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EXPLORING THE LINK BETWEEN WATER CHEMISTRY VARIATION AND FISH DIVERSITY IN RIVER JHELUM: A META-ANALYSIS

Indian Agricultural Research Journals

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Title EXPLORING THE LINK BETWEEN WATER CHEMISTRY VARIATION AND FISH DIVERSITY IN RIVER JHELUM: A META-ANALYSIS
 
Creator GUL, SHAHID
PRAKASH, SWADESH
QURESHI, NEHA W.
YADAV, BINOD KUMAR
SHARMA, ARPITA
MIR, SHAKIR AHMAD
 
Subject Parreysia favidens
Length-weight
Width-weight relationships
Condition factor
Left bank tributary of Ganga River
 
Description This study aimed to establish a connection between changes in the water chemistry of the river Jhelum and the diversity, richness, and abundance of species over time. Empirical evidence was reviewed from existing literature on fish species diversity and physicochemical parameters. A comparison was made between the upper and lower sections of the river, considering both spatial and temporal aspects. The dominant fish family in the river was Cyprinidae, consisting of eight species, followed by Nemachilidae, with only two species. Regarding diversity indices, the upper stretch exhibited values of 2.192 for the Shannon-Wiener diversity index (H'), 0.104 for Simpson's dominance index (D), 0.896 for the heterogeneity index (1-D), 1.436 for Margalef's index (d), and 0.350 for Pielou's evenness index (J'). Conversely, the lower stretch showed values of 1.978, 0.145, 0.855, 1.144, and 0.323, respectively. These findings indicated a decline in fish species diversity, richness, and relative abundance in the lower section. These results align with existing literature, suggesting that water pollution is more severe in the lower stretch compared to the upper stretch. However, correlation analysis revealed that, except for dissolved oxygen and ortho phosphorous, there is a negative relationship between water quality parameters and fish diversity, which, while present, is not significant enough to impact the river's fish diversity substantially. This suggests that other anthropogenic activities, such as sand mining, overfishing, and exotic common carp in the river, are responsible for the decreased fish diversity downstream in the river Jhelum. Further research is needed to investigate the effects of other hydrological parameters, such as precipitation, evapotranspiration, surface runoff, water velocity, and depth, on the fish diversity of the river Jhelum. Such studies would provide additional empirical evidence for protecting the aquatic fish biodiversity in the river Jhelum.
 
Publisher Inland Fisheries Society of India
 
Date 2024-08-07
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/JIFSI/article/view/148759
10.47780/jifsi.55.3.2023.148759
 
Source Journal of the Inland Fisheries Society of India; Vol. 55 No. 3 (2023): Journal of Inland Fisheries Society of India; 308-321
0379-3435
10.47780/jifsi.55.3.2023.%a
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/JIFSI/article/view/148759/55397
10.47780/jifsi.55.3.2023.148759