Renewable biological resource Flashcards
What is the keystone species?
Krill
What is its biomass estimated as?
More than the human race
How big are the swarms they exist in?
2 million tonnes up to 400km squared
What type of consumer is it?
Omnivorous
What are humans uses for it?
Commercial harvesting (1970s)
Products for consumption, animal feeds or fishing bait
Who has 50% of the annual catch?
Norway
Who get 18% of the catch each?
South Korea
China
What were there concerns about in the 1970s/1980s?
Boom bust cycles
What threshold were there worries about exceeding?
Sustainable fishing threshold
What was established in 1982?
CCAMLR
Why are catch limits contested?
Norway Krill company says there’s no scientific evidence that the krill fisheries pose a threat to the Antarctic ecosystem
What percentage of the total biomass around the peninsula has been caught?
0.4%
What is the CCAMLR’s Total Allowable catch for each fishing season?
620,000
Who are debates heated between?
Greenpeace NGOs and profit copmanies
What do Greenpeace want Antarctica to become?
2 million km squared
Marine reserve