Conservation: Over the years, I have seen this population reduce in numbers and this year was no exception, I noticed the sharpest decrease in the last ten years, and this has been happening while the amount of exotics increased. This year I noticed a bloom of Procambarus clarkii, introduced in recent years, as well as a large number of Koi carps. This is one of the few remaining populations below the waterfalls, and the larger in number, having Amado Nervo and Ojo de Agua de San Juan disappeared in recent years. Some very small populations of C. lateralis remain in connected nearby springs and in a now isolated (by a man-made waterfall) spring near La Constancia. The exotics are however seen in all the populations and all have been decreasing in C. lateralis numbers.
Mayran - Viesca
Durango
The locality profile for Mezquital: Ojo de Agua los Berros, within the Mayran - Viesca ecoregion, introduces this freshwater setting through FFM’s curated geographic and natural-history context. It provides an accessible overview of the locality’s general description, its aquatic environment and its conservation context. The account emphasizes the locality as an aquatic environment and the broader themes that help explain its character, without reducing the profile to a species checklist or disclosing sensitive site details. By bringing the available sections together in one focused narrative, the profile offers a useful starting point for understanding the locality’s place in its drainage and wider landscape, while inviting readers to explore the complete account..
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