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Bulletin of the National Research Centre
Fig. 4 | Bulletin of the National Research Centre

Fig. 4

From: COVID-19 lockdown and natural resources: a global assessment on the challenges, opportunities, and the way forward

Fig. 4

The positive effect of COVID-19 lockdown on environmental management and biodiversity management operations, (+) indicates increasing trends and (−) reduction. GHGs; Greenhouse Gases; PP, Physical Parameter; SPM, Suspended Particulate Matter; pH, Power of Hydrogen; BP, Biological Parameter; DO, Dissolved Oxygen; BOD, Biological Oxygen Demand; COD, Chemical Oxygen Demand

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