Module 13: Invasive Species Reading

• Is Singer or Regan utilitarian?

  Singer
• Is Singer or Regan the first to discuss animal rights?

  Regan
• Does Singer or Regan believe subjects of a life possess rights?

  Regan
• Does Singer or Regan belive all sentient organisms deserve moral consideration?

  Singer
• anthropocentric views: put humans and human interests at highest consideration
• ecocentric views: place more value on environment
• what was the final agreed upon gray squirrel management?

  • live trapping
  • anesthesia and euthanasia
• why did gray squirrel eradication not work?

  legal struggles prevented managers from acting before population was too large to control
• how are mute swans controlled?

  • making eggs nonfertile by shaking
  • lethal control of adults when degrading environment
• what hindered mute swan regulation?

  federally protected under migratory bird treaty act
• why did feral pigs need to be managed?

  damage ecosystem by rooting vegetation and compete with native species for food
• what did animal rights and managers agree on for feral pig management?

  protection of native landscape justified removal
• what did animal rights and managers not agree on for feral pig management?


  public hunting and use of carcasses for human consumption
• what do animal rights activists and conservation biologist have in common?

  • focus on green issues
  • value nature and living organisms over some economic consideration
  • view humans as preservers and supporters of natural resources
• animal rights philosophy focuses on welfare of individual animals
• managers deal with populations and communities
• reactive approach: animal rights organizations become involved after introduction has occured
• proactive approach: wildlife managers address issue prior to arrival or establishment of invasive species
• how are invasive native species managed?

  ongoing control