What is the tidal mouth of a river where fresh and salt water mix called?

This question was previously asked in
RPF SI (2018) Official Paper (Held On: 24 Dec, 2018 Shift 1)
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  1. Arid
  2. coast
  3. Estuary
  4. Lagoon

Answer (Detailed Solution Below)

Option 3 : Estuary
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Detailed Solution

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The correct answer is Estuary

Key Points

  • An estuary is the tidal mouth of a river where fresh and salt water mix.
  • Estuaries are typically found at the coastlines where the river meets the sea.
  • They are crucial ecosystems that support a diverse range of wildlife, including fish, birds, and invertebrates.
  • Estuaries also act as natural buffers, protecting inland areas from storm surges and coastal erosion.

Additional Information

  • Estuaries are highly productive environments due to the mix of nutrient-rich freshwater and saltwater.
  • They often serve as nurseries for many marine species, providing a safe habitat for young fish and other aquatic organisms.
  • Human activities, such as urban development and pollution, pose significant threats to estuary environments.
  • Conservation efforts are essential to maintain the health and biodiversity of estuaries.
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