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Institute for
Social-Ecological
Research
ISOE Policy Brief No. 2/2015
Mobility in the West African Sahel is multi-faceted.
Population movements are hard to steer but can be
indirectly regulated. Coherent political strategies
should consider different levels of institutional regu-
lation (from local to international) and the interplay
between different policy domains (e.g., migration,
agriculture, environmental protection). Forward-
looking policies are vital in paving the way for better
legislation and institutions and for avoiding any in-
crease in dynamics that entail adverse social risks.
Seeking to hamper migration is neither an appro -
priate nor a conducive political goal. In the West
African Sahel, migration is deeply rooted in history
and culture. It is part of people’s everyday life and
livelihood strategies, and the majority of people
move voluntarily.
Integrated policies should strengthen the benefits
of migration for sustainable development. Social
networks and translocal relationships between
migrants and their home community can favour the
transfer of remittances, knowledge and skills, and
migrants’ investments in the regions of origin. With
regard to international migration, the EU can play a
pioneering role in the handling of migration by devis-
ing a coherent policy that includes new legal and
safe ways to enter Europe.
In the West African Sahel, migration is predomi-
nantly regional, and most people move from rural to
urban areas within the same country. Development
strategies must therefore consider linkages between
rural and urban development. For example, policy re-
sponses should combine infrastructure development
with the promotion of sustainable land and water
resources management which includes preventing
land degradation and biodiversity loss. In rural areas,
policies must recognise the specific needs of small-
scale farmers, both in arable farming and livestock
breeding, e.g., by providing insurances for the com-
pensation of crop loss and access to fertile land.
Investments in sustainable agriculture are needed,
but also stimuli for employment and job creation in
other economic sectors.
Education is a critical factor for migration and poli-
cies must recognize the right of the young generation
for better opportunities and chances. Considerable
effort is needed to promote and improve formal and
higher education. Investments in education are of
paramount importance for reducing vulnerability
not only to climatic but also to social and economic
stressors.
Findings and recommendations
Debates about climate-induced migratory movements – and their possible links to instability
and conflict – along with the discussion on migration flows across the Mediterranean Sea fre-
quently highlight the West African Sahel as a region of concern. However, findings from re-
cent empirical research on Sahelian regions in Mali and Senegal suggest no evidence for in-
creasing population movements towards Europe as a direct result of environmental stress and
climate change. It is the patterns of migration that are changing and not so much the volume.
A closer look at the social-ecological conditions of migration in the Sahel allows for an alter-
native characterization of the problem dynamics. It reveals a rich and comprehensive picture
of mobility and the importance of climate and environment in this respect, and identifies
starting points for policy options.
Migration in the West African Sahel –
more than a response to climate change
ISOE Policy Brief No. 2/2015: Migration in the West African Sahel – more than a response to climate change 2
Evidence shows that changing and unsteady envi-
ronmental conditions lead to changing migration
patterns in the Sahel region. However, environ-
mental stress is not usually the major factor that
causes people to move. Moreover, climate change
on its own does not directly trigger population
movements; it does, however, produce environ-
mental effects and can exacerbate existing vul-
nerabilities. The West African Sahel is one of the
regions most affected by climate change. Semi-
arid areas such as Linguère in Senegal and Bandi-
agara in Mali (see Fig. 1) have always suffered
from periods of drought and, in part, from land
degradation. Climatic changes and human activi-
ties have contributed to massive changes in the
flora, fauna and soils. Effects of climate change
such as higher temperatures and extremely vari-
able rainfall have contributed to a decreasing di-
versity of woody species and have favoured an
increase in more robust and more drought-resis-
tant species. Some areas register a spread of land
degradation resulting from overgrazing, expan-
sion of agricultural areas and deforestation. Mi-
gration can be one possible societal response to
natural hazards. However, whether it constitutes
an adaptation strategy to mitigate the risks of cli-
mate variability and uncertain agricultural pro-
duction, a livelihood diversification strategy, or
just the search for a better life depends on the
specific social-ecological conditions in each case;
these conditions influence the different actions
and strategies followed by individuals, groups and
societies to deal with changes of their natural en-
vironment.
Migration in response to natural hazards
Figure 1: Location of study areas Linguère in Senegal and Bandiagra in Mali (red rectangles). Cartography: Lukas Drees
Figure 2: Most important income
sources of survey participants.
Source: micle survey 2012
(n = 847, excluding students and
inactive respondents)
0 10 20 30 40 50 60
Farming
Livestock breeding
Business
Handicraft
Unskilled labour
Domestic work
Other
33%
54%
17%
1%
29%
9%
3%
5%
3%
11%
6%
6%
9%
14%
Senegal
Mali
ISOE Policy Brief No. 2/2015: Migration in the West African Sahel – more than a response to climate change 3
Agriculture is the most important economic activ-
ity and source of income in the rural areas. The
majority of villagers and their families are en-
gaged in subsistence and small-scale farming or
livestock breeding. The education level in Bandia-
gara and Linguère is fairly low, with a high per-
centage of individuals having no formal educa-
tion at all. The lower the education level in rural
areas, the more likely it is that agriculture will be
the main source of income. Households that are
highly dependent on agriculture are particularly
vulnerable to rainfall variability and ecosystem
degradation. Insufficient precipitation can directly
compromise the income basis of rural households,
because it affects agricultural production, crop
yields and returns. Under these conditions, migra-
tion can be an adaptation strategy for reducing
the risks of uncertain agricultural returns.
Migration decisions are particularly influenced
by climatic changes and land degradation under
the following conditions:
When people are highly dependent on agricul-
ture and thus on local agro-ecological condi-
tions and rainfall patterns
When opportunities for income diversification
and non-farm activities are rare
If access to social capital and financial capital
(e.g., education or credits) is low
And yet migration is only one of several ways to
minimise risks and compensate for climate vari-
ability. In Bandiagara and Linguère, people adopt
different strategies to cope with the negative ef-
fects of environmental changes such as crop fail-
ures: they might sell cattle, carbon or wild fruits,
take up credits, or practice mutual aid among
neighbours.
Migration as a means of risk reduction
Motives behind the decision to migrate are mani-
fold. They overlap and can change during an in-
dividual’s biography. The objectives behind mi-
gration, such as education, family visits and cu-
riosity, reflect specific socio-cultural characteris-
tics of migration in West Africa. Economic factors
represent the main reasons for moving. Employ-
ment, food security and sustenance are amongst
the most important incentives for migration and
stand in close relation to environ-mental condi-
tions in rural agricultural societies. Shifting rain-
fall patterns and insufficient yields often lead
people to migrate during the dry season. However,
the phenomenon cannot be understood merely as
an immediate response to climatic conditions,
since people also move in times of favourable
rainfall patterns and successful harvests. This in-
dicates that there is no single reason behind the
decision to migrate. Moreover, motives for migra-
tion depend on gender, age, ethnic affiliation and
education level. Data derived from in-depth inter-
views, participant observation and a standardised
survey with more than 900 individuals in Mali
and Senegal confirm the important cultural role
of migration: the great majority have personal ex-
perience of migration and regard it as something
positive. Migration within the countries is preva-
lent, particularly in larger urban areas, while in-
ternational migration to Europe is rare. Temporary
movements, and circular and seasonal migration
are the most dominant temporal migration pat-
terns. Social relations and migrant networks are
important factors for decision-making and the
choice of destination.
Motives for migration are versatile
ISOE Policy Brief No. 2/2015: Migration in the West African Sahel – more than a response to climate change 4
Figure 3: Motives for migration
(multiple answers possible).
Source: micle survey 2012
(Senegal n=388; Mali n=398)
0 10 20 30 40 50 60 70 80
Search for money/ job
Food security
Family reasons
Visit
Education/ vocational training
Buying clothes/dowry
Curiosity/ adventure
Others
58%
71%
29%
6%
18%
10%
16%
6%
12%
10%
4%
5%
4%
16%
31%
12%
Senegal
Mali
People’s mobility in Mali and Senegal in the con-
text of social-ecological transformations depends
on different international, regional and national
policies in the areas of migration, development
and environment. Starting points for political
strategies and regulation require a multi-level
perspective.
At the international level, West African coun-
tries such as Senegal and Mali seek to embed
migration in development strategies, and have
intensified their efforts to cooperate interna-
tionally, mainly with the European Union and
several European countries. For example, ‘mo-
bility partnerships’ involve the granting of in-
creased access to the EU labour market in ex-
change for cooperation on irregular migration.
However, European migration policy is contra-
dictory and fragmented: restrictive and control-
oriented policies aimed at curtailing immigra-
tion to Europe still prevail. Preventive measures
in bi-lateral programmes between Mali and
Senegal and France, Spain and Italy seek to
combat the root causes of migration such as
poverty via policies of ‘co-development’. By
concentrating on employment, investments and
infrastructure, they can use the positive poten-
tial of migration.
At the regional level, different (sub-)regional
initiatives, treaties and regulations are signifi-
cant for the regulation of migration in the West
African Region. The ECOWAS (Economic Com-
munity of West African States) Common Ap-
proach on Migration (similar to Europe) is
among the most advanced examples of free
movement of people. ECOWAS citizens are enti-
tled to enter freely, reside and settle in member
states. Notwithstanding obstacles to implemen-
tation, Malian migrants from Bandiagara, for
example, are formally entitled to move to Ivory
Coast for labour purposes.
At the national level, Poverty Reduction Strategy
Papers (PRSPs) are one key instrument for draw-
ing up national development policy. These mid-
term political strategies refer to different policy
fields relevant for the environment/migration
nexus, such as education policy, the health sec-
tor, rural development policies, and environ-
ment. The Malian and Senegalese PRSPs in par-
ticular mention positive elements of migration
in terms of development and poverty reduction.
Furthermore, they propose rural development
initiatives to address internal migration by bet-
ter integrating young people into social life and
developing the skills required for job-seeking.
Relevant policies – multilevel governance is required
The research project micle
The transdisciplinary research project “Migration, cli-
mate change and environment” (micle) investigated the
relationship between climate change, land degradation
and migration in selected areas of the West African
Sahel. It was funded by the German Federal Ministry of
Education and Research (BMBF) and conducted by the
Institute for Social-Ecological Research in cooperation
with the Institute for Geography at Bayreuth University.
ISOE is one of the leading non-university institutes for sus-
tainability research. For 25 years, the institute has been de-
veloping the scientific foundation for decision making, as
well as future-orientated concepts for policy makers, civil
society and economy on a regional, national, and interna-
tional level. Among the research foci are water, energy, cli-
mate protection, mobility and urban spaces, as well as bio-
diversity and people.
ISOE Policy Briefs are published by ISOE several times a
year to highlight new and practical approaches to sustain-
able development professionals.
The Policy Briefs are available online free of charge at
http://www.isoe.de/en/publications/isoe-policy-briefs/
Credits
Editing: Nicola Schuldt-Baumgart
Design & Layout: Harry Kleespies
Photo credits: © V. van der Land
Comments and questions are welcome. Please contact us at:
ISOE – Institute for Social-Ecological Research
Hamburger Allee 45, 60486 Frankfurt/Main, Germany
Fon: +49(0)69 707 69 19-0
E-mail: info@isoe.de
http://www.isoe.de/en/isoe/
https://twitter.com/isoewikom
ISSN: 2365-1148
ISOE – Institute for Social-Ecological Research
ISOE Policy Brief No. 2/2015: Migration in the West African Sahel – more than a response to climate change 5
References
Hummel, Diana (2015): Climate change, land degradation and
migration in Mali and Senegal – some policy implications.
Migration and Development.
http://dx.doi.org/10.1080/21632324.2015.1022972
van der Land, Victoria/Diana Hummel (2013): Vulnerability and
the role of education in environmentally induced migration in
Mali and Senegal. Ecology and Society 18(4): 14.
http://dx.doi.org/10.5751/ES-05830-180414
Hummel, Diana/Martin Doevenspeck/Cyrus Samimi (eds.)
(2012): Climate Change, Environment and Migration in the
Sahel. Selected Issues with a Focus on Senegal and Mali.
Micle Working Paper No.1. Frankfurt/Main
Citation
Hummel, Diana/Stefan Liehr (2015): Migration in the West
African Sahel – more than a response to climate change. ISOE
Policy Brief No. 2/2015. ISOE – Institute for Social-Ecological Re-
search (ed.). Frankfurt/Main, Germany
Keywords
Mobility, Mali, Senegal, land degradation, social-ecological con-
ditions, policy, multi-level governance
