Across North America, mountain lions, bears and gray wolves have made a remarkable comeback over the last 50 years. Once ...

Setting aside land for nature is one of the main global strategies to conserve biodiversity. From national parks to local ...

A simple theoretical model describing the interaction between humans and their environment in terms of energy flows is proposed to check the compatibility between the density of energy throughput in ...

DURHAM, N.C. – The hunter-versus-hunted phenomenon exemplified by a pack of lionesses chasing down a lonely gazelle has been recreated in a Petri dish with lowly bacteria. Working with colleagues at ...

Density dependent interactions between higher and lower trophic levels were studied in two consecutive whole lake experiments in a highly productive lake. In the first experiment, the zooplanktivorous ...