Increasing Salinity in a Changing Climate Likely to Alter Sundarban’s Ecosystem

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  • The salinity of river water and soil in Bangladesh’s low-lying southwest coastal region is increasing over time, and will aggravate further with sea-level rise in a changing climate.
  • The increase in salinity will reduce the Sunderbans’ key species Sundri, the forest’s highest-value timber species, and increase saline-tolerant species Gewa, Baen and Goran.
  • The progressive water salinization will change the availability of many freshwater fish species, thereby depriving the poor of their main source of protein, and adversely impacting the incomes of families. The poor populations that will lose freshwater fish species are about six times greater in number than those who will be gaining brackish fish species.

 

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