Food web is ... primary productivity in terrestrial ecosystems. Top-down control occurs when the population density of a consumer can control that of its resource, for example, predator ...

In contrast, an energy-flow terrestrial food web would show such relationships ... can profoundly impact species within an ecosystem. For example, man-made synthetic chemicals often do not break ...

For example ... in terrestrial, freshwater and marine systems,” the scientists write. But changes to the food web aren’t the primary problem for human populations; the effects on ecosystem ...

These tiny plastic particles not only pose a threat to marine ecosystems, but also present new challenges to terrestrial ...

for example, influence how valuable they are for the animals that consume them as food. And thirdly, invasive species can cause new spatial flows between ecosystems that did not exist before the ...

Long-term flood in a small forest lake increases nutrient leaching from the surrounding terrestrial ecosystem. This increases biological production in the food web of the lake, which is seen in, e.g., ...