Transcript Lecture 9: Landscape ecology

Landscape ecology
Outline:
• Landscapes
–Borders and edges, fragmentation, patch size, diversity
• Island biogeography
• Corridors
• Disturbance
Readings: Chapters 19
A mosaic of patches
Borders between patches
Indigo bunting
Patch size and shape crucial to species diversity
woodland
grassland
Theory of island biogeography
Theory of island biogeography
Corridors
butterfly
Disturbance shapes landscapes
Disturbance
regime
•Intensity
•Scale
•Frequency
Landscapes are shifting mosaics
Geographic information systems:
powerful tool to study landscapes