Shoreline Intertidal and Midchannel–subtidal polychaete assemblages of the Bonny River in Nigeria were studied during the months of July, August, September and October 2013 to represent the wet season and December 2013, January 2014, February to March 2014 to represent the dry se...
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Research Article10.9734/CJAST/2018/39419
The present study focused on the aspects of diatom population changes through the spring-neap-spring tidal phases along the Elechi creek - an estuary of the Bonny River. Water samples at high and low tide were collected during a cycle of spring-neap-spring cycle between September...
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Research Article10.9734/ARRB/2018/38457
Mangrove forests form one of the primary coastal ecosystems in the tropical and subtropical regions of the world with a high biodiversity value. Mangrove species are uniquely adapted to the Nigerian coasts, providing numerous biodiversity and ecosystem services and supporting coa...
Open access
Research Article10.9734/JGEESI/2017/38454
Natural habitats vulnerability to the oil spill was performed using the ArcGIS 10.3.1 and its Spatial Analyst extension. The input variables were land use land cover imagery, pipelines, wellheads and a flow station. The oil spill was modeled as a function of spread through land u...
Open access
Research Article10.9734/AJEE/2017/38635
The study evaluated the seasonal abundance of standing stock of phytoplankton groups in a tidal blackwater system of the New Calabar River in Nigeria. The focus was on observable patterns in phytoplankton community structure as it relates to the variations in the supplies of prod...
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Research Article10.9734/ARRB/2017/38456
A two-year data set of Periwinkle (Tympanotonous fuscatus) population from a deforested mangrove area was used to assess its population dynamics. Periwinkle snail samples in one hundred (100) 1 m2 quadrats were collected, each in 2015 and 2016. The summary statistics of the periw...
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Research Article10.9734/ARRB/2017/31513
Landsat 7 ETM Satellite imagery for 1987 and 2013 were used in a geographic information system to map and model changes in the Landuse and Landcover along the freshwater Riparian corridor of the New Calabar River. Percentage change in six Landuse-Landcover (LULC) features, namely...
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Research Article10.9734/BJAST/2016/30023
Aims: Compilation of the photographic checklist of the Chironomids under the subfamily Orthocladiinae from the Niger Delta of Nigeria. The compilation used records of specimens collected over a period of thirty years from many field trips. Study Design and Methodology: The photog...
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Research Article10.9734/ARRB/2016/30006
The Olero creek Zooplankton was sampled in wet season from 13 stations across a conductivity range of 150 µmhos to 8000 µmhos. The abundance of Copepods, some Cladocerans (Daphnia sp. and Ceriodaphna sp.) and Rotatoria did not vary together with conductivity in a correlation anal...
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Research Article10.9734/ARRB/2016/28945
The longitudinal zonation of polychaetes was studied across 13 stations on the Bonny River estuary. A total of eighty-eight (88) species of polychaetes, from 68 genera, belonging to 31 families, were identified. Based on salinity values, three major salinity zones were identified...
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Research Article10.9734/ARRB/2016/23682
A photographic checklist of the Chirominids under the subfamily Chironominanea from the Niger Delta of Nigeria was compiled using records of specimens collected over a period of thirty years from many field trips. The photographic keys were described to show the cephalothorax wit...
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Research Article10.9734/ARRB/2016/23133
The paper examines hydrocarbon oil spill Cleanup and Remediation from four perspectives namely historical, regulatory, scientific, and socioeconomic considerations. The historical perspectives show a gap of 12 years between oil production and environmental policies that would gui...
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Research Article10.9734/JGEESI/2016/22809
Fish species associations in three rivers, Orashi, Sombriero and New Calabar on the Eastern delta of Nigeria were studied using the presence-absence method. A total of 154 species were reported of which 135 species occurred on the Orashi River; 79 species on the Sombriero River a...
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Research Article10.9734/JABB/2015/18320
Midchannel subtidal Polychaete Fauna were collected at the Bonny-estuary and analysed for their composition and abundance in relation to biotic and abiotic factors that are associated with life history strategies through a twelve-month cycle. The diversity index of Shannon-Weiner...
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Research Article10.9734/ARRB/2015/18321
This study was aimed at determining the long-term changes in composition, abundance, and diversity of the phytoplankton community of the Oshika freshwater biota. Phytoplankton samples at Oshika lake were collected from the same stations and similar months as in the year 1983 stud...
Open access
Research Article10.9734/ajee/2021/v16i430262
The upsurge of abattoir operations as a result of the rise in demand for meat protein has led to a corresponding increase in waste generation. These wastes are often channelled into nearby streams with little or no treatment which exposes aquatic organisms to the resultant conseq...
Open access
Research Article10.9734/ajarr/2019/v7i430183