This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: o Greater amount of edge for the area of habitat o The center of each fragment is closer to an edge o A formerly continuous habitat with large populations is divided into smaller areas with smaller populations Negative Effects of Habitat Fragmentation 1. Limits to dispersal and colonization 2. Restricted access to food and mates 3. Division of populations 4. Microclimate changes 5. Increased incidence of fire 6. Interspecies interaction 7. Potential for disease Habitat Degradation-Used in agriculture-Widely dispersed-Damage wildlife-Pert build resistance-Harmful in humans-Silent spring, Rachel Carson (1962) Water pollution-Pesticides-Sewage-Metals-Detergents Eutrophication-Nitrates-Algae-Bacteria-Dead zones Air pollution-Acid rain-Ozone and smog-Toxic metals Global climate change-Greenhouse gases-Global warming-Climate change...
View Full Document
- Spring '10