Paul Kojo Mensah
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View article: Toxicity of Commonly Used Plasticizers to the Freshwater Organisms <scp> <i>Tilapia sparrmanii</i> </scp> (Fish) and <scp> <i>Caridina nilotica</i> </scp> (Shrimp): Lethal and Sublethal Effects
Toxicity of Commonly Used Plasticizers to the Freshwater Organisms <span> <i>Tilapia sparrmanii</i> </span> (Fish) and <span> <i>Caridina nilotica</i> </span> (Shrimp): Lethal and Sublethal Effects Open
The toxicity of microplastics in aquatic environments is usually due to plasticizers, the chemical additives that keep the plastic polymers together. Thus, the current study reports on the toxicity of three common plasticizers found in fre…
View article: Hybrid Firefly–Particle Swarm Optimization for Parameter Tuning of XGBoost: Network Intrusion Detection
Hybrid Firefly–Particle Swarm Optimization for Parameter Tuning of XGBoost: Network Intrusion Detection Open
Machine learning-based Intrusion Detection Systems (IDS) have demonstrated strong detection performance but remain highly sensitive to hyperparameter choices. XGBoost is widely used for tabular security data but requires careful tuning to …
View article: Hybrid Firefly and Particle Swarm Optimization for parameter tuning of XGBoost: Network Intrusion Detection
Hybrid Firefly and Particle Swarm Optimization for parameter tuning of XGBoost: Network Intrusion Detection Open
This paper presents an intrusion detection framework combining machine learning, feature engineering, and metaheuristic optimization to enhance network security. The approach employs Extreme Gradient Boosting (XGBoost) for automatic featur…
View article: Hybrid Firefly and Particle Swarm Optimization for XGBoost Parameter Tuning Problem: Network Intrusion Detection
Hybrid Firefly and Particle Swarm Optimization for XGBoost Parameter Tuning Problem: Network Intrusion Detection Open
This research aimed was to optimize hyperparameters in NIDS using the XGBoost model by employing a hybrid metaheuristic approach, mixing Firefly Algorithm (FA) and Particle Swarm Optimization (PSO). To cope with the rapidly rising volume a…
View article: Assessing mercury and lead pollution in the Ankobra estuary due to artisanal mining activities: Implications for water quality and aquatic life
Assessing mercury and lead pollution in the Ankobra estuary due to artisanal mining activities: Implications for water quality and aquatic life Open
Artisanal and small-scale gold mining, “Galamsey” as it is called in Ghana, within the Ankobra estuary has impacted the water quality, fish health and other aquatic organisms. This paper presents a study investigating the concentrations of…
View article: Hybrid Firefly and Particle Swarm Optimization designed for xgboost tuning problem: network intrusion detection
Hybrid Firefly and Particle Swarm Optimization designed for xgboost tuning problem: network intrusion detection Open
A Network Intrusion Detection System (NIDS) is a widely used tool for detecting attacks and securing networks, though it commonly faces the challenge of false positives. Based on a comparative analysis of Firefly algorithm for feature sele…
View article: Juvenile Species in Beach Seine Bycatch Along the Coast of Ghana: Any Implications for Fisheries?
Juvenile Species in Beach Seine Bycatch Along the Coast of Ghana: Any Implications for Fisheries? Open
Beach seine is a popular fishing gear along the coast of West Africa. The low selectivity of this gear, coupled with its mode of operation, results in the bycatch of juveniles of commercially important fish species and other non‐target org…
View article: Optimizing XGBoost for Intrusion Detection Using a Hybrid Firefly-PSO Algorithm
Optimizing XGBoost for Intrusion Detection Using a Hybrid Firefly-PSO Algorithm Open
Intrusion detection systems (IDS) play a critical role in safeguarding networks against cyberattacks. Machine learning algorithms, particularly XGBoost, have been widely adopted in IDS for their robustness and efficiency. However, the perf…
View article: Human Health Thrives Thanks To Biodiversity
Human Health Thrives Thanks To Biodiversity Open
Did you know health is not just about not being sick? It is about feeling well. In healthy ecosystems, you can find plants, animals, water, rocks, and soil, all interacting with many microbes. Thanks to this biodiversity we have clean air,…
View article: Isolation and evaluation of local microalgal isolates as feed for larval rearing of <i>Crassostrea tulipa</i> towards optimisation of mangrove oyster seed production in Ghana
Isolation and evaluation of local microalgal isolates as feed for larval rearing of <i>Crassostrea tulipa</i> towards optimisation of mangrove oyster seed production in Ghana Open
This study explored the potential of three local microalgal isolates as feed for oyster larvae in laboratory‐rearing experiments, towards the optimisation of seed production of Crassostrea tulipa to support its large‐scale farming along th…
View article: Effective toxicity of pH to embryonic development of the banded lampeye killifish Aplocheilichthys spilauchen (Duméril, 1861)
Effective toxicity of pH to embryonic development of the banded lampeye killifish Aplocheilichthys spilauchen (Duméril, 1861) Open
The banded lampeye killifish, Aplocheilichthys spilauchen, feeds on larvae of the anopheles mosquito, which makes the fish a good candidate for biological control of malaria. Aquatic organisms require optimal hydrogen ion concentration (pH…
View article: Hybrid Firefly and Particle Swarm Optimization Designed for Xgboosttuning Problem: Intrusion Detection in Network
Hybrid Firefly and Particle Swarm Optimization Designed for Xgboosttuning Problem: Intrusion Detection in Network Open
The growing of threads and intrusions on networks make the need for developing efficient and effective intrusion detection systems a necessity. Powerful solutions of intrusion detection systems should be capable of dealing with central net…
View article: Benthic macroinvertebrates as indicators of water quality: A case study of estuarine ecosystems along the coast of Ghana
Benthic macroinvertebrates as indicators of water quality: A case study of estuarine ecosystems along the coast of Ghana Open
Increasing human activities in coastal areas of Ghana have led to the degradation of many surface waterbodies, with significant consequences for the ecosystems in the affected areas. Thus, this degradation extremely affects the health of e…
View article: Widespread Geographical Disparities in Phytoplankton Ecology Research in the Face of Climate Change: A Review
Widespread Geographical Disparities in Phytoplankton Ecology Research in the Face of Climate Change: A Review Open
Climate change is a global threat that is better understood through global research spanning many regions, countries, and life-supporting ecosystems. This review focused on the bibliometric analysis of the distribution of a global research…
View article: Caridina nilotica Biomarker Sensitivity Distribution for Roundup ® : Towards Derivation of Water Quality Guideline Values
Caridina nilotica Biomarker Sensitivity Distribution for Roundup ® : Towards Derivation of Water Quality Guideline Values Open
Currently, the species sensitivity distribution (SSD) approach is considered a useful tool in aquatic ecotoxicology for predictive effect assessments of toxicants. This approach is based on the variation in species sensitivities expressed …
View article: Adapted Water Quality Indices: Limitations and Potential for Water Quality Monitoring in Africa
Adapted Water Quality Indices: Limitations and Potential for Water Quality Monitoring in Africa Open
A Water Quality Index (WQI) is a tool that describes the overall water quality by combining complex and technical water quality information into a single meaningful unitless numerical value. WQIs predict water quality since they reflect th…
View article: 1H-NMR Determination of Organic Compounds in Municipal Wastewaters and the Receiving Surface Waters in Eastern Cape Province of South Africa
1H-NMR Determination of Organic Compounds in Municipal Wastewaters and the Receiving Surface Waters in Eastern Cape Province of South Africa Open
Surface water is the recipient of pollutants from various sources, including improperly treated wastewater. Comprehensive knowledge of the composition of water is necessary to make it reusable in water-scarce environments. In this work, pr…
View article: Effect of fly ash-lime treatment on the acute toxicity of greywater towards Daphnia magna
Effect of fly ash-lime treatment on the acute toxicity of greywater towards Daphnia magna Open
Acute toxicity of raw and treated greywater towards Daphnia magna was assessed in this study. Treatment was performed with exposure of greywater to the fly-lime mixture After 48 h of exposure, 100 % mortality of D. magna was recorded when …
View article: Saving freshwater from salts
Saving freshwater from salts Open
Ion-specific standards are needed to protect biodiversity