New study challenges assumption about early European agriculture

A long-held assumption about the early days of agriculture in Europe has been challenged by a new study from Germany's Leibniz-Zentrum für Archäologie (LEIZA). Researchers have found that cold conditions may not be responsible for the centuries-long pause in the spread of farming across south-eastern Europe during prehistory.

The study, which analyzed data from the Greek archaeological site of Franchthi, revealed no evidence of extreme cold at the site. Furthermore, the researchers discovered no statistically significant link between local temperature fluctuations and changes in how people obtained their food.

Farming communities had been slowly expanding into Europe since around 7,000 B.C., originating in the Near East. However, their movement beyond Greece almost came to a standstill for approximately 600 years between about 6,600 and 6,000 B.C.

The resumption of farming expansion was swift, with communities spreading along the Mediterranean coast as far as Portugal within roughly 500 years after the pause.

The researchers behind the study used an innovative approach to gather climate information from the past. They analyzed shells left behind by limpets that were likely eaten by ancient inhabitants of Franchthi, an important archaeological site in Greece's Peloponnese region.

These limpet shells contain a record of environmental conditions, including seasonal temperature extremes, as they grow. The researchers employed a specialized laser-based technique to identify the distinct growth phases on each shell, allowing them to pinpoint specific periods of time.

The team then used oxygen isotope analysis to reconstruct temperature fluctuations during these growth phases. This method provided high-resolution data on seasonal temperatures, offering insights into the climate conditions faced by ancient farmers living in the area.

The reconstructed temperature records from Franchthi offer a unique perspective on past climate events. By combining this information with archaeological evidence of subsistence practices, researchers can better understand how early farmers adapted to changing environmental conditions.

The research team analyzed animal bones found at the same archaeological layers as the temperature reconstructions. These remains provided valuable insights into the types of animals that early farmers used for food and their relative importance in the diet. By correlating these findings with the climate data, the researchers aimed to determine whether temperature fluctuations had a direct impact on people's subsistence practices.

The study revealed no conclusive evidence linking extreme cold conditions to changes in the early farmers' dietary habits or subsistence strategies. In fact, there was no statistically significant relationship between local climate variations and the way people obtained their food during this period. This suggests that short-term temperature fluctuations may not have had a major impact on the early farming communities.

The researchers emphasize that their findings do not imply that climate played no role in human decision-making during prehistory. Instead, they indicate that at Franchthi, at least, cold temperatures were not a significant factor in preventing the spread of farming practices. Other factors, such as social and cultural developments, may have been more influential.

The study's results are not unique to Franchthi but can be applied to other archaeological sites. By replicating their method at different locations, researchers hope to establish whether this pattern is representative or an exception. This will provide valuable insights into the complex interplay between climate and human behavior during prehistoric times.

The team plans to extend their research to other sites in the region, building on the foundation established by this study. By doing so, they aim to shed more light on the relative importance of short-term climate events in shaping human decision-making during prehistory.

Researchers have found that early farmers were not significantly affected by short-term climate fluctuations. This challenges previous assumptions about the impact of climate events on human decision-making during prehistory. The team analyzed subannual climate records from various archaeological sites to determine the relationship between climate instability and Neolithic expansion.

The results suggest that climate instability had a relatively minor influence on early farming communities, allowing them to adapt and thrive despite environmental fluctuations. By shedding more light on this period, scientists hope to better understand human behavior in response to short-term climate events. Ultimately, these findings contribute to a nuanced understanding of the complex interactions between humans and their environment during prehistory.