背景
旱地的特征在于水资源匮乏。缺水的影响波及到各种自然和人工生态系统，制约了畜牧业生产以及农作物、木材、牧草和其它植物生长，从而影响到生态系统的环境服务功能。旱地的出现是数千年以来多种因素共同影响的结果，诸如降水量少、干旱和热浪以及各种人类活动，如火的利用、放牧、木材和非木材林产品的采集和土壤耕作等。旱地土壤往往容易受到风和水的侵蚀，因密集的矿物风化和土壤表层有机物含量低而表现为相对贫瘠。[...]
Highlights
The Rome Promise
| Global Dryland Assessment
A wide range of methods and tools exist for monitoring and assessment of different aspects of drylands, as well as emerging new technologies and tools including FAO tools: LADA and Collect Earth. These methods should be used as building blocks and for [...] | Action Against Desertification
Action Against Desertification is an initiative of the African, Caribbean and Pacific Group of States (ACP) to restore drylands and degraded lands in Africa, the Caribbean and the Pacific to tackle the detrimental social, economic and environmental impact of land degradation [...] |
At its 22nd session in June 2014, the Committee on Forestry (COFO) requested FAO to “undertake a global assessment of the extent and status of drylands forests, rangelands and agrosilvopastoral systems”. During the event, several international agreements and initiatives calling for restoration of degraded lands were highlighted. Participants also highlighted that an appropriate [
