Applying ecosystem-based disaster risk reduction (Eco-DRR) in Integrated Water Resource Management (IWRM) in the Lukaya Basin, DRC

UNEP
Publié: 29 octobre 2017
Dernière modification: 27 mars 2019
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Résumé

The project targeted disaster and climate risk reduction as an integral part of an Integrated Water Resource Management (IWRM) process conjunctly taking place in DRC. Pilot ecosystem-based measures aimed to reduce soil/gulley erosion and flood risk in two sites (upstream and downstream) in the Lukaya Basin, while improving livelihoods and income. Capacity was developed locally and nationally on ecosystem-based measures and national advocacy on EbA/Eco-DRR was supported through IWRM. 

 

The project took an Eco-DRR approach addressing hazards and vulnerability to reduce disaster risk. However, the project activities also addressed climate change adaptation through working with climate change impacts and people's vulnerability to change through the ecosystem-based measures involved in IWRM. Thus these measures can be seen as both Eco-DRR and EbA, while the implementation framework was Eco-DRR.

Classifications

Région
Afrique occidentale et centrale
Échelle de la mise en œuvre
Local
Ecosystème
Agroforesterie
Forêt de conifères tropicaux
Forêt de feuillus tropicaux
Rivière, ruisseau
Écosystème agricole
Écosystèmes d'eau douce
Écosystèmes forestiers
Thème
Adaptation au changement climatique
Fragmentation et la dégradtion de l'habitat
Gestion des bassins versants
Gestion des ressources forestières
Moyens d'existence durables
Prévention de l'érosion
Réduction des risques de catastrophes
Challenges
Inondations
Dégradation des terres et des forêts
Érosion
Manque de sensibilisation du public et des décideurs
Objectifs de Développement Durable
ODD 1 - Pas de pauvreté
ODD 3 - Bonne santé et bien-être
ODD 6 - Eau propre et assainissement
ODD 11 - Villes et communautés durables
ODD 12 - Consommation et production responsables
ODD 13 - Mesures relatives à la lutte contre les changements climatiques
Obectifs d'Aichi
Objectif 4: Production et consommation durables
Objectif 5: Perte d'habitat réduite de moitié ou diminuée
Objectif 7: Agriculture, aquaculture et sylviculture durable
Cadre d'action de Sendai
1: Réduire nettement, au niveau mondial, d’ici à 2030, la mortalité due aux catastrophes.
2: Réduire nettement, d’ici à 2030, le nombre de personnes touchées par des catastrophes.
3: Réduire, d’ici à 2030, les pertes économiques directes dues aux catastrophes en proportion du produit intérieur brut (PIB).
4: Réduire nettement, d’ici à 2030, la perturbation des services de base et les dommages causés par les catastrophes aux infrastructures essentielles, y compris les établissements de santé ou d’enseignement, notamment en renforçant leur résilience.
5: Augmenter nettement, d’ici à 2020, le nombre de pays dotés de stratégies nationales et locales de réduction des risques de catastrophe.
6: Améliorer nettement, d’ici à 2030, la coopération internationale avec les pays en développement en leur fournissant un appui approprié et continu afin de compléter l’action qu’ils mènent à l’échelle nationale pour mettre en œuvre le présent Cadre.
7: Améliorer nettement, d’ici à 2030, l’accès des populations aux dispositifs d’alerte rapide multirisque et aux informations et évaluations relatives aux risques de catastrophe.

Emplacement

Kinshasa, Democratic Republic of Congo | Nptampa, Kasangulu, Kimwenza, Mafumba

Défis

Water resource management is a challenge in part due to unplanned and uncoordinated land use. Rapid urbanization, slash-and-burn agriculture, quarrying, charcoal production and horticulture have resulted in deforestation and degradation of the land and river water quality. Excessive erosion has created gullies, landslides and increases flood risk, which has become a major problem due to increasing rain, and this also increases sediment pollution in the water.

Bénéficiaires

1,400 inhabitants (Ntampa, Kasangulu, Kimwenza and Mafumba zones of the Lukaya Watershed) out of a total population of 80,000 in the Lukaya River basin.

Comment les blocs constitutifs interagissent-ils entre eux dans la solution?

Mainstreaming Eco-DRR/EbA in the development of an IWRM Action Plan (building block 1) is the underlying goal of the project. Field activities such as agroforestry and reforestation (building block 2) and gully and soil erosion control (building block 3) provide demonstration of ecosystem-based measures and their benefits for inclusion in (building block 1). Capacity building (building block 4) and national advocacy (building block 5) support long-term sustainability of the IWRM and ecosystem-based measures for disaster risk reduction and climate change adaptation.

Les impacts positifs

Soil/gulley erosion was mitigated in the pilot sites, reducing flood risk. Indeed heavy rain in 2015 during implementation in the area did not result in worsening the gullies, showing successful erosion control. Drinking water supply is protected.

 

Communities are more resilient due to increased income and diversification of livelihoods (e.g. bee keeping and fruit tree cultivation). Indeed the community-based agroforestry system over 8 years ensures new harvests of cowpeas and cassava, as well as the sale of charcoal generated from cleared agroforestry fields have augmented incomes of the 20 participating households.

 

Local and national stakeholders are able to focus more efforts on disaster prevention and to address the multiple drivers of ecosystem degradation in the Lukaya basin that contribute to disaster risk. The project resulted in greater national commitment to mainstream Eco-DRR into national development policies, including the development of the National Water Policy.

Histoire

UNEP

Implemented from 2013-2016 in the Lukaya River basin in collaboration with the DRC government, local communities, and academic institutions, and funded by the European Commission, the project strove to protect and rehabilitate one of the main watersheds supplying drinking water to the sprawling capital of Kinshasa. In addition to protecting drinking water supplies, the project’s integrated approach addresses several core development challenges including livelihoods and poverty reduction, food security and disaster risk reduction.

 

The Association of the Users of the Lukaya River Basin (AUBR/L) was the main implementing body in the project, which was first strengthened, supported to gain legal identity and restructured. The AUBR/L was supported to develop an IWRM Action Plan (2016-2018), which provides a roadmap for water resource management in the Lukaya watershed, including ecosystem-based measures.

 

The project implemented a number of ecosystem-based measures in both upstream and downstream areas as pilot demonstrations of ecosystem-based measures for adaptation and disaster risk reduction within the IWRM approach:

 

Upstream: At the source of the river near the village of Ntampa in Kongo Central Province - Activities in this area focused on revegetation through community agroforestry and reforestation to reduce soil erosion and sedimentation in the Lukaya River at the source; establishing hydro-meteorological and river flow monitoring instruments and an Eco-DRR/IWRM information center.

 

Downstream: In Mafumba sub-watershed near Kinshasa which is experiencing high risk of soil erosion and anarchic urbanization - Activities in Mafumba focused on piloting a soil erosion monitoring methodology and gully erosion control through bioengineering (with vetiver); In Kimwenza - Vetiver grass and trees were used to control river bank erosion and establish a green buffer zone at the water treatment plant. The office of AUBR/L’s downstream committee was also established in the compound of the water treatment plant.

 

A number of workshops and trainings were undertaken to increase capacity at the local and national level and field visits and study tours in the country and in the region also took place. All of this enabled and supported the development of the national water policy and enabled the post 2015 national and global policy on DRR.

Contribué par

Marisol Estrella UNEP

Soumise par