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Farming, Food, and Settling Down

Metate fragment (and geological pick) on the surface of Santiago Barbúa.

Farming, Food, and Settling Down

Vocabulary

Metate:

A flat or slightly concave stone on which materials such as grains, tubers, and cocoa are ground using a mano, similar to a mortar and pestle.


Mano:

A smooth hand-held stone that grinds food in a metate through abrasion.


Sedentism:

The practice of living in one place for a long time (in contrast to nomadism).


Starch grain:

Tiny structure made by most plants during photosynthesis, made up of units of glucose sugar.


Domestication:

The process of taking wild animals or plant seeds and intentionally breeding them to promote traits that are advantageous for human consumption, which results in permanent genetic modification.


At least 7000 years ago, Indigenous inhabitants of Panama began to introduce cultivation of three important crops, alongside their continued hunting and gathering: corn (Zea mays), manioc (Manihot esculenta), and arrowroot (Maranta arundinacea). I probably don’t need to tell you about the advantages of growing corn, since we continue to get a lot of our starch from this plant today in the United States. You may know manioc as cassava or yuca, which is very tasty boiled, fried, or fermented into the alcoholic beverage chicha. The boba pearls in bubble tea are also made from this plant! While you may not have heard of arrowroot, it is a starchy root plant like manioc, most commonly ground into flour. At one site that I documented in Darién, called Santiago Barbúa, we found metates (grinding platforms) and manos (pestles) that were used to produce this flour. This work was typically done by women, and analysis of human bones from a neighboring area has shown that because of all the grinding they did, women typically had larger, stronger arm muscles than men! This shows we should be careful about making assumptions about gender roles and anatomical differences between men and women when we study the past.

Corn was first domesticated from a wild plant called teosinte about 9000 years ago in southwestern Mexico and quickly became popular throughout Central and South America. Manioc and arrowroot, by contrast, were first domesticated in northern South America, possibly in what is now Brazil or Ecuador. Panama is the only pre-Hispanic context in Central America where all these domesticates appear, which shows that it was an important location for interactions between Indigenous communities to the north and south. This feature makes its archaeology particularly unique (and sometimes confusing!) and continues to influence contemporary Panamanian food, music, language, and politics.


My colleague analyzed starch grains adhering to ceramic samples that I collected from the site of Santiago Barbúa – still there after 3000 years! – to show that vessels at this site were used to hold not only this domesticated species, but also wild varieties of beans. Yum!

Microscope photos of starch grains from Santiago Barbúa.


Indigenous Panamanians were also some of the first people in the Americas to develop the technology to produce pottery, about 4000 years ago. We found ceramic fragments from Santiago Barbúa that are from this time period – some of the oldest in the hemisphere! You may ask why archaeologists care so much about pots. It’s because they were very important for revolutionizing food storage. This ability to save leftovers from successful harvest seasons, and trade them with others, both locally and far away, also encouraged people to settle in one place rather than moving around – what we call in archaeology the origins of sedentism. Before this time period, people moved from the coast, where they would fish and gather shellfish, to more inland sites, where they would gather plants and hunt terrestrial animals, depending on the season. Being able to store and exchange surpluses (extra food), however, allowed people to more reliably have resources to stay in one place.

This, in turn, led to an increase in agriculture, because it’s much easier to farm if you live near your fields rather than having to travel a long distance to visit them. People still hunted and fished for their protein – unlike today, the Indigenous Panamanians at this time had no farm animals for food or dairy. And they continued to gather plants for a significant amount of their food, medicine, construction material, etc, just like the Emberá and other Indigenous communities do today. However, the introduction of storage vessels meant that people could grow greater quantities of corn, manioc, and arrowroot and not have to worry about it going to waste (and they could save it in case of drought, insect infestations, or other conditions that led to a bad harvest).


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