The people of Nunavut, the Nunavummiut, face many challenges. Among the most pressing is affordable access to nutritious, safe and culturally-relevant food. Indeed, eight times…
Biological invasions provide opportunities to study evolution over contemporary timescales in novel environments increasingly affected by global climate change, pollution and habitat fragmentation (Sax et al.…
Global biodiversity is increasingly under threat from human activity, which has elevated rates of extinction and invasion by several orders of magnitude above historical averages…
Sub-zero temperatures put plants at risk of damage associated with the formation of ice crystals in the apoplast. Some freeze-tolerant plants mitigate this risk by…
The Yungas Redbelly Toad, Melanophryniscus rubriventris, is patchily distributed in Argentina, confined to the upland portion (1000-2000m above sea level) of the montane forests of…
We investigated moult strategies in Loggerhead Shrikes by examining first prebasic or preformative moult patterns and by assessing the general location where individual feathers were…
Control of measles was the focus of a national workshop held in 2015 in Sydney, Australia, bringing together stakeholders in disease control and immunisation to…
I am a professor in the Department of Biology, with a specialization in molecular genetics. In the Walker Lab, our research interests concern stress genes…