Biogeography

Biogeography is the study of the distribution of animals.

The natural diversity of large mammals is shown as it would appear without the impact of modern man (Homo sapiens). The figure shows the variation in the number of large mammals (45 kg or larger) that would have occurred per 100 x 100 kilometer grid cell. The numbers on the scale indicate the number of species. Credit: Soren Faurby

Map of the World Without Humans

Elizabeth Borneman

In a world without humans, elk and buffalo would roam the Great Plains and elephants might still trumpet across Europe.

Variation in spider size. Photo: Elizabeth Lowe

The Urban Heat Island Effect is Triggering Larger and More Spiders

Elizabeth Borneman

Researchers in Australia have found that the urban heat island effect results in larger and more abundant spiders.

GAP ecological gap analysis map. Map: USGS.

Gap Analysis

Elizabeth Borneman

Gap analysis in ecology identifies areas where species lack protection, comparing actual habitats to areas conserved in order to guide conservation efforts.

Theory of Island Biogeography illustrated in a graph. Graph: Wikipedia.

Island Biogeography

Elizabeth Borneman

The biogeography of islands is a fascinating topic that extends to more than just island locations. The ‘island’ part of ...

Caused by Monarch butterflies in flight?

Mass Movements So Large You Can See Them on Radar

Caitlin Dempsey

The U.S. National Weather Service in Saint Louse, Missouri recently reported that a butterfly shaped pattern on its radar was the result of... butterflies.