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Original Article:
Water quality in relation to plankton abundance and diversity in river Ogun, Abeokuta, Southwestern Nigeria
Dominic Olaniyi Odulate, Isaac Tunde Omoniyi, Wilfred Oluwasegun Alegbeleye, Francisca Adebukola George, Benjamin Onozeyi Dimowo
Int J Env Health Eng
2017, 6:3 (27 September 2017)
DOI
:10.4103/ijehe.ijehe_31_13
Aims:
Plankton abundance and diversity are governed by certain aquatic environmental factors which collectively determine the health of the aquatic ecosystem. This study was aimed at investigating the water quality of lower Ogun River, Abeokuta, in relation to plankton abundance and diversity.
Materials and Methods:
The dataset consists of physicochemical and plankton data collected for 7 months within the period of December 2011 and June 2012 in four stations. Spatial correlations were determined between physicochemical parameters, plankton abundance, and diversity. Physicochemical parameters that exhibited strong correlation with plankton abundance and diversity were used in the calculation of a water quality index (WQI) for the protection of aquatic life.
Results:
Results showed highly significant correlations (
P
≤ 0.05) between plankton abundance, diversity, and the physicochemical parameters monitored during the study period excluding alkalinity and phosphates. The Canadian Council of Ministers of the Environment WQI showed that the river water quality in all the sampled stations (A, 63; B, 63; C, 56; and D, 64) was marginal in classification.
Conclusion:
It was concluded that River Ogun is polluted beyond doubt. Hence, corrective measures should be put in place so as to prevent total ecological collapse.
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Original Article:
Biochemical and hematological changes among saudi firefighters in the eastern province
Khaled Fikry Salama, Layla Abdullmohsen Bashawri
Int J Env Health Eng
2017, 6:2 (27 September 2017)
DOI
:10.4103/ijehe.ijehe_12_15
Aims:
This study aimed to evaluate some relevant serum biochemical and hematological changes in concentration level involved firefighters in comparison to normal controls.
Materials and Methods:
This study involved two groups of male firefighters to participate in the study. The first group included 50 firefighters from Dammam while the second group included 50 firefighters from Khobar. An additional control group of 50 male nonfirefighters from both cities was included in the study. Blood samples were collected from all participants and investigated for some relevant biochemical, hematological differences and blood heavy metals between the three studied groups.
Results:
The results obtained showed that there were statistically significant differences in liver function, serum lipid profile, creatine kinase, lactate dehydrogenase, iron and ferritin, and blood picture in firefighters as compared with normal control group, while there were no statistically significant differences in the levels of blood heavy metals in firefighters as compared to normal controls. These results indicate that fire smoke mainly affects serum biochemical and hematological parameters but does not affect serum heavy metals levels.
Conclusion:
Such results might point out to the need for more health protective and prophylactic measures to try to avoid such hazardous health effects that might endanger firefighters under their highly drastic working conditions, and firefighters must be under continuous medical follow-up through a standard timetabled medical laboratory investigations to allow for the early detection of any biochemical or hematological changes.
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© International Journal of Environmental Health Engineering | Published by Wolters Kluwer -
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Online since 21 March, 2012