DPSIR model to analyze anthropogenic and nature oriented factor’s influence on provisioning and cultural ecosystem services of Sundarbans East Reserve Forest, Bangladesh

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2021
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The Sundarbans forest placed in the southeast of Bangladesh and one of the prime blocks of mangrove forests in the world. It provides important ecosystem services supporting the livelihood of local communities. This forest ecosystem in Bangladesh is now in critical situation due to anthropogenic as well as nature-oriented factors. This study aims to analyze anthropogenic and nature-oriented factors that influence on provisioning and cultural ecosystem services of Sundarbans, that affect the livelihood of local peoples, and also to define economic estimation of the provisioning and cultural amenities of Sundarbans east reserve forest, Bangladesh. The greatest provisioning amenities of the Sundarbans are fuel-wood, fishes, waxes, crabs, honey, and the key cultural facility is tourism. This is a comprehensive study to establish different indicators which impact on provisioning and cultural ecosystem amenities of Sundarbans East Reserve Forest, by use of the DPSIR model. The unique characteristics of Sundarbans mangrove forest, existing forces prominent to a deterioration in ecosystem services by using Driver-Pressure-State-Impact Response (DPSIR) to identify key characteristics of Sundarbans mangrove forest social-ecological structures and analysis in what way these should be encompassed in ecosystem valuations. Authorized manuscript of revenue composed from The Sundarbans East Forest Division, Bagerhat were the bases of the data that utilized in the financial assessment of the mangrove forest. The provisioning and cultural amenities delivered by the Sundarbans assisted to income of the Sundarbans East Forest Division on an expectation of US$ 59563.99 and US$ 55,874.92 for each year separately through the fiscal year 2001-02 to 2019-20. The income earned from the provisioning and cultural amenities indicated aggregate tendencies during the study era, apart from fuel woods. But some the pressures and forces, both anthropogenic as well as natural oriented, sustain the influence of flow and quality of the ecosystem services. Because of illegal cutting as well as illegal fishing practices, vegetation density and fish production are decreasing day by day, which impact their daily livelihood, because there is no alternative ways of earning. Hence, there is an urgent need to provide alternative income to the forest resources depended on people.
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Environmental Science and Management
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North South University
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