Joan Nyika
YOU?
Author Swipe
View article: Groundwater salinization challenges in agriculturally valuable low-lying North Sea region: A review
Groundwater salinization challenges in agriculturally valuable low-lying North Sea region: A review Open
Groundwater is an essential freshwater source in the North Sea region (NSR) used in agricultural irrigation, for trade, transport, and tourism in addition to regulating environmental flows. Historical palaeogeographical transformations and…
View article: SDG 6 progress analyses in sub-Saharan Africa from 2015–2020: the need for urgent action
SDG 6 progress analyses in sub-Saharan Africa from 2015–2020: the need for urgent action Open
This study used data from various international databases to track the progress of SDG 6 target indicators in sub-Saharan Africa (SSA) region between 2015 and 2020. Findings showed that although minimal positive progress was realized in th…
View article: Factors and mechanisms regulating heavy metal phycoremediation in polluted water
Factors and mechanisms regulating heavy metal phycoremediation in polluted water Open
Rapid advances to industrialization and population increases have put aquatic ecosystems at high risk of pollution from various industrial and municipal effluents. The effluents consist of heavy metals (HM), micropollutants, nutrients, mic…
View article: MANAGING WATER SCARCITY IN AN ERA OF CLIMATE CHANGE IN DEVELOPING COUNTRIES: THE CASE STUDY OF KENYA
MANAGING WATER SCARCITY IN AN ERA OF CLIMATE CHANGE IN DEVELOPING COUNTRIES: THE CASE STUDY OF KENYA Open
Kenya is one of the water-scarce nations in the sub-Saharan Africa region that is seeking for alternative water sources to meet the ever-rising demands of the resource for its growing population amidst climate variability. Desalination is …
View article: The Progress in Using 3-D Printing Wastes Towards a Circular Economy
The Progress in Using 3-D Printing Wastes Towards a Circular Economy Open
Additive manufacturing (AM) is a growing technology due to its ability to improve contemporary production techniques. However, resultant waste from the involved processes is a growing concern. In this mini-review, we explore on the strateg…
View article: Introduction to Water Resources of Sub-Saharan Africa
Introduction to Water Resources of Sub-Saharan Africa Open
This chapter explored the sources of water used by sub-Saharan Africa (SSA) for drinking and ways in which users access it. The total amount of renewable water in SSA was reported to be more than 8, 200 cubic kilometers annually (km3/year)…
View article: A mini-review on wastewater treatment through bioremediation towards enhanced field applications of the technology
A mini-review on wastewater treatment through bioremediation towards enhanced field applications of the technology Open
This study reviewed the use of microorganisms for bioremediation of wastewater. The aim was to ensure enhanced transfer of findings on bioremediation experiments at laboratory level for field applications, which is currently limited. Using…
View article: Genetically modified foods: bibliometric analysis on consumer perception and preference
Genetically modified foods: bibliometric analysis on consumer perception and preference Open
In this study, we present the bibliometric trends emerging from research outputs on consumer perception and preference for genetically modified (GM) foods and policy prescriptions for enabling the consumption using VOSviewer visualization …
View article: A scientometric study on quantitative microbial risk assessment in water quality analysis across 6 years (2016–2021)
A scientometric study on quantitative microbial risk assessment in water quality analysis across 6 years (2016–2021) Open
Water contamination by microbes is a growing environmental challenge that has exacerbated the apparent scarcity of safe drinking water. To alleviate this challenge, it is important to screen water for pathogens to reduce the risk of contra…
View article: THE PROGRESS IN USING GREYWATER AS A SOLUTION TO WATER SCARCITY IN A DEVELOPING COUNTRY
THE PROGRESS IN USING GREYWATER AS A SOLUTION TO WATER SCARCITY IN A DEVELOPING COUNTRY Open
Increased production of greywater prompted by the rise of urbanization and increased population in the industrial era is a growing environmental concern exacerbating the apparent water insecurity. Treatment and reuse of greywater is a prom…
Consumer perception and preference towards genetically modified (GM) foods: bibliometric evidence and policy imperatives. Open
Consumer perception and preference towards genetically modified (GM) foods: bibliometric evidence and policy imperatives.AbstractBackground: Genetically modified (GM) foods could be a promising option to reduce the dependence of the agri-f…
View article: Cellular agriculture research progress and prospects: Insights from bibliometric analysis
Cellular agriculture research progress and prospects: Insights from bibliometric analysis Open
World agriculture is facing a daunting task to feed the burgeoning population against multiple production and environmental threats. The alarming growth in population vis-à-vis current food production is expected to increase the global foo…
View article: The Potential of Biomass in Africa and the Debate on Its Carbon Neutrality
The Potential of Biomass in Africa and the Debate on Its Carbon Neutrality Open
To enhance the energy security and promote energy diversity, biomass sources of energy are viable resources worldwide. Bioenergy is an organic source of power derived from various feedstock including fuel wood, energy crops, solid wastes, …
View article: Assessment of trace metal contamination of soil in a landfill vicinity: A southern Africa case study
Assessment of trace metal contamination of soil in a landfill vicinity: A southern Africa case study Open
Contamination of soils by trace elements is a worldwide concern and has negative effects on environmental sustainability. Geochemical assessment of soils using appropriate indicators and pollution indices has received much attention in rec…
View article: Heavy Metal Pollution and Mobility in Soils within a Landfill Vicinity: A South African Case study
Heavy Metal Pollution and Mobility in Soils within a Landfill Vicinity: A South African Case study Open
Heavy metal contamination in soils results from anthropogenic and lithologic factors and is a potential hazard to land and water resources. Sources of such pollution include landfills, domestic sewage, agricultural fertilisers and industri…
View article: Hydrogeochemical Analysis and Spatial Distribution of Groundwater Quality in Roundhill Landfill Vicinity of South Africa
Hydrogeochemical Analysis and Spatial Distribution of Groundwater Quality in Roundhill Landfill Vicinity of South Africa Open
Groundwater is the most reliable resource for consumptive uses worldwide, but it is vulnerable to anthropogenic pollution in this post-industrialization era. Pollution of the resource may result from anthropogenic activities; hence, analys…
View article: A Comparison of Reproducibility of Inductively Coupled Spectrometric Techniques in Soil Metal Analyses
A Comparison of Reproducibility of Inductively Coupled Spectrometric Techniques in Soil Metal Analyses Open
Precise estimation of metals in samples remains a challenge as a result of analytical biases and errors, which occur at sample collection, preparation, and measurement stages. A poor understanding of the nature and occurrence of these erro…
View article: Situational analysis of Nairobi River Basin (NRB)
Situational analysis of Nairobi River Basin (NRB) Open
Nairobi River Basin (NRB) remains an important ecosystem owing to its endowment with natural resources and its socio-economic value to Kenyans. However, it is vulnerable due to poor resource management, pollution and an increase in the ris…