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Industria Salinera de Yucatan S.A. de C.V. (ISYSA) has its operation of primary production of&#x0D;salt by solar evaporation in Las Coloradas, Yucatan, Mexico, in the coast the northwest of the&#x0D;Yucatan Peninsula. One of the disadvantages of this location is the presence of extreme&#x0D;climatologic phenomena like hurricanes, since they put in risk the stability of the lagoons of&#x0D;production by the thin coastal dune strip that delimits the ocean with the evaporation ponds.&#x0D;In September of 2002 the Isidore hurricane hit the coasts of Yucatan, and although the eye of&#x0D;the hurricane was at 70 kilometers to the north of the coasts of Las Coloradas, the damages&#x0D;that it caused to the production system were considerable. This climatologic phenomenon&#x0D;opened to a channel between the sea and the area of evaporation ponds, allowing that the&#x0D;force of the water intercommunicated to several ponds when losing itself the dikes. The&#x0D;salinity gradients were modified as well as the microbiological component of the evaporators&#x0D;when coming off itself the upper layer of benthic microorganisms with the force of the surge,&#x0D;facilitating the increase of populations of microalgae Aphanothece halophytica that forms a&#x0D;mucilage substance that affects the quality of brines.&#x0D;One of the works was the introduction of great amounts of brine shrimp in the evaporation&#x0D;ponds. The work focused in the design of a continuous culture and great production of brine&#x0D;shrimp in suitable facilities to make adequately these works, as well as the culture of great&#x0D;concentrations of the microalgae Dunaliella viridis like live food for the cultures of brine&#x0D;shrimp. On the other hand, 18 fiber glass carboys with capacity of 800 liters each one, is&#x0D;prepared with brine of the crystallizers with 25ºBe mixed with fresh water and the content of&#x0D;the culture of Dunaliella viridis. The fiber glass containers that already have the concentration&#x0D;adapted of brine shrimp to be introduced to the evaporation ponds previously selected.&#x0D;These actions have taken to fortify the community of brine shrimp in the evaporating ponds&#x0D;with intermediate and high salinity and therefore to improve the brines with total transparency&#x0D;and a stability between the communities of the ponds and the diminution of the Aphanothece&#x0D;halophytica in the brines.

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Project of Recovery the Biological Conditions of the Production System in Saltworks of Industria Salinera de Yucatan S.A. de C.V. (ISYSA) Damaged by the Hurricane Isidore in September of 2002