Tochukwu Ezechi Ebe

• Doctor of Environmental Health
• Senior Researcher at Federal University of Technology Owerri

This study was aimed at determining the impact of meteorological events (seasonal variations) and sand excavation activities on turbidity and Total Suspended Solids (TSS) of Imo River, Southeastern Nigeria. In-situ measurements of the parameters were carried out at the peaks of two consecutive seasons-dry and rainy season-at 7 major points of sand...

The study was done to assess the air quality of abattoir in Obinze and its environs by measuring some air quality parameters in the month of January, 2022 for five consecutive days. Measurements were taken with Aeroqual series 500 air monitors at various radial coordinates from three sampling stations and standard methods adopted for their sampling...

The quality of fresh water sources as influenced by external and internal factors is a major consideration for water-use programs. Seasonal (rainy and dry) values and variations of pH, Biochemical Oxygen Demand (BOD), and Chemical Oxygen Demand (COD) and their interactions in Imo River quality were determined under standard analytical methods. Wate...

The quality of fresh water sources as influenced by external and internal factors is a major consideration for water-use programs. Seasonal (rainy and dry) values and variations of pH, Biochemical Oxygen Demand (BOD), and Chemical Oxygen Demand (COD) and their interactions in Imo River quality were determined under standard analytical methods. Wate...

The steady rise of antimicrobial resistance, coupled with the availability of fewer agents with amtifungicidal actions, lead to this study to determine the effectiveness of Virgin Coconut Oil as an antifungal agent on the species Candida albicans, Aspergillus niger and Mould species. Their susceptibilities to virgin coconut oil and Griseofulvin wer...

The bacteriological and parasitological assessment of some fresh meat marketed in Owerri, Southeastern , Nigeria was carried out using standard bacteriological and parasitological methods. The meat samples used for the study were flesh, towel, intestine and liver from goat, pork and chicken. There was no fungal and Salmonella-Shigella counts in all...

Exposure to noise for a long period of time has been an issue of concern to occupational health workers. This study investigated noise pollution level (NPL) and its spatial distribution in Socotherm Nigeria Limited coating plants and its effects on the health of the workers. Six sampling points were selected on the grounds of intensity of activitie...

This study was carried out to assess the quality of remediated oil spillage impacted soils in Mgbodo Aluu, Ikwerre Local Government Area, Rivers State. Remediated soil samples were collected with the aid of a well calibrated stainless steel hand dug soil auger (2.50 cm in diameter) from six (6) sampling points with a control sample from a non-conta...

Mosquito sampling in the Alulu-Nike community in Enugu East Local Goverment Area of Enugu state was performed using the human bait method, the CDC-light trap method and the spray sheet collections. The CDC-Light trap placed outdoor and the Spray sheet collection spread with a residual deltamethrin formulation were compared with the Human landing ca...

Most urinary tract infections are due to Candida species, C. albicans being most prevalent. Laboratory research study was used to examine the prevalence of candidiasis amongst undergraduate students of Chukwuemeka Odumegwu Ojukwu University, Uli. A total of 100 students were investigated. Clean catch midstream urine samples were used for the analys...

This study investigated the air quality of Aluu and Igwuruta communities both in Obio-Akpor Local Government Area of Rivers State, using carbon monoxide (CO), nitrogen dioxide (NO2), Sulphur dioxide (SO2), suspended particulate matter (SPM), Methare (CH4), ammonia (NH3) Ozone (03) and Volatile Organic Compound (VOCs) as indices. Sampling was done a...

Most urinary tract infections are due to Candida species, C. albicans being most prevalent. Laboratory research study was used to examine the prevalence of candidiasis amongst undergraduate students of Chukwuemeka Odumegwu Ojukwu University, Uli. A total of 100 students were investigated. Clean catch midstream urine samples were used for the analys...

This research work assessed the heavy metal concentration of fluted pumpkin (Telfairia occidentalis) grown around Obio/Akpor, Rivers state, Southern Nigeria. Vegetable and soil samples were collected from ten different locations and analyzed for Pb, Cr, Cd, Zn, Cu and Fe using Atomic Absorption Spectrophotometer(AAS), Model: Agilent 55B. Heavy meta...

Quality assessment of rural water supply is of great importance for good health of rural dwellers towards the Sustainable Development Goals (SDG). This study examined quality and availability of rural water supply from wells in twelve communities of Anambra State, Nigeria. Water samples were collected bimonthly for six months from each of the 12 we...

Noise as an unwanted sound, it reduces the quality of life and causes serious chronic or acute health problems. Therefore, there is need to access the noise level to which sawmill workers at the timber and allied industrial market are exposed to by comparing measured noise levels with regulatory standards. A digital sound level meter Lutron (Model...

The effects of two additives (nails and scent leaf) in cassava fermentation process were studied using standard microbiological and physiochemical methods. Fresh cassava roots were harvested; about 200g of the cassava roots were fermented with 3.0g of scent leaf and 2 pieces of three inches nails separately, while the control was fermented without...

The assessment of physico-chemical and bacteriological quality of groundwater around Obosi open waste dump in Southeastern Nigeria was investigated. Four leachate and 24groundwater samples from 8 concentric study cells centered at the waste dumpsite were collected and analyzed using experimental method. The heavy metals were determined using Atomic...

Keywords: Candida albicans; Nigeria; Trichomonas vaginalis; Pregnant An investigation on the incidence of Trichomonas vaginalis infection amongst pregnant women in Onitsha urban area of Anambra State, Nigeria was carried out between April 2013 and June 2014. The survey was done by random screening of 232 urine and 568 high vaginal swab samples of p...

Former Gasworks are often associated with widespread contaminant source in the subsurface, which produce large plumes that comprise a wide variety of tar-oil related compounds. Whilst most of these compounds undergo degradation naturally, the processes are often slow and inefficient usually taking many decades and often leaving active remediation a...

The presence of Polycyclic Aromatic Hydrocarbons (PAHs) in the environment has been a concern due to risk to human health and the ecosystem. This study was carried out to assess the contamination level of PAHs in the soil around Ekeatai watershed, Eket, Nigeria. Soil samples (0-30cm) were analyzed for the presence of the 16 US-EPA priority PAH and...

Physicochemical parameters could help to reduce or otherwise contribute to the growth and survival of plankton biotopes in the water bodies. This study investigated the physicochemical parameters and plankton biotopes of Ntawogba creek in Port Harcourt, River state. Water samples were collected from five stations representing upstream and downstrea...

Human activities have become a major source of environmental pollution especially on the issue of water pollution which includes surface and ground water. This research was aimed at studying the effect of human activities such as indiscriminate defecation, fermentation of cassava tubers etc on the water quality of Onuakpaka stream and selected grou...

Existing studies indicate that marine pollution control in the ports of developing economies is marred by a lack of administrative control and inadequate provision of waste reception facilities. In Nigeria ports, ship generated waste control services and provision of waste reception facilities are outsourced to private companies with no requirement...

The assessment of levels of some heavy metals in different layers (0-15; 15-30 and 30-45 cm) of soils around the Nekede dumpsite in Owerri, Nigeria was conducted in order to verify any possible metals input from the waste dumpsite to the surrounding soils. Soil samples were collected from three points within the dumpsite and a control. The samples...

Gas flaring is a major contributor to the emission of toxic gases and other gaseous pollutants into the atmosphere. This study investigates the impact of gas flare on leaves of cassava around Utorogu gas plant, Delta State. Three sampling locations were chosen at 1 km , 2km and 3km distance from the gas flare stack and a control location at Orerokp...

The physico-chemical analysis of the impacted soil in Bodo community was carried out due to severe degradation of the environment and the aesthetic destruction of the terrestrial environment, the need to access the effect of non-conventional refining plants on the physico-chemical parameters of the soil. The pH, conductivity, total nitrogen, phosph...

The study aimed at determining the prevalence of asymptomatic malaria among students of Federal University of Technology Owerri, was carried out between July and September 2015. Blood samples of 160 students who lived both in school hostels and off campus residents were examined using Giemsa stained thick and thin films. A total of 40 students (25%...

Artisanal refining Plants are common features of the Niger Delta Region of Nigeria. The effects of heavy metal contamination on soil by non-conventional refining plants were investigated and analyzed using standard methods. Two soil samples were collected at 18 m intervals between Plants A and B and at 24 m intervals between Plant B and C. Then con...

Investigations on the physicochemical properties and microbial load of Nworie River in Owerri Imo state, Nigeria was carried out between January and July, 2014. Water samples from 3 locations namely (Upstream Akwakuma), (Discharge pointFederal Medical Center) and (Downstream Holy Ghost College) were collected and taken to the laboratory for analysi...

Industrialization has been the major source of waste generation leading to heavy metal accumulation in soils. It has become major environmental challenge especially as it affects soil quality, biota, ecosystem processes and ground water pollution. This study was targeted at determining the contributions of human activities on heavy metal levels of...

Comparative analysis of petroleum ether and aqueous extracts of neem leaf and neem stem on different stages of Anopheles gambiae was carried out using Soxhlet apparatus. Each plant part extract from both solvents were separately used to test their effects on the developmental stages of Anopheles gambiae. The result showed that the mean mortality of...

Industrialization has been the major source of waste generation leading to heavy metal accumulation in soils. It has become major environmental challenge especially as it affects soil quality, biota, ecosystem processes and ground water pollution. This study was targeted at determining the contributions of human activities on heavy metal levels of...

Larvicidal effect of lemongrass root and leaf was carried out with three different species of mosquito (Anopheles gambiae, Culex quinquefasciatus and Aedes eagypti) at the first instar stage of development. Soxhlet apparatus was used to extract the pulverized plant parts using petroleum ether and aqueous extraction solvents and the different extrac...

The prevalence of bacteria in solid waste dump from domestic waste in Owerri was studied. Six samples were collected from Egbu community in Owerri North and examined bacteriologically using Nutrient agar and macconkey agar and were serially diluted, cultured, identified and characterized. Five genera of bacteria were isolated. They were Staphyloco...

Over the years, the prevalence of urinary schistosomiasis has been established across several locations in Nigeria. However, the need for continual validation of prevalence data at different ecological zones of the country remains imperative, especially in the face of incessant anthropogenic activities and climate change events such as deforestatio...

The effect of some plant extract on the developmental stages of mosquito species was conducted using Anopheles gambiae, Culex quinquefasciatus and Aedes aegypti at the first instar, second instar, third instar, fourth instar, pupae and adult. The plant used was scentleaf (Ocimum gratissimum). Soxhlet apparatus was used to extract each pulverized pl...

The quality of fresh water sources as influenced by external and internal factors is a major consideration for water-use programs. Seasonal (rainy and dry) values and variations of pH, Biochemical Oxygen Demand (BOD), and Chemical Oxygen Demand (COD) and their interactions in Imo River quality were determined under standard analytical methods. Wate...

Remediation by poultry manure (RPM) is a farming treatment technology, which relies on biological processes to cleanup pollution in soil. In this study, remediation by poultry manure was employed on oil contaminated site in Otuogidi town at Bayelsa State of Nigeria. 200g of the polluted soil samples were distributed in four sterile containers label...

Overuse of farmlands for crop production and rising cost of chemical Overuse of farmlands for crop production and rising cost of chemical fertilizers have grossly affected crop yield, production and food availability, and the search for alternative use of locally available aquaculture-waste for fertilizer and soil improvement can improve crop yield...

This study investigated the physicochemical status of groundwaters of the oil-rich Ekakpamre community in Ughelli, Nigeria. Ten borehole water samples located about 1 km apart and soil samples around them were collected and analyzed by standard methods. Clay, sand and silt compositions in overlaying soils appeared to influence the DO (r=-0.999), TP...

Overuse of farmlands for crop production and rising cost of chemical Overuse of farmlands for crop production and rising cost of chemical fertilizers have grossly affected crop yield, production and food availability, and the search for alternative use of locally available aquaculture-waste for fertilizer and soil improvement can improve crop yield...

Land use and land cover dynamics has been commonplace around Owerri and environs. Landsat TM 86 and ETM+ 2000 were used to detect and map these changes. The imageries were mapped at the scales of 1:250,000 and 1:150,000 using ILWIS Academic 3.0 GIS software. The result showed significant shift in the aggregate land use and land cover class due to n...

Study on the knowledge and practices for mosquito control involving 461 respondents was carried out in the urban centers of Imo state