Climate change – who can keep up?

Evolution has no forethought. An artic fox turns white at a particular time in winter due to the selection pressures experienced by its ancestors. This adaptation helped foxes in the past blend into the snowy background and more easily disguise themselves from prey. But what if timing of first snowfall starts to move later and later into the year or becomes more unpredictable? This is a question of phenology, the … Continue reading

Parasitism Threatens Mutualism

Background: The world is a complicated place. Organisms typically interact with one another simultaneously and the strength of interactions can depend on what’s happening in the environment. As a number of organisms within a community increases, indirect interactions also increase exponentially (Abrahams 1992). As ecologists, we’re fascinated by the beauty of this complex world while we struggle to understand and predict how nature really works. Studying a pair-wise interaction is … Continue reading