1.2 参与该技术评估和文件编制的资源人员和机构的联系方式

有助于对技术进行记录/评估的项目名称（如相关）

Central Asian Countries Initiative for Land Management (CACILM I)

有助于对技术进行记录/评估的项目名称（如相关）

Pilot Program for Climate Resilience, Tajikistan (WB / PPCR)

1.3 关于使用通过WOCAT记录的数据的条件

编制者和关键资源人员接受有关使用通过WOCAT记录数据的条件。:

是

1.4 所述技术的可持续性声明

这里所描述的技术在土地退化方面是否存在问题，导致无法被认为是一种可持续的土地管理技术？:

否

2.1 技术简介

技术定义:

Shelterbelts are used to protect irrigated land from deposition of sand and to reduce wind speed

2.2 技术的详细说明

说明:

This technology consists of shelterbelts made of Russian Silverberry (Elaeagnus angustifolia) to protect irrigated wheat and rice fields from strong winds.

In the Shaartuz area wind erosion poses huge problems to crop cultivation as topsoil is being removed and deposited as sediments on neighbouring fields. Dusty storms not only damage the crops but they also cause damage to the main surface, the fertile layer of soil. Sand also damages the irrigation canals, roads, gardens and streets in urban areas which forces people to leave such areas. Good yields cannot be achieved if fields are not properly protected.
A solution to this problem is the planting of shelterbelts around fields to slow wind speed and to prevent erosion of the arable soil layer. During Soviet times shelterbelts were planted on collective farms by the state forestry committee under contracts. After the collapse of the USSR and before the formation of Dehkan farms land users were not interested in investing in shelterbelts due to unprotected land use rights and unclear legal procedures. One farmer however tested the planting of a shelterbelt in 1992 when his son came back from his studies at the Agricultural University where he had learnt about the technology. They planted the first shelterbelt using a mixture of different tree species to protect newly irrigated fields. Due to financial constraints they could not invest in any other shelterbelts but in 2010 UNDP provided them with financial support to buy seedlings to increase the shelterbelt area. For this new shelterbelt the native Russian Silverberry (Elaeagnus angustifolia) was considered the most appropriate species as soils were highly saline and only this species proved tolerant.

Trees were planted in three rows, along field boundaries and also along irrigation channels. Within rows trees were spaced at a 1m interval with a 6 m distance between rows. The plantations were established through “haschar” (voluntary neighbourhood help) with 30 people planting about 10,000 trees within one month. During the first three years after planting the saplings need regular irrigation and sanitary cleaning to help establish themselves. After 6-7 years the trees start drawing a lot of water from the soil which prevents the irrigated soils from damage through water logging. Russian silverberry can grow up to 12 m in 10-12 years.

Benefits of these shelterbelts are increased crop yields (wheat and rice) due to the protection from strong winds and decreased evapotranspiration. Thanks to the species association with nitrogen fixing root bacteria soil fertility is improved. The trees further produce edible fruits and provide valuable firewood that is consumed by the households. Russian Silverberry is resistant to pests and diseases and drought-tolerant once established; however, it requires a lot of water during the first few years. One constraint to the establishment of the shelterbelt is local people who often cut down branches for firewood. The farmer therefore has to guard his field whenever possible with the help of his family and staff he has employed to work on his field. Implementation of forestry initiatives began in 2009 and a total of 11 ha land was covered between 2009-2010. 11 farmers were involved in the project and establishment of the shelterbelts was initiated stage by stage during these two years. The project initiatives have also continued into 2011 as well. As other farmers do observe and understand the importance of shelterbelts, there has been a trend towards adoption of the technology by other farmers.

2.3 技术照片

2.5 已应用该技术的、本评估所涵盖的国家/地区/地点

2.6 实施日期

如果不知道确切的年份，请说明大概的日期:

• 10-50年前

2.7 技术介绍

详细说明该技术是如何引入的:

• 在实验/研究期间

注释（项目类型等）:

The land users son learnt about the technology while he studied at the agricultural university and the first shelterbelt was implemented through the land users own initiative

3.1 该技术的主要目的

• 改良生产
• 保护生态系统

3.2 应用该技术的当前土地利用类型

注释:

Major land use problems (compiler’s opinion): Dusty storms not only damage the crops but they also cause damage to the main surface, the fertile layer of soil. Sand also damages the irrigation canals, roads, gardens, streets in urban areas which can force people to leave such areas.
Major land use problems (land users’ perception): Wind erosion leading to deflation of sandy soils, low soil fertility, reduction of vegetation cover, and increasing impacts of climate change.

3.3 由于技术的实施，土地使用是否发生了变化？

3.4 供水

该技术所应用土地的供水:

• 充分灌溉

3.5 该技术所属的SLM组

• 防风林/防护林带

3.6 包含该技术的可持续土地管理措施

注释:

Type of vegetative measures: aligned: -against wind

3.7 该技术强调的主要土地退化类型

注释:

Main causes of degradation: over-exploitation of vegetation for domestic use, wind storms / dust storms, inputs and infrastructure: (roads, markets, distribution of water points, other, …) (breakdown of soviet irrigation systems and therefore abandonment of land)

3.8 防止、减少或恢复土地退化

具体数量名该技术与土地退化有关的目标:

• 减少土地退化
• 修复/恢复严重退化的土地

4.1 该技术的技术图纸

4.2 有关投入和成本计算的一般信息

其它/国家货币（具体说明）:

Somoni

如相关，注明美元与当地货币的汇率（例如1美元=79.9巴西雷亚尔）：1美元=:

4.5

4.3 技术建立活动

	活动	时间（季度）
1.	Planting of grafting material or tree seedlings	December

4.4 技术建立所需要的费用和投入

	对投入进行具体说明	单位	数量	单位成本	每项投入的总成本	土地使用者承担的成本%
劳动力	labour	ha	1.0	720.0	720.0	100.0
植物材料	seedlings	ha	1.0	1350.0	1350.0
技术建立所需总成本					2070.0
技术建立总成本，美元					460.0

注释:

Duration of establishment phase: 12 month(s)

4.5 维护/经常性活动

	活动	时间/频率
1.	Irrigation of seedlings	regularly during first three years
2.	Sanitary cleaning of trees

4.6 维护/经常性活动所需要的费用和投入（每年）

	对投入进行具体说明	单位	数量	单位成本	每项投入的总成本	土地使用者承担的成本%
劳动力	labour	ha	1.0	85.0	85.0	100.0
技术维护所需总成本					85.0
技术维护总成本，美元					18.89

4.7 影响成本的最重要因素

描述影响成本的最决定性因素:

Labour was provided for free through the so-called "haschar" or neighborhood help.

5.1 气候

5.2 地形

5.3 土壤

5.4 水资源可用性和质量

5.5 生物多样性

5.6 应用该技术的土地使用者的特征

说明土地使用者的其他有关特征:

Land users applying the Technology are mainly common / average land users
Annual population growth: 1% - 2%

5.7 应用该技术的土地使用者使用的平均土地面积

5.8 土地所有权、土地使用权和水使用权

土地所有权:

• 个人，有命名

土地使用权:

• 个人

5.9 进入服务和基础设施的通道

6.1 该技术的现场影响

社会经济效应

生产

社会文化影响

生态影响

水循环/径流

土壤

生物多样性:植被、动物

减少气候和灾害风险

6.2 该技术的场外影响已经显现

6.3 技术对渐变气候以及与气候相关的极端情况/灾害的暴露和敏感性（土地使用者认为的极端情况/灾害）

渐变气候

渐变气候

	季节	增加或减少	该技术是如何应对的？
年温度		增加	好

气候有关的极端情况（灾害）

气象灾害

	该技术是如何应对的？
局地暴雨	好
局地风暴	好

气候灾害

	该技术是如何应对的？
干旱	好

水文灾害

	该技术是如何应对的？
比较和缓的（河道）洪水	未知

其他气候相关的后果

其他气候相关的后果

	该技术是如何应对的？
缩短生长期	未知

6.4 成本效益分析

技术收益与技术建立成本相比如何（从土地使用者的角度看）？

技术收益与技术维护成本/经常性成本相比如何（从土地使用者的角度看）？

注释:

the trees take time to establish during which the benefits are not yet tangible

6.5 技术采用

• > 50%

注释:

100% of land user families have adopted the Technology with external material support
11 land user families have adopted the Technology with external material support
There is a strong trend towards spontaneous adoption of the Technology
It is impossible to get good yield in these areas which are prone to strong winds without shelterbelts. Farmers do realise and understand the importance of shelterbelts and there is a trend towards growing spontaneous adoption of the technology.

6.7 该技术的优点/长处/机会

土地使用者眼中的长处/优势/机会
Reduced deflation and deposition of sand on fields and therefore improved crop growth
Increased crop yield as before the establishment of shelterbelts no crops could grow on this land
Reduced wind speed
Russian Silverberry produces edible fruits rich in vitamins
Increased production area

编制者或其他关键资源人员认为的长处/优势/机会
Russian silverberry is a native tree species with high drought-tolerance and the ability to grow on nutrient-poor soils thanks to its root association with nitrogen fixing bacteria
Once established the shelterbelts do not need a lot of maintenance
Rehabilitation of unproductive, denuded land into productive cropland

6.8 技术的弱点/缺点/风险及其克服方法

土地使用者认为的弱点/缺点/风险	如何克服它们？
The shelterbelts have to be protected from being damaged by local people who want to cut them for firewood	Awareness raising; increase of firewood supply through tree planting

7.1 信息的方法/来源