March: Copepods - Keystones of Spring

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Chesapeake Almanac

Chesapeake Bay Foundation

48 episodes

1 month ago

Join retired Chesapeake Bay Foundation Senior Naturalist John Page Williams every Wednesday for inside accounts of our Bay’s creatures and seasonal events. Follow the Bay through the seasons. Williams' fascinating natural history will enable those who love the Chesapeake to tune in to life around the Bay. The fishing enthusiast will discover things that help him or her catch more bluefish or white perch; the bird watcher and the hiker will learn when to look for the appearance of the ospreys in the spring and the geese in the fall. The cruising sailor drinking morning coffee while anchored in a quiet cove will learn why a great blue heron stalks the shallows in summer; the canoeist will discover when to look for wild marsh flowers. ABOUT JOHN PAGE WILLIAMS Raised in Richmond, John Page Williams retired in 2019 from the Chesapeake Bay Foundation after a long career working as a naturalist and field educator on streams, creeks, rivers, and the open Bay throughout the Chesapeake watershed in Virginia, Maryland, and Pennsylvania. As he has also done for many years, he continues to review powerboats and write on fishing and environmental issues for Boating Magazine, Chesapeake Bay Magazine, and Virginia Wildlife Magazine. These readings are from John Page Williams, Jr.'s book, Chesapeake Almanac: Following the Bay through the Seasons. The publication is available in print at Amazon.com. Content copyright © John Page Williams, Jr. All rights reserved. Find out more about the Chesapeake Bay Foundation at www.cbf.org.

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March: Copepods - Keystones of Spring

Chesapeake Almanac

7 minutes 52 seconds

3 years ago

March: Copepods - Keystones of Spring

Copepods. They are among the most abundant multicellular animals on earth and generally regarded as the most numerous in the Chesapeake, with numbers routinely as high as 30,000 per cubic meter of water in some areas. They are a keystone food source for virtually every fish species in the Bay. But it takes a 3X hand lens to bring them clearly into view. In fact, they fly so far under the radar that their species don't even qualify for common names. Only the Latin Eurytemora affinis and Acartia tonsa are used to identify them. In this episode, John Page Williams brings into focus one of the tiny--but important--mysteries of the Chesapeake.