Baja California Sur’s abalone boats are standing down. The Baja abalone ban began this month, a seasonal closure aimed at protecting the blue and pink abalone that help sustain coastal towns like La Bocana and Punta Abreojos. Officials say the state now produces more than 100 tons each year, much of it bound for Asia, yet the resource remains vulnerable to warming seas and poaching. The pause is a test of Mexico’s co-management model: science-bas…