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The Effects of Drought on Crop Yields and Yield Variability in Sahel [PDF]

open access: yes
Drought is widespread in Sahel, and its persistent occurrence has caused substantial damages to the agricultural sector. The severity of drought and the related damages to the agricultural sector are expected to increase due to global warming.
Boubacar, Inoussa
core   +1 more source

The 2008 rice crisis: shock and new challenges [PDF]

open access: yes, 2011
West Africa currently imports 5.2 million tonnes of rice, compared with 1.7 million tonnes in the early 1990s, and is only able to cover 60% of its needs despite possessing considerable rice-growing potential.
CILSS - MLI   +4 more
core  

Modelling monsoons: understanding and predicting current and future behaviour [PDF]

open access: yes, 2011
The global monsoon system is so varied and complex that understanding and predicting its diverse behaviour remains a challenge that will occupy modellers for many years to come.
Giannini, Alessandra   +6 more
core   +1 more source

Intricacies of French engagement in Sahel with peace prospects

open access: yesSocial Development & Security
The Sahel region faces an extreme human security crisis with complex security challenges rooted in historical, ethnic, and geopolitical ties. Decades of armed violence and unstable socio-political systems have led to deteriorating security conditions ...
Shubhdayini Rajyalaxmi Jandev
doaj   +1 more source

Organic food and farming in West Africa: A systematic review

open access: yesLandbauforschung, 2021
Organic agriculture can play a pivotal role in addressing different challenges (e.g. poverty, biodiversity loss, climate change). However, organic agriculture is ‘knowledge intensive’ and its development requires investments in research and innovation ...
El Bilali, Hamid
doaj   +1 more source

Sahara or Sahel? The fuzzy geography of terrorism in West Africa [PDF]

open access: yes
Since the mid-2000s, terrorism has pushed the peripheries of West Africa into the news and the public eye. While the political implications of this phenomenon have been extensively documented, most commentators have adopted a zonal approach to terrorism ...
RETAILLE Denis, WALTHER Olivier
core   +1 more source

The EU as a security actor in Africa [PDF]

open access: yes, 2015
Instability and conflict in Africa create a range of security problems for Europe. Rapidly increasing migration via the Mediterranean Sea, extremism and terrorism, as well as cross-border crime, all have implications for security in Europe, but are spill-
Hoebeke, Hans   +3 more
core  

Analysis of the sensitivity to discrete dividends : A new approach for pricing vanillas [PDF]

open access: yes
The incorporation of a dividend yield in the classical option pricing model of Black- Scholes results in a minor modification of the Black-Scholes formula, since the lognormal dynamic of the underlying asset is preserved. However, market makers prefer to
Arnaud Gocsei, Fouad Sahel
core  

http://sahel.info: An online hybrid forum and a probe for public interests and opinions [PDF]

open access: yes, 2004
Nous introduisons les concepts de forums hybrides (ou socio-technique), et décrivons la philosophie sous jacente et la mise en oeuvre d'une des composantes, c.a.d. une plateforme internet pour le partage de connaissances avec la société civile.
Leclerc, Grégoire
core  

Premenstrual sub-occlusive episodes as initial presentation of metastatic breast cancer: a case report of a previously undescribed entity

open access: yesDiscover Oncology
Across the globe, breast cancer remains the most common malignancy in women. Although novel therapies introduced during the last years have helped reducing its mortality, nevertheless it remains a major public health problem associated with considerable ...
Wassim Hamadeh   +5 more
doaj   +1 more source

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