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Articles 1 - 18 of 18
Full-Text Articles in Life Sciences
First Report Of Hog-Plum (Spondias Pinnata) Leaf Spot Disease, Kunal Mandal
First Report Of Hog-Plum (Spondias Pinnata) Leaf Spot Disease, Kunal Mandal
Kunal Mandal
Hog–plum is a tree species with edible fruits. The plant is naturally distributed in the tropical areas of the Indian subcontinent. Our effort to introduce it in the semi– arid conditions of western India failed as the plants developed severe shot–hole type leaf spot symptoms. Association of a fungus with the disease was detected and its pathogenicity was established. The pathogen was identified to the genus level (Colletotrichum) based on the morphological and molecular markers.
Labor Unions And Climate Change, Jon Foster
Labor Unions And Climate Change, Jon Foster
Jon Foster
The challenge of climate change and the need for a shift to more ecologically sustainable methods of production and innovation can dramatically redefine the strategy and objectives of the labor movement as a whole. Furthermore, within the specific sectors of: Agriculture, Construction, Utilities, and Automobiles, the reality of a changing environment, and social views, has already begun redefining what the future of these industries will mean in relation to labor unions.
Assessment Of Organic And Inorganic Phosphorus In Soils Derived From Cretaceous Sediments And Basement Complex Soils Of Guinea Savannah Of Kogi State, North Central Nigeria, Sunday I. Amhakhian, H H. Isitekhale, Charles I. Oyewole
Assessment Of Organic And Inorganic Phosphorus In Soils Derived From Cretaceous Sediments And Basement Complex Soils Of Guinea Savannah Of Kogi State, North Central Nigeria, Sunday I. Amhakhian, H H. Isitekhale, Charles I. Oyewole
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
A pot experiment was carried out using 20 surface soils (0-15cm depth) in 2008 to assess soil organic phosphorus and some fraction of inorganic phosphorus in other to know their availability in the soils of the studied area and also work have not been done in this areas in respect to organic and in-organic phosphorus. The experiment was conducted using 20 soils 10 from each geological formation (Cretaceous sediments and Basement complex soils), respectively. The mean organic phosphorus of 63.51 mgkg 1 soil was obtained for Cretaceous sediment soils and 158.54 mgkg 1 soil for the basement complex soils respectively. …
Development Of Functional Indices Of Facility Occurrence Towards The Distribution Of Social Services In Lagos Island Nigeria., Augustus O. Atubi
Development Of Functional Indices Of Facility Occurrence Towards The Distribution Of Social Services In Lagos Island Nigeria., Augustus O. Atubi
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
Proper coordination of transport and public facilities provision is vital to any balanced regional development strategy. The central aim of this study, therefore, is to find out what the relationship is between access to the transport network and the provision of functional indices of facility occurrence towards the distribution of social services in Lagos Island, Nigeria. In particular it seeks to find out areas that have below or above average level of facility occurrences relative to the level of accessibility. However, a pair wise correlation matrix of the eleven (11) variables employed in the index construction was carried out. The …
Urban Climate And Challenges Of Tropical Cities, B E. Omogbai
Urban Climate And Challenges Of Tropical Cities, B E. Omogbai
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
This study examines the nature of urban climate, features and the challenges on the developing tropical cities in the 21st century. It argues that the use of principles of urban climate would help in providing comfortable living conditions and problem immune working environments for the inhabitants of tropical cities. The findings reveal that owing to poor environmental planning, inadequate geotechnical landscape surveys prior to the development of urban infrastructures, and non-adherence to the principles of urban climate, challenges of landscape degradation, excessive flooding of the built infrastructures, heat-island effects, and collapse of buildings have emerged. Suggested measures to avert these …
Detecting Changes In Landuse/Cover Of Umuahia, South-Eastern Nigeria Using Remote Sensing And Gis Techniques, Fanan Ujoh, Olarewaju Oluseyi Ifatimehin, Adams Ndalai Baba
Detecting Changes In Landuse/Cover Of Umuahia, South-Eastern Nigeria Using Remote Sensing And Gis Techniques, Fanan Ujoh, Olarewaju Oluseyi Ifatimehin, Adams Ndalai Baba
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
Since 1991 when it became the capital city of Abia State, Umuahia has undergone tremendous transformation in its land use and land cover due to rapid urbanization. The main materials employed for this study are a land use map (1991) and Landsat ETM+satellite image (2007) of the study area. These, combined with field survey/checks, were brought into a GIS environment using ILWIS 3.2 Academic image classification software to map the land use/land cover and to estimate the rate of urban expansion and loss of rural land at the peri-urban fringes of Umuahia between 1991 and 2007. The study revealed significant …
Gender Participation In The Management Of Tricycle Transport For Youth Empowerment And Sustainable Development In Kano State, Nigeria, Nuratu Muhammed
Gender Participation In The Management Of Tricycle Transport For Youth Empowerment And Sustainable Development In Kano State, Nigeria, Nuratu Muhammed
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
The research examined gender participation in the management of tricycle for youth empowerment and sustainable development in Kano state, Nigeria. Stratified random sampling technique was used to select samples of drivers(150), passengers (150) and owners/managers the female tricycle owners fell under this category and they numbered(65).All together a total of 365 samples were selected for the study. Data obtained from the primary data was analyzed using simple statistical techniques and chi square test to ascertain whether there was any significant differences in some of the variables tested. The results of the analysis revealed that the main difference was found in …
Magnesium: An Overlooked Nutrient?, Robert Mikkelsen
Magnesium: An Overlooked Nutrient?, Robert Mikkelsen
Robert Mikkelsen
Magnesium nutrition of plants is frequently overlooked and shortages can adversely impact plant growth. Many essential functions require adequate Mg supplies... the most visible being its role in chlorophyll and photosynthesis... but less visible reactions are also dependent on an adequate supply of Mg. When needed, a variety of soluble and slowly soluble Mg sources are available to meet crop demands.
Environmental Problems Of Industrialization And Sustainable Development In Nigeria - A Review, Adejoh Iyaji
Environmental Problems Of Industrialization And Sustainable Development In Nigeria - A Review, Adejoh Iyaji
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
The main objective of this paper is to examine the impact of the quest for industrialization on the environment in Nigeria; others include, the identification of the objectives of sustainable development as well as making recommendations that will lead to the much needed sustainable environment both for the present generation and generations yet unborn. The researcher relied principally on secondary sources of data for this paper which is theoretical in approach. Findings revealed the emergence of a host of environmental problems such as air pollution, deforestation, desertification, solid and hazardous waste problems in the wake of the quest for industrialization. …
The Analysis Of Agricultural Landscape Change Using Gis Techniques. Case Study: Podoleni, Romania, Dan A. Chelaru, Adrian Ursu, Florin C. Mihai
The Analysis Of Agricultural Landscape Change Using Gis Techniques. Case Study: Podoleni, Romania, Dan A. Chelaru, Adrian Ursu, Florin C. Mihai
Florin C MIHAI
The increasingly tensions rising between society’s need for resources and space on the one hand, and the capacity of the land to support these needs on the other hand lead to unprecedented changes in landscape configuration, and hence, to the environment. This paper analyzes changes in the agricultural landscape of Podoleni, Neamt County, Romania, in spatio - temporal terms, as a result of the modernization of the ground processing techniques, types of crops, and the degree of fragmentation of land parcels. The study was conducted using Geographical Information Systems techniques, the main materials used in the analysis are topographic maps …
Buried Clay Pot Irrigation, David A. Bainbridge
Buried Clay Pot Irrigation, David A. Bainbridge
David A Bainbridge
Buried clay pot irrigation was first described in Chinese texts from more than 2000 years ago. It uses a porous clay pot to provide demand responsive irrigation. Efficiency is often 3-10 times conventional surface irrigation.
Total Phenolic Contents, Antioxidant And Antimicrobial Activities Of Bruguiera Gymnorrhiza, Rosna Binti Mat Taha
Total Phenolic Contents, Antioxidant And Antimicrobial Activities Of Bruguiera Gymnorrhiza, Rosna Binti Mat Taha
Rosna Binti Mat Taha
In the present work, the antioxidant and antibacterial activities of methanolic, ethanolic and chloroform crude extract of leaves and barks of Bruguiera gymnorrhiza were investigated. The antioxidant activity of the crude extracts were evaluated using the enzymatic and non enzymatic methods namely superoxide dismutase determination, reducing power assay and 2, 2-diphenyl-1-picrylhydrazil free radical scavenging assays. Folin-ciocalteu reagent method was used to estimate the amount of total phenolic compounds of the extracts. Ethanol extract of barks showed the best result in all antioxidant assays which was positively co-related with the total phenolic contents. There was no significant difference between the IC(50) …
Effect Of Picloram, Additives And Plant Growth Regulators On Somatic Embryogenesis Of Phyla Nodiflora (L.) Greene, Rosna Binti Mat Taha
Effect Of Picloram, Additives And Plant Growth Regulators On Somatic Embryogenesis Of Phyla Nodiflora (L.) Greene, Rosna Binti Mat Taha
Rosna Binti Mat Taha
The present study describes the plant regeneration via somatic embryogenesis in suspension culture derived from the leaf and stem explants of Phyla nodiflora. The medium type, plant growth regulators, complex extract (coconut milk and malt extract) and anti-oxidant (activated charcoal, ascorbic acid, Polyvinylpyrrolidone and citric acid) markedly influenced the embryo regeneration of P. nodiflora. MS with 2,4-D and activated charcoal (10 mg/L) gave the highest stimulation of embryogenic callus growth. Optimized callus was transfered into suspension culture, which showed the globular, heart shaped embryos in MS with 2,4-D + BA + picloram (0.1 mg/L), coconut milk (10 ml/L), citric acid …
A Quantitative Method For Fungal Ligninolytic Enzyme, Teck Nam Ang Dr., Gek Cheng Ngoh Dr, Adeline Seak May Chua Dr
A Quantitative Method For Fungal Ligninolytic Enzyme, Teck Nam Ang Dr., Gek Cheng Ngoh Dr, Adeline Seak May Chua Dr
Teck Nam Ang Dr.
Screening is conducted to select a fungus with desired characteristics intended for various applications, e.g. bioremediation and enzyme production. A qualitative method was used in this study for screening of fungal ligninolytic enzymes activities. The fungal ligninolytic activity was correlated with its growth from the screenings to identify a suitable fungus for solid substrate fermentation. Four strains of fungi, namely Phanerochaete chrysosporium, Pycnoporus sanguineus, Phlebia radiata and Pleurotus sajor-caju, were screened for their ligninolytic enzymes activities using guaiacol and Remazol Brilliant Blue-R (RBB-R) as screening reagents. The screenings were conducted at both the optimal growth temperature of each fungus and …
Effects Of Different Irrigation Programs On Yield And Quality Parameters Of Eggplant (Solanum Melongena L.) Under Greenhouse Conditions, Ulas Senyigit, Abdullah Kadayifci, Özge Uysal, Hasan Oz, Atılgan Atilgan
Effects Of Different Irrigation Programs On Yield And Quality Parameters Of Eggplant (Solanum Melongena L.) Under Greenhouse Conditions, Ulas Senyigit, Abdullah Kadayifci, Özge Uysal, Hasan Oz, Atılgan Atilgan
Hasan OZ
This study was carried out to determine the effects of different irrigation programs on yield and quality parameters of eggplant under greenhouse conditions, using Class A pan evaporation calculations and different plant-pan coefficients. Irrigation water was applied through drip irrigation method twice a week during the growing period. Irrigation treatments consisted of five plant-pan coefficients (S1: kcp = nonirrigation, S2: kcp = 0.50, S3: kcp = 0.75, S4: kcp = 1.00 and S5: kcp = 1.25). The amount of irrigation water ranged between 95.2 and 238.7 mm among the treatments. Evapotranspiration (ET) values varied from 93.1 to 466.3 mm for …
Creating A Soil Data Base In A Reconnaissance Soil Fertility Ssstudy Of An Encroached Forest Reserve In Northern Nigeria For A Reforestation Programme, F O. Adekayode, Dr. Dipo Theophilus Akomolafe Mbcs, Mncs, Mcpn,
Creating A Soil Data Base In A Reconnaissance Soil Fertility Ssstudy Of An Encroached Forest Reserve In Northern Nigeria For A Reforestation Programme, F O. Adekayode, Dr. Dipo Theophilus Akomolafe Mbcs, Mncs, Mcpn,
Dr. Dipo Theophilus Akomolafe MBCS, MNCS, MCPN,
The reconnaissance soil fertility study of 10,000 ha partly encroached forest reserve located between latitude 11°47’N and 11°56’N and longitude 4°22’E and 4°32’E in Northern Nigeria was conducted in 2009 to generate a soil fertility data base of the reserve. The tracking of the forest reserve boundary was done using a Garmin 72 model global positioning system (GPS) receiver. The geographic coordinates were input into the computer to generate a digital map of the forest reserve. The entire forest reserve was divided into grids to guide in the location for soil sampling using the GPS/Geographic Information System (GIS) geospatial technique. …
Adaptive Responses To Flooding Incidents In Ilorin, Kwara State, Nigeria, Habiba I. Jimoh, Kayode A. Iroye
Adaptive Responses To Flooding Incidents In Ilorin, Kwara State, Nigeria, Habiba I. Jimoh, Kayode A. Iroye
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
Incidents of floods which are mainly caused by changes in landuse is fast becoming a city life experience in Ilorin as in most urban centres in Nigeria causing untold hardships and sometimes loss of lives. This extreme hydro-meteorological event is also being exacerbated by climate change which thus calls for adaptive response by residents towards reducing its risks, hence this study. Data used were generated from direct field measurements and questionnaire administration. Descriptive statistics and cross tabulations were used in analyzing the data. Results obtained indicate that most respondents use a wide range of non-structural adaptive response to flood. The …
An Assessment Of Socio-Economic Impact Of Waste Scavenging As A Means Of Poverty Alleviation In Gwagwalada, Abuja., John Yakubu Magaji, Samuel Panse Dakyes
An Assessment Of Socio-Economic Impact Of Waste Scavenging As A Means Of Poverty Alleviation In Gwagwalada, Abuja., John Yakubu Magaji, Samuel Panse Dakyes
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
Waste scavengers are usually perceived as being among the poor, and scavenging is considered a marginal activity. They tend to have low incomes, but can obtained decent earning when they are not exploited by middlemen. This study was conducted in Gwagwalada town with the aim of assessing the socio-economic impact of scavenging on the people. A structured questionnaire was constructed to capture the demographic characteristics of the scavengers, their experiences, types of items scavenged, the economic gains and the challenges being faced. The target pollution is waste scavengers and a random sampling technique was adopted in selecting the respondents for …