Evolution 2019: Evolutionary Rescue from Extreme Environmental Pollution Enabled by Recent Adaptive Introgression of Highly Advantageous Haplotypes

Humans often drive quick and pronounced changes to the environment. When faced with novel environmental stressors, natural populations must adapt to changing conditions, migrate to a new location to avoid the stressors, or face extinction. Adaptation to stressful environments can arise through a number of mechanisms. First, populations can adapt using genetic variation already present... Continue Reading →

Evolution 2019: Urban Coyotes are Genetically Distinct from and Less Diverse than Coyotes in Natural Habitats

Habitat fragmentation associated with urbanisation if often thought to limit the movement of mobile species, potentially leading to genetically distinct clusters of individuals across a city. Identifying the landscape features that act as barriers to dispersal and drive population differentiation has become a central goal in recent urban evolution research. Javier Monzón, an assistant professor... Continue Reading →

Evolution 2019: Human Land Use Impacts Gene Flow in the Biodiversity Hotspot Cape Floristic Region, South Africa

During Monday’s poster session at Evolution 2019, I had the chance to talk with Dr. Lindsay Miles (currently a postdoc at the University of Toronto-Mississauga and an editor of this blog) about research she conducted during her PhD at Virginia Commonwealth University. Lindsay and her fellow researchers report on how anthropogenic land use is influencing... Continue Reading →

Evolution 2019: Evolution Takes Flight: Population Genetics of Feral Pigeons (Columba livia) in the Northeastern United States

As you may have guessed by now, urbanization changes the natural landscape and this can have consequences for the organisms that live in them. Feral pigeons, which had been domesticated thousands of years ago and transported globally by humans, are not immune to rapid urbanization impacts. Previous studies have shown that there can be inbreeding... Continue Reading →

Evolution 2019: The Strength of Plant-Pollinator Interactions Varies Along an Urbanization Gradient

Fragmentation of habitat patches is one of many consequences that occurs due to urbanization. This fragmentation can lead to isolated populations that are completely surrounded by urban structures. This isolation can happen on relatively quick timescales, as quickly as 30 years! Due to the loss of habitat patches available for nesting, there can be plant-pollinator... Continue Reading →

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