所有的社会习俗。
6 combat 4qrzR     
n.战斗,斗争,格斗;vt.与...斗争,与...战斗
参考例句:
  • The police are now using computers to help combat crime.警方现在使用电脑打击犯罪活动。
  • A reporter interviewed the combat hero.记者访问了这位战斗英雄。
7 displaced 80a237e34fd2de4119d9d640b29506b6     
移动( displace的过去式和过去分词 ); 替换; 移走; 撤职
参考例句:
  • Gradually factory workers have been displaced by machines. 工厂的工人已逐渐被机器取代。
  • He was displaced by another young man. 他已被另一个年轻人顶替。
8 degradation QxKxL     
n.降级;低落;退化;陵削;降解;衰变
参考例句:
  • There are serious problems of land degradation in some arid zones.在一些干旱地带存在严重的土地退化问题。
  • Gambling is always coupled with degradation.赌博总是与堕落相联系。
9 grasslands 72179cad53224d2f605476ff67a1d94c     
n.草原,牧场( grassland的名词复数 )
参考例句:
  • Songs were heard ringing loud and clear over the grasslands. 草原上扬起清亮激越的歌声。 来自《现代汉英综合大词典》
  • Grasslands have been broken and planted to wheat. 草原已经开垦出来,种上了小麦。 来自《简明英汉词典》
10 irrigate HRtzo     
vt.灌溉,修水利,冲洗伤口,使潮湿
参考例句:
  • The farmer dug several trenches to irrigate the rice fields.这个农民挖了好几条沟以灌溉稻田。
  • They have built canals to irrigate the desert.他们建造成水渠以灌溉沙漠。
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