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COVID-19 lockdown improved the health of coastal environment and enhanced the population of reef-fish.

ABSTRACT: Reduction in the impact of human-induced factors is capable of enhancing the environmental health. In view of COVID-19 pandemic, lockdowns were imposed in India. Travel, fishing, tourism and religious activities were halted, while domestic and industrial activities were restricted. Comparison of the pre- and post-lockdown data shows that water parameters such as turbidity, nutrient concentration and microbial levels have come down from pre- to post-lockdown period, and parameters such as dissolved oxygen levels, phytoplankton and fish densities have improved. The concentration of macroplastics has also dropped from the range of 138 ± 4.12 and 616 ± 12.48 items/100 m2 to 63 ± 3.92 and 347 ± 8.06 items/100 m2. Fish density in the reef areas has increased from 406 no. 250 m-2 to 510 no. 250 m-2. The study allows an insight into the benefits of effective enforcement of various eco-protection regulations and proper management of the marine ecosystems to revive their health for biodiversity conservation and sustainable utilization.

SUBMITTER: Patterson Edward JK 

PROVIDER: S-EPMC7862902 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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COVID-19 lockdown improved the health of coastal environment and enhanced the population of reef-fish.

Patterson Edward J K JK   Jayanthi M M   Malleshappa H H   Immaculate Jeyasanta K K   Laju R L RL   Patterson Jamila J   Diraviya Raj K K   Mathews G G   Marimuthu A S AS   Grimsditch Gabriel G  

Marine pollution bulletin 20210205

Reduction in the impact of human-induced factors is capable of enhancing the environmental health. In view of COVID-19 pandemic, lockdowns were imposed in India. Travel, fishing, tourism and religious activities were halted, while domestic and industrial activities were restricted. Comparison of the pre- and post-lockdown data shows that water parameters such as turbidity, nutrient concentration and microbial levels have come down from pre- to post-lockdown period, and parameters such as dissolv  ...[more]

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