ISSN : 2663-2187

“A Silent Threat: Plastic Pollution in the Littoral Zones of Uttara Kannada, Karnataka”

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J L. Rathod and Sujal K. Revankar
» doi: 10.33472/AFJBS.6.5.2024. 1820-1830

Abstract

Karwar Coast is the headquarters of the Uttara Kannada District and is described as Karnataka’s Kashmir by the Nobel laureate Rabindranath Tagore for its scenic beauty which makes perfect tourist destination. Every year thousand tonnes of garbage composed of plastics, glass, metals, sanitary, clothes etc reach the oceans and the plastics contribute more than 60% of the total garbage that finds its pathway to the ocean in this region. The Coastal cleanup activities were carried out in two different beaches i.e. Aligadda beach and Rabindranath Tagore beach during years 2018, 2019, 2021, 2022 and 2023 by staff and students of Department of studies in Marine Biology. An area of 1 km beach was chosen for collection of litter in all the listed beached during respective years. During the year 2018 (Aligadda Beach) total of 4000 Kg litter was collected and observed in the following order Plastic items > Fishing materials >Food Wrappers = Clothes & Shoes > Burnt Crackers. Whereas in the year 2019 (Rabindranath Tagore Beach) total of 451Kg litter was collected and observed in the following order Plastic items = Food Wrappers > Miscellaneous waste > Beverage Glass bottles > Clothes & Shoes > Fishing Materials. Total of 1043 Kg of litter was collected in the year 2021(Rabindranath Tagore Beach) which was observed in following order Miscellaneous waste > Plastic items > Clothes & Shoes > Beverage Glass Bottles > Fishing Materials > Beverage Plastic Bottles. Where as during year 2022 (Rabindranath Tagore Beach) total of 451Kg litter was collected and observed in the following order, Plastic items > Beverage Glass bottles > Clothes & Shoes > Food Wrappers > Beverage Plastic Bottles. During the year 2023(Rabindranath Tagore & Aligadda Beach) total of 597.35Kg and 497.3 Kg was collected respectively, of which Plastic items and Food wrappers dominated in Rabindranath Tagore Beach, whereas Plastic and Fishing Materials dominated in Aligadda Beach. From the above observation it can be stated that the debris is more of tourism based wastes in Tagore beach and fishing items in the Aligadda beach.

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