Curated OER
Managing Ecosystems
Young scholars take a closer look at managing ecosystems in Britain. In this geography skills lesson, students determine how applying climax vegetation theories to the Salisbury Plain have helped or hindered the area.
PBS
Pbs Teachers:costa Rica: Volcanos and Soil Formation
Examine why newly-formed lava has little plant life, explain why one generation of plant life allows subsequent plant life to grow in an area and determine why organic soil formation is a slow process.