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Science 6 April 2007:
Vol. 316. no. 5821, p. 53
DOI: 10.1126/science.1135099
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Technical Comments

Comment on "Divergent Induced Responses to an Invasive Predator in Marine Mussel Populations"

Paul D. Rawson1*, Philip O. Yund2 and Sara M. Lindsay1

1 School of Marine Sciences, 5751 Murray Hall, University of Maine, Orono, ME 04469–5751, USA.
2 Marine Science Center, University of New England, 11 Hills Beach Road, Biddeford, ME 04005, USA.


Figure 1 Fig. 1. Mussel populations in central and eastern Maine are a mosaic of M. edulis and M. trossulus. Substantial frequencies of M. trossulus alleles (black) at the diagnostic marker Glu5'; can be found as far west as the Penobscot Bay region. Sites 12 to 24 (underlined) are those that have been sampled subsequent to Rawson et al. (2). Between 30 and 48 adult mussels (20- to 50-mm shell length) were assayed at each of these sites. Nearly identical results were obtained for a second diagnostic marker, ITS. [View Larger Version of this Image (37K GIF file)]
 

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Science. ISSN 0036-8075 (print), 1095-9203 (online)