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9 articles for “New Calabar River”
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Assessment of Metal Concentrations in Water from the Downstream Segment of New Calabar River, Port Harcourt Segment of New Calabar River, Port Harcourt
Abstract: The downstream segment of the New Calabar River, Port Harcourt has been a major source of water and sea foods for the inhabitants. The concentration of heavy and trace metals such as Cadmium (Cd), Lead (Pb), Mercury (Hg), Copper (Cu) and Iron (Fe) in water were investigated between January – December, 2016 using Atomic Absorption Spectrophotometer (AAS). The results showed that station 2 had the highest concentration of the metals …
Published in Research & Reviews : Journal of Ecology · Vol. 9, Issue 1, 2020 · pp. 1–7 Read article
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Zooplankton Assemblages and Limnological Properties of the Choba Segment, Upper Reaches of New Calabar River, Port Harcourt, Nigeria
Abstract: The zoological assemblage and the limnological characteristics of the Choba segment of the upper reaches of New Calabar river, Port Harcourt was studied between March and May, 2021. Three stations were sampled for water and zooplankton using a 45 m plankton net and plastic bottles, respectively, in accordance with the APHA's standard procedure. The results showed that a total of 696 zooplankton individuals consisting of 22 species from four taxonomic …
Published in Research & Reviews : Journal of Ecology · Vol. 12, Issue 1, 2023 · pp. 1–11 Read article
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Growth and condition of Eleotris vittata from New Calabar River Port Harcourt Nigeria
Abstract: The growth and condition of Eleotris vittata was studied in the New Calabar River from samples collected over a period of twelve months. This study was to provide the much needed data for the management of the stock as there was hardly any information on the species from that water body. Regression analysis using the power curve “W = aTLb” showed that the growth of the fish was negatively allometric …
Published in Research & Reviews : Journal of Ecology · Vol. 9, Issue 1, 2020 · pp. 14–18 Read article
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Abundance of the Sleeper Fish Eleotris vittata from the New Calabar River, Port Harcourt, Nigeria
Abstract: Abundance of Eleotris vittata from the New Calabar River was studied over a period of twelve months. The study was necessitated from the unavailability of data on the species/stock in the water body. Stock abundance estimated by catch per unit effort recorded an increased catch in the dry season (55.42%) over the wet season (44.58%), the observation was similar for the sexes; males (22.72% for dry season, and 13.42% for …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 8, Issue 1, 2019 · pp. 6–9 Read article
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Stomach Content of the Sleeper Fish, Bostrychus africanus from the New Calabar River, Nigeria
Abstract: Stomach content of the sleeper fish, Bostrychus africanus from the New Calabar river, Nigeria, was studied over a period of three months. The study was conducted to provide information on the likely nutritional requirement for the fish, if it is to be cultured. Analysis using Index of relative importance (IRI) showed that crab parts was the most important food item. Other items contained in the gut included nematodes, shrimp, pisces …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 8, Issue 3, 2019 · pp. 13–16 Read article
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Population biology of the Sleeper fish Eleotris vittata from New Calabar River , Port Harcourt, Nigeria
Abstract: The population of Eleotris vittata was studied in the New Calabar River over a period of twelve months with the aim of providing a baseline data for the management of the stock; this was due to unavailability of information on the status of the stock. Analysis for growth using the Von Bertalanffy function revealed that length infinity was 26.34cm, parameter of curvature was 1.18cm/year, and the growth performance index was …
Published in Research & Reviews : Journal of Ecology · Vol. 8, Issue 2, 2019 · pp. 28–31 Read article
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Growth and Stomach Content of Pellonula leonensis from New Calabar River, Rivers State, Nigeria
Abstract: The growth and food of Pellonula leonensis from the New Calabar River, Port Harcourt, Nigeria was studied, with the view of developing a proper feed that could meet the fish nutritional needs if reared in captivity. Analysis of growth using the length and weight measurements by applying regression analysis indicated that the fish had an allometric growth (2.6425 ± 0.078), and a condition factor of 0.8731. The fish’s food preferences …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 14, Issue 1, 2025 · pp. 14–18 Read article
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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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The Effects of Physiochemical Parameters and Microbial Counts on Metal Coupons Corrosions in Freshwater Environment at Different Water Depths
Abstract: The effect of water quality on metal coupon corrosion was investigated at the New Calabar River in Choba. The study examined metal corrosion rates at five different depths: 30 cm, 60 cm, 90 cm, 120 cm, and 150 cm in a freshwater environment. Water samples were collected at each depth and analyzed for physicochemical and microbial parameters to understand their impact on metal degradation. Key parameters measured included pH, Electrical …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 31–51 Read article