Okpoji Awajiiroijana U.

University of Port Harcourt

Publishing since 2025, latest 2026

Pollution
Health, Toxicology and Mutagenesis
Renewable Energy, Sustainability and the Environment
Water Science and Technology
Geochemistry and Petrology
Ecology

Their record on OpenAlex

Publications: 262025–2026
Citations: 2to those papers
h-index: 1i10-index 0
Field-weighted impact: 0.041.00 is the world average
World top 10%: 0%0 of 26 scored papers
Open access: 81%21 papers free to read

By year

Papers, and the citations to them

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

Citations received each year

Peerford

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

Pollution1765%
Health, Toxicology and Mutagenesis1246%
Renewable Energy, Sustainability and the Environment

Career

On their papers

Every institution they have given on a paper.

Publications

26 in all

Assessment of Heavy Metal Contamination and its Associated Human Health Risks in the Nun River, Bayelsa State, Nigeria
2026Asian Journal of Research in ZoologyJournalOpen access0 citations10.9734/ajriz/2026/v9i1239
Integrated Water Quality and Human Health Risk Assessment in Diobu, Port Harcourt, Rivers State, Nigeria
2026

Download CV:PDFWord

Water Science and Technology623%

Geochemistry and Petrology519%

Environmental Engineering312%

Complementary and alternative medicine28%

General Economics, Econometrics and Finance28%

Health Sciences
Physical Sciences
Social Sciences

Topics most written on

Heavy metals in environment13
Oil, Gas, and Environmental Issues6
Toxic Organic Pollutants Impact6
Water Quality and Pollution Assessment5
Environmental Toxicology and Ecotoxicology4
Air Quality and Health Impacts3
Groundwater and Isotope Geochemistry3
Aquatic Ecosystems and Biodiversity2
Geochemistry and Elemental Analysis2
Geophysical and Geoelectrical Methods2
Medicinal Plant Studies2
Microbial bioremediation and biosurfactants2

Who they write with

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

Where their co-authors are

31% of their papers have a co-author abroad

papers co-written1223344Home

Most frequent partner countries

United States5
Russia2
Ethiopia1

Papers with at least one author in that country.

Institutions written with most

Nnamdi Azikiwe UniversityNG20 papers
Federal University of Technology OwerriNG11 papers
Akwa Ibom State UniversityNG10 papers
Usmanu Danfodiyo UniversityNG8 papers
Imo State Polytechnic OmumaNG6 papers
Alex Ekwueme Federal University, Ndufu-AlikeNG5 papers
Rivers State UniversityNG5 papers
Ignatius Ajuru University of EducationNG5 papers
University of CalabarNG5 papers
The Federal Polytechnic, Ado-EkitiNG5 papers

Where they publish

Agriculture Archives.3
Asian Journal of Research in Zoology3
Asian Journal of Applied Chemistry Research2
Asian Journal of Chemical Sciences2
Environmental Reports.2
Journal of applied physical science international2
Journal of Global Ecology and Environment2
Asian Journal of Environment & Ecology1

How it can be read

81% free to read

Diamond 14 · 54%Free to read and to publish
Gold 4 · 15%In an open-access journal
Hybrid 2 · 8%Open in a subscription journal
Bronze 1 · 4%Free to read, no open licence
Closed 5 · 19%Behind a paywall

Development goals addressed

From each paper’s title and abstract

14Life below water7
6Clean water and sanitation6
11Sustainable cities and communities3
15Life on land1

Most cited

Biomarker Responses in Fish and Crustaceans Exposed to Heavy Metals and Petroleum Hydrocarbons in the Qua Iboe Estuary, Niger Delta
Asian Journal of Research in Zoology
20252 citationsOpen access · Diamond
Assessment of Heavy Metal Contamination and its Associated Human Health Risks in the Nun River, Bayelsa State, Nigeria
Asian Journal of Research in Zoology6
20260 citationsOpen access · Diamond
Integrated Water Quality and Human Health Risk Assessment in Diobu, Port Harcourt, Rivers State, Nigeria
Asian Journal of Chemical Sciences11
20260 citationsOpen access · Diamond
Comparative Heavy Metal Bioaccumulation and Human Health Risk Assessment of Farmed and River-caught Catfish in Rivers State, Nigeria
Asian Journal of Research in Zoology
20260 citationsOpen access · Diamond
Heavy Metal Geochemistry and Ecological Risk of Stream Sediments in the Orashi River, Niger Delta, Nigeria
Journal of Global Ecology and Environment
20260 citationsOpen access · Diamond

Asian Journal of Chemical Sciences