Project

MicroTERRA

To help fish farmers address economic and sustainability challenges, three young women are studying lemna, an aquatic plant that cleans water and offers a new source of income.
Picture of lemna being harvested by hand

Marissa Cuevas was sensitive to the UN’s prediction that World War III would be about water. This led her to study the uses and pollution of freshwater. Paola Constantino and Fanny Villiers joined her in 2019 to launch MicroTERRA and develop the idea of a circular system that transforms aquaculture wastewater into clean, reusable water and a sustainable food. They are already installed in 3 fish farms in Mexico. 

An answer to freshwater needs 

Water is a highly strategic resource for inland fish farming. Mexican traditional fish farmers have enormous economic and sustainability challenges, to keep the fish healthy they must replace 30% of the water in the tanks every week. This creates two major challenges, huge freshwater requirements, and huge wastewater discharges, creating nutrient downstream pollution. MicroTERRA’s business relies on a sharing economy model. They offer them the training to adopt the cultivation of an aquatic plant, the lemna, that cleans their water and brings them a new source of income. By the end of 2023, they plan to be present in 40 farms in Mexico and to be producing around 2,000 Tons of lemna meal. After that step, they will focus on expanding the production internationally, in Latam, aiming at Ecuador and Perú. 

Do you want to support this project? 

https://www.microterra.com/  

Picture of a hand holding green pasta made of lemna
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Picture of lemna aquaculture in a fishpond viewed from the top
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Picture of a pasta dish made of lemna served with cherry tomatoes and rosemary
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Project began: 01/07/2018 

Leading organisation: Microterra Biotec INC 

The country where the team is based: Mexico 

Covered Countries: Mexico 

Theme: Hydrology, Ocean 

Sub-themes: Waste management 

Project needs

  • Equipment supply 
  • In search of financial partners 
  • Monitoring and evaluation 
  • Press relations 
  • Sponsorship/ Philanthropy 

 

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