Cape Cod Vernal Pools
Saturday, on a near 50-degree sunny morning, I joined a guided walk led by MassAudubon to explore the vernal pools at Ashumet Holly in Falmouth. A vernal pool is a unique temporary wetland that fills with water in the autumn or winter due to rainfall, snow melt and rising groundwater and remains ponded through the spring and sometimes into early summer. What makes vernal pools different from an ordinary pond is that vernal pools dry completely by the middle or…