Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Olivier J. Walther"'
Autor:
Olivier J. Walther, William F.S. Miles
Since the end of the Cold War, the monopoly of legitimate organized force of many African states has been eroded by a mix of rebel groups, violent extremist organizations, and self-defence militias created in response to the rise in organized violenc
Publikováno v:
The Professional Geographer. :1-15
Autor:
Valerie C Valerio, Olivier J Walther, Marjatta Eilittä, Brahima Cissé, Rachata Muneepeerakul, Gregory A Kiker
Publikováno v:
PLoS ONE, Vol 15, Iss 5, p e0232681 (2020)
In West Africa, long and complex livestock value chains connect producers mostly in the Sahel with consumption basins in urban areas and the coast. Regional livestock trade is highly informal and, despite recent efforts to understand animal movement
Externí odkaz:
https://doaj.org/article/105976ad6f4c4c33ae15fa0802838a50
Autor:
Juan D. Rojas, Olivier J. Walther
Publikováno v:
Journal of Latin American Geography. 21:6-33
Autor:
Olivier J. Walther, Anne-Laure Amilhat Szary, Chiara Brambilla, Emmanuel Brunet-Jailly, Martin Klatt, Jussi P. Laine, Inocent Moyo, Paul Nugent, Thomas Ptak, Steven M. Radil
Publikováno v:
Political Geography. :102909
Autor:
Patricia Ehrkamp, Mia M. Bennett, Charis Enns, Kevin Grove, Filippo Menga, Antonis Vradis, Olivier J. Walther
Publikováno v:
Political Geography. 100:102821
Autor:
Olivier J. Walther
Publikováno v:
Notes ouest-africaines.
Cette note propose une analyse factuelle et retrospective des relations entre urbanisation et demographie en Afrique du Nord et de l’Ouest. Elle montre que les pays de la region sont resolument engages dans le processus de transition demographique.
Autor:
Olivier J. Walther
Publikováno v:
West African Papers.
This brief presents a factual and retrospective analysis of the relationships between urbanisation and demography in North Africa and West Africa. It shows that the process of demographic transition is now fully underway in this region. North of the
Autor:
Olivier J. Walther, Denis Retaillé
This chapter examines the geographical meaning of the Sahel and its spatial dynamics. Unlike other approaches that define the Sahel as a bioclimatic zone or as an ungoverned area, it shows that the Sahel is primarily a space of circulation in which u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95bb753743d89b9ec0e4321eeb600a4c
https://doi.org/10.1093/oxfordhb/9780198816959.013.8
https://doi.org/10.1093/oxfordhb/9780198816959.013.8
Publikováno v:
African Border Disorders ISBN: 9781315166483
Walther, O, Leuprecht, C & Skillicorn, D 2018, Networks and spatial patterns of extremist organizations in North and West Africa . in O Walther & W Miles (eds), African Border Disorders : Addressing Transnational Extremist Organizations . Routledge, Routledge Studies in African Politics and International Relations, pp. 60-86 . https://doi.org/10.4324/9781315166483-4
Walther, O, Leuprecht, C & Skillicorn, D 2018, Networks and spatial patterns of extremist organizations in North and West Africa . in O Walther & W Miles (eds), African Border Disorders : Addressing Transnational Extremist Organizations . Routledge, Routledge Studies in African Politics and International Relations, pp. 60-86 . https://doi.org/10.4324/9781315166483-4
Introduction In a recent letter addressed to the President of the Islamic Council of Mali on September 27, 2016, Iyad ag Ghaly, the leader of the jihadist group Ansar Dine, announced that he would unilaterally cease its armed attacks throughout Mali
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75b9ea4ffc242711daa03e7bace88947
https://doi.org/10.4324/9781315166483-5
https://doi.org/10.4324/9781315166483-5