Zobrazeno 1 - 10 of 22 pro vyhledávání: '"I Ewa-Oboho"'
1
Geochemical discrimination of bulk organic matter in surface sediments of the Cross River estuary system and adjacent shelf, South East Nigeria (West Africa)
Autor: Sumei Liu, Enobong Charles Udoh, I Ewa-Oboho, Solomon Felix Dan, Unyime U. Umoh, Bin Yang
Publikováno v: The Science of the total environment. 678
Knowledge of the sources, distribution and fate of organic matter (OM) in estuarine and adjacent shelf sediments are important for the understanding of the global biogeochemical cycles. Bulk organic carbon (C-org), total nitrogen (TN), biogenic silic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b76ed620812bc95726be498012ef489a
https://pubmed.ncbi.nlm.nih.gov/31077914
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2
Akademický článek
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5
Fish Species Used as Biomarker for Heavy Metal and Hydrocarbon Contamination for Cross River, Nigeria
Autor: Ekaete Francis Asuquo, I Ewa-Oboho, Paul J. Udo, F. Emile Asuquo
Publikováno v: The Environmentalist. 24:29-37
Enhanced concentrations of Fe, Zn, Mn, Pb, Cu, Cd and total hydrocarbons (THC) determined in fish samples from the Cross River system, Nigeria have been associated with clinical defects (nausea, headache, hepatitis, body rashes) observed in coastal r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34b2f7eeaaec35c033e7b2a22816015e
https://doi.org/10.1023/b:envr.0000046344.04734.39
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6
Effects of Simulated Oil Exposure on Two Intertidal Macrozoo Benthos: Tympanotonus fuscata (L) and Uca tangeri (Eydoux, 1935) in a Tropical Estuarine Ecosystem
Autor: I Ewa-Oboho, N.J. Abbykalio
Publikováno v: Ecotoxicology and Environmental Safety. 28:232-243
The impacts of simulated Nigerian light crude oil on mud flat periwinkles, Tympanotonus fuscata (L.), and fiddler crabs, Uca tangeri (Eydoux, 1935) was examined through field experiments conducted in the Bonny estuary of the Niger Delta (southern Nig
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a55c2fce94feed5ebac0ff7593e5e27
https://doi.org/10.1006/eesa.1994.1049
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7
Substratum preference of the tropical estuarine crabs, Uca tangeri Eydoux (Ocypodidae) and Ocypode cursor Linne (Ocypodidae)
Autor: I Ewa-Oboho
Publikováno v: Hydrobiologia. 271:119-127
The vertical and horizontal distribution of two burrowing mud crabs, (Ocypodidae) and Ocypode cursor Linne 1758 (Ocypodidae) are described for the Bonny Estuary (7° 00' E: 4° 20′ N), S. Nigeria. Substratum preference is the most prominent factor
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da78d2fa68c3d80a4e6d639d82696da8
https://doi.org/10.1007/bf00007548
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8
Ecological implications of allometric growth in Brachyurans: Data from Uca Tangeri resident in a West African mangrove swamp
Autor: N.J. Abbykalio, I Ewa-Oboho
Publikováno v: Global Journal of Pure and Applied Sciences. 16
A survey was carried out on the fiddler crabs present in a small naturally defined mangrove swamp in the upper Bonny Estuary of the Niger Delta (S. Nigeria), the purpose of which was to study the ecological significance of the claws of the Ocypodidae
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e249f6a37ebbd38f7a3b5a51f03e8014
https://doi.org/10.4314/gjpas.v16i1.66191
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9
Effect of crude oil extracts on early stages of African catfish Heterobranchus longifilis (val.) reared under controlled condition
Autor: I Ewa-Oboho, O Amu
Publikováno v: Global Journal of Environmental Sciences. 8
Eggs and larvae of Heterobranchus longifilis were exposed to extracts of different concentrations of Nigerian Bonny light crude oil and Exxon Mobil Oso off-shore condensate during a comparative toxicity experiment carried out in the Institute of Ocea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec2fa02f5d07b00168732412e3475a77
https://doi.org/10.4314/gjes.v8i2.53780
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10
Effects of crude oil on the gastropod, tympanotomus fuscata in the Cross River Estuary, south-east Nigeria
Autor: G. A. Otogo, I Ewa-Oboho
Publikováno v: Global Journal of Environmental Sciences; Vol 8, No 1 (2009)
Edible periwinkle, Tympanotonus fuscata, was collected from the Cross River estuary, allowed to acclimate to laboratory conditions for a week and then exposed to Nigerian light crude oil at different concentrations of 50ml, 100ml, and 150ml per litre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6405c0f21a25c493a1f576877d6fbca3
https://doi.org/10.4314/gjes.v8i1.50817
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