Create the parameters of your own ecosystem by choosing which producers and consumers live there. Visualize how the food web operates and species populations change. This simulator mimics the food web within a typical ecosystem and gives...

This site discusses how genetic variability is correlated with the risk of organism extinction. It also discusses how bottlenecks can reduce genetic variability in populations leading to extinctions.

Students learn the many ecological factors that affect the carrying capacity for populations of wild species.

Students will understand the ecological concepts behind population dynamics of wildlife species.

The Ecological Footprint is rooted in the fact that all renewable resources come from the earth. It accounts for the flows of energy and matter to and from any defined economy and converts these into the corresponding land/water area...

The Cape Fear Estuary drains the largest watershed in North Carolina, containing 27% of the State's population. The Cape Fear River itself (about 320 km or 200 miles in length) is formed in the Piedmont by the confluence of the Haw and...

Scott Schliebe gives an in-depth look at polar bears and what may be the cause of their changing population over the past 30 years.

In this set of learning modules, students examine the impact of hurricane weather on the El Yunque rainforest in Puerto Rico. They learn about hurricanes, producers, consumers, and the food chain, and how disruptions in organisms'...

Facts about Colombia including environmental issues, background, geography, ecology and biodiversity, people, economy, natural resources, energy resources, and conflict.

Provides users with a concise list of information helpful to anyone wanting to know more about these South African ungulates. Contains scientific classification of these animals, fast facts, fun facts as well as additional information on...

Learn about the many specializations in the field of geography within its two branches of physical and human geography.