A “third water” ™ makes aquaculture possible in the Cambodian mountains

Apparently, since Japan they have discovered a technique by which it would be possible to create both fresh and saltwater artificially. Thanks to this, the doors to the breeding of aquatic species in mountain areas will be opened, allowing the inhabitants of Cambodia – the area where the tests are being carried out – to open three shrimp farms in their mountains this same summer.

What does this process consist of?

The technique has been developed by a science professor at the University of Okayama named Toshimasa Yamamoto. The process for creating artificial water consists of mixing fresh water with the right amount of minerals; including salts, potassium and calcium in its proper measure. Specifically, for each liter of water, 10 grams of these minerals are added. Thanks to this amazing new technique, a mountainous area can be turned into a totally suitable place for the breeding of marine species. Since the technique was patented in 2012, experiments have been done with tiger fish and eels.Many scientists have long believed that aquaculture in mountainous areas could assist in the eradication of poverty and malnutrition. Until now, the problem was the poor quality of the waters in the area and the diseases derived from their consumption. Thanks to the use of artificial water from the project, there is a lower incidence of diseases due to the fact that it presents properties that do not exist in nature, which greatly hinders the proliferation of infectious agents normally present in fresh and salt water. In addition, species reared in this medium have been found to grow at a much faster rate than those reared in their natural habitat. This is thought to be due to the fact that fish do not lose as much energy in osmoregulation (the way they have to regulate the osmotic pressure of their body) as they do in their natural habitat.

This technique, which has been called the third water, has the objective of reducing the current dependence on the oceans, which according to Yamamoto can be strongly affected by the climate and other variables. Another advantage of these Cambodian aquaculture farms is that there is no need to regulate the temperature of this third water, since in the region they enjoy high temperatures throughout the year. Still, if the technique is progressively extended to other countries, the use of electricity may be necessary to keep the water at a certain temperature. For this reason, various ecological ways of heating water and reducing electricity costs, such as geothermal and solar energy, are already being studied.

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