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344 articles for “Rivers”
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Food and Feeding Habits of Parrot Grunt (Pomadasys peroteti) from New Calabar River, Port Harcourt, Nigeria
Abstract: The foods and feeding habits of Pomadasys peroteti (Parrot grunt) form New Calabar River, Port Harcourt, Rivers State, Nigeria was investigated in order to understand its food preferences and feeding habits via the stomach contents. The analyses of the stomach content were carried out by frequency of occurrence (F), number method (N), index of relative importance (IRI) and index of stomach fullness (IFS). Parts of crabs (82.2%) constituted the most …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 12, Issue 2, 2023 · pp. 7–11 Read article
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Investigating the Dietary Flexibility and Feeding Behavior of Clarias anguillaris and Auchenoglanis biscutatus in a Tropical River Ecosystem
Abstract: Studies on food and feeding habits of fishes are required to guide the selection of fish species for culture. The current study determined the food and feeding habits of Clarias anguillaris and Auchenoglanis biscutatus in the Lower River Benue at Makurdi, Nigeria. Fish samples were collected biweekly from local fishermen at the Wadata landing site who fished with different gears like gillnets, cast nets, hook and line, traps and lift …
Published in International Journal of Marine Life · Vol. 2, Issue 1, 2025 · pp. 1–9 Read article
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Extant Roofing Pattern and Early Decay of Residential Buildings in Port Harcourt Municipality, Rivers State
Abstract: The design and construction pattern of roofs in the tropical environment like Port Harcourt Municipality, Rivers State is a major factor that determined how functional and the life span of building components and materials. In recent time residential building components and materials had been observed to decay earlier than expected due the existing roofing pattern. This study is aimed at assessing the extant roofing pattern and identified factors responsible for …
Published in International Journal of Environmental Planning and Development Architecture · Vol. 3, Issue 2, 2025 · pp. 16–24 Read article
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Soil Around the Pier Below the Bed Level of River
Abstract: This study presents the evaluation of vertical and lateral loads acting on a bridge pier–pedestal system subjected to self-weight and vehicular loading. The pier, having a height of 25 m, length of 20 m, and thickness of 1 m, was found to carry a self-weight of 1200 t. When combined with a vehicular load of 2000 t, the total vertical load on the pier becomes 3200 t. Considering lateral force …
Published in Journal of Geotechnical Engineering · Vol. 13, Issue 1, 2026 · pp. 64–70 Read article
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Variations of Macroplastics in Water and Sediments at Bundu Waterfront, Upper Bonny Estuary, Rivers State, Nigeria
Abstract: Macroplastic pollution has become an increasingly severe environmental challenge, particularly in urban waterfronts where waste management is inadequate. Bundu Waterfront of the Upper Bonny Estuary in Port Harcourt, Rivers State is a sink for macroplatics from careless disposal of solid wastes and inadequate management thus affecting the biological integrity and aquatic life of this estuary. The resultant impact of the macroplastics on abiotic factors through the evaluation of different floating …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 2, 2026 · pp. 12–22 Read article
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Environmental Economics of Cement Distribution: Impact of Geographic Variables on its Pricing and Marketing Structure in Rivers State
Abstract: The environment is a natural capital that supports all forms of business transactions and is a decisive factor in the economics of the construction Industry. Cement is a vital material used for building and construction works in contemporary society. Therefore, by virtue of its importance in the building and construction industry, its pricing and marketing structure are of vital and strategic significance to the availability of all forms of housing …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 12, Issue 2, 2022 · pp. 45–54 Read article
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Stability and Analysis of Retaining Wall of Bank Areas of the Ganga River
Abstract: Retaining walls are used from historic times to prevent the outflow of river and create havoc in the cities. The most important function of a retaining wall is to prevent entering the water in cities by giving higher length than the flood level and different styles of wall are used to secure town from high water level. Finite element technique is used to numerically model the wall and predict its …
Published in Journal of Geotechnical Engineering · Vol. 2, Issue 2, 2015 · pp. 15–19 Read article
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Land Use and Land Cover Change Detection Study at Pennar River Estuary, Nellore District, Andhra Pradesh, Southeast Coast of India
Abstract: Coastal zones are the most valuable and dynamic places on Earth. A large portion of the world’s population has habitat coastal areas. Fertile coastal low lands, abundant marine resources, water transportation, aesthetic beauty and intrinsic values have long motivated coastal habitation. Two-thirds of the world’s fish catch, and many marine species, depend on coastal wetlands for their survival. The process of coastal morpho-dynamics has resulted in environmental problems such as …
Published in Journal of Geotechnical Engineering · Vol. 1, Issue 1, 2014 · pp. 1–9 Read article
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The Efficiency of Solar Panel: Case Study of Cross River State University of Technology, Nigeria
Abstract: We use two solar panels; mono-crystalline and poly-crystalline solar panel, to determine how ambient temperature affects the efficiency of photovoltaic solar panels in Cross River State University of Technology within Calabar south metropolis. This shows that the efficiency of the solar planes actually decreases with increase in temperature and which also depends on the time interval. Keywords: Mono-crystalline solar panel, polycrystalline solar panel, ambient temperature
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 2, 2019 · pp. 23–27 Read article
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Comparative Physico-chemical Analysis of River Water and Pond Water in Summer Season of Rewa City (M.P.)
Abstract: In this research, we present the study of comparative physico-chemical analysis of River Behar water and Rani pond water of Rewa district, Madhya Pradesh state, India. The variable data of samples are within prescribed limits as suggested by World Health Organization (WHO), Indian standard (ISI) and BIS desirable limit for drinking water for drinking purpose. Yearly variation in physical and chemical parameters like temperature, turbidity, color, odor, taste, pH, total …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 1, 2016 · pp. 42–47 Read article
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Hydrological Modelling using Soil and Water Assessment Tool for Shivna River Basin and Calibration Using SWAT-GLUE Algorithm
Abstract: The management of water in India faces significant challenges in both the level i.e., quality andquantity. In order to address these challenges and to source the rational and efficient management ofwater resources, it is necessary to understand the different issues involved in the water cycle works.Thus, hydrological models are important tools that have been used in water resource planning and itsmanagement. In this study the hydrology of Shivna sub-basin which …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 1, 2021 · pp. 8–16 Read article
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Estimation of Soil Erosion for Sheonath River Basin by Using RUSLE and GIS
Abstract: Soil erosion is biggest problem throughout the world and its various hazardous impacts on human; it affects the quality of soil as well as quality of water. Its assessment and mapping of erosion prone area are very essential for soil conservation and watershed management. There are various models developed for soil loss estimation. Revised universal soil loss equation is most widely used. In present study, the RUSLE method is used …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 33–41 Read article
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Rainfall-runoff Modeling using HEC-HMS Hydrologic Model for Guder River Watershed, Blue Nile Basin, Ethiopia
Abstract: Rainfall-runoff modeling is important for a number of hydrologic applications including flood forecasting, water resource planning and management. This study presents the result of a watershed rainfall-runoff modeling for Guder river watershed having area of 6597 km 2 using Hydrologic Engineering Center-Hydrologic Modeling Systems (HEC-HMS). The watershed runoff is varying spatially and temporally due to manmade factors and natural factors on the watershed. These issue needs efficient water resource planning …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 2, 2021 · pp. 62–77 Read article
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Solid Waste Management in Gomti River Basin in Response to Rapid Urbanization: A Review of Existing Infrastructure
Abstract: Abstract The rapid economic growth along with development and expansion of urban infrastructure with improper design is leading to various problems for management of several components of infrastructure. Management of rapidly growing municipal solid waste (MSW) is one of the major challenges along with lack of maintenance of sewerage systems, sewage treatment plants, proper collection and disposal of waste. Due to change in lifestyle and increase in per capita income, …
Published in Journal of Water Pollution & Purification Research · Vol. 4, Issue 2, 2017 · pp. 13–18 Read article
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Studies on Trace Metal Pollution In Water of Lower Gadilam River
Abstract: The present work deals with the studies on trace metal pollution in water of lower Gadilamriver,Tamil Nadu, India. The main objectives of the proposed study are to detect the geochemical characteristics of the water sample collected from Gadilam River and to demarcate the spatial distribution of heavy metals and their influence on water of Gadilamriver and the surrounding environment. This study revealed that the enhanced concentration of trace metals in …
Published in Journal of Water Pollution & Purification Research · Vol. 5, Issue 1, 2018 · pp. 9–19 Read article
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Composition, Structure and Status of Woody Plants Along Dilla Zuria Rivers, Southern Ethiopia
Abstract: AbstractDilla zuria vegetation is located in Southern Ethiopia where agroforestry is highly exercised. The objective of the present study was to generate reliable information of floristic composition, diversity, structure and status of woody plant species in Dilla Zuria vegetation. The reliable data was collected from 50 plots each of 400 m2 using systematic sampling method. The plant species were identified by comparing with the voucher specimens preserved at National Herbarium, …
Published in Research & Reviews : Journal of Botany · Vol. 5, Issue 3, 2016 · pp. 1–15 Read article
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Investigating Forest Gap Makers and Seedling Recruitment on Mangrove Forest Ecosystem, Onne, Rivers State, Port Harcourt
Abstract: The present study investigated forest gap makers and seedlings recruitment in mangrove forest, Onne, Rivers state, Nigeria. The aim of the present study was to examine canopy gap characteristics and their influence on mangrove forest regeneration. The specific objectives were to identify gap makers and theagents of canopy gap formation in the three mangrove formations, investigate seedling recruitment and growth in forest gap sizes in the three mangrove formations. The …
Published in Research & Reviews : Journal of Ecology · Vol. 12, Issue 2, 2023 · pp. 47–52 Read article
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Socio-Economic Impacts of Rivers State Government Ring Road Project on Residents of Port Harcourt Municipality
Abstract: As nations strive towards improving the socio-economic well-being of its citizens, efficient transportation system in the form of ring roads have become a desideratum for reducing traffic congestion and enhancing movement of goods and services. The paper examines the impacts a ring road can have on residents of project area with emphasis on Port Harcourt. The Hazard and Effect Management Process (HEMP) technique developed by SHELL was used to examine …
Published in International Journal of Rural and Regional Development · Vol. 3, Issue 1, 2025 · pp. 42–51 Read article
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Detection of Radioactive Material Out of Regulatory Control: A Radiation Dose Survey of a University Environs in Rivers State, Nigeria
Abstract: This research investigates radiation levels at refuse dump sites and laboratories within the University of Port Harcourt, Nigeria environs and assesses the associated risks to human health and the environment. The study utilizes two radiation detection instruments namely the Personal Radiation Detector and the Radioisotope Identifier Device. The PRD offers real-time detection and spectroscopic analysis of gamma and neutron radiation, while the RID combines gamma and neutron radiation detection with …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 1–11 Read article
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Development of Mathematical Model to Predict Annual Runoff in Port Harcourt City, Rivers State, Nigeria
Abstract: This paper is aimed at monitoring and predicting annual runoff of Port Harcourt city for a classified area type and flat land of 0–5% slope. Mathematical models were developed to monitor and simulate annual runoff of an area type of 30% impervious (paved), 50% impervious (paved) and 70% impervious (paved) within the Port Harcourt city. The analysis of annual rainfall and annual runoff data gives a coefficient of determination of …
Published in Journal of Water Resource Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 29–36 Read article