Report


The Ethiopian highlands are losing many valuable tree and shrub species because of anthropogenic and climatic factors. The coverage of high value indigenous tree and shrub species has declined. The tree species that used to provide quality products and ecosystem services have become limited. As a result, there is increasing use of non-forest/tree products such as dung and crop residues to fill fuel and other household requirements.

This brief, co-produced by the Nile Basin Development Challenge and the Africa RISING research program on sustainable intensification, examines important issues to consider for the advancement of tree planting in the Ethopian highlands: germplasm issues, data and information-related issues, capacity development, working on a holistic and integrated approach, institutional issues and policy-related issues. Yet, trees can be a potential connector/integrator of the crop and livestock components of the farming system in the highlands of Ethiopia.

The brief was developed from the third meeting of the National Platform for Land and Water Managementread the meeting report.

Read the NBDC / Africa RISING brief on tree growing in the highlands of Ethiopia

Sabine Douxchamps, Augustine Ayantunde and Jennie Barron at the sister Volta Basin Development Challenge just published a study of agricultural water management in rainfed crop-livestock systems of the Volta Basin (Burkina Faso and Ghana) that investigates the return of aid investments on water availability, food security and livelihoods.

The authors provide recommendations for research-for-development interventions and new concepts for research on water management:

  • When promoting AWM strategies, projects should carefully study the available information on factors triggering adoption, and play on these to ensure sustainable uptake of the technology.
  • Local capacities and agendas should be better accounted for when promoting AWM strategies or low-cost irrigation technologies.
  • Participatory management of the water infrastructure should be carefully planned through integration of maintenance costs in project budget, capacity building of actors towards assumption of more responsibility, and ways to deal with turnovers within management committees.
  • Farmers’ capacity building is definitely a key asset for enlightened risk management and constant adaptation to new variable conditions.
  • Future research and development projects should concentrate on how to leverage the factors limiting
    adoption and enhancing system productivity while maintaining healthy ecosystem services.
  • There is a need for a system perspective, to improve water-crop-livestock interactions, to develop off-season cultivation options and market access, and to balance distribution of gender benefits.
  • There is a need for a multi-scale, landscape perspective, to understand ecological landscape processes and trade-offs between ecosystem services derived from and affected by AWM strategies adoption across different scales.
  • There is a need for an institutional perspective, to facilitate management of AWM structures and to raise awareness.
  • Finally, there is a need for a long-term perspective, to foresee the best strategies for adaptation to climate change and manage risk in the variable environment of the Volta Basin.

Download the study

Confronting project ideas with farmers’ realities is always an interesting game with sometimes unexpected outcomes. In one recent Nile Basin Development Challenge (NBDC) activity, this reality check has unearthed a potentially promising future for intensification in the Ethiopian highlands via chicken and fruit tree farming.

As part of the NBDC, one of the program teams (in the so called ‘Nile 3′ project on targeting and scaling out water management systems), held field focus groups in four watersheds, namely in Gorosole (Ambo, Oromia), Laku (Shambu, Oromia) Maksenit (Gondar, Amhara) and Zefie (Debre Tabor, Amhara). The focus group discussions, focusing on a participatory mapping exercise, were held separately in each location for women and men.

The objectives of the discussions were to identify the ‘ideal’ landscape management from a community perspective and understand why that ideal landscape has not been implemented. We hoped that the rainwater management practices that the focus groups find most suitable in each watershed would allow us to validate the suitability maps developed by the project team.

Unsurprisingly, soil and water conservation related to small scale irrigation practices was found to be suitable. In some locations, farmers wished they had better access to pumps to intensify these practices.

More surprisingly however, two other major rainwater management practices across all the watersheds were seen as important: Fruit tree cultivation and chicken farming.

In all watersheds, fruit trees scored high in the mapping exercise. In the highlands (Laku, Gorosole and Zefie), farmers put apple trees high on their wishlist. In the warmer Maksenit area, (mostly) women talking of ‘home gardens’, i.e. small papaya orchards combined with pepper production. Fruit trees are a source of hope for most farmers that the project team encountered.

Remarkably, each watershed was at a different level of implementation but it did not affect the results. In Gorosole there are no trees because farmers cannot access seedlings, whereas in Zefie and Maksenit the first farmers are planting trees, however they are yet to yield any fruits. Laku watershed was the only location where farmers do have apple orchards and are facing challenges to bring apples to the market. Given the high price of apples in Ethiopian towns, apples seem a promising business – a pathway to make the value chain work for smallholders?

In two watersheds – Laku and Maksenit – farmers were dreaming of chicken farms (with about 20-30 chickens). In those areas, chicken prices are high. Diversifying their activities to include poultry would allow farmers to de-stock other livestock and decrease the pressure on natural resources. However, this promising track is not without its hazards: In Laku, farmers struggle with their limited knowledge about how to increase the chicken population and move towards chicken farming; in Maksenit the limiting factor is pest management.

Given that chickens often cost less in Ethiopian cities than they do in rural locations, farmers might want to promote and handle poultry farming carefully. The poultry road to intensification is perhaps not as promising as it first looks.

Read a detailed report from the focus group discussions (on the project wiki)

(By Catherine Pfeifer)

Rainwater management practices are often promoted with little regard for the site-specific biophysical characteristics and local socio-economic and institutional environments.

To promote rainwater management more successfully, a paradigm change towards promotion of location-specific interventions is needed. Beyond biophysical suitability, successful implementation crucially depends on farmers’ willingness to adopt a practice.

‘Similarity analysis’ is an approach that presents and matches geospatial and other data so successful interventions in a location can be mapped to other locations with similar biophysical, socio-economic and institutional characteristics within a basin. Mapping similarities and differences can help us identify promising locations for technologies and other interventions to be spilled over for wider impact.

The report ‘Similarity analysis for the Blue Nile Basin in the Ethiopian highlands‘ :

  • Presents the available spatial data for the Blue Nile Basin in the Ethiopian highlands.
  • Develops a methodology that allows identifying locations within a landscape that have similar biophysical, infrastructure, socio-economics, and governance characteristics relevant to rainwater management.

Download the technical report

See a list of other Nile Basin Development Challenge outputs

The so-called ‘Nile 4′ project aims at quantifying the consequences of improved rainwater management, measuring downstream, cross-scale consequences of successful innovation in the Ethiopian highlands.  On 23 May 2012, this project team organized a coordination meeting with the team of another Nile project (‘Targeting and scaling out of rainwater management systems‘, or ‘Nile 3′ project) to integrate targeting, impact assessment and priority setting between the two teams, as the pressure to integrate Nile Basin Development Challenge work streams is mounting.

Rainfall, one of the many factors the Nile Basin Development Challenge teams are interested in (credits: IWMI/Charlotte McAlister)

The coordination meeting gave a good occasion to review progress so far and identify the building blocks that the two project teams should capitalize on. For the year 2011, the N4 project team has been working on a number of important developments that should benefit the wider Nile Basin Development Challenge program and beyond.

The main research highlights for 2011, which will extend into 2012, include:

  • Modifying the open source Soil and Water Assessment Tool (SWAT) to better represent hydrophysical conditions in the Blue Nile Basin (for use at a whole basin and at the catchment scale of the project). The team has done so by incorporating the concept of ‘topographic index’ into the model routine to account for saturation excess flow and landscape run-off processes, more realistically representing how and where run-off and sediment generation occur within the defined catchment.
  • Developing a first version of the Water Evaluation And Planning (WEAP) model to assess water resource optimization in the Blue Nile. Further plans include the coupling of the WEAP and SWAT models and to run a number of climate change scenarios to gauge possible impacts.
  • Developing a new method for acquiring a 30-year weather data set for anywhere in the world. Currently, most African weather data sets do not feature adequate temporal or spatial resolution, length of recording period and reliable quality of data. This endeavour aims at re-dimensioning the existing Climate Forecast System of Reanalysis (CFSR) dataset as a temporal series of grid points to avoid having to download terabytes of data to access a single point. Cornell University is assisting the project team.
  • Applying and adapting the economic benefits-optimization model ‘ECOSAUT’ in the Blue Nile Basin. This model was originally developed by the International Center for Tropical Agriculture (CIAT). The project team also compiled a literature/data source data of economic benefits in Ethiopia (and East Africa) to help scale up this work in the longer run.

The N4 project further documents progress on the overall program wiki and on the CPWF Spatial Analysis and Modelling topic working group wiki.

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