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Appunti chemical and physical factors of the marine environment
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- Abiotic factors affecting marine organisms include temperature, salinity, oxygen, light, and cycles; they can cause significant changes, especially in coastal areas where parameters change rapidly.
- Physiological performance measures how organisms respond to stress: initial receptor response followed by behavioral, biochemical, physiological, and gene regulation responses leading to acclimation, which may result in a new equilibrium or death.
- Temperature is crucial for marine organism distribution and abundance; it varies latitudinally (high T at low latitudes, low T at high latitudes), vertically (surface layer, thermocline, deep water), regionally, seasonally, and due to short-term changes. Homeotherms regulate body temperature internally, while poikilotherms conform to environmental temperatures.
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