ENV100Y5 Lecture Notes - Lecture 14: Tangled, Fish Farming, Ecological Footprint
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ENV100Y5 Full Course Notes
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Document Summary
The farming of aquatic organisms in inland and coastal areas, involving intervention in the rearing process to enhance production and the individual or corporate ownership of the stock being cultivated. Examples: intensive shrimp farming in baja, california raising tilapia. Includes fish, molluscs, crustaceans, aquatic plants (567 spp worldwide) Inland aquaculture growing faster than marine (developing world) Accounts for ~50% of all fish used for food. Fish makes up 17% of the global population"s intake of animal protein. Per capita fish consumption has doubled since 1960. Fish are used for many other non-food uses. We are increasing aquaculture, this comes at a cost. The amount we capture is levelling off, we are reaching a limit to how much we can take out of the water, what are we gonna do about it. Increase in aquaculture is a response to declining wild fisheries. Non-fully exploited fish stocks are decreasing dramatically while overexploited fish stocks are rising, currently at 30%
