The impact of Land degradation, desertification and ：土地退化的影響荒漠化和

1、United Nations Convention to Combat Desertification DLDD = Desertification Land Degradation & Drought Impact of Land degradation, desertification and drought on sustainable development of LLDCsNK, NYLOAreas affected by desertification and land degradationDesertification affects over 40% of total

2、 world land area Africa: Two thirds drylands, 73 % is moderately or severely affectedAsia: One third is drylands, 71% affected, All Pacific islands states face some sort of land degradationNorth America proportion of drylands is 74%Five European Union countries are affectedLatin America and the Cari

3、bbean: one fourth drylands, 75% affected 110 countries have drylands that are potentially at risk.Over 250 million people are directly affected and One billion under threat or at riskGlobal desertification costs: US$42 Billion;Land is a finite resourceDLDD: Some facts & figures ? Sustainable Dev

4、elopment Food Energy Water Forest Land DLDD More than 50% of agricultural moderately to severely degraded LD directly affects 1,5 billion people globally 75 billion tons of fertile soil disappear/year 12 million ha/Year lost due to drought and desertification Six million km2 of drylands bear a legac

5、y of desertification Biodiversity: 27,000 species lost each year due to LD “Improved management of the worlds land (including terrestrial carbon) represents 1/3rd of the overall global abatement potential in 2030 CliBMain Causes of Desertification/land degradation Human activity :over cultivation, o

6、ver grazingDeforestation Poor agricultural practices Drought and Climate ChangeExtreme Poverty Increased emissions of GHG Deforestation Food insecurity & Hunger Instability & Crises Increased to Drought & Water stress Biodiversity Loss Migrations DLDD has far-reaching impacts Drylands an

7、d Conflicts (Cf. “Common Wealth by J. Sachs) Drought potential worldwide 2000-2098 Source : University Corporation for Atmospheric Research - S “Future We WantDesertification, land degradation and drought205. We recognize the economic and social significance of good land management,including soil, p

8、articularly its contribution to economic growth, biodiversity,sustainable agriculture and food security, eradicating poverty, the empowerment ofwomen, addressing climate change and improving water availability. We stress thatdesertification, land degradation and drought are challenges of a global di

9、mensionand continue to pose serious challenges to the sustainable development of allcountries, in particular developing countries. We also stress the particular challengesthis poses for Africa, the least developed countries and the landlocked developingcountries. In this regard, we express deep conc

10、ern for the devastating consequencesof cyclical drought and famine in Africa, in particular in the Horn of Africa and theSahel region, and call for urgent action through short-, medium- and long-termmeasures at all levels.206. We recognize the need for urgent action to reverse land degradation. In v

11、iew ofthis, we will strive to achieve a land-degradation neutral world in the context ofsustainable development. This should act to catalyse financial resources from arange of public and private sources.U Cost of Action Vs Inaction The Economics of Land Degradation Intervention Options for ZNLD Type

12、 1 - High degradation trendRehabilitate if economicallyor highly degraded lands: 25%feasible; mitigate wheredegrading trends are highType 2 - Moderate degradationIntroduce measure to mitigatetrend in slightly or moderatelydegradationdegraded land: 8% Type 3 - Stable land, slightly orPreventive inter

13、ventionsmoderately degraded: 36%Type 4 - Improving lands: 10%Reinforcement of enablingconditions which foster SLMSource FAO SOLAW 2021 Source: W and the Gl :/www Poverty eradication Improving livelihood through pro-poor policies on Sustainable Land & Water Management Climate change Land is a win

14、-win context for adaptation, mitigation & resilience building Avoided Deforestation Sust. Land Management & Restoration of degraded Lands as an alternative to Deforestation Food Security Preserving the resource base for food security - Land productivity/Soil fertility improvement at the core

15、 of all long term strategies Holistic Managemt Bio Energies Opportunities for Bio energies through biomass production Drought & Water stress Improving water availability & quality through sustainable land & water management Biodiversity Biodiversity conservation through improvement of land ecosystems conditions Avoiding Forced Migrations Changing the DAM paradigm “Degrade-Abandon-Migrate Thank you If you will not fight for right when you can easily win without bloodshed; if you will not fight when your vi