which of the following describes the water in estuaries ?

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16-04-2024
Biology

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which of the following describes the water in estuaries ?

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nunesmathiasjustin72 nunesmathiasjustin72 · Answer 1 · 2024-04-16T02:33:00+02:00

Answer:

Estuaries are unique and important ecosystems where rivers meet the sea, creating a dynamic environment with distinct characteristics. Here are some descriptions of the water in estuaries:

Brackish: Estuarine water is typically brackish, meaning it is a mix of fresh water from rivers and salty seawater. This brackish water forms a gradient of salinity from the river mouth to the sea.

Turbid: Estuarine water is often turbid or murky due to the presence of suspended particles like sediment and organic matter carried by rivers into the estuary. This turbidity can affect water clarity and light penetration.

Variable Salinity: Salinity levels in estuarine water can fluctuate due to tidal influences, river flow, and other factors. Estuaries exhibit a range of salinity levels, creating unique habitats for various species adapted to different salinity conditions.

Nutrient-rich: Estuarine water is often nutrient-rich due to the input of nutrients from rivers and tidal mixing. These nutrients support diverse and productive ecosystems, including marshes, mangroves, and wetlands.

Oxygen Fluctuations: Oxygen levels in estuarine water can fluctuate, especially in areas with high biological productivity and decomposition of organic matter. Oxygen fluctuations can impact the survival of aquatic organisms in the estuary.

Explanation: