1.2 Contact details of resource persons and institutions involved in the assessment and documentation of the Technology

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1.3 Conditions regarding the use of data documented through WOCAT

The compiler and key resource person(s) accept the conditions regarding the use of data documented through WOCAT:

Yes

2.1 Short description of the Technology

Definition of the Technology:

Construction of indigenous water pond and a livestock watering trough along an underground water source.

2.2 Detailed description of the Technology

Description:

This technology is used during the dry seasons and where ground water level is high and there is natural water stream flowing from underground water source. Water pond is excavated along the naturally flowing water stream and is recharged by natural ground water. The size of the pond will vary depending on the area available, groundwater table, slope and soil characteristic. Groundwater collection ponds described in this technology on average are 4m long, 3m wide and 1m deep of 12m3 (12 000 liter) capacity and the slope is moderate 5% to 8% and soil characteristics is clay loam with deep soil. Water troughs (Elyato by local name) are constructed adjacent to the water pond to allow livestock to access clean drinking water. The number of troughs per pond is usually 1 to 2. Materials used in construction of water trough include clay, red termite mound soil, grass and wooden poles. The number of ponds needed usually depends on the expected number of animals and are arranged at irregular intervals ranging from 10 to 20 meters apart. The average size of a water trough is 0.14 m3 and can cater for 5 cattle at a time. The Pond is stabilized by naturally growing grass on its banks. Common pond stabilizer species are Leodicatiar digitalia and Hyperrhenia rufa. Management of the natural water source is through preventive village/customary by-laws which prohibit tree and grass cutting around the water source. The dominant indicator tree species normally found are Erythrina abysinica, Ficus thorgii and Phoenix recrinata. The animal watering troughs are usually used in the dry period. Before watering the troughs are coated (smeared) with red termite mound soil (normally hand carried by herders) to provide a good taste which is attractive to animals. Water is transferred from the pond to the water trough manually using cans or buckets. Animals drink directly from the troughs. This water from the trough is rich in iron (Fe) from red termite mound soil. The troughs are constructed with outlets used to spill out water immediately after drinking in order to prevent their damage through excessive water saturation.

Purpose of the Technology: This technology is preferred by livestock keepers as it provides for animals to drink clean and mineralized water and for health improvement. User fee payed to land owners also enable them to expand and diversify there income sources.

Establishment / maintenance activities and inputs: Establishment: Land clearing, excavation and shaping of water pond and construction of animal watering trough.
Maintenance: repair of water pond and water trough (de-siltation, grass slashing and gap refilling).
Inputs: labour, implements (machete, spade, hand hoe, sickle), clay, red termite mound soil, wooden poles, buckets, grass and tying rope. Average establishment cost for one pond and its water trough is 41.27 American dollars. Average annual maintenance and recurrent costs (filling and emptying of water trough) for one pond and its water trough stands at 458.76 dollars and labour is a core cost determinant factor.

Natural / human environment: Natural environment: Extensive grazing land. The technology is largely structural (excavation and shaping of water ponds and construction of water troughs) supported by the use of by-laws which prohibit destruction of the protective natural and indicative trees and grasses around. The technology is common in sub-humid climatic zone.
Social economic environment: Level of mechanization is handy tools with subsistence production systems on individual fields.

2.3 Photos of the Technology

2.5 Country/ region/ locations where the Technology has been applied and which are covered by this assessment

2.6 Date of implementation

If precise year is not known, indicate approximate date:

• more than 50 years ago (traditional)

2.7 Introduction of the Technology

Specify how the Technology was introduced:

• as part of a traditional system (> 50 years)

Comments (type of project, etc.):

the technology has been in use for about 80 years ago

3.2 Current land use type(s) where the Technology is applied

Land use mixed within the same land unit:

Yes

Specify mixed land use (crops/ grazing/ trees):

• Agro-pastoralism (incl. integrated crop-livestock)

Comments:

Livestock density (if relevant):

10-25 LU /km2

Major land use problems (compiler’s opinion): Eutrophication, siltation, water shortage, deforestation and wildfire outbreaks

Major land use problems (land users’ perception): Drying of the underground water source.
Constraints of mines and extractive industries
Constraints of settlement / urban
Constraints of infrastructure network (roads, railways, pipe lines, power lines)
Constraints of wastelands / deserts / glaciers / swamps
Constraints of recreation

3.4 Water supply

Water supply for the land on which the Technology is applied:

• rainfed

3.6 SLM measures comprising the Technology

Comments:

Specification of other structural measures: water collection pond and animal watering trough
Specification of other management measures: protect water source enclosure by naturally regenerating vegetation

3.7 Main types of land degradation addressed by the Technology

Comments:

Main causes of degradation: deforestation / removal of natural vegetation (incl. forest fires) (cutting of natural tree and removal of grass along the natural water flow way), overgrazing (Compaction by trampling animals, rainfall runoff, siltation of water collection point and disapearence of vegatative cover.), discharges (point contamination of water) (spoilage and contamination of surface water by human and livestock feaces.), population pressure (Overstocking due to increase in the number of livestock), poverty / wealth (low capacity to invest in enviromental friendly energy sources), inputs and infrastructure: (roads, markets, distribution of water points, other, …) (Unavailable improved and reliable water ponds and animal watering troughs), education, access to knowledge and support services (limited knowledge on sustainable use of natural water sources), governance / institutional (limited enforcement of existing environmental regulatory systems.)

Secondary causes of degradation: soil management (excavation and layout that contradict the natural environment), crop management (annual, perennial, tree/shrub), over-exploitation of vegetation for domestic use (fire wood collection from the natural water source), industrial activities and mining, urbanisation and infrastructure development, release of airborne pollutants (urban/industry…), disturbance of water cycle (infiltration / runoff), over abstraction / excessive withdrawal of water (for irrigation, industry, etc.), other human induced causes (specify), change in temperature, change of seasonal rainfall, Heavy / extreme rainfall (intensity/amounts), wind storms / dust storms, floods, droughts, other natural causes (avalanches, volcanic eruptions, mud flows, highly susceptible natural resources, extreme topography, etc.) specify, land tenure, labour availability, war and conflicts

3.8 Prevention, reduction, or restoration of land degradation

Specify the goal of the Technology with regard to land degradation:

• prevent land degradation
• restore/ rehabilitate severely degraded land

4.1 Technical drawing of the Technology

4.2 General information regarding the calculation of inputs and costs

other/ national currency (specify):

Tanzanian shillings

If relevant, indicate exchange rate from USD to local currency (e.g. 1 USD = 79.9 Brazilian Real): 1 USD =:

1600.0

4.3 Establishment activities

	Activity	Timing (season)
1.	Land preparation for pond excavation	During dry season
2.	Construction of pond	During dry period
3.	Construction of water trough	During dry season

4.4 Costs and inputs needed for establishment

	Specify input	Unit	Quantity	Costs per Unit	Total costs per input	% of costs borne by land users
Labour	Land preparation for pond excavation	person/day	1.0	1.25	1.25	100.0
Labour	Construction of pond	person/day	1.0	21.88	21.88	100.0
Labour	Construction of water trough	person/day	1.0	3.13	3.13	100.0
Equipment	Tools	piece	1.0	3.13	3.13	100.0
Equipment	Tools	piece	3.0	9.38	28.14	100.0
Construction material	Wood	pieces	2.0	1.25	2.5	100.0
Construction material	Earth	kg	20.0	1.25	25.0	100.0
Total costs for establishment of the Technology					85.03
Total costs for establishment of the Technology in USD					0.05

Comments:

Duration of establishment phase: 1 month(s)

4.5 Maintenance/ recurrent activities

	Activity	Timing/ frequency
1.	Desiltation	During dry season
2.	Wall and bank strengthening and repair (reshaping and grass slashing/gap filling)	During dry season
3.	Water trough repairing	dry season
4.	Filling to and emptying water from water trough and collection and application of red termite mound soil.

4.6 Costs and inputs needed for maintenance/ recurrent activities (per year)

	Specify input	Unit	Quantity	Costs per Unit	Total costs per input	% of costs borne by land users
Labour	Desiltation	person days	5.0	6.25	31.25	100.0
Labour	Wall and bank strengthening and repair (reshaping and grass slashing/gap filling)	person days	5.0	6.25	31.25	100.0
Labour	Water trough repairing	person days	8.0	10.0	80.0	100.0
Labour	Filling to and emptying water from water trough and collection and application of red termite mound soil.	person days	450.0	1.25	562.5	100.0
Equipment	Tools	pieces	2.0	5.0	10.0	100.0
Equipment	Water can	pieces	2.0	1.88	3.76	100.0
Construction material	Wood	pieces	6.0	3.75	22.5	100.0
Construction material	Earth	kg	60.0	3.75	225.0	100.0
Total costs for maintenance of the Technology					966.26
Total costs for maintenance of the Technology in USD					0.6

Comments:

The cost is calculated per one water pond and its one trough and as per 28 August 2012

4.7 Most important factors affecting the costs

Describe the most determinate factors affecting the costs:

Labour is the most determinant factor affecting the costs

5.1 Climate

5.2 Topography

5.3 Soils

5.4 Water availability and quality

5.6 Characteristics of land users applying the Technology

Indicate other relevant characteristics of the land users:

Difference in the involvement of women and men: little involvement of women because at large/traditionally livestock rearing is done by men.

Population density: 50-100 persons/km2

Annual population growth: 2% - 3%

5% of the land users are rich and own 5% of the land.
10% of the land users are average wealthy and own 35% of the land (the techology is used by rich and average livestock keepers who have the animal).
75% of the land users are poor and own 40% of the land (the village poors usually do not have the animals though most of them are cattle herders).
10% of the land users are poor and own 20% of the land.

5.7 Average area of land used by land users applying the Technology

5.8 Land ownership, land use rights, and water use rights

Land ownership:

• communal/ village
• individual, not titled

Land use rights:

• individual

Water use rights:

• communal (organized)
• individual

5.9 Access to services and infrastructure

6.1 On-site impacts the Technology has shown

Socio-economic impacts

Production

Water availability and quality

Income and costs

Socio-cultural impacts

Ecological impacts

Water cycle/ runoff

Soil

Biodiversity: vegetation, animals

Climate and disaster risk reduction

6.2 Off-site impacts the Technology has shown

6.3 Exposure and sensitivity of the Technology to gradual climate change and climate-related extremes/ disasters (as perceived by land users)

Gradual climate change

Gradual climate change

	Season	increase or decrease	How does the Technology cope with it?
annual temperature		increase	well

Climate-related extremes (disasters)

Meteorological disasters

	How does the Technology cope with it?
local rainstorm	not well
local windstorm	well

Climatological disasters

	How does the Technology cope with it?
drought	well

Hydrological disasters

	How does the Technology cope with it?
general (river) flood	not well

Other climate-related consequences

Other climate-related consequences

	How does the Technology cope with it?
reduced growing period	not known

Comments:

Improving structure on the pond (use impermeable materials to prevent seepage, use concrete as a building material)

6.4 Cost-benefit analysis

How do the benefits compare with the establishment costs (from land users’ perspective)?

How do the benefits compare with the maintenance/ recurrent costs (from land users' perspective)?

Comments:

The technology requires low establishment and maintenance cost and benefit surpass the costs.

6.5 Adoption of the Technology

Of all those who have adopted the Technology, how many did so spontaneously, i.e. without receiving any material incentives/ payments?

• 11-50%

Comments:

12% of land user families have adopted the Technology without any external material support

250 land user families have adopted the Technology without any external material support
All livestock keepers use the technology to water their animals voluntary and through self mobilization.
There is a moderate trend towards spontaneous adoption of the Technology
The technology is cheap and requires low investment costs.

6.7 Strengths/ advantages/ opportunities of the Technology

Strengths/ advantages/ opportunities in the land user’s view
Income generation due to water use fee. How can they be sustained / enhanced? improve service to water users. .

Strengths/ advantages/ opportunities in the compiler’s or other key resource person’s view
Reduce conflict between livestock keepers and domestic water users. How can they be sustained / enhanced? Bylaws reinforcement, Area enclosure and Demarcation
Improve accessibility of water to animals (improved animal water intake) How can they be sustained / enhanced? sensitization on regular maintenance.

6.8 Weaknesses/ disadvantages/ risks of the Technology and ways of overcoming them

Weaknesses/ disadvantages/ risks in the land user’s view	How can they be overcome?
Not durable and requires frequent and regular maintenance	Sensitize on regular maintenance.

Weaknesses/ disadvantages/ risks in the compiler’s or other key resource person’s view	How can they be overcome?
not durable	Sensitize on regular maintenance.
high labor demand to fill the troughs	Use simple leverage pump

7.1 Methods/ sources of information

7.2 References to available publications

Title, author, year, ISBN:

Kagera TAMP project website

Available from where? Costs?

http://www.fao.org/nr/kagera/en/