Reconstruction of a Mesolithic camp-site with a hunter in the front ready to fire an arrow
mounted with stone microliths [Credit: Ulco Glimmerveen]
As a result of warming occurring at a rate of ca. 1.5 to 2°C per century, hunter-gatherers in Europe during the Mesolithic era (approximately 11,000-6,000 years ago) experienced significant environmental changes, very similar to the ones we face today: rising sea levels, increased drought, plant and animal migrations and wildfires. Here, Crombé examined microliths, small stone arrowheads/barbs used in hunting, to see how their design and usage by Mesolithic hunter-gatherers shifted in conjunction with climatic and environmental changes.
Building on archaeological research from the last two decades, Crombé used Bayesian modelling to reveal potential correlations between 228 radiocarbon dates specific to Mesolithic sites along the southern North Sea basin and the different types and shapes of microliths (triangles, crescents, leaf-shaped and mistletoe-shaped microliths, trapezes, etc.) found at these sites.