Technologies

Строительство габионов [Tajikistan]

technologies_1448 - Tajikistan

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Completeness: 49%

1. General information

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. Description of the SLM Technology

2.1 Short description of the Technology

Definition of the Technology:

Предотвращение водной эрозии

2.2 Detailed description of the Technology

Description:

Строительство габионов

Назначение технологии: строительство габионов предназначена для предотвращения и уменьшения развития водной эрозии путём уменьшения скорости селевых потоков воды

Основные действия и вложения: выбрать удобное место, подготовить место для строительство, подготовить стройматериалы.

Природная\социальная обстановка: настоящая технология применяется в поймах реки, горных местности, где проходит селевые потоки воды , которые смывают почву.

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

Country:

Tajikistan

Region/ State/ Province:

Таджикистая

Further specification of location:

Вахдат

Specify the spread of the Technology:
  • evenly spread over an area
If precise area is not known, indicate approximate area covered:
  • < 0.1 km2 (10 ha)

2.6 Date of implementation

If precise year is not known, indicate approximate date:
  • 10-50 years ago

2.7 Introduction of the Technology

Specify how the Technology was introduced:
  • during experiments/ research

3. Classification of the SLM Technology

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

Grazing land

Grazing land

Comments:

Основные проблемы землепользования (по мнению составителя): смывание почвы, образования оврагов.

3.6 SLM measures comprising the Technology

structural measures

structural measures

  • S6: Walls, barriers, palisades, fences
Comments:

Основные мероприятия: инженерные

3.7 Main types of land degradation addressed by the Technology

soil erosion by water

soil erosion by water

  • Wg: gully erosion/ gullying
  • Wc: coastal erosion
Comments:

Основные типы деградации: Во (Wg): овражная эрозия / образование оврага

Второстепенные типы деградации: Вп (Wc): береговая эрозия

Основные причины деградации: сильные / чрезмерные дожди (интенсивность/количество)

3.8 Prevention, reduction, or restoration of land degradation

Specify the goal of the Technology with regard to land degradation:
  • prevent land degradation
  • reduce land degradation
Comments:

Основная цель: предотвращение / сокращение деградации

Второстепенные цели: предупреждение деградации земель

4. Technical specifications, implementation activities, inputs, and costs

4.2 General information regarding the calculation of inputs and costs

other/ national currency (specify):

Сомони

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

4.5

4.4 Costs and inputs needed for establishment

Comments:

Сроки создания: 0 месяцев

4.5 Maintenance/ recurrent activities

Activity Timing/ frequency
1. Строительство габионов лето
2. Стройматериали

4.7 Most important factors affecting the costs

Describe the most determinate factors affecting the costs:

Доставка стройматериалов и строительство.

5. Natural and human environment

5.1 Climate

Annual rainfall
  • < 250 mm
  • 251-500 mm
  • 501-750 mm
  • 751-1,000 mm
  • 1,001-1,500 mm
  • 1,501-2,000 mm
  • 2,001-3,000 mm
  • 3,001-4,000 mm
  • > 4,000 mm
Agro-climatic zone
  • semi-arid

Термический класс климата: умеренный

5.2 Topography

Slopes on average:
  • flat (0-2%)
  • gentle (3-5%)
  • moderate (6-10%)
  • rolling (11-15%)
  • hilly (16-30%)
  • steep (31-60%)
  • very steep (>60%)
Landforms:
  • plateau/plains
  • ridges
  • mountain slopes
  • hill slopes
  • footslopes
  • valley floors
Altitudinal zone:
  • 0-100 m a.s.l.
  • 101-500 m a.s.l.
  • 501-1,000 m a.s.l.
  • 1,001-1,500 m a.s.l.
  • 1,501-2,000 m a.s.l.
  • 2,001-2,500 m a.s.l.
  • 2,501-3,000 m a.s.l.
  • 3,001-4,000 m a.s.l.
  • > 4,000 m a.s.l.

5.3 Soils

Soil depth on average:
  • very shallow (0-20 cm)
  • shallow (21-50 cm)
  • moderately deep (51-80 cm)
  • deep (81-120 cm)
  • very deep (> 120 cm)
Soil texture (topsoil):
  • medium (loamy, silty)
Topsoil organic matter:
  • low (<1%)

5.4 Water availability and quality

Ground water table:

< 5 m

Availability of surface water:

excess

Water quality (untreated):

for agricultural use only (irrigation)

6. Impacts and concluding statements

6.1 On-site impacts the Technology has shown

Socio-economic impacts

Income and costs

expenses on agricultural inputs

increased
decreased

workload

increased
decreased

Socio-cultural impacts

SLM/ land degradation knowledge

reduced
improved

Ecological impacts

Soil

soil loss

increased
decreased

6.2 Off-site impacts the Technology has shown

damage on neighbours' fields

increased
reduced

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 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 well

6.4 Cost-benefit analysis

How do the benefits compare with the establishment costs (from land users’ perspective)?
Long-term returns:

slightly positive

6.7 Strengths/ advantages/ opportunities of the Technology

Strengths/ advantages/ opportunities in the compiler’s or other key resource person’s view
Предотвращение развития водной эрозии, уменьшает рост эрозии

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

Weaknesses/ disadvantages/ risks in the compiler’s or other key resource person’s view How can they be overcome?
Финансовые Кредитование

7. References and links

7.1 Methods/ sources of information

Links and modules

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