Ontario’s wild, or feral, apple trees have a genetic connection to apple varieties grown more than a century ago in the province, says U of G research that compared the genetics of hundreds of feral trees to that of non-feral varieties. “A relatively small number of varieties that were grown in Ontario more than 100
Most mammals are on the move every day searching for food, finding a mate or seeking shelter. But mammals in human-modified landscapes move much shorter distances on average. A new international study co-authored by University of Guelph biologists found that, over a 10-day period, mammals in areas with high human activity range only half to
Why aren’t there more lions when there’s plenty of prey on the African savanna? A team of researchers, including integrative biology professors John Fryxell and Kevin McCann, found that relative amounts of predator and prey biomass in diverse ecosystems around the globe are remarkably well-predicted by a simple mathematical function called a power scaling law.