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Climate, migration, and the local food security context: Introducing Terra Populus

Identifieur interne : 003B97 ( Ncbi/Curation ); précédent : 003B96; suivant : 003B98

Climate, migration, and the local food security context: Introducing Terra Populus

Auteurs : Raphael J. Nawrotzki ; Allison M. Schlak [États-Unis] ; Tracy A. Kugler [États-Unis]

Source :

Population and environment [ 0199-0039 ] ; 2016.

RBID : PMC:5152917

Abstract

Studies investigating the connection between environmental factors and migration are difficult to execute because they require the integration of microdata and spatial information. In this article, we introduce the novel, publically available data extraction system Terra Populus (TerraPop), which was designed to facilitate population-environment studies. We showcase the use of TerraPop by exploring variations in the climate-migration association in Burkina Faso and Senegal based on differences in the local food security context. Food security was approximated using anthropometric indicators of child stunting and wasting derived from Demographic and Health Surveys (DHS) and linked to the TerraPop extract of climate and migration information. We find that an increase in heat waves was associated with a decrease in international migration from Burkina Faso, while excessive precipitation increased international moves from Senegal. Significant interactions reveal that the adverse effects of heat waves and droughts are strongly amplified in highly food insecure Senegalese departments.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5152917

DOI: 10.1007/s11111-016-0260-0
PubMed: 27974863
PubMed Central: 5152917

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Raphael J. Nawrotzki

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<wicri:noCountry code="subfield">U.S.A. Phone: +001 (612) 367-6751</wicri:noCountry>
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<front><div type="abstract" xml:lang="en"><p id="P1">Studies investigating the connection between environmental factors and migration are difficult to execute because they require the integration of microdata and spatial information. In this article, we introduce the novel, publically available data extraction system Terra Populus (TerraPop), which was designed to facilitate population-environment studies. We showcase the use of TerraPop by exploring variations in the climate-migration association in Burkina Faso and Senegal based on differences in the local food security context. Food security was approximated using anthropometric indicators of child stunting and wasting derived from Demographic and Health Surveys (DHS) and linked to the TerraPop extract of climate and migration information. We find that an increase in heat waves was associated with a decrease in international migration from Burkina Faso, while excessive precipitation increased international moves from Senegal. Significant interactions reveal that the adverse effects of heat waves and droughts are strongly amplified in highly food insecure Senegalese departments.</p>
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Climate, migration, and the local food security context: Introducing Terra Populus

Climate, migration, and the local food security context: Introducing Terra Populus

Source :

Abstract

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