Upwelling Zones Are Frequently Dead Zones Because High Nutrients Produce

question 25

True/False

Upwelling zones are frequently dead zones because high nutrients produce biologic activity leading to anoxic water conditions.

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Definitions:

Ballast Waters

Water carried in ships' ballast tanks to improve stability and balance, which can introduce invasive species when discharged in new locations.

Great Lakes

A group of five large freshwater lakes located on the border between the United States and Canada, consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, which together form the largest group of freshwater lakes by area in the world.

European Ships

Maritime vessels originating from European countries, historically significant for exploration, trade, and cultural exchange.

Salmon Farming Operations

The commercial breeding, rearing, and harvesting of salmon in controlled environments or enclosures.