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Isaac Okyere
Department of SurgeryLife SciencesPhysical SciencesHealth SciencesSocial Sciences

Isaac Okyere

48 Publications21 Research Themes27 Open Access
KNUST Profile
Research Overview & Focus

The researcher's work centers on the interdisciplinary application of physical sciences to study ecological, environmental, and social systems, particularly within Ghanaian coastal ecosystems. Their research encompasses a wide range of themes including marine and fisheries studies, sustainable practices in coastal communities, and the interaction between ecosystems and human activities such as air quality and COVID-19 pandemic impacts.

Key Research Themes (21)
Life Sciences

African Botany and Ecology Studies

Life Sciences

Aquaculture Nutrition and Growth

Physical Sciences

Aquatic Invertebrate Ecology and Behavior

Health Sciences

Child Nutrition and Water Access

Physical Sciences

Coastal and Marine Management

Physical Sciences

Coastal wetland ecosystem dynamics

Physical Sciences

Coral and Marine Ecosystems Studies

Physical Sciences

COVID-19 impact on air quality

Physical Sciences

Crustacean biology and ecology

Social Sciences

Fiscal Policy and Economic Growth

Life Sciences

Fish Biology and Ecology Studies

Physical Sciences

Fish biology, ecology, and behavior

Physical Sciences

Freshwater macroinvertebrate diversity and ecology

Physical Sciences

Heavy metals in environment

Physical Sciences

Marine and fisheries research

Physical Sciences

Marine animal studies overview

Life Sciences

Meat and Animal Product Quality

Physical Sciences

Microplastics and Plastic Pollution

Health Sciences

Pneumonia and Respiratory Infections

Life Sciences

Soil Carbon and Nitrogen Dynamics

Life Sciences

Vibrio bacteria research studies

Publications (48)

Metagenomic characterization of fire-adapted soil microbiomes in the Albany Pine Bush Preserve

Open Access
2025Soil Carbon and Nitrogen DynamicsDOI: 10.1128/mra.00664-25

An update on cetacean landings in artisanal fisheries along the coast of Ghana: 2023-2024

Open Access
2025Marine animal studies overviewDOI: 10.21203/rs.3.rs-7243800/v1

Drivers of Cetacean Exploitation: The Case of Ghanaian Coastal Waters in the Gulf of Guinea

2025Marine animal studies overviewDOI: 10.1002/aqc.70197

The Effects of Oven Type on the Quality of Smoked Fish: Comparison Between the Use of the Chorkor and Ahotor Ovens in Ghana

2025Aquaculture Nutrition and GrowthDOI: 10.1080/10498850.2025.2465633

Comparison of nasopharyngeal bacteriological profile between patients with diabetes and healthy individuals in Accra, Ghana

Open Access
2024Pneumonia and Respiratory InfectionsDOI: 10.1186/s13104-024-07003-3

Quantification and characterization of microplastics ingested by mangrove oysters across West Africa

Open Access
2024Microplastics and Plastic PollutionDOI: 10.1007/s11356-024-34470-9

Effects of Anthropogenic Activities on Sardinella maderensis (Lowe, 1838) Fisheries in Coastal Communities of Ibeju-Lekki, Lagos, Nigeria

Open Access
2024Marine and fisheries researchDOI: 10.3390/su16072848

Implementation of good manufacturing practices (GMP) to improve the quality of smoked fish (Scomber colias)

Open Access
2024Vibrio bacteria research studiesDOI: 10.1016/j.heliyon.2024.e27401

Effects of Anthropogenic Activities on <em>Sardinella maderensis</em> (Lowe, 1838) Fisheries in Coastal Communities of Ibeju-Lekki, Lagos, Nigeria

Open Access
2023Fish Biology and Ecology StudiesDOI: 10.20944/preprints202311.1856.v1

From the ground up: Unveiling Ghana's soil quality crisis and its ecological and health implications

Open Access
2023Heavy metals in environmentDOI: 10.1016/j.igd.2023.100097

Capacity deficit and marginalisation of artisanal fishers hamper effective fisheries governance in Ghana: Insights and propositions for promoting sustainable small-scale fisheries

2023Coral and Marine Ecosystems StudiesDOI: 10.1016/j.marpol.2023.105640

Implementation of a Basic GMP/HACCP System to Improve the Quality of Smoked Fish

Open Access
2023Meat and Animal Product QualityDOI: 10.2139/ssrn.4568853

Spotlighting Women-Led Fisheries Livelihoods Toward Sustainable Coastal Governance: The Estuarine and Mangrove Ecosystem Shellfisheries of West Africa

Open Access
2022Coral and Marine Ecosystems StudiesDOI: 10.3389/fmars.2022.884715

Maturity length, fecundity and spawning season of Atlantic chub mackerel <i>Scomber colias</i> in the coastal waters of Ghana (west-central Gulf of Guinea)

2022Marine and fisheries researchDOI: 10.2989/1814232x.2022.2113140

Malaria and Urinary Tract Infections among Children Under five Years with Malnutrition at a District Hospital in Ghana

Open Access
2022Child Nutrition and Water AccessDOI: 10.52547/iem.8.1.43

Socio-Economic Systems Response to Upwelling Variability in Small-Scale Fisheries: The Case of a Beach Seine Fishery in Ghana

2021Coral and Marine Ecosystems StudiesDOI: 10.1080/08920753.2022.2006883

Implications of overlooked seasonal growth dynamics in tropical fisheries assessment: A test case of an oyster (Crassostrea tulipa) fishery in the Densu Delta, Ghana

2021Marine and fisheries researchDOI: 10.1016/j.fishres.2021.106118

Sachet water quality and Vendors’ practices in Damongo, northern Ghana during the emergence of SARS-CoV-2 using multivariate statistics, water quality and pollution indices, and panel assessment

Open Access
2021Child Nutrition and Water AccessDOI: 10.1016/j.envc.2021.100164

Spawning habits and embryonic development of the banded lampeye killifish <scp> <i>Aplocheilichthys spilauchen</i> </scp> ( <scp>Duméril</scp> 1861) in <i>ex situ</i> fresh and brackish water environments

2021Fish biology, ecology, and behaviorDOI: 10.1111/jfb.14729

Physical distancing and risk of COVID-19 in small-scale fisheries: a remote sensing assessment in coastal Ghana

Open Access
2020COVID-19 impact on air qualityDOI: 10.1038/s41598-020-79898-4

Spawning habits and embryonic development of the lampeye killifish Aplocheilichthys spilauchen in ex situ fresh-and-brackish water environments

Open Access
2020Fish biology, ecology, and behaviorDOI: 10.21203/rs.3.rs-132624/v1

Community participation in assessment of fisheries related ecosystem services towards the establishment of marine protected area in the Greater Cape Three Points area in Ghana

Open Access
2020Coral and Marine Ecosystems StudiesDOI: 10.1016/j.marpol.2020.104336

Assessment of the fishery, growth and mortality characteristics of the cassava croaker, Pseudotolithus senegalensis (Sciaenidae) from coastal waters of Ghana

2020Marine and fisheries researchDOI: 10.1016/j.rsma.2020.101425

Assessment of the fishery, growth and mortality characteristics of the cassava croaker, Pseudotolithus senegalensis (Sciaenidae) from coastal waters of Ghana

Open Access
2020Marine and fisheries researchDOI: 10.21203/rs.3.rs-43312/v1

Fish species transshipped at sea (Saiko fish) in Ghana with a note on implications for marine conservation

Open Access
2020Marine and fisheries researchDOI: 10.21203/rs.3.rs-41329/v1

Physical distancing and risk of COVID-19 in small-scale fisheries: A remote sensing assessment in coastal Ghana

Open Access
2020COVID-19 impact on air qualityDOI: 10.21203/rs.3.rs-39872/v1

The Impact of Export and Import to Economic Growth of Ghana

Open Access
2020Fiscal Policy and Economic GrowthDOI: 10.7176/ejbm/12-21-15

Natural Regeneration of Indigenous Tree Species in <i>Broussonetia papyrifera</i> Invaded Sites in Pra -Anum Forest Reserve

Open Access
2020African Botany and Ecology StudiesDOI: 10.1155/2020/6347962

Growth, mortality, ovarian maturity, and exploitation of the Guinea shrimp, Holthuispenaeopsis atlantica (Balss, 1914) (Decapoda: Dendrobranchiata: Penaeidae) in inshore waters of Ghana, West Africa

Open Access
2020Fish Biology and Ecology StudiesDOI: 10.1093/jcbiol/ruaa010

Occurrence and food habits of the bagrid catfish Chrysichthys nigrodigitatus in the Pra River Estuary, Ghana

2020Fish Biology and Ecology StudiesDOI: 10.5455/jfcom.20190315071516

Occurrence and food habits of the bagrid catfish Chrysichthys nigrodigitatus (Lacepède, 1803) in the Pra River Estuary, Ghana -

2020Fish Biology and Ecology Studies

Habitat distribution, species composition and size structure of penaeid shrimps (Decapoda: Dendrobranchiata: Penaeidae) in inshore waters of Ghana

2020Crustacean biology and ecologyDOI: 10.5455/jfcom.20200510021108

Implications of the deteriorating environmental conditions of River Pra estuary (Ghana) for marine fish stocks

2019Fish Biology and Ecology StudiesDOI: 10.5455/jfcom.20190315062201

Assessment of the Ecological Health Status of River Pra Estuary (Ghana) and Adjoining Wetland using Physico-chemical Conditions and Macroinvertebrate Bioindicators

Open Access
2018Aquatic Invertebrate Ecology and Behavior

Larval prey selectivity of the lampeye killifish Aplocheilichthys spilauchen and its potential for mosquito biocontrol

2018Fish biology, ecology, and behaviorDOI: 10.1016/j.biocontrol.2018.11.010

Influence of diurnal tides and other physico-chemical factors on the assemblage and diversity of fish species in River Pra Estuary, Ghana.

2018Fish Biology and Ecology Studies

Community-based mangrove forest management: Implications for local livelihoods and coastal resource conservation along the Volta estuary catchment area of Ghana

2016Coastal wetland ecosystem dynamicsDOI: 10.1016/j.ocecoaman.2016.04.006

Assessment of aquatic ecosystems, the fishery and socio-economics of a coastal area in the Shama District, Ghana

2015Coastal and Marine Management

A Survey of the Benthic Macrofauna and Fish Species Assemblages in a Mangrove Habitat in Ghana

Open Access
2014Coastal wetland ecosystem dynamics

Profitability of Small-Scale Fisheries in Elmina, Ghana

Open Access
2012Marine and fisheries researchDOI: 10.3390/su4112785

Some ambient environmental conditions, food and reproductive habits of the banded lampeye killifish Aplocheilichthys spilauchen in the Kakum estuary wetland, Ghana

2011Fish biology, ecology, and behaviorDOI: 10.1007/s10641-011-9970-4

Economic Value Assessment of Small-Scale Fisheries in Elmina, Ghana

Open Access
2011Coral and Marine Ecosystems StudiesDOI: 10.3390/wsf-00719

Composition, Diversity and Food Habits of the Fish Community of a Coastal Wetland in Ghana

Open Access
2011Fish Biology and Ecology StudiesDOI: 10.5296/jee.v3i1.892

Hydrographic Conditions and the Macrozoobenthos of a Coastal Wetland in Ghana

Open Access
2011Coastal and Marine Management

Composition, Diversity and Food Habits of the Fish Community of a Tropical Coastal Wetland in Ghana

2011Fish Biology and Ecology StudiesDOI: 10.5296/jee.v2i1.683

Comparative ecological assessment of biodiversity of fishcommunities in three coastal wetland systems in Ghana

2011Fish Biology and Ecology Studies

Assessment of the environmental conditions and benthic macroinvertebrate communities in two coastal lagoons in Ghana

2011Freshwater macroinvertebrate diversity and ecology

Observations on the benthic macroinvertebrate and fish communities of the Kakum Estuary Wetland in Ghana

2010Fish Biology and Ecology Studies
Academic Metrics
DepartmentDepartment of Surgery
Total Publications48
Research Themes21
Open Access Papers27

Department of Surgery

Kwame Nkrumah University of Science and Technology

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