’ And it didn’t look like what they thought, so they assumed something bad had happened, when in fact it was a perfectly smart thing to do. L., Larsen, T., Hunt, T., Lipo, C., Solsvik, R., Wallsgrove, N., … It continues to support the new narrative that we’ve been finding for the past ten years.” You can pick up Diet of the prehistoric population of Rapa Nui (Easter Island, Chile) shows environmental adaptation and resilience as an Open Access paper from the American Journal of Physical Anthropology. The paper concludes: “Our results point to concerted efforts to manipulate agricultural soils, and suggest the prehistoric Rapa Nui population had extensive knowledge of how to overcome poor soil fertility, improve environmental conditions, and create a sustainable food supply.

leibniz laboratory for radiometric dating and isotope research-72

The marine element also means that radiocarbon dates will appear older than reality, as C takes time to transition to the submarine environment.

The δ15N from the crops, however, shows that inhabitants were adapting to the changes in the environment their (and rats) arrival were making to the island.

It’s a powerful story, and it has supporting evidence, such as pollen cores from bogs, which seem to support some burning of the forest.

There’s new research that can test this idea, to an extent by looking at what people ate, through isotope analysis. have published their results in the American Journal of Physical Anthropology and have found something odd.

The research team analysed archaeological material dating from 1400AD to the historic period from the Kon Tiki Museum in Oslo, Norway.

These included some material from excavations lead by the famous Norwegian explorer and anthropologist Thor Heyerdahl in the 1950s and 1980s.

Academia in Kiel is renowned for its focus on marine science.

The university here was one of the first to see the unexplored territory which this field represented and has remained at the forefront of research in this area.

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