Lathrop’s Quiet Vernal Pools

by Barbara Walvoord

First Printed in Lathrop Lamp Post, Nov.  18-24, 2017

Last spring, our vernal pools were jumping with visible life.  Mating wood frogs quacked in a loud chorus.   On rainy nights, salamanders paraded en masse to the pools from their woodland borrows and rockpiles. New-hatched fairy shrimp darted about in the water. Later, tadpoles and baby salamanders popped out feet and developed lungs. Predators circled–turtles, snakes, owls.

All that springtime life and movement is a race against time, because, at least every few years, vernal pools, by definition, dry up in summer, creating an environment free of the fish that would otherwise eat the eggs of vernal pool creatures.  Fish-free is good, BUT–the creatures have to adapt to the summertime drying and wintertime freezing of the pool.  Fairy shrimp lay eggs that stay in Continue reading Lathrop’s Quiet Vernal Pools

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Reports from the Front Lines

by Barbara Walvoord

First printed in Lathrop Lamp Post Nov. 11-17, 2017

This photo was taken on the east campus along Bassett Brook Road at the corner of Huckleberry Lane–a visible “front line” on our property.

Three years ago, on this corner, there was a dense hedge of burning bush (Euonymus alatus), so dangerously invasive it is now illegal to propagate or sell in Massachusetts.  At Lathrop, birds are carrying it into our woods, where it is crowding out native plants without providing as richly for our wildlife as native plants do, and costing Continue reading Reports from the Front Lines