Studies on Biodiversity in Relation to Seasonal Variations in Water of River Indus at Ghazi Ghatt, Punjab, Pakistan

Ali, Muhammad; Salam, Abdus; Jamshaid, Saima; Zahra, Tasveer

doi:10.3923/pjbs.2003.1840.1844

Cited by 7 publications

(3 citation statements)

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“…This indicates that the values signifying that sites have high relative diversity due to their supporting surrounding components. The values of Margalef 's index ranging between 1-3 indicate moderately polluted water with values less than 1 indicating the heavily polluted environment, while values greater than three windows clean water (Ali et al, 2003). During the present study, the Margalef diversity index values varied from 1.786-2.512 (Table 5 and Figure. 6) which means the system is threatened by pollution, which may be happened due to the anthropogenic activities within the area.…”

Section: Plankton Populationmentioning

confidence: 61%

Nutrient and Plankton Abundance in the Major Nursery Grounds of Hilsa (Tenualosa ilisha) in Perspective of Water Quality Factors

Moniruzzaman,

Flura,

Alam

et al. 2023

Am. J. Biosci. Bioinform.

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This study was contemplated to depict the nutrient composition and dissertation of plankton present in the six hilsa sanctuaries. The water temperature (25.6±0.8ºC), nitrate (0.005±0.01 mg/L), phosphate (0.002±0.0004 mg/L) and DO (7.7±1.1 mg/L) followed by pH (7.6±0.6), transparency (44.4±10.6 cm), alkalinity (112.4 ±26.4 mg/L), hardness (304.5±69.5 mg/L) and CO2 (10.3±1.2 mg/L). The chlorophyll a was estimated and represents the biomass of phytoplankton (8.21 ± 2.3 µg/L). Twelve groups (families) of phytoplankton (Bacillariophyceae, Ulvophyceae, Zygnematophyceae, Bacillariophyceae, Dinophyceae, Fragillariophyceae, Gonatozygeceze, Cyanophyceae, Hydrodictyaceae, Stephanodiscaceae, Trebouxiophyceae, Melosiraceae and Euglenoida) comprising 26 genera and zooplankton (Branchiopoda, Hexanauplia, Heterotrichea, Diaptomidae, Eurotatoria, Cryptophyceae, Rotifera, Copepod, Crustacea, Monogononta, Bdelloida) having 14 genera were identified at all sampling stations. The present biological investigation disclosed the variation of physicochemical parameters and their influences on plankton community (phytoplankton and zooplankton) of hilsa sanctuary area with an exploration statistical data output to acquire the insights of the study sites and suggested the suitable hilsa fisheries management action plan for the sustainable management of hilsa fishery.

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Section: Plankton Populationmentioning

confidence: 61%

Nutrient and Plankton Abundance in the Major Nursery Grounds of Hilsa (Tenualosa ilisha) in Perspective of Water Quality Factors

Moniruzzaman,

Flura,

Alam

et al. 2023

Am. J. Biosci. Bioinform.

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“…According to Ali et al [66], the values of Margalef's index ranging between 1-3 indicate moderately polluted water with values less than 1 indicating the heavily polluted environment, while values greater than three windows clean water. The Margalef diversity index values varied from 1.786 to 2.512, during the present study (Table 5 and Fig.…”

Section: Water Nutrientsmentioning

confidence: 99%

Estimation of Water Quality in the Major Nursery Grounds of Hilsa: Insights from Plankton and Nutrient Regimes

Flura

Moniruzzaman²,

Alam³

et al. 2023

AJFAR

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The biological and physicochemical attributes of a river ecosystem usually reveal the status of the consequential species richness index of the biodiversity and subsistent aquatic life. Towards appraisal of water quality, physicochemical parameters (i.e., temperature, pH, DO, transparency alkalinity and hardness), water nutrients (nitrate, phosphate) and concentration of Chlorophyll a were determined. Samples were collected from six hilsa sanctuaries. The pH value was found slightly alkaline (7.6±0.6) and transparency was ranged (44.4±10.6 cm) followed by alkalinity (112.4 ±26.4 mg/L), hardness (304.5±69.5 mg/L), CO2 (10.3±1.2 mg/L), water temperature (25.6±0.8 ºC), nitrate (0.005±0.01 mg/L), phosphate (0.002±0.0004 mg/L) and DO (7.7±1.1 mg/L). Chlorophyll a was estimated (8.21 ± 2.3 µg/L), which represents the biomass of phytoplankton. The largest quantity of plankton (both in number and taxa) was found in the Meghna River basin as a natural food at station 1 (St-1) and Station 4 (St-4) compared to the other stations. Twelve groups (families) of phytoplankton comprising 26 genera and zooplankton having 14 genera were identified at all sampling stations. The density of plankton was found to be maximum (46×102 cells L-1) at Station 5 (St-5) and while minimum (24×102 cells L-1) at Station 6 (St-6) during the investigation. This evaluation of the physical, chemical, and biological profile of the environment in the country's sanctuary zones provides obvious evidence that is crucial for understanding the Hilsa Fisheries Management Action Plan and for the sustainable management of Hilsa Fishery.

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“…Documented keys such as Prescott (1975), Cander-Lund andLund (1958), Needham andNeedham (1962), andEgborge (1973) were used for identification to the lowest practicable taxonomic level. The relative abundance (RA; %) of phytoplankton species was calculated according to Ali et al (2003) using the equation:…”

Section: Samples Collection and Analysismentioning

confidence: 99%

Assessing the Water Quality of Akwa Ibom State North-West District, Nigeria, using Water Quality Indices and Palmer Pollution Index

Jonah

Archibong

2022

Ekológia (Bratislava)

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Freshwater bodies of Akwa Ibom State North-West District, Nigeria, were studied between May and December 2021 at seven sampling stations based on human activities. The indices used were water quality index (WQI) for drinking water purpose, comprehensive pollution index (CPI) for aquatic life sustainability, and Palmer pollution index (PPI) for organic pollution. Thirteen physicochemical parameters were scrutinized using standard methods and compared with the World Health Organization (WHO) standards. All the physicochemical parameters evaluated were within the acceptable limits, except pH, biochemical oxygen demand (BOD), dissolved oxygen (DO), and nitrate in some stations. The phytoplankton identified comprised13 genera of pollution indicators out of 41 genera of the total population, among which Bacillariophyceae accounted for 46.55%. The WQI values ranged between 38.86 and 54.63 based on weighted arithmetic method. The CPI values ranged from 0.35 to 0.46, while the PPI score ranged between 1 and 23. The values of WQI and CPI obtained in stations I, III, and IV revealed poor water quality which was unfit for human consumption and sustenance of aquatic life. The obtained value for PPI revealed that stations I, III, IV, VI, and VII were organically polluted. The occurrence of pollution indicator genera in these stations further proved that the water bodies were moderately polluted owing to anthropogenic perturbation. The activities of humans within the watershed should be of concern to the relevant authorities; regulation of these activities should be enforced to minimize the situation of water deterioration and for regaining the natural water quality to support aquatic life and health and make it fit for domestic usage.

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Studies on Biodiversity in Relation to Seasonal Variations in Water of River Indus at Ghazi Ghatt, Punjab, Pakistan

Cited by 7 publications

References 0 publications

Nutrient and Plankton Abundance in the Major Nursery Grounds of Hilsa (Tenualosa ilisha) in Perspective of Water Quality Factors

Nutrient and Plankton Abundance in the Major Nursery Grounds of Hilsa (Tenualosa ilisha) in Perspective of Water Quality Factors

Estimation of Water Quality in the Major Nursery Grounds of Hilsa: Insights from Plankton and Nutrient Regimes

Assessing the Water Quality of Akwa Ibom State North-West District, Nigeria, using Water Quality Indices and Palmer Pollution Index

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