Biogeography

Biogeography is the study of the geographical distribution of plants and animals.

A photo looking up towards the sky of conifer trees on a blue sunny day.

Forecasting Phytoclimates 

Mark Altaweel

Based on a study of 135,153 vascular plant species, scientists predict 33-68% of global land will undergo major phytoclimate changes by 2070.

A grayscale map of the world with graduated symbols representing in pink observe bird extinctions, blue for fossils records, and orange for undiscovered bird extinctions.

Human-Driven Extinction of Birds

Mark Altaweel

Researchers using models an records calculate that as many as 11% of all bird species have gone extinct since the Late Pleistocene.

A map showing in orange the range of steller's jay and in blue the range of blue jay over a gray shaded relief map of the United States.

This Bird is Not the Only Crested Jay West of the Rocky Mountains

Caitlin Dempsey

Since the 1960s, blue jays have gradually extended their range past the Rocky Mountains into the western United States and Canada.

Maps showing age of forest stands (left) and estimate tree canopy heights (right).

Measuring Tree Height With a Two-Satellite Constellation

Caitlin Dempsey

Researchers are using synthetic aperture radar (SAR) data from colocated satellites to estimate tree canopy height.

A shaded relief map with green overlay showing the historic range of the American Chestnut.

American Chestnut: the Struggle to Save the ‘Redwood of the East’

Katarina Samurović

Scientists and conservationists are working to rescue the American Chestnut from going completely extinct.

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