Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewedConventional

Sahelian rangeland response to changes in rainfall over two decades in the Gourma region, Mali

Pierre Hiernaux, É. Mougin, Lassiné Diarra, Nogmana Soumaguel, F. Lavenu, Yann Tracol, Mamadou Diawara

Journal of Hydrology · 2008

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Summary

This observational study tracked rangeland vegetation response to rainfall variability across two decades in Mali's Gourma region, a Sahelian pastoral zone prone to climate volatility. The work likely contributes to understanding resilience and adaptive capacity of dryland grazing systems under climatic stress, though the precise mechanisms and transferability to other Sahel regions would depend on the detailed methodology and findings not available in the title alone.

Regional applicability

Whilst this study is set in Mali rather than the United Kingdom, its findings on rangeland sensitivity to rainfall and vegetation dynamics under water constraint may inform UK policy on dryland resilience, desertification risk assessment, and climate adaptation strategies in semi-arid international development contexts. The direct applicability to UK farming systems is limited, though the methods and principles may be relevant to moorland and rough grazing management under climate change.

Key measures

Rainfall patterns, vegetation biomass or normalised difference vegetation index (NDVI), potentially herbage yield or forage production over the 20-year period

Outcomes reported

The study examined how Sahelian rangeland vegetation responded to rainfall fluctuations across two decades in the Gourma region. It likely quantified vegetation metrics (such as biomass or greenness indices) in relation to inter-annual and spatial rainfall patterns.

Theme
Climate & resilience
Subject
Food & farming system resilience
Study type
Research
Study design
Observational cohort
Source type
Peer-reviewed study
Status
Published
Geography
Mali
System type
Pasture-based livestock
DOI
10.1016/j.jhydrol.2008.11.005
Catalogue ID
SNmv1wvw6w-sb0l3b

Topic tags

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