Genetic connectivity across marginal habitats: the elephants of the Namib Desert Yasuko Ishida1, Peter J. Van Coeverden de Groot2, Keith E. A. Leggett3,†, Andrea S. Putnam4, Virginia E. Fox5, Jesse Lai2, Peter T. Boag2, Nicholas J. Georgiadis6 & Alfred L. Roca1,7 1Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801 2Department of Biology, Queen’s University, Kingston, ON K7L 3N6, Canada 3Namibian Elephant and Giraffe Trust, Outjo, Namibia 4Department of Life Sciences, San Diego Zoo Global, San Diego, California 92112 5Elephant Human Relations Aid (EHRA), Swakopmund, Namibia 6Puget Sound Institute, University of Washington, Tacoma, Washington 98421 7Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801 Keywords Abstract Etosha National Park, Loxodonta africana zukowski, microsatellites, mitochondrial DNA. Locally isolated populations in marginal habitats may be genetically distinctive and of heightened conservation concern. Elephants inhabiting the Namib Desert Correspondence have been reported to show distinctive behavioral and phenotypic adaptations Alfred L. Roca, Department of Animal in that severely arid environment. The genetic distinctiveness of Namibian Sciences, University of Illinois at Urbana- desert elephants relative to other African savanna elephant (Loxodonta africana) Champaign, 1207 West Gregory Drive, populations has not been established. To investigate the genetic structure of ele- Urbana, IL 61801. phants in Namibia, we determined the mitochondrial (mt) DNA control region Tel: 217 333 4679; = Fax: 217 333 8286; sequences and genotyped 17 microsatellite loci in desert elephants (n 8) from E-mail:
[email protected] the Hoanib River catchment and the Hoarusib River catchment. We compared and these to the genotypes of elephants (n = 77) from other localities in Namibia.