Desire for Greener Land

Human Environment
Mixed land per household
(ha)
10,000
Implementation activities, inputs and costs
Establishment activities
1. Diversion channel
2. Plantation
3. Spillway construction
4. Terracing
Land user: individual and common small-scale land
users, mainly men
Population density: 10-50 persons/km 2
Annual population growth: 0.5% - 1%
Land ownership: individual, titled
Land use rights: individual
Water use rights: individual
Relative level of wealth: average, which
represents 70% of land users; 75% of the total land
area is owned by average land users
Importance of off-farm income: > 50% of all
income:
Access to service and infrastructure: low:
financial services; moderate: health, technical
assistance, employment, market, energy, roads and
transport, drinking water and sanitation; high:
education
Market orientation: mixed (subsistence and
commercial)
Technical drawing
Tabia with natural water collection area (upper) and
tabia on an expanded system with additional flood
water diversions (lower). (Adapted from Alaya et al.
1993)
Found in flatter areas, tabia can accommodate more
trees on the terrace especially when it can receive
additional water from floods.
Establishment inputs and costs per per medium-sized Tabia
Inputs Costs (US$) % met by
land user
Labour
500
Other 170
TOTAL 670 100*
Maintenance/recurrent activities Maintenance/recurrent inputs and costs per per medium-sized
Tabia
1. Dyke and spillway maintenance
2. Reconstruction
Inputs Costs (US$) % met by
land user
Labour
150
Other 50
TOTAL 200 100*
Remarks:
Labour is the most determining factor affecting the costs. The local wage rate is 10 US$/day.
* The technology establishment and maintenance costs met by the land users are 100% if executed on a private basis, but it can range
from 10 to 50% when the site is part of a publicly-funded programme.
SLM Technology: Tabia, Tunisia DESIRE – WOCAT 2012
115