10/8 Lecture
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Sixth Mass Extinction
an ongoing extinction event caused exclusively by human activities (loss of biodiversity)
Causes of Loss of Biodiversity
deforestation, overfishing, wildlife poaching, invasive species, climate change
Invasive Species
often outcompete local species because they have no natural predators
Effects of Loss of Biodiversity
decreases services of nature, accelerated extinction rates, zoonotic diseases, food security threats, loss of medicinal plants that we might not even know about
CITES (Conference on the Human Environment)
UN conference with the goal of ensuring that imports and exports of animals and plants don’t threaten populations in the wild
Challenges of Biodiversity Treaties
lack of enforcement, international cooperation, illegal wildlife trade
Endangered Species Act
regulates activities involving hunting, trapping, killing, and harassing species
Charismatic Species Preservation
most ESA money goes to species that people like more
Seed Banks
storage environments to preserve genetic information