Dr. Sarah Lehnert
I am a visiting postdoctoral fellow at the Bedford Institute of Oceanography in Dartmouth, Nova Scotia. I am interested in evolutionary processes that act to maintain genetic variation in natural populations. As part of my postdoctoral research, I am investigating the introgression of European Atlantic salmon in North American populations. Atlantic salmon from these two continents diverged over 600,000 years ago, and today these subspecies are characterized by different numbers of chromosomes. Through the use of high-density genetic markers, we can characterize this introgression across North American populations and identify genomic regions of introgression as well as regions that act as barriers to gene flow. My research will provide insight into the evolution of this economically important species.
Dr. Tony Kess
I am a visiting postdoctoral researcher interested in ecological genomics in marine species, located at the Bedford Institute of Oceanography in Dartmouth, Nova Scotia. Currently, I am applying population and quantitative genomic methods to characterize genomic architecture variation in Atlantic cod using a single nucleotide polymorphism (SNP) panel from a recently developed SNP chip. Atlantic cod exhibit variation in migratory behaviours; identifying the genomic variation associated with these differences is important in understanding how features of the genome may produce ecologically diverse communities of the same species. Practically, this knowledge is integral to accurately measuring human impacts within this species, and in developing improved management strategies guided by genomic information.
Dr. Kara Layton
I am a postdoctoral researcher at Memorial University of Newfoundland and the Bedford Institute of Oceanography in Dartmouth, Nova Scotia. I use genomic data to answer questions about the evolution of marine biodiversity and the processes promoting diversification, both from a micro- and macroevolutionary perspective. Currently, I am using a genome-wide SNP panel to identify climate-associated genomic variation and assess genomic vulnerability to climate change in Arctic charr in northeastern Canada. I am also evaluating the performance of genome-wide SNPs and sequencing-based microsatellites for resolving population structure and quantifying exploitation in this species. Together, this research provides insight into future climate change impacts on Arctic charr, and expands our understanding of diversity and exploitation in this vital northern fish species, having important implications for its management.