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Global Journal of Environmental Sciences最新文献

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Ecological dynamics of Orogodo River: The interaction of dissolved oxygen and biochemical oxygen demand 奥罗戈多河生态动态:溶解氧与生化需氧量的相互作用
Global Journal of Environmental Sciences Pub Date : 2009-03-13 DOI: 10.4314/GJES.V7I1.2503
A. Rim-Rukeh, Go Ikhifa, Pa Okokoyo, Mo Odjighere, Jk awatefe
{"title":"Ecological dynamics of Orogodo River: The interaction of dissolved oxygen and biochemical oxygen demand","authors":"A. Rim-Rukeh, Go Ikhifa, Pa Okokoyo, Mo Odjighere, Jk awatefe","doi":"10.4314/GJES.V7I1.2503","DOIUrl":"https://doi.org/10.4314/GJES.V7I1.2503","url":null,"abstract":"","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2009-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82213949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Some technologies of maintenance of soil fertility under conditions of permanent farming in the West African semi-arid Tropics and constrains to their adoption: a critical review 西非半干旱热带地区在永久耕作条件下保持土壤肥力的一些技术及其采用的限制:综述
Global Journal of Environmental Sciences Pub Date : 2009-03-13 DOI: 10.4314/GJES.V7I1.2512
M. Maiangwa
{"title":"Some technologies of maintenance of soil fertility under conditions of permanent farming in the West African semi-arid Tropics and constrains to their adoption: a critical review","authors":"M. Maiangwa","doi":"10.4314/GJES.V7I1.2512","DOIUrl":"https://doi.org/10.4314/GJES.V7I1.2512","url":null,"abstract":"","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"90 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2009-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77220897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An assessment of the status of Local Agenda 21 in Nigeria using Ondo states as a case study 评估尼日利亚地方《21世纪议程》的现况，以翁多州为个案研究
Global Journal of Environmental Sciences Pub Date : 2009-03-13 DOI: 10.4314/GJES.V7I1.2511
Vo Olumekun, O. Ige, P. Rooney
{"title":"An assessment of the status of Local Agenda 21 in Nigeria using Ondo states as a case study","authors":"Vo Olumekun, O. Ige, P. Rooney","doi":"10.4314/GJES.V7I1.2511","DOIUrl":"https://doi.org/10.4314/GJES.V7I1.2511","url":null,"abstract":"","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"56 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2009-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74186212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of used lubricating oil on the properties of low pour fuel oil 废润滑油对低倾燃料油性能的影响
Global Journal of Environmental Sciences Pub Date : 2008-03-25 DOI: 10.4314/GJES.V6I2.2500
Akan B. Williams, O. Akaranta
{"title":"Effects of used lubricating oil on the properties of low pour fuel oil","authors":"Akan B. Williams, O. Akaranta","doi":"10.4314/GJES.V6I2.2500","DOIUrl":"https://doi.org/10.4314/GJES.V6I2.2500","url":null,"abstract":"Effects of used lubricating oil on selected properties of low pour fuel oil (L.P.F.O) have been evaluated. The fuel oil was blended with used automotive crankcase oil at sample to used oil ratios of 9:1, 8:2, 7:3, 6:4 and 5:5. L.P.F.O analysis resulted in the following physicochemical properties: heat content (42.87 MJ/kg), kinematic viscosity at 70 oC (20.50 cSt), density at 15 oC (0.9601 kg/l), sulphur content (0.3295 wt%), water content (1.80 vol%) and ash content (0.073 wt%). The values obtained for used oil were lower than those of the blend. The physicochemical profile of L.P.F.O with increasing used oil blends indicated the following ranges: heat content (43.20 – 51.17 MJ/kg), kinematic viscosity at 70 oC (19.89 – 15.57 cSt), density at 15 oC (0.9430 – 0.10106 kg/l), sulphur content (0.3297 – 0.4821 wt%), water content (1.70 – 0.80 vol%) and ash content (0.069 – 0.055 wt%). Physicochemical profile of fuel oil blends showed the desirability of the blending as a positive influence on the heat content of fuel oil. Considering the need to utilize the observed positive effect of used oil additions on the heat content of fuel oil without seriously altering its physicochemical properties, a fuel oil to used oil ratio of 7:3 is recommended as an appropriate blend that could serve as a cost effective method of achieving the desired used oil properties and thus serve as an appropriate method for used oil disposal.","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"1 1","pages":"117-119"},"PeriodicalIF":0.0,"publicationDate":"2008-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80131429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cross River Estuary: Changing trends and resource utilization patterns 跨江河口:变化趋势与资源利用模式
Global Journal of Environmental Sciences Pub Date : 2008-03-25 DOI: 10.4314/GJES.V6I2.2495
F. Bisong, E. Andrew-Essien, M. Ambo, R. Offiong, I. E. Okon
{"title":"Cross River Estuary: Changing trends and resource utilization patterns","authors":"F. Bisong, E. Andrew-Essien, M. Ambo, R. Offiong, I. E. Okon","doi":"10.4314/GJES.V6I2.2495","DOIUrl":"https://doi.org/10.4314/GJES.V6I2.2495","url":null,"abstract":"","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"15 1","pages":"79-87"},"PeriodicalIF":0.0,"publicationDate":"2008-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81761984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lead and Copper in Kaduna Street Dust particulate matters 卡杜纳街道铅和铜粉尘颗粒物质
Global Journal of Environmental Sciences Pub Date : 2008-03-25 DOI: 10.4314/GJES.V6I2.2497
J. Ayodele, Z. Ali
{"title":"Lead and Copper in Kaduna Street Dust particulate matters","authors":"J. Ayodele, Z. Ali","doi":"10.4314/GJES.V6I2.2497","DOIUrl":"https://doi.org/10.4314/GJES.V6I2.2497","url":null,"abstract":"","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"84 1","pages":"99-106"},"PeriodicalIF":0.0,"publicationDate":"2008-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74754643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Determination of location and quantity of underground mineral resources 确定地下矿产资源的位置和数量
Global Journal of Environmental Sciences Pub Date : 2008-03-25 DOI: 10.4314/GJES.V6I2.2501
T. O. Idowu
{"title":"Determination of location and quantity of underground mineral resources","authors":"T. O. Idowu","doi":"10.4314/GJES.V6I2.2501","DOIUrl":"https://doi.org/10.4314/GJES.V6I2.2501","url":null,"abstract":"","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"40 1","pages":"121-134"},"PeriodicalIF":0.0,"publicationDate":"2008-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89633272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Watersheds geomorphometrics in reation to the flow regine in Aya River system of the Cross River Basin, Nigeria 尼日利亚克罗斯河流域阿雅河水系的流域地貌学研究
Global Journal of Environmental Sciences Pub Date : 2008-03-25 DOI: 10.4314/GJES.V6I2.2502
P. Utang, A. Akintoye, E. B. Enyogu
{"title":"Watersheds geomorphometrics in reation to the flow regine in Aya River system of the Cross River Basin, Nigeria","authors":"P. Utang, A. Akintoye, E. B. Enyogu","doi":"10.4314/GJES.V6I2.2502","DOIUrl":"https://doi.org/10.4314/GJES.V6I2.2502","url":null,"abstract":"","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"16 1","pages":"129-134"},"PeriodicalIF":0.0,"publicationDate":"2008-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72823929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Agroforestry systems for mitigating the problems of fuelwood scarcity int he Montane/Savanna ecosystems: A case study of Obudu Cattle Ranch, South-Eastern Nigeria 缓解山地/稀树草原生态系统薪材短缺问题的农林复合系统:尼日利亚东南部Obudu牛场案例研究
Global Journal of Environmental Sciences Pub Date : 2007-10-24 DOI: 10.4314/GJES.V6I1.2491
F. Bisong, M. Ambo, I. Ogar
{"title":"Agroforestry systems for mitigating the problems of fuelwood scarcity int he Montane/Savanna ecosystems: A case study of Obudu Cattle Ranch, South-Eastern Nigeria","authors":"F. Bisong, M. Ambo, I. Ogar","doi":"10.4314/GJES.V6I1.2491","DOIUrl":"https://doi.org/10.4314/GJES.V6I1.2491","url":null,"abstract":"The study highlights the need for an agroforestry system that will reduce the problem of fuelwood scarcity in the Obudu Cattle Ranch settlement of Cross River State, South-Eastern Nigeria. Using Participatory Rural Appraisal (PRA) methodology, general information on Local crop types, fuelwood species known to the people, their reasons for the preference of particular fuelwood species, the quantity extracted and who does the harvesting was collected.\u0000Qualitative and descriptive statistics such as matrix ranking techniques, simple proportions/percentages and tables were employed in the data analysis. Results show that integration of woody species with annual crops in agroforestry systems can enhance sustainability of production systems in the montane and savanna ecosystem under low input conditions. Agroforestry has short and long-term protective and socio-economic benefit and would go a long way in checking the problems of erosion, flooding, adverse change in ecology, decline in soil productivity, loss of useful species of organisms (plants and wildlife) and the gradual deterioration of the entire forest lands (deforestation). Stable indigenous and prototype agroforestry systems suitable for the regions are available. However, they need wider testing and use.\u0000 Global Journal of Environmental Sciences Vol. 6 (1) 2007: pp. 53-64","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"25 1","pages":"53-64"},"PeriodicalIF":0.0,"publicationDate":"2007-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80157925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Mass waisting in Song area of the Hawal Basement, NE Nigeria 在尼日利亚东北部的哈瓦尔地下室的Song地区，群众腰部
Global Journal of Environmental Sciences Pub Date : 2007-10-24 DOI: 10.4314/GJES.V6I1.2492
N. E. Bassey
{"title":"Mass waisting in Song area of the Hawal Basement, NE Nigeria","authors":"N. E. Bassey","doi":"10.4314/GJES.V6I1.2492","DOIUrl":"https://doi.org/10.4314/GJES.V6I1.2492","url":null,"abstract":"A phenomenal mass waste incident was reported in Song area of Adamawa State in May 2003.The incident took place at a geomorphologic landmark called the Three Sisters Hills. The area is a metamorphic terrain, with Pan African granitoids occurring as intrusives. Basaltic flow is widespread with exposures along stream courses. Investigation reveals that the mass wasting is caused by a combination of lithological, structural, topographic, climatic and organic factors. Implications of the incident, and mitigation measures to avoid risks of loss of lives or property in the event of future occurrence are presented. Global Journal of Environmental Sciences Vol. 6 (1) 2007: pp. 65-70","PeriodicalId":12569,"journal":{"name":"Global Journal of Environmental Sciences","volume":"60 1","pages":"65-70"},"PeriodicalIF":0.0,"publicationDate":"2007-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84472111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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