Rapa whelks vs. Hard clams
JM, Clark, VP, and Mann, R. 2003. Predators in Action: Rapa Whelks
vs. Hard Clams. Virginia Institute of Marine Science. VSG-03-01.
VIMS ES-55. 1/2003.
gives information and data-based exercises describing ecological
and economic connections between introduced rapa whelk Rapana
venosa predators and local hard clams Mercenaria mercenaria in the lower Chesapeake Bay. The information is focused to answer
the question: "How many hard clams could a rapa whelk eat
in one year?"
It is attached
as a PDF file that includes a data based activity, student worksheets,
and teacher answer keys. If
you choose to use these materials, please note that these materials
and activities are copyrighted and should be cited appropriately.
PDF file for this activity.
may be reproduced by educators for instructional use only. Unless
otherwise noted, all pictures and illustrations contained herein
are the property of Juliana M. Harding. Permission to reproduce
or use any pictures or illustrations separately from the entire
publication should be obtained directly from the authors. Contact
Dr. Juliana Harding (email@example.com) or Ms. Vicki Clark (firstname.lastname@example.org)
for additional information.