FISHERIES By: Alyssa George.

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Presentation transcript:

FISHERIES By: Alyssa George

What is Fishery? What is Overfishing? Fishery – An area with a large population of valuable ocean organisms. Overfishing – To fish to such a degree as to upset the ecological balance or cause depletion of living creatures.

Where are the major fisheries? Grand Banks off Newfoundland Georges Bank off New England Monterey Canyon off California

What is Sustainable Yield? Sustainable Yield – A regular amount of a renewable resource that can be harvested without reducing the future supply.

How to maintain a sustainable yield. Fisheries can maintain a sustainable yield by people not overfishing in lakes, oceans, rivers or ponds. For example trees are being cut down to make paper. The best way is to replant the trees that were cut down so we won’t run out of trees in the future.

What is Commercial fishing? Commercial fishing – is the activity of capturing fish and other seafood for commercial profit.

Equipment used for commercial fishing Harpoons Anchors and chains Crab and shrimp traps Bait Buoys and fenders Cutting tools Hooks Longline reels Rope Bottom fishing reels Gaffs Cutlery (knives) Gear that the Fishermen wear Gloves Rain Gear Boots Crab and Shrimp Gear Miscellaneous items on the boat Electronics Electronic lures Light sticks Lead Weights

What is Aquaculture? Aquaculture – The practice of raising fish and other water organisms for food. A farm but…. with fish

Cons about aquaculture Not the perfect solution PROS Cons about aquaculture Not the perfect solution The artificial ponds and bays replace their natural habitats Maintaining these farms can cause pollution Spread diseases into wild fish populations Pros about aquaculture The fish live and are raised in artificial ponds or bays Salmon, catfish, and shrimp are farmed in the fish farm way (aquaculture)

Credits Fisheries powerpoint by: Alyssa George Special thanks to Google Powerpoint 2003 and Ms. Balogh for this project

BYE