Paul Bentzen

Professor

DFO Chair, Fisheries Resource Conservation Genetics

Email: paul.bentzen@dal.ca


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Recent Submissions

  • Both Geography and Ecology Contribute to Mating Isolation in Guppies 

    Schwartz, Amy K., Dylan J. Weese, Paul Bentzen, Michael T. Kinnison, et al. 2010. "Both Geography and Ecology Contribute to Mating Isolation in Guppies." Plos One 5(12): 15659-e15659. doi:10.1371/journal.pone.0015659
    Local adaptation to different environments can promote mating isolation - either as an incidental by-product of trait divergence, or as a result of selection to avoid maladaptive mating. Numerous recent empirical examples ...
  • Identifying Canadian Freshwater Fishes through DNA Barcodes 

    Hubert, Nicolas, Robert Hanner, Erling Holm, Nicholas E. Mandrak, et al. 2008. "Identifying Canadian Freshwater Fishes through DNA Barcodes." Plos One 3(6): 2490-e2490. doi:10.1371/journal.pone.0002490
    Background: DNA barcoding aims to provide an efficient method for species-level identifications using an array of species specific molecular tags derived from the 59 region of the mitochondrial cytochrome c oxidase I ...
  • Mixed evidence for reduced local adaptation in wild salmon resulting from interbreeding with escaped farmed salmon: complexities in hybrid fitness 

    Fraser, Dylan J., Adam M. Cook, James D. Eddington, Paul Bentzen, et al. 2008. "Mixed evidence for reduced local adaptation in wild salmon resulting from interbreeding with escaped farmed salmon: complexities in hybrid fitness." Evolutionary Applications 1(3): 501-512.
    Interbreeding between artificially-selected and wild organisms can have negative fitness consequences for the latter. In the Northwest Atlantic, farmed Atlantic salmon recurrently escape into the wild and enter rivers where ...
  • Population Structure as Revealed by mtDNA and Microsatellites in Northern Fur Seals, Callorhinus ursinus, throughout Their Range 

    Dickerson, Bobette R., Rolf R. Ream, Sacha N. Vignieri, and Paul Bentzen. 2010. "Population Structure as Revealed by mtDNA and Microsatellites in Northern Fur Seals, Callorhinus ursinus, throughout Their Range." Plos One 5(5): 10671-e10671. doi:10.1371/journal.pone.0010671
    Background: The northern fur seal (Callorhinus ursinus; NFS) is a widely distributed pinniped that has been shown to exhibit a high degree of philopatry to islands, breeding areas on an island, and even to specific ...
  • Synchronized hatch and its ecological significance in rainbow smelt Osmerus mordax in St. Mary's Bay, Newfoundland 

    Bradbury, IR, SE Campana, P. Bentzen, and PVR Snelgrove. 2004. "Synchronized hatch and its ecological significance in rainbow smelt Osmerus mordax in St. Mary's Bay, Newfoundland." Limnology and Oceanography 49(6): 2310-2315. DOI:10.4319/lo.2004.49.6.2310
    Early life history stages in most marine animals are subject to high mortality through predation, starvation, and dispersal. Accordingly, the potential exists for the selection of behavioral mechanisms that reduce ...
  • Non-linear genetic isolation by distance: implications for dispersal estimation in anadromous and marine fish populations 

    Bradbury, Ian R., and Paul Bentzen. 2007. "Non-linear genetic isolation by distance: implications for dispersal estimation in anadromous and marine fish populations." Marine Ecology Progress Series 340: 245-257. doi:10.3354/meps340245
    Indirect genetic approaches such as those based on the association between genetic and geographic distance (isolation by distance, IBD) may provide one of the best means of estimating dispersal in marine systems. We ...
  • Genomic islands of divergence and their consequences for the resolution of spatial structure in an exploited marine fish 

    Bradbury, Ian R., Sophie Hubert, Brent Higgins, Sharen Bowman, et al. 2013. "Genomic islands of divergence and their consequences for the resolution of spatial structure in an exploited marine fish." Evolutionary Applications 6(3): 450-461.
    As populations diverge, genomic regions associated with adaptation display elevated differentiation. These genomic islands of adaptive divergence can inform conservation efforts in exploited species, by refining the ...
  • Otolith elemental composition and adult tagging reveal spawning site fidelity and estuarine dependency in rainbow smelt 

    Bradbury, I. R., S. E. Campana, and P. Bentzen. 2008. "Otolith elemental composition and adult tagging reveal spawning site fidelity and estuarine dependency in rainbow smelt." Marine Ecology Progress Series 368: 255-268. doi:10.3354/meps07583
    Observations of homing and straying in marine organisms based on traditional Eulerian approaches may fail to resolve dispersal kernels or be unable to differentiate homing from invariant local residency, The roles of ...
  • Contemporary nuclear and mitochondrial genetic clines in a north temperate estuarine fish reflect Pleistocene vicariance 

    Bradbury, I. R., M. W. Coulson, S. E. Campana, I. G. Paterson, et al. 2011. "Contemporary nuclear and mitochondrial genetic clines in a north temperate estuarine fish reflect Pleistocene vicariance." Marine Ecology Progress Series 438: 207-U235. doi:10.3354/meps09286
    Contemporary genetic spatial structure in north temperate marine species is likely the culmination of multiple vicariant and dispersive cycles. Here we evaluate spatial genetic structure in an estuarine fish, rainbow ...
  • Microsatellite and allozyme analyses reveal few genetic differences among spatially distinct aggregations of geoduck clams (Panopea abrupta, Conrad 1849) 

    Vadopalas, B., LL Leclair, and P. Bentzen. 2004. "Microsatellite and allozyme analyses reveal few genetic differences among spatially distinct aggregations of geoduck clams (Panopea abrupta, Conrad 1849)." Journal of Shellfish Research 23(3): 693-706.
    The genetic population structure of geoduck clams (Panopea abrupta) in inland waters of Washington may affect fishery management and aquacultural practices involving this species. To investigate genetic differentiation ...