John Blay

Publishing since 1981, latest 2024

Aquatic Science
Global and Planetary Change
Ecology
Nature and Landscape Conservation
Earth-Surface Processes
Physiology

In their own words

Fisheries Biology
Aquaculture
Aquatic Ecosystems Health

Publications: 601981–2024
Citations: 699to those papers
h-index: 16i10-index 23
Field-weighted impact: 0.821.00 is the world average
World top 10%: 4%1 of 27 scored papers
Open access: 33%9 of the 27 whose access is recorded

4 other works — preprints, datasets and the like — are listed but not counted.

Google Scholar shows 945 citations, h-index 18 and i10-index 27 (411 citations and h-index 11 since 2021), as of October 3, 2026. It also counts theses, books and web pages, so it runs higher.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

60 in all

Stock assessment and reproductive biology of bluespotted seabream Pagrus caeruleostictus (family: Sparidae)
2024Aquaculture Fish and FisheriesJournalOpen access1 citation10.1002/aff2.163
Mangrove resource utilization and impacts in the Pra and Kakum estuaries of Ghana
2023Regional Studies in Marine Science

Download CV:PDFWord

Citations received each year

PeerfordGoogle Scholar

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Aquatic Science2033%
Global and Planetary Change1525%
Ecology1220%
Nature and Landscape Conservation1220%
Earth-Surface Processes23%
Physiology23%
Atmospheric Science12%
General Agricultural and Biological Sciences12%
Genetics12%
Health, Toxicology and Mutagenesis12%

Life Sciences
Physical Sciences

Topics most written on

Fish Biology and Ecology Studies19
Marine and fisheries research14
Fish Ecology and Management Studies9
Aquatic Ecosystems and Biodiversity8
Coastal wetland ecosystem dynamics3
Coral and Marine Ecosystems Studies3
Fish biology, ecology, and behavior3
Marine Bivalve and Aquaculture Studies3
Aquaculture Nutrition and Growth2
Coastal and Marine Dynamics2
Oil Palm Production and Sustainability2
Reproductive biology and impacts on aquatic species2

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

15% of their 27 papers with recorded affiliations have a co-author abroad

papers co-written1111222Home

Most frequent partner countries

Nigeria2
Germany1
United States1

Papers with at least one author in that country.

Institutions written with most

Council for Scientific and Industrial ResearchGH3 papers
University of IlorinNG2 papers
Leibniz Centre for Tropical Marine ResearchDE1 paper
University of Rhode IslandUS1 paper
University of Education, WinnebaGH1 paper
Jasikan College of EducationGH1 paper

Where they publish

Journal of Fish Biology4
Journal of the Ghana Science Association4
University of Cape Coast4
West African Journal of Applied Ecology4
Ghana Journal of Science3
Academic Journal of Life Sciences2

Development goals addressed

From each paper’s title and abstract

14Life below water24
2Zero hunger1
6Clean water and sanitation1
13Climate action1

Most cited

Biodiversity threats assessment of the Western Region of Ghana
The integrated coastal and fisheries governance (ICFG) initiative Ghana
201058 citations
Status of the small pelagic stocks in Ghana in 2019
Scientific and Technical Working Group. USAID/Ghana Sustainable Fisheries Management Project (SFMP). Narragansett, RI: Coastal Resources Center, Graduate School of Oceanography, University of Rhode Island. GH2014_SCI083_CRC
202048 citations
The Effect of some Selected Pesticides on the Growth and Reproduction of Fresh Water Oreochromis niloticus, Chrysicthys nigrodigitatus and Clarias gariepinus
Bulletin of Environmental Contamination and Toxicology14

Ghana Case Study Two

2023Challenges in Tropical Coastal Zone ManagementBook chapterSenior author1 citation10.1007/978-3-031-17879-5_14

The biological characteristics of the Nile tilapia (Oreochromis niloticus) in the Weija Reservoir, Ghana

2022International Journal of Bonorowo WetlandsJournalOpen accessCorresponding0 citations10.13057/bonorowo/w120105

Status of the small pelagic stocks in Ghana in 2019

2020Scientific and Technical Working Group. USAID/Ghana Sustainable Fisheries Management Project (SFMP). Narragansett, RI: Coastal Resources Center, Graduate School of Oceanography, University of Rhode Island. GH2014_SCI083_CRCJournal48 citations

On-farm Floating Feed Formulation for Growth and Survival of Tilapia

2019Éditions universitaires européennesReport1 citation

Status of Ghana’s small pelagic stocks and recommendations to achieve sustainable fishing 2017

2018Scientific and Technical Working Group. USAID/Ghana Sustainable Fisheries Management Project (SFMP)Journal6 citations

Status of the small pelagic stocks in Ghana and recommendations to achieve sustainable fishing 2017

2018Scientific and Technical Working Group. USAID/Ghana Sustainable Fisheries Management Project (SFMP). Coastal Resources Center, Graduate School of Oceanography, University of Rhode Island. GH2014_SCI042_CRCJournal32 citations

Rebuilding Depleted Small Pelagic Stocks in Ghana. A Closed Fishing Season Proposal to the Ministry of Fisheries and Aquaculture Development

2016The Scientific and Technical Working Group. The USAID/Ghana Sustainable Fisheries Management Project (SFMP)Book chapter6 citations

Rebuilding depleted small pelagic stocks in Ghana

2016A closed fishing season proposal to the Ministry of Fisheries and Aquaculture Development. The Scientific and Technical Working Group. The USAID/Ghana Sustainable Fisheries Management Project (SFMP). Coastal Resource Center, Graduate School of Oceanography, University of Rhode Island, Narragansett, RIJournal8 citations

Factors influencing the range shift of plant species in wetlands, Northern Region (GHANA)

2014Annals of Experimental BiologyJournalSenior author4 citations

Saline Water and Agroforestry Systems on Degraded Land: an Evaluation

2011International Journal of Ecology and Environmental SciencesJournal4 citations

Biodiversity threats assessment of the Western Region of Ghana

2010The integrated coastal and fisheries governance (ICFG) initiative GhanaJournal58 citations

Food and feeding habits of grey Mullets (Pisces: Mugilidae) in two estuaries in Ghana

2009West African Journal of Applied EcologyJournalOpen access16 citations10.4314/wajae.v8i1.45786

Lagoon tilapia: bioprofile and prospects for coastal fisheries

2009University of Cape CoastReportFirst author0 citations

In vitro fertilization and embryonic development of crassostrea tulip in Ghana

2007Journal of the Ghana Science AssociationJournalSenior author3 citations

6. Food and feeding habits of grey Mullets (Pisces: Mugilidae) in two estuaries in Ghana

2005West African Journal of Applied EcologyJournal40 citations

Sea turtle nesting and the effect of predation on the hatching success of the olive ridley (Lepidochelys olivacea) on Old Ningo Beach, Ghana, West Africa

2003Proceedings of the Twenty-second Annual Symposium on Sea Turtle Biology and Conservation: 4 to 7 April 2002, Miami, Florida, USAJournalSenior author0 citations

Occurrence and diversity of juvenile marine fishes in two brackishwater systems in Ghana

1997Biodiversity conservation: Traditional knowledge and modern conceptsJournal13 citations

African Journal of Marine Science

Regional Studies in Marine Science2

How it can be read

33% free to read, of the 27 recorded

Diamond 4 · 7%Free to read and to publish
Gold 2 · 3%In an open-access journal
Hybrid 1 · 2%Open in a subscription journal
Bronze 2 · 3%Free to read, no open licence
Closed 18 · 30%Behind a paywall
Unknown 33 · 55%Not recorded by the source

Who funds it

4 of 60 papers name a funder

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior1
Council of Scientific and Industrial Research, India1
Directorate for Biological Sciences1
Foshan University1
United States Agency for International Development1