Difference between revisions of "ExtinctMammals"

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(Causes)
(On Humans)
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=== On Humans ===
 
=== On Humans ===
 +
• 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)
  
 
=== On Ecosystems ===
 
=== On Ecosystems ===

Revision as of 01:41, 1 March 2016

Extinct Marine Mammals

Past Extinctions

Causes

Effects

On Humans

• 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)

On Ecosystems

Connection to Coral Reefs

Prevention