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Environmental and anthropogenic impact on conservation and sustainability of marine fish diversity

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Abstract

Marine fish biodiversity and conservation linked to human livelihoods along the coast were studied in 2019 using a survey and personal interviews to investigate the effects of environmental and anthropogenic issues on changes in marine fish diversity that affect sustainability. The Zoological Survey of India (ZSI) authenticated 42 finfish, 6 crabs, and 1 shrimp from three groups collected along the coastal zone. The estimated fish species diversity index revealed that alpha and beta biodiversity were more prevalent in the study zone than gamma fish diversity. When the collected fish species were compared to the International Union for Conservation of Nature (IUCN) threatened lists, 51% were found to be least concerned. The variation in the livelihood status, age group, religious, education, houses, training, graft, and gear of fishermen was 93.6% and 4.3%, respectively, according to the principle component analysis. The observation of 51% of the least concerned species in the study zone suggests species declination as a result of overexploitation of natural resources. The study suggests that strict conservation measures be put in place to ensure the sustainability and conservation of fish diversity.

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The analyzed datasets generated during the study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors are grateful to the Center for Environmental Nuclear Research, Directorate of Research SRM Institute of Science and Technology, Kattankulathur-603203, for their constant encouragement and support in the pursuit of environmental research, and the fish samples are authenticated in a zoological survey of India, Chennai. F. No 4-49\2015\tech.\988.

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Kumar Pandion, Kantha Deivi Arunachalam, and Balasubramani Ravindran conceived and designed the experiments and collected and analyzed the samples. Ramamoorthy Ayyamperumal, Soon Woong Chang, Woo Jin Chung wrote the paper and did the language editing. Rajinikanth Rajagopal and Francisca Kalavathi analyzed the data and language editing.

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Correspondence to Kantha Deivi Arunachalam or Balasubramani Ravindran.

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Pandion, K., Arunachalam, K.D., Ayyamperumal, R. et al. Environmental and anthropogenic impact on conservation and sustainability of marine fish diversity. Environ Sci Pollut Res (2022). https://doi.org/10.1007/s11356-022-21260-4

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  • DOI: https://doi.org/10.1007/s11356-022-21260-4

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