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Vienna Yearbook of Population Research 2024Population and climate change
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Verlag der Österreichischen Akademie der Wissenschaften Austrian Academy of Sciences Press
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Tel. +43-1-515 81/DW 3420, Fax +43-1-515 81/DW 3400 https://verlag.oeaw.ac.at, e-mail: verlag@oeaw.ac.at |
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DATUM, UNTERSCHRIFT / DATE, SIGNATURE
BANK AUSTRIA CREDITANSTALT, WIEN (IBAN AT04 1100 0006 2280 0100, BIC BKAUATWW), DEUTSCHE BANK MÜNCHEN (IBAN DE16 7007 0024 0238 8270 00, BIC DEUTDEDBMUC)
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Vienna Yearbook of Population Research 2024, pp. 1-20, 2024/12/09
Population and climate change
Environmental stressors and natural disasters are changing the physical landscapes in many countries worldwide. In this paper, we ask whether and how erosion affects internal and international migration in Bangladesh. Building on prior studies, we use data from 3,600 households in 18 research sites to investigate how erosion in tidal and river channels is related to the risk of making a first internal or international trip, net of extreme weather conditions and other relevant attributes. Findings reveal that the relationship between erosion and the likelihood of making a first domestic or international trip is moderated by livelihood type and landownership. As erosion worsens, the odds ofmaking a first domestic trip rise for non-agricultural non-landowning household heads and decline for landowners working in agriculture. Estimated lifetime probabilities of making a first
domestic trip are higher than those of making a first international trip, with non-agricultural non-landowners having the highest probabilities and agricultural landowners having the lowest. Together, the evidence suggests that shifts in physical landscapes, especially erosion, are tightly linked to out-migration through ties to land.
Keywords: Migration ; Erosion ; International migration ; Internal migration ; Bangladesh ; River channels