What the study found
The study found that digital Geographic Information Systems (GIS) mapping can visualize changing crop choice over time in nineteenth-century equatorial eastern Africa. The maps show changing agricultural potential and vulnerability to climate variability across the period 1857–76.
Why the authors say this matters
The authors suggest the maps provide a novel way to visualize changing agricultural potential and vulnerability to climate variability over time. They also say the maps help contextualize the growth of commercial and political centers, famine years and seasons with below-average rainfall, and environmental challenges of the early colonial period.
What the researchers tested
The article used digital GIS to map the locations of crops mentioned in early imperial sources. Contemporary cartographic representations of eastern Africa were used as the base for the maps.
What worked and what didn't
The mapping approach produced visualizations of crop location and change over time. According to the abstract, these maps also placed agricultural change alongside commercial and political growth, famines, and rainfall variability.
What to keep in mind
The available summary does not describe specific limitations or uncertainties. The abstract also does not provide detailed information about source coverage, crop selection criteria, or how complete the historical record was.
Key points
- Digital GIS was used to map crop locations from early imperial sources in eastern Africa.
- The maps visualize changing crop choice across 1857–76.
- The study presents the maps as a novel way to show agricultural potential and climate-related vulnerability.
- The maps contextualize commercial and political centers, famine periods, and below-average rainfall.
- No specific limitations are described in the abstract.
Disclosure
- Research title:
- GIS maps crop change in eastern Africa, 1857–76
- Authors:
- Philip Gooding
- Institutions:
- McGill University
- Publication date:
- 2026-03-31
- OpenAlex record:
- View
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