Elimination of top predators (e.g. wolves) from regions like the Greater Yellowstone Ecosystem leads to changes in prey population density and behavior, as well as overall community structure. This ...

A pond is a complex aquatic ecosystem with living and non-living components ... This publication covers the following topics: Non-living factors: Temperature & oxygen Nutrients and plants The pond ...

This type of indirect interaction is called keystone predation. Another interesting study demonstrated indirect interactions among species in both aquatic and terrestrial ecosystems (Figure 4).

In aquatic ecosystems, the topic of environmental change is very timely ... For instance the effects of increasing turbidity and decreasing hypolimnetic oxygen concentrations on predator prey ...

When ecosystems are green, predators are often holding grazers ... When and Where Do Community-Level Trophic Cascades Occur? In aquatic systems, control of plant community structure via trophic ...

Such connections can become amplified when parasites alter host behavior or morphology to increase predation risk on intermediate hosts (i.e., trophic ... how common yet cryptic parasite infections ...

Scientists stumbled upon a mysterious crustacean quite by accident. The discovery was made nearly 8,000 metres underwater, in ...

He is interested in how anthropogenic stressors influence host-parasite relationships in aquatic systems ... and evolution in mediating the response of communities and ecosystems to global change. His ...