Difference between revisions of "ExtinctMammals"
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===Causes=== | ===Causes=== | ||
• Overexploitation seems to be the main issue – loss of fish from overfishing and poor practices can destroy ways of life, jobs, industries, etc. | <nowiki>• Overexploitation seems to be the main issue – loss of fish from overfishing and poor practices can destroy ways of life, jobs, industries, etc. | ||
• Marine mammals are often caught as bycatch | • Marine mammals are often caught as bycatch | ||
• Unregulated harvest | • Unregulated harvest | ||
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• Poverty and the collapse of other industries can lead to abrupt changes in local fishing conditions – may start to prey on marine mammals once their value as food and bait is noticed | • Poverty and the collapse of other industries can lead to abrupt changes in local fishing conditions – may start to prey on marine mammals once their value as food and bait is noticed | ||
o Unregulated and unsustainable (Merritt) | o Unregulated and unsustainable (Merritt) | ||
o Peruvian dolphins; anchovy fisheries collapsed so people started hunting dolphins; led to depletion in population (Merritt) | o Peruvian dolphins; anchovy fisheries collapsed so people started hunting dolphins; led to depletion in population (Merritt)</nowiki> | ||
== Effects == | == Effects == | ||
Revision as of 01:39, 1 March 2016
Extinct Marine Mammals
Past Extinctions
Causes
• Overexploitation seems to be the main issue – loss of fish from overfishing and poor practices can destroy ways of life, jobs, industries, etc. • Marine mammals are often caught as bycatch • Unregulated harvest • new and innovative solutions to this problem are required to take account of the socioeconomic conditions experienced by fishermen” (Merritt) • Issue of regulation versus deregulation – looking at pros and cons of regulation seeing as it costs a lot, but is significant in saving a species o Regulation = politically unpopular (Merritt) • Poverty and the collapse of other industries can lead to abrupt changes in local fishing conditions – may start to prey on marine mammals once their value as food and bait is noticed o Unregulated and unsustainable (Merritt) o Peruvian dolphins; anchovy fisheries collapsed so people started hunting dolphins; led to depletion in population (Merritt)