Composition, distribution, and diversity of macrophytes and benthic macroinvertebrate communities in Eleyele Lake, southwestern Nigeria
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TL;DR: In this paper , the authors provided information on the composition of macrophytes and benthic macroinvertebrates in association with physicochemical parameters in Eleyele Lake.
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Abstract: 2 Ecology and Environmental Biology Unit, Department of Zoology, University of Ibadan, Ibadan, Oyo State, Nigeria Many human activities that have an effect on water quality and aquatic health are increasing along Eleyele Lake, which is a vital resource for domestic water supply and fishery in Ibadan, southwest Nigeria. This study provides information on the composition of macrophytes and benthic macroinvertebrates (which are bioindicators) in association with physicochemical parameters in Eleyele Lake. Water, macrophytes, and benthic macroinvertebrates were collected from four stations monthly from March to August 2021 and analysed using standard methods. The relationship between the measured physicochemical variables, macrophytes, and the abundance of benthic macroinvertebrate was explored using canonical correspondence analysis (CCA). The encountered macrophytes represented 19 species (11 emergent, six floating and two submerged) in 16 genera and 12 families. The most abundant species was Ipomea aquatica (25.83%) in station 2 and Sacciolepsis africana (19.19%) in station 1. A total of 282 benthic macroinvertebrate individuals belonging to three phyla, four classes, 11 genera, and 11 species were encountered. Pollution indicator species including Melanoides tuberculata, Biomphalaria pfeifferi and Chironomus larvae observed in all the sampling stations were the dominant species. The CCA indicated that the abundance of macrophytes correlated with depth and nutrient factors (mostly phosphate). The result of the CCA showed the abundance of Chironomus larvae being patterned by dissolved oxygen and nutrient factors (phosphate, nitrate, and sulphate). These further confirmed the polluted status of Eleyele Lake, especially by nutrient enrichment. The dominant macrophytes and benthic macroinvertebrates in Eleyele Lake are pollution-tolerant species and the lake has been impacted by nutrient enrichment.
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Quantitative Analysis of Aquatic and Associated Macrophytes in Selected Wetlands of North Dinajpur District, West Bengal
TL;DR: Aquatic macrophytes are the taxonomically most diverse and important biotic component of any aquatic ecosystem and perform significant role in both structural and functional maintenance of the ecosystem as discussed by the authors .
Species diversity and catch per unit effort of fish in a perturbed tropical lake, Ibadan, Nigeria
Adedolapo Abeke Ayoade,Omotolani M. Owolabi,Omolayo T. Patience,Oluwatobi R. Adeduntan,Praise Kujooro +4 more
- 20 Feb 2024
Quantitative Assessment of Macrophytes Diversity and their Status in Wetlands of Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh (India)
Abhishek Maitry,Shishir Chandrakar,Animesh Shukla,Aishwarya Chandra +3 more
TL;DR: The diversity and status of aquatic macrophytes in wetlands of Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh, India, were assessed. A total of 33 macrophytes species were identified, dominated by emergent macrophytes followed by floating and submerged macrophytes. Highest species diversity and richness were observed in Pond 1 and 4 respectively. Conservation and sustainable utilization of aquatic ecosystems require understanding the status and importance of macrophytes to the ecosystem and its functioning.
References
Impact of Seasonal Water Quality and Trophic Levels on the Distribution of Various Freshwater Snails in Four Egyptian Governorates
Mohamed-Assem S. Marie,Fatma A el-Deeb,Wafaa S. Hasheesh,Rehab Atef Mohamed,Sara S. M. Sayed +4 more
- 18 Sep 2015
TL;DR: This study aimed to the density and distributions of some freshwater snails collected from eight freshwater streams at Egyptian governorates and revealed that Biomphalaria alexandrina was the most enumeration snail spices, where they have the ability to tolerate and adapt to various environmental circumstances.
Assessment of the Pollution Status of Eleyele Lake, Ibadan, Oyo State, Nigeria
TL;DR: The hazard quotients and carcinogenic risk values were greater than acceptable limits, indicating that PCBs in Eleyele lake water pose adverse health effects to the local population, and efforts are needed to reduce anthropogenic influence on the lake through strict environmental controls.
•Journal Article
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Length-weight Relationships and State of Well-being of Parachanna obscura Gunther1861, in Eleyele Reservoir, Southwestern Nigeria
TL;DR: The allometry and condition factor of Parachanna obscura inhabiting the Eleyele Reservoir, Southwestern Nigeria is investigated to indicate that P. obscura were thriving very well in Eley Ele Reservoir.
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