'Sentinels of the sea' at risk from changing climate- Source, Environmental research letter Journal
Summary :-Climate change's effect on coastal ecosystems is very likely to increase mortality risks of adult oyster populations in the next 20 years.
Summary :-Climate change's effect on coastal ecosystems is very likely to increase mortality risks of adult oyster populations in the next 20 years.
- The article talks about the relationship between climate variability and historical mortality of adult oyster on the French Atlantic cost from 1993 to 2017.
- Oyster build reef habitat which sustains a high biodiversity and provide tremendous food source world wide through fishing or aqua-cultural activities.
- But they are very sensitive to climate and water quality as they cannot move if a location become inhospitable.
- Positive North Atlantic Oscillator (NAO) leading to milder temperature have a long lasting effect on the biological and environmental factors influencing oyster mortality.
- The storms also caused more freshwater to flow from rivers into seas which impacts the oysters by lowering the salinity of the water.
- The near future looks bleak without the clear reduction of the greenhouse gas emission.
- Rapid actions should be taken to avoid further damage to many sensitive and vulnerable coastal ecosystem.
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