Understanding spatial and temporal patterns of fish diversity and assemblage structure vis-a-vis environmental parameters in a tropical Indian reservoir

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dc.contributor.authorLianthuamluaia
dc.contributor.authorMishal, Puthiyottil
dc.contributor.authorPanda, Debabrata
dc.contributor.authorSarkar, Uttam Kumar
dc.contributor.authorKumar, Vikash
dc.contributor.authorSandhya, Kavitha Mandhir
dc.contributor.authorKarnatak, Gunjan
dc.contributor.authorKumari, Suman
dc.contributor.authorBera, Asit Kumar
dc.contributor.authorDas, Subrata
dc.contributor.authorAli, Yusuf
dc.date.accessioned2021-03-12T06:59:00Z
dc.date.available2021-03-12T06:59:00Z
dc.date.issued2019
dc.description.abstractReservoirs have been given priority as an important resource for fisheries enhancement in inland open waters. This paper described the spatial and temporal pattern of fish diversity using GIS platform, assemblage structure, and studied the influence of environmental parameters in these variables in a large tropical reservoir, Chandil, located in the eastern India using multiple approaches. Altogether, 42 fish species belonging to 30 genera were recorded from the reservoir, including two exotic species: pangas, Pangasianodon hypophthalmus, and Nile tilapia, Oreochromis niloticus. The diversity indices indicated lowest fish diversity in the lacustrine zone, but without distinct seasonal variation. The taxonomic distinctness was lower in the lacustrine zone as compared to other zones, and the summer season exhibited higher taxonomic distinctness, though the number of species was lowest. Most of the physicochemical parameters recorded are within the favorable range for fisheries enhancement. Among the environmental parameters, pH and nitrate significantly influenced the fish abundance. The study recommends suitable measures and interventions for conservation of the native fish diversity and sustainable fisheries development: closed season, protected/conservation area, introduction of fish aggregating device (FAD), and regulated fish culture in enclosures.en_US
dc.identifier.citationhttps://doi.org/10.1007/s11356-019-04305-zen_US
dc.identifier.urihttp://drs.cift.res.in/handle/123456789/4767
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectReservoiren_US
dc.subjectFish abundanceen_US
dc.subjectSeasonal variationen_US
dc.subjectConservationen_US
dc.subjectManagementen_US
dc.titleUnderstanding spatial and temporal patterns of fish diversity and assemblage structure vis-a-vis environmental parameters in a tropical Indian reservoiren_US
dc.typeArticleen_US
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