Multivariate Analysis of Rotifers Community from Safari Zoo Lake Lahore, Pakistan
Journal Title: Pakistan Biomedical Journal - Year 2018, Vol 1, Issue 1
Abstract
Rotifers are zooplanktons that react more sharply to the environmental changes. Objective: To better understand the community composition of rotifers in Safari Zoo Lake, Lahore, Pakistan Methods: We collected 16 water samples on monthly basis, dividing lake into four major sites: northern, southern, eastern, and western sites. Each of these was further subdivided into four locations, for a total of 16 sampling sites. A total 23 rotifer species were recorded from the lake with Brachionus calyciorus having maximum abundance. A species abundance curve was plotted between months and number of species of rotifers indicating their lowest and highest abundance through the study period. Results: A Cluster Analysis yielded three main groups of closely related species including species like Brachionus quadridentatus, Synchaeta stylata and Brachionus calyciorus etc. We used a Principal Component Analysis (I and II) to study variation in the rotifer community on a seasonal basis and among sampling sites. A biplot of Principal Component Analysis (PCA I) reected the relationship of rotifers with the months. Some of the species showed a positive positive relationship, while others showed negative one. PCA II was plotted between months and physico-chemical parameters showing their negative and positive relations. Conclusion: We conclude that a lesser replacement of fresh water, increased density of waterfowl, reptilia and solid waste left over during boating has resulted in eutrophication of lake leading to overall low diversity of rotifers observed.
Authors and Affiliations
Sare Hayee*, Naveed Akhter and Abdul Qayyum Khan Sulehriya
Keywords
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- EP ID EP694164
- DOI https://doi.org/10.52229/pbmj.v1i1.38
- Views 130
- Downloads 0
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