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Fish assemblage, ecosystem status and potential impact of Nile Tilapia in Halali Reservoir of Central India

Author

Listed:
  • Canciyal Johnson

    (ICAR-Central Inland Fisheries Research Institute)

  • Uttam Kumar Sarkar

    (ICAR-Central Inland Fisheries Research Institute)

  • Satish Kumar Koushlesh

    (ICAR-Central Inland Fisheries Research Institute)

  • Archan Kanti Das

    (ICAR-Central Inland Fisheries Research Institute)

  • Basanta Kumar Das

    (ICAR-Central Inland Fisheries Research Institute)

  • Bablu Kumar Naskar

    (ICAR-Central Inland Fisheries Research Institute)

Abstract

The pattern of spatial fish assemblage, diversity, habitat, and potential impact of Nile tilapia (Oreochromis niloticus) was studied in a tropical reservoir of central India during June 2018–July 2019. A total of 21 species under six orders nine families and 18 genera were recorded which is comparatively low than previous records. The fish abundance similarity showed a maximum similarity of 78% between site 1 and site 3 clusters. The results of species composition showed increased abundance of O. niloticus species (> 80%) in the fishery and have now established feral population in the reservoir. The mean Simpson dominance index (1 − λ), the Shannon diversity index (H′), Pielou's evenness index (J′) and Margalef's richness index (d) were determined for three different sites followed by Mann–Whitney U test which showed a significant difference at spatial scale. Bray–Curtis cluster analysis of physicochemical parameters showed a similarity of 96% between site 1 and site 2. Comparison with the previous study three physicochemical parameters (total alkalinity, total hardness and chloride) showed the considerable changes. Relationships between fish assemblages and environmental parameters were examined by canonical correspondence analysis (CCA). Six physicochemical parameters (i.e., DO, pH, Nitrate, Mg, Phosphate and Silicate) showed statistically significant to shaping fish diversity (p

Suggested Citation

  • Canciyal Johnson & Uttam Kumar Sarkar & Satish Kumar Koushlesh & Archan Kanti Das & Basanta Kumar Das & Bablu Kumar Naskar, 2022. "Fish assemblage, ecosystem status and potential impact of Nile Tilapia in Halali Reservoir of Central India," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 24(6), pages 7753-7775, June.
    • Handle: RePEc:spr:endesu:v:24:y:2022:i:6:d:10.1007_s10668-021-01756-8
    DOI: 10.1007/s10668-021-01756-8
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    References listed on IDEAS

    as
    1. Wazir Singh Lakra & Uttam Kumar Sarkar & Rupali Sani Kumar & Ajay Pandey & Vineet Kumar Dubey & Om Prakash Gusain, 2010. "Fish diversity, habitat ecology and their conservation and management issues of a tropical River in Ganga basin, India," Environment Systems and Decisions, Springer, vol. 30(4), pages 306-319, December.
    2. Kolding, J. & van Zwieten, P., 2006. "Improving productivity in tropical lakes and reservoirs," Monographs, The WorldFish Center, number 37509, April.
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