Genetic Structure and Diversity in Deer Populations
Summary
Genetic structure in deer populations refers to the distribution of genetic variation across individuals and groups, shaped by factors such as historical range shifts, landscape barriers and human interventions. Genetic diversity—the variety of alleles and genotypes within and between populations—is a critical component of resilience, enabling adaptation to environmental change, disease pressures and habitat alteration. Advances in molecular techniques, from microsatellite markers to high‐throughput single nucleotide polymorphism (SNP) panels and whole‐genome assemblies, have rapidly refined our understanding of cervid population dynamics. Studies have documented how past translocations and restocking efforts may obscure natural dispersal patterns, leading to complex admixture zones. Meanwhile, hybridisation between closely related deer species, driven by habitat overlap or anthropogenic disturbance, can introduce novel genetic variants but may also threaten local adaptations. Conservation and management depend on accurate characterisation of population boundaries, connectivity corridors and hotspots of unique diversity. Globally, this knowledge underpins practices such as controlled harvest, fenced reserves and habitat restoration, ensuring that genetic health is maintained while balancing ecological, economic and cultural values associated with deer.
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Genetic Structure and Diversity in Deer Populations publication trend
The graph below shows the total number of articles in genetic structure and diversity in deer populations across all publications each year (not limited to Nature Index journals).
Technical terms
Genetic structure: The spatial or social distribution of genetic variation within and among populations.
Genetic diversity: The range of genetic differences, such as alleles or haplotypes, present in a population.
Single nucleotide polymorphism (SNP): A single‐base variation in DNA sequence that serves as a genetic marker.
Introgression: The incorporation of genes from one species into the gene pool of another through hybridisation and backcrossing.
Hybridisation: The interbreeding of individuals from genetically distinct populations or species.
Heterozygosity: The presence of different alleles at a genetic locus within an individual or population, often used as a measure of diversity.
References
- Development of a Novel Mule Deer Genomic Assembly and Species-Diagnostic SNP Panel for Assessing Introgression in Mule Deer, White-Tailed Deer, and Their Interspecific Hybrids. G3: Genes, Genomes, Genetics (2019).
- Spatial population genetics in heavily managed species: Separating patterns of historical translocation from contemporary gene flow in white‐tailed deer. Evolutionary Applications (2021).
- Extent and direction of introgressive hybridization of mule and white‐tailed deer in western Canada. Evolutionary Applications (2021).
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