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Marine pollution occurs when harmful, or potentially harmful, effects result from the entry into the ocean of chemicals, industrial, agricultural and residential waste, noise, or the spread of invasive organisms and from nonpoint sources such as agricultural runoff, wind-blown debris and dust.
Many potentially toxic chemicals adhere to tiny particles which are then taken up by plankton and benthos animals, most of which are either deposit or filter feeders. In this way, the toxins are concentrated upward within ocean food chains. Many particles combine chemically in a manner highly depletive of oxygen, causing estuaries to become anoxic.
Related Journals of Marine Pollution