It is an ancient and traditional practice, and in some parts of Spain, such as Sierra de creditos, Is recovering to avoid restrictions on water use In the summer, it destroys crops and causes many problems to drink their animals for farmers. About it “Sow water” Stretching the slopes of the mountain and rehabilitating, the use of grooves or rain, because most are abandoned.
However, this is not new, but the Cucua and Aymara people have been made by construction and management for over a thousand years Amunas, Kochas and Bofedels, in other settings. In Sierra Nevada, where it is being done from Al-Australus, cartographer is 240 kilometers away from these grooves, but this is not the only place to try to recover the water supply system.
In fact, they were pioneers in Andalusia and more than 120 km of grooves have already been intervened since 2014, About 30 communities of Granada, Almeria, Kesarus, Avila or Segovia And with the help of over 3500 volunteers.
As the investigations by CSIC pointed out, these systems To make drought alkwia is really efficient and validAY to face the effects of climate change. The system, therefore, penetrates rainwater in the soil and restores it in other parts after a few months or many years.
Water penetrates this way In the Runoff journey in the grooves And in some areas known as Simas, Coloros or Madas. It is due to the slow speed of spreading groundwater that is expected to retrieve it.
In addition, the existing system allows you to provide drinking water to many people and livestock, Allows crop irrigation And contributes to the maintenance and biodiversity of pastures and myriad related environmental systems during dry times.
Despite being the most traditional subtlety, Studies conducted by CSIC’s geographical and mining companyThey have proved The performance of this system, ancient and setback. In fact, the water that penetrates into the water bodies of Sierra Nevada will double the infiltrate in other similar mountains.
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