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Human impact on wildlife habitat
- 1. Human Impact on Wildlife Habitat
- 2. Habitat Destruction • Construction • Agriculture • Mining • Timber Harvest • Pollution
- 3. Encroachment • The sprawl of human living space places pressure on wildlife habitat • 2 million acres of farmland is developed every year • Farmland in light production makes excellent wildlife habitat • Intensive agriculture allows for less habitat
- 4. Fragments • When wildlife habitats are broken into small pieces and separated from each other • Creates population problems • No immigration or emigration • Reduced reproductive pool • Decreased species diversity • The biggest wildlife habitat problem in Fauquier County
- 6. Wetlands • Viewed as wasteland for centuries • Extremely productive wildlife habitat • Many drained and filled for development • ½ of all wetlands have been lost
- 7. Benefits of Wetlands • Wildlife habitat • Slow destructive power of floods and storms • Purify polluted waters • Provide recreational opportunities
- 8. Wetland Preservation • Duck stamps must be purchased by duck hunters • Money is used to buy or lease wetlands • State and Federal Laws prohibit alteration of wetlands
- 9. Forests • East coast of the US was nearly completely forested before colonists arrived • Land was cleared for development and agriculture • Many species were impacted – Especially Deer and Turkey • It takes 100s of years to completely regenerate forests • Need careful management to allow for harvest and protect habitat
- 10. Habitat Alterations that Benefit Wildlife • Agriculture residues provide food for wildlife • Ground birds and small mammals benefit from grassland habitats • They provide food for predators • Field corners that ate not mowed or plowed provide cover • Clearing forest tracts allows for diverse wildlife populations