1.3 关于使用通过WOCAT记录的数据的条件

（现场）数据是什么时候汇编的？:

26/12/1997

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

1.5 请参阅有关SLM方法的问卷

2.1 技术简介

技术定义:

Planting Horsetail Beefwood as a shelter belt along seaside to prevent serious wind and water erosion/destroy of the cropland.

2.2 技术的详细说明

说明:

Horsetail Beefwood windbreak along seaside is applied to prevent serious wind and water erosion/destroy of the cropland. It is planted as a shelter belt in the cropland. Horsetail Beefwood is a perennial tree growing in sub-tropic and tropic climate. Its timber can be used in industry and fuel timber. It is easy to maintain.

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:

• 不到10年前（最近）

2.7 技术介绍

详细说明该技术是如何引入的:

• 通过项目/外部干预

注释（项目类型等）:

Tai Wan

3.1 该技术的主要目的

• 减少、预防、恢复土地退化

3.2 应用该技术的当前土地利用类型

注释:

Grazingland comments: Household grazing tends to standardize and stall feeding.

Problems / comments regarding forest use: The forest cover percent increase little, strenghtening the tree planting.

Forest products and services: timber, fruits and nuts, other forest products / uses (honey, medical, etc.), nature conservation / protection

Type of cropping system and major crops comments: Rice, cotton

Type of grazing system comments: Household grazing tends to standardize and stall feeding.

Constraints of recreation

Constraints of Urban: Urban construction does not coordinate with environmental protection

Constraints of Industrial/mining: causing damage of vegetation

Constraints of Wilderness

3.3 有关土地利用的更多信息

该技术所应用土地的供水:

• 雨养

每年的生长季节数:

• 1

具体说明:

Longest growing period in days: 365Longest growing period from month to month: Jan - Dec

3.4 该技术所属的SLM组

• 防风林/防护林带

3.5 技术传播

具体说明该技术的分布:

• 均匀地分布在一个区域

如果该技术均匀地分布在一个区域上，请注明覆盖的大致区域。:

• 1-10 平方千米

注释:

Total area covered by the SLM Technology is 2 m2.

It is a vegetative measure applied in the cropland along seaside and has marked effect on prevent wind erosion and destroy in the cropland.

3.6 包含该技术的可持续土地管理措施

3.7 该技术强调的主要土地退化类型

注释:

Main type of degradation addressed: Et: loss of topsoil

Secondary types of degradation addressed: Wt: loss of topsoil / surface erosion, Cn: fertility decline and reduced organic matter content

Main causes of degradation: deforestation / removal of natural vegetation (incl. forest fires), other natural causes (avalanches, volcanic eruptions, mud flows, highly susceptible natural resources, extreme topography, etc.) specify, lack of knowledge

4.2 技术规范/技术图纸说明

Technical knowledge required for field staff / advisors: moderate

Technical knowledge required for land users: low

Main technical functions: Wind-break

Secondary technical functions: control of raindrop splash, control of dispersed runoff: retain / trap, increase of surface roughness, increase / maintain water stored in soil

Mulching
Material/ species: Casuarina braches
Quantity/ density: 80%

Vegetative measure: Vegetative material: T : trees / shrubs

Vegetative measure: Vegetative material: T : trees / shrubs

Vegetative measure: Vegetative material: T : trees / shrubs

Vegetative measure: Vegetative material: T : trees / shrubs

Trees/ shrubs species: Cash & lots of shrubs

Slope (which determines the spacing indicated above): 1.00%

If the original slope has changed as a result of the Technology, the slope today is (see figure below): 0.00%

Gradient along the rows / strips: 0.00%

4.3 有关投入和成本计算的一般信息

具体说明成本计算所用货币:

• 美元

4.4 技术建立活动

	活动	措施类型	时间
1.	Planting trees(strip)	植物性的	Spring

4.5 技术建立所需要的费用和投入

注释:

Duration of establishment phase: 36 month(s)

4.6 维护/经常性活动

	活动	措施类型	时间/频率
1.	minimun tillage	农业学的	spring,summer / twice a year
2.	Planting SWC forest	植物性的	Spring /once a year
3.	Supplementing trees	植物性的	Spring /once a year

5.1 气候

5.2 地形

关于地形的注释和进一步规范:

Landforms plateau/plains: plain of seaside

Slopes on average flat: 1.0 - 1.5%

5.3 土壤

如有可能，附上完整的土壤描述或具体说明可用的信息，例如土壤类型、土壤酸碱度、阳离子交换能力、氮、盐度等。:

Soil fertility: low

Soil drainage / infiltration: good

Soil water storage capacity: low

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:

Population density: 200-500 persons/km2

Annual population growth: < 0.5%

2% of the land users are very rich and own 10% of the land.
10% of the land users are rich and own 8% of the land.
85% of the land users are average wealthy and own 80% of the land.
3% of the land users are poor and own 2% of the land.

Off-farm income specification: The land users who adopt the SWC can get much more subsidies from government or projects and less loss caused by damage of the sea wind or typhoon than those who take no SWC technology.

5.8 土地所有权、土地使用权和水使用权

土地所有权:

• 州
• 团体

6.1 该技术的现场影响

生态影响

水循环/径流

土壤

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）？

6.5 技术采用

如若可行，进行量化（住户数量和/或覆盖面积）:

175 (around 50 percent of the area

在所有采用这项技术的人当中，有多少人是自发地采用该技术，即未获得任何物质奖励/付款？:

• 90-100%

注释:

80% of land user families have adopted the Technology with external material support

90 land user families have adopted the Technology with external material support

Comments on acceptance with external material support: survey results

85% of land user families have adopted the Technology without any external material support

85 land user families have adopted the Technology without any external material support

Comments on spontaneous adoption: survey results

There is a strong trend towards spontaneous adoption of the Technology

Comments on adoption trend: Low input but marked output.