How did people keep large whales afloat during the 1880s?
They pumped air into their dead bodies.
Is coral bleaching a good or bad thing?
Bad
What is Aquafarming?
The procsses of raisng fish, alge, or prawns to eat them.
What were the first fishing technologies ?
A hook, a line or a spear (any of the three is correct)
What are Fish Stocks?
A group of fish of the same species that live in the same area
How did people mainly use whale oil during the 18th century in the US?
Mainly used for lighting
___________ is causing Coral Bleaching events to happen more frequently
Climate Change
How has aquafarming and fisheries helped us?
It has let us provide fish to feed the population without completely over overfishing the oceans.
Fill in the blanks :
Discarded fish are often __________ species.
Unmarketable
What are discards?
Discards are fish caught unintentionally that get thrown back in the water
How long ago did humans start eating fish?
40,000 years ago
What effect did seeing coral bleaching have on Ritchie?
It shocked and devastated her.
What is "fish in fish out"?
A ratio that compares the number of fish to put in to fisheries that you need to get one out.
When did fishermen start using the first big fishing boats ? (Century)
The 15th century.
What is a moratorium?
A temporary prohibition of an activity.
Where did scientists find carvings of humans whaling? Bonus points of you give us how long ago it was.
Bangudae, South Korea. 6000 BC
40 years ago, coral bleaching events could be expected to happen every 27 years now they could be expected to happen every ____ years.
6
Why don't some people like fisheries?
Because the welfare standards are low and they slaughter lots of fish
In what year did steam trawlers appear in the UK ? (Nearest 10 years)
In the 1880s.
Define a global collapse.
When the amount of fish caught falls to 10% of the highest recorded level in history.
By how much percent did the blue whale's population fall because of the whaling industry? (One digit after the decimal point)
98.5%
Corals support ___ percent of Marine life.
BONUS: What percentage of the ocean floors do corals cover
30%
BONUS: 0.5%
In France in 2023, what industry of aquafarming had the most enterprises?
Bonus: Which industry made the most mone?
Crustaceans and Prawns
Bonus: Fish
Around how much percent of caught fish is discarded ?
10%
What is the maximum sustainable yield?
The point where we can catch as much fish as possible without depleting their populations.