ENWC201 Lecture Notes - Lecture 10: Trophy Hunting, Passenger Pigeon, Ivory
16 May 2018
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Lecture 10: Overexploitation
• Elephant ivory
o Illegal trade in Africa
o 8-9 years poaching again for the trade
▪ china driving it now
o driven by the market
o similar to a war
• species lost forever
o passenger pigeon
• overexploitation
o living off the land or seas in a manner that can not be sustained
o the hunting, trapping, collecting and fishing of wildlife at unsustainable levels
o biggest threat for marine systems
▪ second only to habitat loss and destruction for terrestrial birds, mammals
and plants
• temperate terrestrial systems
o
o countries in pink
o most of the more developed countries
o hunting in the united states
▪ mostly well controlled management
▪ necessary in modified environments
• altered vegetation
• limited disease
• removed predator species
o still thriving markets for wildlife species in other countries
▪ harvesting of song birds
o soviet countries
▪ replace food with natural populations
o trophy hunting
▪ not well managed
o
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