Hypercapnic Hypoxia in Mangroves

Hypercapnic Hypoxia in Mangroves Latest News

A new study revealed that most mangrove sites are already experiencing mild or severe hypercapnic hypoxia.

About Hypercapnic Hypoxia in Mangroves

• Hypercapnic Hypoxia is a high CO₂ and low oxygen state.
• It pushes estuaries into a stressful chemical state.
• It mostly occurs during low tide, at low-salinity sites and in warm tropical regions.
• Causes: Rising Co2 level due to climate change and Temperature Increase
• Impact Hypercapnic Hypoxia on Biodiversity
  • It threatens fish nurseries in mangrove ecosystems
  • It reduces biodiversity and habitat quality for fish
  • Impacts fisheries and livelihoods of millions
  • It shifts mangrove species composition away from large reef-associated species.

What are Mangroves?

• • Mangroves are salt-tolerant trees and shrubs that grow in coastal intertidal zones, primarily in tropical and subtropical regions.
  • These unique ecosystems thrive in saline or brackish waters, withstanding harsh environmental conditions such as tidal fluctuations, high salinity, and low oxygen levels in the soil.
  • Mangrove forests act as a crucial buffer between land and sea, providing habitat for various marine and terrestrial species.

Source: DTE

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