#marine bio notes

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Advantages of Shrimp Life Stages

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Turbidity

-- turbidity = the cloudiness of water or other fluids due to the presence of particles

-- large amounts of sediment, particles, or living organisms reduces light penetration

-- estuary and coastal water typically has greater turbidity than open ocean water

-- Secchi disc measures light penetration      -- white disc attached to a rope      -- lowered into the water until it is no longer visible      -- disc is raised until it is visible again      -- average distance is calculated

-- in areas with high turbidity / low light penetration, producers must live higher up to photosynthesize

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Wave Types Vocabulary

Deep-Water Waves -- a wave that travels in water that is deeper than one half of its wavelength

Intermediate Waves -- have characteristics of deep-water and shallow-water waves

Progressive Wind Waves -- waves generated by wind, restored by gravity, and progress in a particular direction

Shallow-Water Waves -- a wave that travels in water that is less than 1/20th of their wavelength

Rip Currents -- areas of rapid seaward-flowing water

Internal Waves -- waves forming under the surface

Standing Waves -- waves that do not progress because they form in enclosed bodies of water

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Aquaculture Systems

Cages -- organisms are placed into nets or cages -- located in open, natural water -- natural water flushes out waste and brings oxygen and some food into the cage

Ponds -- organisms are placed into a specially dug outdoor pond -- ponds may be made out of a variety of materials      -- earth      -- concrete -- may be totally or partially separated from natural water

Indoor Tanks -- organisms are placed into tanks -- isolated from natural water -- water is pumped in -- waste water is passed through filtration systems

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