The next program of the Prince George's Audubon
Society and the Patuxent Bird Club will be this
Tuesday, March 11, at 7:30 at the College Park Airport
Annex.  Details, directions, and more can be found on
our website ( http://www.pgaudubon.org ).  A
description (taken from the website) follows:

>>
Dr. David Smith, USGS Aquatic Ecology Lab

The primitive organisms we call Horseshoe “Crabs” come
ashore every spring to lay eggs in the sand, and
millions of migrant shorebirds fatten up on the eggs
at areas of high concentration, mainly Delaware Bay,
in an age-old ritual many of us have seen on field
trips. In recent years an explosive increase in the
horseshoe crab harvest has corresponded with a drastic
decline in shorebirds, especially Red Knots. Now a
moratorium on crab harvest has halted the decline in
horseshoe crabs, but the Red Knots have not recovered.
The interaction between horseshoe crabs and shorebirds
is more complex than first appears.

Dr. David Smith of the U.S. Geological Survey's
Aquatic Ecology Lab is an expert on the life-cycle of
the horseshoe crab and has worked on strategies to
improve both their numbers and the populations of the
birds that depend on them. He will explore their
ecology, harvest history, and the human dimensions
involved.

<<

The program is, as always, free and open to the
public.  Light refreshments will be served.  Hope to
see you there!

Lynette Fullerton
President, PG Audubon Society


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