Brève description de la meilleure pratique

Ngitiri or enclosure is an indigenous silvopastoral system practised by Sukuma people in Shinyanga region. It involves the conservation of grazing lands supplemented by tree planting; protects the soil, reclaims degraded lands and provides fodder and other woody, non-woody products to communities.|

Site

Shinyanga region.

Si le lieu a des limites clairement définies, spécifier son extension en hectare:

5.0

Estimation de la population vivant sur le site:

2800000.0

Brève description de l’environnement naturel du site

The Eastern part of the region is dominated by heavy black clay soils with areas of red loam and sandy soil. Most of the Shinyanga region is dry flat lowland thus its agro- economic zones are not well pronounced as it is with some regions in the country.
The topography of Shinyanga region is characterized by flat, gently undulating plains covered with low sparse vegetation. The North- Western and North- Eastern parts of the region are covered by natural forests which are mainly miombo woodland. |
Shinyanga region has a tropical type of climate with clearly distinguished rainy and dry seasons. Average temperature for the region is about 280 C. The region experience rainfall of 600mm as minimum and 900 mm as maximum per year. The region has two seasons a year.

Conditions socio-économiques dominantes des personnes vivant sur ou à proximité du site

The population is devided into low to medium Income levels.
Agriculture; Livestock keeping; Petty trade; and Artisanal Mining  
Customary and Lease land rights;
Communal land use rights.

Sur la base de quel critère/indicateur(s) (sans relation avec la stratégie) la pratique proposée et technologie correspondante ont-elles été considérées comme « meilleures »?

i. It has demonstrated effectiveness in reclaiming degraded lands;
ii. It supplies forage/fodder during dry season;
iii. It is used as a source of woodfuels, plant medicines;
iv. It is used as a source of income by selling forage/fodder and fuelwood; and
v. It improves the micro-climate conditions.|

Principaux problèmes abordés par la meilleure pratique

i. Shortage of fodder/forage;
ii. shortage of fuelwood;
iii. Low Income and
iv. Land degradation.

Décrivez les principaux problèmes liés à la dégradation des terres abordés par la meilleure pratique

i. Soil erosion;
ii. Deforestation;
iii. Overgrazing;
iv. Water runoff;
v. Soil infertility and
vi. Adverse micro-climate conditions.

Précisez les objectifs de la meilleure pratique

i. Restoration of degraded lands
ii. Increased supply of fodder/forage
iii. Improved household fuel supply
iv. Improved income levels.

Brève description des principales activités, par objectif

Improved Income levels.
Selling of fodder/forage and fuelwood.
Increased Supply of fodder/forage.
Restricting grazing of the Ngitiri during the rain season.|Using the Ngitiri during the dry season only.
Restoration of degraded lands:-
Identification of degraded lands, suitable for Ngitiri project.
|Restricting the use of identified area|Planting of multipurpose trees.
Improved household fuel supply.
Controlled harvesting of multipurpose and regeneration trees.

Brève description et caractéristiques techniques de la technologie

NA
NA.

Décrivez les impacts sur site (les deux principaux impacts par catégorie)

The selling of woody and non-woody products from Ngitiri leads to improved income levels. In addition the availability of fuelwood in Ngitiri areas contribute to the saving on time used for fuelwood collection.
The restriction on use of Ngitiri and planting of trees leads to the regeneration of natural vegetation that leades to improved biodiversity and supply of woody and non-woody products
Regeneration of vegetation in Ngitiri areas leads to improved vegetation cover which in turn restores degraded lands. As a result of this, soil erosion is reduced and micro climate improved.|

Décrivez les deux principaux impacts hors site (dans les environs)

The improved vegetation cover in Ngitiri can lead to reduced sedimentation of water bodies found in the area due to reduced soil erosion.

Impact sur la biodiversité et le changement climatique

Décrivez:

it impacts on biodiversity due to the regeneration of vegetation cover. The regenerated vegetation cover and planted trees improves the biodiversity of the area.
Increase in carbon stock due to tree planting and regeneration of vegetation which restores both above and ground carbon.

Une analyse coût-avantage a-t-elle été réalisée?

Une analyse coût-avantage a-t-elle été réalisée? :

Oui

Précisez:

At a 10% discount rate, CBA shows a +ve PV. A multiplier effect generated through improvement of security for social services and of Sustainable Land Use Management was observed. The total monthly value of benefits per person is est. at USD 14, surpasing the national av. rate of USD 8.5. |

La technologie a-t-elle été diffusée/introduite sur d’autres sites?

La technologie a-t-elle été diffusée/introduite sur d’autres sites? :

Non

Pouvez-vous identifier les trois principales conditions ayant favorisé la réussite de la meilleure pratique/technologie présentée?

Higly motivated households.
Shinyanga region has a serious shortage of grazing areas during dry season. Ngitiri system was developed by the local communities on their own in order to increase fodder/forage during the dry season. This factor did contribute significantly to the success of the system.

Réplication

Selon vous, la meilleure pratique/technologie proposée peut-elle reproduite, y compris avec un certain degré d’adaptation?

Oui

Si oui, à quel niveau?

• Local
• Sous-national

Liées aux ressources humaines

Ngitiri has shown that when individuals are determined and committed, they can solve their own problems using local solutions.  |

Liées aux aspects financiers

Not every Land degradation problem requires high input of financial resources to overcome it.

Liées aux aspects techniques

TK has a a potential to contribute in solving DLDD related problems.