ivano grasso

The Mojos Project
Location: Rome Italy
Nationality: Italian
Biography: Ivano Grasso was born in Rome, Italy. Having studied Business Accounting in Rome he moved to Milan and attended the Riccardo Bauer Photography Program then moved to London and completed a portraiture course at Westminster University. He spent the... read on

The Hydraulic Civilizations of The Mojos and Family Agriculture in the Bolivian Amazon.

(Turning Disaster into Opportunity)

The Beni Department (Bolivian Amazon) is close to the Brazilian border and is one of Bolivia’s most remote and poorly connected rural areas. In recent years it has been catastrophically affected by climate change and the rainy season has destroyed crops and assets, bringing disease and hunger. La Niña weather cycle used to impact heavily on the area every 10-12 years. Since 2006 it is causing damage annually. It has been a longheld belief that the area cannot host anything other than very specialized herbaceous and tree species, adapted to the characteristic long periods of drought and flooding, and that this poor environment has impeded the development of complex civilizations. However, these notions have been recently challenged by the discovery of roads, settlements and infrastructures for water management and agriculture, for which millions of cubic meters of earth must have been moved. Three thousand years ago pre-Columbian hydraulic cultures, the Mojos, constructed complex systems of artificial hills (originally pyramid-like structures now known as ‘Lomas’), raised fields (known as ‘Camellones’), walls, canals and ponds to capitalize upon the ecosystem’s conditions and support human habitation and agriculture.

They adapted to climate changes, such as long drought cycles, by building enormous water reservoirs and canals that diverted river water. They accomodated rainy periods by raising fields above the level of flooding or water logging. Hydro-ways, dams and water contention systems, ditches and round canals were built to protect settlements and elaborate irrigation and drainage systems were constructed for the fields. This hydro-agricultural infrastructure is the most extensive, visible and remarkable part of the archaeological heritage of Beni and has transformed the topography and hydrology of the land on a monumental scale. Over 200.000 hectares of raised fields have been mapped using satellite imagery and aerial photography, but many more of the remnants of this civilization are still hidden under the forest and prairies and their hydraulic and agricultural techniques remain a mystery. It is evident that these built habitats provided conditions for increased biodiversity and natural ecosystem productivity, leading to the development of a human population far greater than today’s scant half million.

Development agencies are generating the first results from experiments aimed at restoring these ancient techniques. They are investing in the construction of raised fields and fish farming ponds, aiming to adapt agricultural production to the drought and torrential rain cycles of the Beni Department. Their goal is to increase plasticity through the introduction of built habitats that will buffer water availability fluctuations throughout the year and increase local food production in tropical and sub-tropical regions. This has the potential to improve food security in water-stressed and flood-prone areas and minimize the need to practice slash and burn agriculture, thus protecting the local rainforest.

Photographer Ivano Grasso and Anthropologist Andrea Markos have traveled across the Beni Department documenting development agency sponsored projects and also instances where local farmers are re-utilizing the  ancient hydro-agricultural infrastructures.

The re-creation and maintenance of this type of agricultural system presents an effective and practical solution in response to the effects of climate change and the need for conservation of globally significant forests and biodiversity  and sustainable agriculture


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