Apologia Marine Bio mod 15

the unwanted fish and other marine creatures caught during commercial fishing for a different species.

Areas of costal upwelling- greatest supply of nutrients, Wide continental shelves - easy to get to by man

because of their small size, they are mostly ground into a fish meal that is used as a protein supplement for other foods

when a pod of dolphins was spotted, there would be a school of yellow fin tuna right below them, so a net was used to catch the tune (and dolphin)

Small plankton eating fishes that travel in large schools. Anchovies, sardines, herrings

fishing that uses a net, called a seine, that hangs vertically in the water with its bottom edge held by weights, and a draw string at the top to close it

Resources that are not capable of replacing harvested numbers. minerals, natural gas,

Resources that can naturally replace harvested numbers.

Marketing - advertisers gave it a more appealing name (Cherry Snapper)

farming marine organisms where conditions are subject to weather, pollution and changing seasons

more controlled, risks: dense populations-disease, accumulation of waste, very expensive, can't accommodate organisms with changing needs

floating mainlines extending for 100km on the ocean surface, mainline has 2000 vertical lines with baited hooks.

farming marine organisms where the environment is completely controlled by the farmer

the size of a natural population at which it produces a maximum rate of increase, typically at half the carrying capacity.

a water purification process that uses a partially permeable membrane to separate ions, unwanted molecules and larger particles from drinking water.

turbines that harness the energy of ocean waves and turns it into electricity

a method of fishing that involves pulling a fishing net through the water behind one or more boats. dragging it on the bottom

The number of individuals in a population that can be harvested without reducing the size of the population or letting it grow

The use of farming techniques to grow and harvest marine animals and plants

large bottom dwelling fishes. Cod, pollock, haddock and Hakes

aquaculture is related to freshwater, mariculture is identified with seawater

Creative marketing to consumers increases demand for fish that may not initially be attractive to certain cultures

Resources found up to 200 miles off shore belong exclusively to that country