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Mundo – Colorado River Delta showing signs of life after U.S.-Mexico deal to restore water (Science)

20 agosto 2024

19 de agosto 2024

Fuente: Science

Nota de: Redacción

Foto de: Science

A decade-old effort to restore the once parched Colorado River delta in northwestern Mexico appears to be succeeding. Since the United States and Mexico agreed to restore some water to the delta in 2012, populations of native birds and plants have begun to rebound after decades of decline, researchers report in two recent studies.

The results highlight “what can be achieved by establishing a balance in sustainable water management for the benefit of all, including the ecosystems themselves,” says Roberto Alejandro Sánchez-Rodríguez, a climate change specialist at the College of the Northern Border who was not involved in the studies.

Most of the 2300-kilometer-long Colorado River is in the United States. But the river’s final 106 kilometers flow through Mexico to a delta along the Gulf of Baja California. By the early 2000s, researchers estimated the delta had lost 90% of its forests and wetlands because dams and water withdrawals had drained the lower Colorado.

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