Fish Productivity and Biodiversity Status of Sundarban Mangrove in Bangladesh

Authors:

DOI: 10.23880/ijoac-16000348

Volume 9, Issue 1

Abstract

The Bay of Bengal's Sundarbans, the biggest area of mangrove forest, are home to a diverse range of plant and animal species that serve the local community on an ecological, environmental, and economical level. Increased human activity, industrialization, and climate change have all had a major impact on the Sundarbans' biodiversity in recent years. They have also changed the natural equilibrium and endangered the ecosystem and its species. The goal was to assess the impact of climate change on the yearly fish productivity and overall fish biodiversity by comparing the changes in the physico-chemical characteristics of the Sundarbans waters. Between 2018 and 2023, titrimetric kits were used to assess the chemical-physical characteristics in the research area. Three coastal regions were used to gather and estimate the total amount of fish produced, including shrimp and crab. Using digital techniques, literature searches, and both published and unpublished reports, the secondary data was gathered. Fish biodiversity was measured using scientific literature, and dichotomous key analysis was used to identify the species. Poison fishing and hazardous fishing gear and nets pose a harm to the Sundarbans' aquatic life. The findings indicate that between 2018 and 2023, as temperatures rise, total fish output and chemical-physical parameters rise but total biodiversity falls. The aforementioned evidence underscores the necessity of implementing strategic interventions in the Sundarban region to mitigate the harm caused by climate change on biodiversity reduction.

Keywords: Physico-Chemical Parameters; Climate Change; Biodiversity; Fish Productivity; Crab and Shrimp Production

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