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    Estero Socorro Dike: like a new one

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    Dique Estero Socorro: como nuevo

    The Estero Socorro Dike, traversable along the 22 kilometers, is one of the most important works in the Great North Wetland of Ciego de Ávila

    Forces belonging to the Hydraulic Resources system completed the repair of the Estero Socorro Dike, Ramsar site since 2002, and one of the works with the greatest impact on the recovery and maintenance of the biodiversity of the Great North Wetland of Ciego de Ávila.

    The work in this segment, which is 22 kilometers long, constitutes one of the most relevant actions in this geographical area, which was highly affected by Hurricane Irma in September 2017.

    The engineer David González Negrín, head of execution control of the ESI-DIP Trasvase, of the Center-East UEB, said that in the hydrotechnical work the 14 ecological passes that allow the exchange of nutrients between the mangrove zone (downstream dam) and the extensive wetland areas (upstream).

    They also prepared the emergency spillway, one kilometer long, and completed the earthworks to raise the level of the dike - crossable at moderate speeds - to 2 meters and 20 centimeters above the natural terrain level, in which it was necessary pour more than 16,000 cubic meters of fill material.

    The planner Nelson Hernández Hernández told Granma that the rehabilitation work proceeded according to what was designed, a guarantee for the correct operation of the work, which has extremely important functions, such as recharging the groundwater layer and regulating runoff from the surface basin La Llana, the largest in that geographic area.

    The cost of the investment exceeds 8 million pesos and brigades from the hydraulic resources system of Ciego de Ávila, Camagüey and Las Tunas intervened in it.

    The work in the Estero Socorro Dike is inserted among those of the Life Task in the Great North Wetland —a wide strip of more than 226,800 hectares that covers the municipalities of Bolivia, Primero de Enero, Morón, Ciro Redondo and Chambas—, one of the danger and vulnerability scenarios in the coastal areas of Cuba and the adjacent cays, associated with the rise in sea level for the years 2050 and 2100.

    In addition, the area is the habitat of several types of birds, among which the spotted rail (Pardirallus maculatus), the Cuban crane (Grus canadensis nesiotes), an endemic subspecies of Cuba and one of the oldest birds that populate the American continent, stand out.