HARVESTING THE OCEAN

Good Essays
HARVESTING THE
OCEAN
BY:

SHUN ITCHIGAWA

AQUACULTURE
• the use of agricultural techniques to breed and raise marine organisms.
• is the farming of freshwater or marine organisms.
-MONOCULTURE
-POLYCULTURE

what is the important of aquaculture? It supply commercial species to the world’s markets.

Common Aquaculture in the World
• Fish aquaculture- raising fish commercially in tanks, ponds, or ocean enclosures.
- carp, salmon, tilapia and catfish.
• Raft culture- aquaculture using floating rafts for shallow-sea farming.
-seaweeds and filtering organisms

FISH
AQUACULTURE

RAFT
CULTURE

• Shrimp Farming- raising of shrimp or prawn in tanks, ponds and ocean enclosure.
It is the second largest industry in Ecuador.
-shrimp and prawn
• Eco-friendly Aquaculture- using sewage waste, artificial upwelling to concentrate nutrients in the water.
• - oysters

SHRIMP
FARMING

ECOFRIENDLY
AQUACULTUR
E

Problem associated with
Aquaculture
• Conversion of mangrove ecosystem into agricultural sites like farms
• Pollution via accumulation of waste
• Disrupting ocean ecosystem

SALT AND
WATER

NONFISHERIES PRODUCTS:
• Salts (table salt)- is an ionic compound composed of one atom of sodium (Naˉ) and one atom of chlorine (Cl+) which is responsible in the salinity of seawater.

• (Naˉ) + (Cl+) = NaCl (table salt)
• Water- is composed of two atoms of hydrogen (Hˉ) and one atoms of oxygen (O+) bind together by hydrogen bond. • 2(Hˉ) + 1(O+) = H2O

SALT





30% of the world’s supply sea salt is extracted and refined to produce table salt. processed commercially
Provides flavor to our daily meal.

WATER
• Sea provide vast reservoir of water when salt is removed.
• It can be used in irrigations
• Provide us a potable water
DESALINATION- process of removing salt from the sea water to produced water.

MINERAL
RESOURCES

• The oceans contain large amounts of minerals, but not all of them can be easily obtained for commercial use.
• About 60% of the world’s supply of

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