Water Quality and Pollution

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What are bioindicators?

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Bioindicators are living organisms used to assess the health of an ecosystem, particularly water quality.

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What is brackish water?

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Brackish water is a mixture of saltwater and freshwater, typically found in estuaries.

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What is a watershed?

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A watershed is an area of land that drains rainwater and snowmelt into a common water body, such as a river or lake.

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What is a river basin?

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A river basin is the land area drained by a river and its tributaries.

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Where is most of Earth's fresh water located?

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Most of Earth's fresh water is found in ice caps and glaciers.

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What role do estuaries play in marine ecosystems?

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Estuaries serve as nurseries for many marine species, providing a safe environment for young fish to grow.

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What is salinity?

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Salinity is the measure of the amount of salt in water, often expressed in parts per thousand (ppt).

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How do human activities impact water quality?

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Human activities such as pollution, deforestation, and urbanization can degrade water quality by introducing harmful substances.

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What is the significance of aquifers?

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Aquifers are underground layers of water-bearing rock that store fresh water, crucial for drinking water supplies.

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What is the water cycle?

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The water cycle is the continuous movement of water through evaporation, condensation, precipitation, and infiltration.