[MARMAM] New paper on population differentiation of Bryde's whales

Francine Lindsay Anne Kershaw flk2107 at columbia.edu
Mon Sep 30 07:11:43 PDT 2013

Dear colleagues,

I would like to inform you that the following paper was recently published:

Kershaw F., Leslie MS., Collins T., Mansur RM., Smith BD., Minton G.,
Baldwin R., LeDuc RG., Anderson RC., Brownell Jr. RL., & Rosenbaum HC.
2013. Population differentiation of 2 forms of Bryde's whales in the Indian
and Pacific Oceans. Journal of Heredity, Advanced Access: 30 September 2013.

Accurate identification of units for conservation is particularly
challenging for marine species as obvious barriers to gene flow are
generally lacking. Bryde's whales (*Balaenoptera spp.*) are subject to
multiple human-mediated stressors, including fisheries bycatch, ship
strikes, and scientific whaling by Japan. For effective management, a clear
understanding of how populations of each Bryde's whales species/subspecies
are genetically structured across their range is required. We conducted a
population-level analysis of mtDNA control region sequences with 56 new
samples from Oman, Maldives, and Bangladesh, plus published sequences from
off Java and the Northwest Pacific. Nine diagnostic characters in the
mitochondrial control region and a maximum parsimony phylogenetic analysis
identified 2 genetically recognized subspecies of Bryde's whale: the
larger, offshore form, *Balaenoptera edeni brydei*, and the smaller,
coastal form, *Balaenoptera edeni edeni. *Genetic diversity and
differentiation indices, combined with a reconstructed maximum parsimony
haplotype network, indicate strong differences in the genetic diversity and
population structure within each subspecies. Discrete population units are
identified for *B. e. brydei * in the Maldives, Java, and the Northwest
Pacific, and for *B. e. edeni* between the Northern Indian Ocean (Oman and
Bangladesh) and the coastal waters of Japan.

Abstract link: *

For pdf requests or additional information please contact: *
flk2107 at columbia.edu* and *hrosenbaum at wcs.org*

Many thanks!

*Francine Kershaw, Faculty Fellow / Doctoral Candidate*
Columbia University
Department of Ecology, Evolution & Environmental Biology (E3B)
1014 Schermerhorn Ext., 1200 Amsterdam Avenue,
New York, NY 10027

T: 612-280-8215
E: flk2107 at columbia.edu
S: francine.kershaw

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