The world’s climate is changing rapidly and Africa will be severely affected by this, not only because of the effects on ecosystems but also because of the low adaptive capacity of communities due to poverty and lack of infrastructure, services, and appropriate policies to support adaptation strategies.
This special issue has presented some of the specific findings of the RE-Impact Project which was commissioned and funded by the EuropeAid Cooperation Office from 2007 until its conclusion in 2010.
Farmers in the northern avocado cultivation areas of South Africa were interviewed concerning their experience and perceptions of biological control. Factors affecting their decision to use biological control programmes as a disease control strategy, were also investigated.
A three-year project was funded by the BMZ/GIZ to examine the benefits of integrating aquaculture and small scale irrigation by identifying improved water allocation and management strategies under current and future climate change scenarios. An integrated modeling approach was adopted to analyze the complex issues involved in the decision processes.
Gully erosion is a worldwide matter of concern because of the irreversible losses of fertile land, which often have severe environmental, economic and social consequences.
The knowledge of runoff discharged by a catchment at its outlet is important for water accounting and water allocation to competing uses. Runoff generated by a catchment is important in determining the catchment water balance, estimating pollutant loads, and quantifying sediment yield and delivery ratio.
L’Indice de la faim dans le monde 2013 (GHI), élaboré à partir de données couvrant la période 2008-2012, montre que le niveau de la faim dans le monde s’est amélioré depuis 1990, diminuant d’un tiers.