Implications of Climatic Change on Physico-chemical Parameters of Freshwater and Fisheries: A Review
Journal Title: Environmental Science Archives - Year 2022, Vol 1, Issue 1
Abstract
Climate change refers to long-term local, regional and global alternations in average temperature and weather patterns. It has been a global concern in recent decades and is related to human activity. Fish can be stenothermal or eurythermal as well as warm-water or cold water depending on their tolerance limits of temperature. The decline of global fish production because of climate change in many parts of the world is widely documented as fishing down the food web or overfishing may lead to further decline of fisheries production and food insecurity. Changes in physicochemical parameters of water are one of the most important consequences of climate change that will have a significant impact on the fisheries. Water temperature is directly proportional to most of the physicochemical parameters such as turbidity, salinity, conductivity, FCO2, total hardness, TDS, nitrate, and ammonia. pH and DO have an inverse relationship, whereas BOD showed a direct relationship up to 500C but total alkalinity and chloride provide no definite relationships. In this study, a relationship between these physicochemical parameters with raising or lowering temperature as well as the perspective consequences on fisheries is reviewed.
Authors and Affiliations
Mohita Sardana, Amit Priyadarshi and Dina Nath Pandit
Keywords
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