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Overfishing- basics
More Overfishing
Oyster Anatomy and Reproduction
Oysters and Environment
More Oysters!
100
The most valuable food fish.
What is Atlantic Bluefin Tuna?
100
The reason reported global fish catch increased during the 80's and 90's while regional/local fisheries reported decreases.
What is bureaucrats in China falsified data?
100
Type of circulatory system.
What is open?
100
Life zone in which oysters are found.
What is intertidal zone?
100
Type of fertilization in which oysters release sperm and eggs into the water column where fertilization and development take place.
What is broadcast spawning?
200
The number of people who depend on fish for food.
What is 1.2 billion people?
200
Year the U.S. became the first nation to identify and end overfishing and also managed to increase seafood catch in the U.S.
What is 2011?
200
Young oysters that are newly attached to their substrate.
What is spat?
200
Reasons oysters are ecologically important.
What are: clarifying water promoting seagrass growth, absorb energy from waves that could erode shorelines, and provide food and habitat for numerous estuary organisms?
200
Historical uses for oysters.
What are food, decoration, tools, weapons, building materials, etc?
300
Organisms unintentionally harvested by fishing outfits.
What is bycatch?
300
When the U.S. may interfere with a seafaring vessel traveling within the U.S.'s Exclusive Economic Zone (EEZ).
What is when the ship threatens the natural resources of the EEZ?
300
What oysters eat.
What is plankton?
300
The term used for organisms, like oysters, that can survive a wide range of salinities.
What is euryhaline?
300
How oysters eat plankton.
What is filter feeding?
400
Using fishing practices that promote future growth in fish populations. Example-Alaskan fisheries.
What is sustainable fishing?
400
Ways the commercial fishing industry has attempted to deal with declining fish stocks. These methods have lead to further decline.
What are advancing technology, exploited new fisheries, and fish farming?
400
Where oyster eggs develop.
What is the water column?
400
Three major threats to oysters.
What are: disease, pollution, habitat destruction, overharvest, sedimentation, rising salinity, predators, etc.?
400
Temperature at which oysters spawn.
What is 80 degrees F?
500
The purpose of marine reserves.
What are provide area where fishing cannot take place, to preserve marine areas for study and tourism, and to provide areas for fish to restock?
500
The event that took place in 1992 in New Foundland, and the impact of that event.
What is a moratorium was placed on cod fishing? Thousands of jobs were lost and the fish never came back.
500
The stage in an oyster's life cycle- after embryos have broken free from the egg membrane.
What is larvae?
500
Type of ecosystem best suited for oysters.
What are estuaries?
500
Kingdom, Phylum, and Class of oysters.
What are: Animalia, Mollusca, Bivalvia?