thank E. Nelson, B. Connors, S. Rogers, and K. Assonitis, as well as
the people of the Broughton Archipelago, for help in the field. R.
Routledge (Simon Fraser University, Burnaby, BC, Canada) designed the
2004 survival studies. Comments from B. Anholt, M. Wonham, and two
reviewers improved the manuscript. This work was supported by a Natural
Sciences and Engineering Research Council Canada (NSERC) Canada
Graduate Scholarship D and a D. Allen Birdsall Memorial Scholarship (to
M.K.); a senior Canada Research Chair and NSERC Collaborative Research
Opportunity grant (to M.A.L.); NSERC Discovery grants (to M.A.L. and
J.P.V.); an NSERC/Social Sciences and Humanities Research Council of
Canada Major Collaborative Research Initiative grant (to J.P.V.); a
Tides Canada grant (to A.M.); and matching funds from the National
Research Council of Canada Mathematics of Information Technology and
Complex Systems program, the David Suzuki Foundation, the Canadian
Sablefish Association, and the British Columbia Wilderness Tourism
- †To whom correspondence should be addressed. E-mail:
contributions: M.K., M.A.L., and A.M. designed research; M.K., M.A.L.,
and A.M. performed research; M.K., M.A.L., and L.N.F. contributed new
reagents/analytic tools; M.K. analyzed data; and M.K., M.A.L., and
J.P.V. wrote the paper.
The authors declare no conflict of interest.
This article is a PNAS direct submission.
See Commentary on page 15277.
Freely available online through the PNAS open access option.
- © 2006 by The National Academy of Sciences of the USA