Review on aquatic macrophytes in Lake Manzala, Egypt

Haroon, Amany M.

doi:10.1016/j.ejar.2022.02.002

Cited by 14 publications

(3 citation statements)

References 25 publications

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“…Their widespread abundance, diversity, tolerance to changes in environmental conditions, and capacity to accumulate metals have been explored in environmental pollution studies (Fawzy et al, 2012;Kassaye et al, 2016;Abdelaal et al, 2021). Aquatic macrophytes have displayed greater capacities in these features than lower plants, hence, they have been used for monitoring metals in aquatic ecosystems (Omitoyin et al, 2017;Haroon, 2022). Besides their usage as pollution biomarkers, aquatic macrophytes with food and medicinal values have greater tendencies to transfer metals to man.…”

Section: Introductionmentioning

confidence: 99%

“…Cyperus articulatus is one of the freshwater plants which belong to the group of aquatic macrophytes utilized by man for its medicinal properties (Shamkuwar et al, 2012;Herrera-Calderon et al, 2018;Machado et al, 2020). Besides its medicinal values in the treatment of headaches and migraine, stomach disorders as well as its usage as a sedative, antimalaria, anticonvulsant and antioxidant, among others, the plant, locally referred to as "Kajiji" in Northern Nigeria (Abubakar et al, 2000) is used as an insect repellent, and for pest control (Abubakar et al, 2000;Machado et al, 2020;Haroon, 2022), while its remediating capacity has also been demonstrated (Mganga et al, 2011;Galal et al, 2017). This plant is found growing abundantly in Zobe Reservoir, one of the freshwater reservoirs in Katsina State, Northwestern Nigeria.…”

Section: Introductionmentioning

confidence: 99%

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Metal Contents in Cyperus Articulatus and Sediments of Zobe Reservoir, Nigeria

OLADELE¹,

SALIM²,

SAMUEL³

2023

FUDMAJAAT

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This study evaluated the iron, copper, zinc and lead contents, and the relationship among these metals in Cyperus articulatus and sediments of Zobe reservoir, Dutsinma, Nigeria. Samples of Cyperus articulatus and sediments were obtained, fortnightly for three months, from three sampling locations sited in up-, mid-, and downstream sections of the water body. Standard methods were used in sample collection and preparation while the metal contents were determined spectrophotometrically. In both sample types, copper and zinc were detected at concentrations below 0.5 mg/kg; the sediment samples contained higher iron contents (5.368±1.174 mg/kg) than the plant samples (2.897±2.031 mg/kg) while lead was not detected. The higher metal contents observed in the sediment samples corroborated the importance of aquatic sediment as a sink for metals in aquatic ecosystems. Cyperus articulatus from Zobe reservoir can be deemed safe for use due to its relatively low metal contents (iron 2.897±2.031 mg/kg; copper 0.291±0.119 mg/kg; zinc 0.067±0.111 mg/kg) which were within the allowable limits of local and international standards. The correlative relationship between iron contents in both sample types (R = 0.509) was significant at a 5% confidence level while a significantly stronger association (R = 0.659; 0.681) was observed between iron content in Cyperus articulatus and the copper and zinc concentrations in the sediment samples, respectively. Hence, Zobe reservoir can be referred to as safe from iron, copper, zinc and lead pollution. Periodic assessment of metals in Zobe reservoir is recommended for adequate monitoring of metal levels in the reservoir.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Metal Contents in Cyperus Articulatus and Sediments of Zobe Reservoir, Nigeria

OLADELE¹,

SALIM²,

SAMUEL³

2023

FUDMAJAAT

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“…Aquatic macrophytes are plants visible to the naked eye, which can be submerged, emergent, or floating, depending on their position in the aquatic habitat. The merits of aquatic macrophytes include provision of shelter and food for aquatic organisms, absorption of excessive nutrients from water; they have also been used as manure, animal feed, biogas, and in paper production (Haroon, 2022). Excessive aquatic macrophytes could impact the habitat structure, aesthetic appeal, fishability, and recreational use of water bodies.…”

Section: Introductionmentioning

confidence: 99%

Composition, distribution, and diversity of macrophytes and benthic macroinvertebrate communities in Eleyele Lake, southwestern Nigeria

Ayoade¹,

Adeyemi²

2022

biologija

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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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