Notes on Fragmentation (Class Presentation)

Fragmentation

Causes:

  • Agriculture:
    • Globally: Forests mainly deforested (50% of all forests cut down over the last 300 years) due to agriculture

 

  • Pollution:
    • Acid rain impacts natural communities
    • Humans poison water with toxic materials

  • Fragmentation can lead to more recessive lethal alleles
    • pollinator populations declined and reproductive success lowered

Solutions:

  • Corridors connect gene pools
    • increases plant biodiversity

  • Green roofs

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