Ecologists have long recognized the importance of predators in structuring ecological systems, but recent research demonstrates that changes in predator richness – the diversity of predator species, genotypes, and functional assemblages in an ecosystem – may also strongly affect the composition of and population dynamics within ecological communities. In “Cascading effects of predator richness”, a [...]

 

 Predation and Prediction [14:49m]: Play Now | Play in Popup | Download

In 1994, a previously unidentified virus emerged in a human population in Australia. The Hendra virus, as it came to be known, is just one of several infectious diseases that were investigated by Raina Plowright and her colleagues, who relied on interdisciplinary techniques and non-traditional analyses to explore the relationship between ecological change and disease [...]

 

 The Ecology of Disease [13:05m]: Play Now | Play in Popup | Download