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SIG Sahel – ACF
SIG Sahel – ACF

Monitoring and Early Warning System in the Sahel

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SIG Sahel – ACF
SIG Sahel – ACF

Monitoring and Early Warning System in the Sahel

Category: Remote sensing

Biomass

Biomass production analysis report for Mali in 2025

30/10/202530/10/2025
  • Biomass production is generally above average for the country
  • A very significant deficit in biomass production has been observed in the northern part of the regions of Timbuktu, Gao, Ménaka and Kidal, suggesting an early lean season for livestock farming.
  • Normal to excess biomass production observed in the southern part of the northern, central and western regions of the country
  • Expansion of terrorist activities in the south and west of the country is severely disrupting the movement of people and goods.

Download the report here

Data viewable here

Data downloadable here

Biomass

Biomass production analysis report for Mauritania in 2025

29/10/202529/10/2025
  • Normal to above-average rainfall with extreme flooding of the Senegal River
  • Overall positive biomass production in Mauritania
  • Development of Rift Valley fever (RVF) in several provinces of the country
  • Existence of some pockets of biomass production with deficits in the wilayas of Hodh Ech Chargui, Brakna, Trarza and Assaba
  • Risks of an early lean season in the Hodh Ech Chargui province due to resource pressure
  • Disruption of transhumance routes to Mali due to security conditions

Download the report here

Data viewable here

Data downloadable here

Biomass

Rapport d’analyse de production de biomasse en 2025 sur le nord de la Côte d’Ivoire

27/10/202529/10/2025
  • Biomass production in northern Côte d’Ivoire is equal to or above average, with some areas experiencing annual biomass production almost equivalent to the maximum production levels recorded over the past 25 years.
  • Overall vulnerability index ranging from neutral to positive across all departments in northern Ivory Coast
  • The security situation in the Sahel is leading to continuous flows of transhumant herders from Burkina Faso and Mali towards the main refugee reception areas in northern Ivory Coast (Bounkani and Tchologo), and is intensifying in other regions (Bagoué and Folon).

Download the report here

Data viewable here

Data downloadable here

Biomass

Sahelian biomass production analysis bulletin at rainy mid-season 2025

26/09/2025
  • Early to normal start of the rainy season in the Sahel; late onset in coastal countries
  • Above-average biomass production across the Sahelian belt
  • Low to very low biomass production in southwestern Mauritania, western Senegal, and the northern edge of the Sahelian belt
  • Weak biomass production in coastal countries, more pronounced in Nigeria
  • River flows above average, causing flooding
  • Favorable end of the rainy season expected across the Sahel
  • Potential vulnerability for herders in areas with low to very low biomass production

Report downloadable here

Publications

Bi-monthly Pastoral Surveillance bulletin in the Sahel April-May 2025

25/07/202512/11/2025

Download the bulletin here

Biomass

Biomass production analysis report in 2024 in northern Côte d’Ivoire

06/12/202406/12/2024
  • Rainy season generally poor in the northern regions, marked by a late start and early end of the rains and some extreme rains leading to flooding in certain localities
  • Biomass production well below normal in northern Côte d’Ivoire, with the lowest annual production recorded in 25 years in some places
  • Deterioration of the security situation in the Sahel leading to an increase in the flow of transhumant herders from Burkina Faso and Mali to the main refugee-hosting departments in the north of Côte d’Ivoire

Report downloadable here

Data downloadable here

Biomass

Analysis report on biomass production in 2024 in the Sahel

31/10/202406/12/2024
  • Significant rainfall received, particularly in the Sahel countries
  • Good biomass production in the Sahelian zone of West Africa overall
  • Biomass production significantly above normal in Central Sahel
  • Average to low biomass production on the western coast and coastal countries
  • Low exposure of the region to vulnerability related to biomass
  • Runoff above normal levels, causing significant flooding
  • Security context severely hindering the mobility of herds and access to pastures and water resources in Central Sahel, in addition to mobility restrictions towards coastal countries, particularly Benin and Togo
  • Significant movements of displaced populations with livestock in several areas of the region

Report downloadable here

Data downloadable here

Biomass

Biomass production analysis report for 2024 in the Sahel

31/10/202406/12/2024
  • Heavy rainfall received particularly in the Sahel countries
  • Good biomass production in the Sahel region of West Africa overall
  • Biomass production much higher than normal in the Central Sahel
  • Average to low biomass production on the western coast and in coastal countries
  • Low exposure of the region to biomass-related vulnerability
  • Higher than normal flows causing significant flooding  
  • Security context severely hampering the mobility of herds and access to pastures and water resources in the Central Sahel, in addition to restrictions on mobility towards coastal countries, particularly towards Benin and Togo
  • Significant movements of displaced populations with livestock in several areas of the region

Report downloadable here

Data downloadable here

Biomass

Biomass production analysis report for 2024 in Burkina Faso

31/10/202406/12/2024
  • Positive rainy season
  • Flooding in places
  • Biomass production above the national average
  • Production well above normal in the center and north
  • Average to low biomass production in the south-central and southern regions
  • Difficult security context in pastoral areas, particularly in border areas and transhumance corridors
  • Restrictions on mobility due to the security context
  • Disruption of cross-border transhumance to Benin and Togo

Report downloadable here

Data downloadable here

Biomass

Biomass production analysis report for Senegal in 2024

31/10/202406/12/2024
  • Abnormal rainy season, alternating with above-average rainfall totals and dry spells in Senegal
  • Deficit biomass production across the whole of Senegal, particularly in transhumant transit and reception sites
  • Vulnerability index is neutral over a large part of the country but has improved compared to the previous year
  • Vulnerability index is positive in certain areas of the pastoral regions of the country (Saint Louis and Louga & Matam)

Report downloadable here

Data downloadable here

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Action contre la Faim ACF (2026)