Starting next month, Bailey Tract , a 100-acre part of the J.N. Ding Darling National Wildlife Refuge , will close for a hydrological restoration effort. It’s one of the lesser-known trails at the preserve. Biologists say the plan involves partially filling the Ani Pond, reconnecting wetland habitat and other hydrological enhancements, to benefit the State-threatened Sanibel Island rice rat, as well as marsh birds and other species dependent on the marsh habitats. We’re joined by Jeremy Conrad,