Dickson 'Dare Ajayi

• Doctor of Philosophy
• Professor at Department of Geography University of Ibadan

Gold mining in Mali contributes significantly to the country's socio-economic growth, employing hundreds of people and generating considerable export revenues and income. At the same time, gold mining still has a bad reputation in public opinion due to the environmental and socio-economic challenges it poses. It is therefore important to integrate...

Purpose In addition to its considerable economic benefits, mining generally has a significant environmental impact on the ecosystem and human health, despite the efforts made. Mali, the 13th gold producer in the world and 3rd in Africa, deserves very special attention. This paper aims to identify and assess the potential environmental impacts and e...

Land use and land cover (LULC) changes have far-reaching implications for hydrological response, making them a critical consideration in watershed management and water resources management. This review paper synthesizes key findings from the literature on the impacts of LULC changes on hydrological processes. The analysis highlights that LULC modif...

Purpose Gold mining is one of the most generative economic activities in many developing countries. Gold mining operations are generally recognized not only as being too energy and material intensive, but also as a source of pollution, social insecurity, and instability. Faced with this challenge and the challenge of integrating gold mining into th...

Students are provided with education, including environmental health education that they develop throughout their lives and the education empowers them to become active participants in the transformation of their communities. Therefore, this study aimed to examine awareness and knowledge about environmental health issues among secondary school stud...

Background: Increased environmental health problems have led to a rise in concern among individuals, as well as government and non-governmental organizations to tackle them. To achieve this, there is a need for behavioural change among individuals and the community on environmental health at local to international levels. The purpose of this paper...

The study aimed to critically assess secondary school students' perceptions of the nature and magnitude of environmental health problems in Mtwara town, Tanzania. A structured questionnaire was used to collect data, while descriptive statistics such as frequencies, percentages, mean, or standard deviation were applied to describe the basic characte...

This study evaluated the sanitation and hygiene practices of secondary school students from Mtwara town in Tanzania. A questionnaire survey was used to collect data on participants’ characteristics and responses to sanitation and hygiene practices were analyzed using descriptive statistics. Pearson's Chi-Square test was used to determine whether th...

In this study, the cross-sectional study was designed to assess efforts to solve environmental health problems in Mtwara town, Tanzania. A questionnaire survey was used to collect perceptions from 685 secondary school students on environmental health problems and efforts to solve these problems. Descriptive statistics such as frequencies and percen...

The aim of the study was to assess the impacts of quarrying activities on the environment and livelihood of people in the Border II sub‐location. Primary data was collected through questionnaires, Key Informant Interviews, Focus Group Discussion, laboratory analysis and observations. Whereas, secondary data was obtained from Landsat satellite image...

Since many diseases are caused by the build-up of free radicals, antioxidants help to scavenge free radicals and lessen their effects. The purpose of this study was to look into the phytochemical compositions and antioxidant potentials of methanolic extracts of Cymbopogon citratus leaves. Crude, bound, and free phenol extracts of C. citratus were p...

This paper examines the liberalisation and the regional air network configuration from Nigeria to other West African regions. It aims to study the impacts of liberalisation on the regional spatial structure of air networks from Nigeria to West Africa in the pre and post-liberalisation. The pre-liberalisation covers between 1988–2000, and the post-l...

This study aims at assessing runoff characteristics and water availability between 1955 and 2019 in the Nigerian sub-catchment of River Niger upstream of Baro, central Nigeria, and the implication for food security in the nation. The discharge regime of the sub-catchment is characterized by single peak, which occurs in September. The sub-catchment’...

This paper analyses the trends of inequality and its implications on the sustainable development of Delta State, Nigeria with a view to understanding the variation in inequality over space. A stratified sampling technique was adopted. Inequality was measured based on Gini co-efficient index from (2004-2016), while poverty categories (non-poor, tran...

This article examines the dynamics of inequality, poverty and sustainable development of Delta State, Nigeria. A non-probability and probability sampling technique was adopted. Inequality was measured based on Gini coefficient, while poverty categories (non-poor, transient poor and chronic poor) was measured using $1.25 and $2.00 thresholds respect...

Mobile telephone technology has penetrated all areas of life, and developing nations are enjoying the benefits it brings to various sectors, particularly healthcare. Existing literature have shown various determinants of mobile telephone usage for different purposes. However, very little attention has been given to the factors that determine the us...

This paper examined the socio-spatial factors influencing the severity of multi-dimensional poverty at the household level with a view to untangle the variations over space. Studies of multi-dimensional poverty at the household level rarely focus on multiple deprivations, poverty severity and variation in the distribution of multi-dimensional pover...

Forest Cover Loss (FCL) is considered one of the most critical environmental problem that devastates biodiversity, natural resources, affect food production and instigates food insecurity. The continuous rate of Sudan FCL in the last decades is alarming. This study assesses the potential of agroforestry as Forest Landscape Restoration (FLR) remedy...

The widespread use of mobile communications has resulted in a new practice in family and social life, with significant implications for physical distance. This is because mobile communication allows users to overcome spatial issues such as distance to healthcare services, shift to person-to-person connectivity, and the blur boundaries between one p...

The increasing use of mobile telephone technology is having significant implications for the study of urban travel. This is because mobile communication has brought about tremendous improvements in person-to-person connectivity. Existing literature has established the fact that the heavy traffic congestion in Lagos has adversely affected the moveme...

The pattern of linkages among 24 existing manufacturing firms in Oluyole Industrial Estate, Ibadan based on international Standard Industrial Classification (ISIC) was considered in this paper. Data were collected to determine the spatial extent and the level of involvement defined as whether backward or forward linkages. Using the Leontiff input-o...

This article analyzes the sociospatial dynamics of urban poverty with a view to untangle the spatial factors influencing the variations over space. A stratified sampling technique was adopted to administer a structured questionnaire of 2,521 head of household among the three Senatorial Districts of Delta State, Nigeria. There were uneven distributi...

This paper examined the effect of mobile telephone technology on physical distance separating out-patients from healthcare centres. A structured questionnaire which focused on socio-demographic characteristics (gender, age, income) and mobile telephone usage for healthcare services was randomly administered on 711 out-patients in Lagos University T...

The environmental impact of the Liquefied Natural Gas (LNG) Company for the environment and social conditions using the Nigeria Liquefied Natural Gas (NLNG) in Rivers State, Niger Delta area of Nigeria as a case study is analysed in this paper. Specifically, the paper analyses the environment and social consequences of the operations of NLNG on the...

This paper analyses recent trend and spatial patterns of manufacturing in Nigeria. In particular, the paper shows that industrial development in the country involved considerable artisanal crafts firms in the early stages and grew progressively in number over the years to large-scale manufacturing. The pattern of the distribution of manufacturing i...

This paper examines the determinants of students’ performance in the University. We used the grade point average (GPA) of students in Faculty of the Social Sciences of University of Ibadan as a model of characteristics of the students at the time of their entry into the university. This helps in identifying the | factors that are likely to predict...

This paper examines the temporal trend, that is, the growth in production subcontracting over the years in Nigeria. The relevant concepts are production subcontracting and diffusion of innovation. Data were collected from the sixtyeight contracting firms among 15 industrial estates/areas in the Lagos region. This paper shows that the growth in the...