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\section{Introduction}
Several decades of scientic work on understanding the
earth's climate
systems system has led to increasing certainty that changes in the climate
systems system are influenced by human activity. As the 5th Assessment Report of the IPCC notes, there is
95 percent 95\% confidence that the increase in global surface temperature is caused by the anthropogenic increase in greenhouse gas concentrations \cite{stocker2013climate}. As a result, more extreme weather occurrences such as heavy precipitation and extreme droughts have been predicted for
many regions for the
future. upcoming decades. Coping with
these changing changes in weather patterns requires mitigation measures to reduce future GHG emissions along with adaptation measures, particlarly in those regions that will be severely affected by future weather extremes.
However, large differences within the regions have to be acknowledged and dealt with. In most of the developed Annex I
countries countries, a well-functioning
governance system
of institutions and organisations is
in place to invest in providing the financial sources and institutional stability for large-scale
investments in adaptation and mitigation measures within their national territories. In many developing countries, however, governance and institutions are poorly developed, resulting in a lack of financial investments to cope with
a changing climate. climate change. Under these circumstances affordable measures are required to be taken by citizens themselves on a local scale to avoid adverse effects on
their the individual
lives. lives of people.
An important
example to study field for investigating climate change adaptation measures are smallholder farming practices
in Africa. on the African continent. In many parts of West and Southern Africa, smallholder farmers cultivate >70\% of the arable and permanent cropland and are responsible for a very high
propertion proportion of food and
cash crop production \cite{Morton_2007}. Given these circumstances, decreases in precipitation and
the worsening of droughts that have been predicted for large parts of Africa
this highlights highlight the importance for
sufficient effective adaptation measures.
This Without these measures, severe effects on food production are to be expected. For instance, it can shorten the crop growing period in an area, lead to a reduction in yield and can thus greatly endanger the livelihood of local farmers, and the lives of people in areas that already suffer from food scarcity and who are to a great extent dependent on local food supply \cite{Waha_2013}.
In this paper adaptation measures will be examined that can be applied by smallholder farmers in order to
protect their increase crops
resilience against climate change.
Thereby In doing so we aim at
responding taking reference to the following research question: What
kind of adaptation measures can smallholder farmers in Africa implement to cope with climate change?
We procceed as follows. First,
we perform based on a literature review
on we synthesise the predicted
(modelled) impacts for African regions due to climate change. Second, an overview of possible adaptation measures will be
given to finally result in given. Finally an
implementation advice, advice is given on implementation, taking into account regional differences within the African continent.