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Ancient Maya Solutions to Water and Food Insecurity: Low Technology Lessons for Contemporary Development

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Ancient Maya Solutions to Water and Food Insecurity: Low Technology Lessons for Contemporary Development Ancient Maya solutions to water and food insecurity: Low technology lessons for contemporary development Ezgi Akpinar Ferrand and Vernon L. Scarborough Southern Connecticut State University and University of Cincinnati, United States Discussion Paper 1215 April 2012 The authors argue that the application of scale environmental alterations, but how these ancient Maya water management systems changes affect civilizations is a matter of could support contemporary water security. contentious debate. Beginning with the They show that man-made or natural ponds, known as aguadas, could be a low Neolithic Revolution, we have witnessed technology, sustainable solution for numerous human societies affected, and even communities living in the ancient Maya brought to their knees, by natural and human- landscape today. made environmental change. Civilizations such as the ancient Maya flourished in the The Global Water Forum publishes a series of difficult landscapes of Central America discussion papers to share the insights and knowledge contained within our online articles. The starting from 1000 B.C. until the Terminal articles are contributed by experts in the field and th provide original academic research; unique, Classic in the 10 century A.D. Scholars informed insights and arguments; evaluations of debate their demise, but two environmental water policies and projects; as well as concise overviews and explanations of complex topics. We changes occurred contemporaneously: climate encourage our readers to engage in discussion with our contributing authors through the GWF website. change (prolonged droughts), and soil erosion and sedimentation1,2,3. Warfare also seems to Keywords: Maya; aguada; water security; low technology have increased in the decades before the end solutions; development. of the Terminal Classic, which may or may not have been related to stresses associated with Human civilizations exist over periods of these changes4,5. environmental change and can cause large- Suggested Citation: Akpinar Ferrand, E. 2012, ‘Ancient Maya solutions to water and food insecurity: Low technology lessons for contemporary development’, GWF Discussion Paper 1215, Global Water Forum, Canberra, Australia. Available online at: http://www.globalwaterforum.org/2012/04/23/ancient-maya-solutions-to-water-and-food-insecurity-low-technology-lessons-for- contemporary-development/ Ancient Maya solutions to water and food insecurity Interestingly, the regions in which the ancient developments like the GAP Project in Turkey Maya inhabited by the millions, such as Petén, or the Three Dams Project in China, and the Guatemala, were never again occupied at the complex practices of the “Green Revolution”, same densities after their downfall6,7. After a present a series of environmental and societal century of continuous study, assessments of concerns9,10,11,12. Scientists and governments land-use, food production, water management are now paying close attention to ancient and systems, and environmental change have traditional low technology agricultural and provided a better understanding of the environmentally sound land-use practices13. reasons behind ancient Maya successes and Significantly, the livelihood of two-thirds of failures within this environment—one limited humanity still depends on traditional by thin soils, low availability of surface water agricultural techniques and their local (karst geology), a marked dry/wet climatic agricultural output14. In the least developed regime, and periodic droughts. and developing nations of the subtropics, we observe a dependence on rainfall for water security which also defined the water storage practices of the ancient Maya15. It is our hypothesis that the application of ancient Maya water management systems may present sustainable low technology solutions to increase water and food security among present-day populations living in the same ancient landscape as well as in those nations in comparable geographic areas. One area of interest and great promise in applying ancient Figure 1. Aguadas in Maya Lowlands, Maya water management best-practices Central America. Source: Akpinar Ferrand involves the use of natural and human-made (2011) and Google Earth. ponds, known as aguadas16. At the turn of the 21st century, water and food security issues remain among the most Across a wide swath of the interior Maya pressing concerns globally, not dissimilar to lowlands, the ancient Maya exploited what the ancient Maya experienced a sinkholes and natural depressions. Where millennium ago—if only at a regional scale8. A nature did not provide, the Maya utilized number of today’s prima facie technologically quarried depressions for water retention. The advanced solutions, such as genetically karst nature of the landmass and a highly modified seeds, large-scale water seasonal distribution of rainfall made the Ancient Maya solutions to water and food insecurity capture and storage of rainwater a investigations17. Nymphaea ampla is known necessity. Collectively, thousands of aguadas to grow in clean and still water—as an aguada are found wherever the ancient Maya resided plant it was likely useful in preventing excess in the seasonally parched interior parts of the evaporation and reducing organic peninsula17. Archaeological evidence suggests waste15,20,21. that the ancient civilization spent a considerable amount of effort modifying and Further evidence from aguada investigations maintaining their aguadas16. demonstrate that the ancient Maya increased aguada capacities by building berms and dredging. Over the years, investigations of aguadas have revealed that aguada volumes usually range between 2,500 and 10,000 m3 17. Weiss-Krejci and Sabbas (2002) demonstrate that a small depression with 57m3 capacity could have supported forty-seven people with 4.8 liters daily water per capita using precipitation and evaporation data from Belize 22. If we consider that most aguadas were much bigger in volume, we can begin to imagine the immense water storage capacity Figure 2. Aguada Los Loronos, Petén, of these features for modern populations of Guatemala. Source: Akpinar Ferrand et al. the interior Maya Lowlands currently facing forthcoming. water scarcity. Ancient Maya modified and constructed aguadas utilizing different techniques. Some of these techniques involved lining the aguadas with impermeable clay, stone or plaster lining, building stone-lined wells called buk'te to preserve water (in the deepest part of the aguadas), and constructing silting tanks at their entrances (to filter water)16,18,19. We also know that endemic plant species of Nymphaea ampla's (water lilly) pollen were commonly found in the ancient sediments of aguadas from paleoenvironmental Ancient Maya solutions to water and food insecurity placement of 18 g of tilapia fry in a seasonal shallow water aguada in central Mexico (0.8 fish/m2) with a resultant 450 kg/ha tilapia yield requiring no additional feeding26. The placement of native fish species is recommended for sustainable development purposes based on the unfavorable results of studies analysing the introduction of non- indigenous species to aguadas 28. In conclusion, easy to adopt, low-end Figure 3. Aguada Los Tambos, Petén, technologies, derived from tried and true Guatemala. Source: Akpinar Ferrand et al. solutions of ancient civilizations may prove forthcoming. invaluable beginning points for sustainable development projects in developing nations Lastly, aguadas may prove essential in today. Based on the paleoenvironmental, increasing the food security of the interior archaeological and aquacultural investigations Maya Lowlands. Corroborating aguadas' of aguadas, scholars now know rainwater potential for agriculture is the ancient pollen water collection in aguadas can increase the recovered repeatedly within aguada water and food security of present-day regions sediments, including cultigens that broadcast formerly occupied by the ancient Maya. pollen over relatively short distances (e.g. Looking further afield, the ancient Maya manioc, cotton, and maize) 16,23,24,25. Ancient example provides lessons for comparable Maya were likely using aguada water for pot regions of the globe. irrigating proximate fields or agricultural terraces. Furthermore, modern experiments are showing the potential of aguadas for aquaculture in the Yucatan Peninsula 26,27. Arredondo et al. (1982) described the References 1. Hodell, D.A., M., Brenner, et al. (2001). “Solar Forcing of Drought Frequency in the Maya Lowlands.” Science, 292 (5520): 1367-1370. 2. Stahle, D.W., J. Villanueva Diaz, et al. (2011). “Major Mesoamerican droughts of the past millennium.” Geophysical Research Letters, 38: 1-4. 3. Dunning, N.P., T.P. Beach, et al. (2012). “Kax and kol: Collapse and resilience in lowland Maya civilization.” Proceedings of the National Academy of Sciences, (pre-publication) 10.1073/pnas.1114838109, available Online: http://www.pnas.org/content/early/2012/02/23/1114838109.full.pdf+html Ancient Maya solutions to water and food insecurity 4. Webster, D. (2002). The Fall of the Ancient Maya, Thames and Hudson: New York. 5. Demarest, A., P.M. Rice, et al. (2004). The Terminal Classic in the Maya Lowlands: Collapse, Transition and Transformation, University Press of Colorado. 6. Rice, D. S. and P. M. Rice (1990). “Population Size and Population Change in the Central Peten Lake Region, Guatemala.” in Precolumbian population history in the Maya Lowlands, edited by T. P. Culbert and D. S. Rice, pp. 123–148, University of New
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