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/评估的机构名称（如相关）

Missenyi District Council (Missenyi District Council) - 坦桑尼亚联合共和国

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:

Improvement of degraded rangeland in savannah using multiple rangeland improvement techniques that complement each other to optimize livestock production and productivity sustainably.

2.2 技术的详细说明

说明:

Multiple rangeland and pasture improvement techniques that combines water harvesting, rangeland reseeding and pasture establishment, livestock breeding management techniques to restore degraded rangeland in savannah with high livestock and optimize livestock production and productivity sustainably. These includes; 1. Chaco dam excavation for rain runoff harvesting mainly during the rainy season (February to April and August to December) mostly;(i).To ensure year round availability of water largely for watering livestock and partly for domestic and agriculture use especially during the main dry season when local sources (Ponds, springs or stream) are dry,(ii).To reduce soil erosion by water (lily or gully erosion, (iii).To reduce river bank erosion and silitation due direct watering of livestock in to Kagera river, (iii). To reduce the distance animal has to walk for watering and (iv) to reduce water use conflicts between herders and other land users. 2. Establishment of pasture demonstration plots where farmers are exposed to a basket choice (Low cost technique Vs high cost technique) of pasture and rangeland improvement technique either through ;( a). Tilling the land and broadcasting drought tolerant indigenous degenerated palatable pasture species of high nutritive value and, mainly (i).Grass; Cenchrus cliaris, Chloris gayana and (ii).Legumes; Centrocema puberse, Lablab purpureus, Mucuna Pluriens and Puperaria Phaseilides ) to a manured degraded rangeland; (b).i. Encouraging re-growth of proper pasture species in a degraded area to take place through clearing bushes, shrubs or trees ( leaving edible shrubs and few selected shed trees especially acacia spp which allow pasture re-growth underneath and provide shed against intense sun radiations to livestock especially during the main dry season- July to September); ii. Closing the degraded area by fencing using live indigenous trees or using wooden pole with or without barbed wire for 2 -3 years, removal of anthills and discouraging regeneration of unproductive invasive species and hence returning the rangeland to productivity;3. Genetical improvement of local cattle (Ankole or Zebu) through crossbreeding with introduced improved bull especially boran, Frisian or Mpwapwa bulls to allow farmers to keep few improved offspring of high production and productivity ;4.Farmer training on rangeland improvement and grazing management including hay making and how to estimate carrying capacity 5. Establishment of livestock markets directly on the rangeland to encourage off take and hence control stocking rate and increase carrying capacity.

Purpose:To contribute to the increase of herders’ standard of living through increased livestock production and productivity while conserving the environment

Estblishment activities:1. Community mobilization and formation of project management commetee with 10 members; 2. Identification of project sites; 3. Land clearing; 4. Establishment of pasture demonstration plots; 5. Excavation of chacodam and construction of watering troughs; 6. Fencing of individual owned land using wooden pole with barbed wire or live fencing using euphobia spp; 7. Farmer training on pasture establishment and controll of stocking rate; 8. Procurement of bulls (Boran or Mpwapwa) for cross breeding with ankole females; 9. Construction of livestock market
Maintanence Activities: 1. Repair of livestock infrastructures (Chacodam, watering troughs, livestock fence, livestock markets).

The technology is implemented in extensive grazing land under semi arid condition receiving 600 -1000mm of rains per year. A combination of rangeland improvement measures (Excavation of chacodam for rainwater runoff harvesting, pasture improvement and establishment techniques, fencing and breeding management through cross breeding local cow (Ankole/zebu) with Boran/Mpwapwa bulls) complement each other to restore degraded rangeland and increase livestock production and productivity in savannah. The slope is gentle to moderate; soil depth is shallow and soil texture clay. Heavy tools (Bulldozer) to Simple hand tools are traditional used. Bulldozers are used during chacodam excavation and bush clearing by well-off herder will small hand tools such as hand hoe, bush knife and spade are used smallholder herders for excavation of water pond and construction of indigenous livestock watering points. Land ownership is Communal/village, individual titled and individual not titled. Water use rights is open access (unorganized), communal (organized). Application of this technology determined by high establishment costs.

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

3.1 该技术的主要目的

• 改良生产
• 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:

Livestock density (if relevant):

> 100 LU /km2

Major land use problems (compiler’s opinion): Major land use problem without conservation includes, overgrazing, soil erosion, siltation of water bodies (Kagera River) and loss of paratable pasture spp.
Major land use problems (land users’ perception): Shortage of pasture and water for livestock

3.3 由于技术的实施，土地使用是否发生了变化？

注释:

Grazing land: Extensive grazing land

3.4 供水

该技术所应用土地的供水:

• 雨养

注释:

Number of growing seasons per year:

2

3.5 该技术所属的SLM组

• 畜牧业和牧场管理

3.6 包含该技术的可持续土地管理措施

注释:

Type of agronomic measures: legume inter-planting, manure / compost / residues
Type of vegetative measures: in blocks

3.7 该技术强调的主要土地退化类型

注释:

Main causes of degradation: overgrazing (Overgrazing due overstocking due to illegal migration on livestock), change in temperature (increased average temperature from 20.9o to 21.5oC in the past 20 years), Heavy / extreme rainfall (intensity/amounts) (decreased average annual rainfall from 1000mm to 870mm in the past 20 years), droughts, land tenure (Lack of village land use plan), inputs and infrastructure: (roads, markets, distribution of water points, other, …)
Secondary causes of degradation: deforestation / removal of natural vegetation (incl. forest fires) (Uncontrolled bush fire set purposely to remove overgrown bushes), disturbance of water cycle (infiltration / runoff), change of seasonal rainfall, population pressure (In migration of people from neighbourig districts and countries), education, access to knowledge and support services

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

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）:

Tanzanian Shilling

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=:

2186.41

4.3 技术建立活动

	活动	时间（季度）
1.	Procurement of 6 Boran/Mpwapwa bulls
2.	Transportation of bulls from Dodoma
3.	Vaccination against East Cost fever (ECF)
4.	Fencing	Procument Barbed wire
5.	Excavation of water chaco dam	During the dry season
6.	Fence construction	During the dry season
7.	Construction of livestock market
8.	Land preparation	Eary June to september
9.	Manure application	Mid september to early november
10.	Planting	Early octobar

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	810.93	810.93
设备	tools	ha	1.0	34.0	34.0
植物材料	seeds	ha	1.0	1204.0	1204.0
肥料和杀菌剂	compost/manure	ha	1.0	274.42	274.42	20.0
施工材料	Chacodam Excavation	ha	1.0	16007.0	16007.0	20.0
施工材料	Const livestock makert	ha	1.0	12577.0	12577.0	20.0
其它	Procument of 6 bulls	ha	1.0	548.84	548.84	20.0
其它	Vaccination	ha	1.0	54.88	54.88
其它	Fencing	ha	1.0	1957.7	1957.7
技术建立所需总成本					33468.77
技术建立总成本，美元					15.31

注释:

Duration of establishment phase: 36 month(s)

4.5 维护/经常性活动

	活动	时间/频率
1.	Repair of the fence	Once per year
2.	Weeding and bush thinning	0nce per year
3.	Construction of fire break	Once per year
4.	Harvesting pasture seeds	Once per year

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	205.34	205.34	20.0
设备	tools	ha	1.0	34.0	34.0
技术维护所需总成本					239.34
技术维护总成本，美元					0.11

注释:

Machinery/ tools: Hand hoe, bush knife, Bulldozer, handhooe, spade, truck, Hand hoe, hamer, nails, woods

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:

Excavation of chacodam, fencing and procurement of breeding bulls

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
Population density: 10-50 persons/km2
5% of the land users are very rich and own 50% of the land.
35% of the land users are rich and own 25% of the land.
55% of the land users are average wealthy and own 10% of the land.

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:

• 社区/村庄
• 个人，未命名

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

水资源可用性和质量

收入和成本

社会文化影响

生态影响

水循环/径流

土壤

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）

气候有关的极端情况（灾害）

气象灾害

	该技术是如何应对的？
局地风暴	好

气候灾害

	该技术是如何应对的？
干旱	好

注释:

Construction of chaco dam for water harvesting during the wet season to be used during the dry season, planting drought tolerant pasture sp

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

注释:

50 land user families have adopted the Technology without any external material support
There is a strong trend towards 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
Increased livestock production(Milk and Meat)
Increased farm income

编制者或其他关键资源人员认为的长处/优势/机会
Increased water availability for livestock and domestic use
Increased pasture availability for livestock
Increased conservation knowledge
Increased livestock production and productivity

6.8 技术的弱点/缺点/风险及其克服方法

编制者或其他关键资源人员认为的弱点/缺点/风险	如何克服它们？
High fire risk	Strengthener fire control bylaw, control burning and use of fire break

7.1 信息的方法/来源