Adesoji Akinwumi Adeyemi

@unilorin.edu.ng

Associate Professor
University of Ilorin

https://researchid.co/adeyemi.aa

RESEARCH, TEACHING, or OTHER INTERESTS

Forestry, Global and Planetary Change, Ecological Modeling, Nature and Landscape Conservation

Scopus Publications

443

Scholar Citations

Scholar h-index

Scholar i10-index

Scopus Publications

Nutritional composition of cassava (Manihot esculenta Crant) peel products

Evaluation of Land-Use and Land-Cover Changes in Oba Hills Forest Reserve, Osun State, Nigeria
Adesoji Akinwumi Adeyemi, , Moses Olayemi Ayinde, and
AVES Publishing Co.

Semen indices, growth response and sperm reserve of male rabbits fed zinc supplemented diets
Adenike Abiodun Adeyemi, Oyinofeoluwa Wuraola Ibrahim, Oluwabusayomi Omotoyosi Ajayi, and Samuel Tobi Ayeni
Universitat Politecnica de Valencia
<p>This study was carried out to assess the effect of dietary levels of zinc on semen indices, growth parameters and testicular sperm reserve of heterogeneous stock of male rabbits. Twenty male rabbits aged 6 mo old were randomly allotted to four groups of five males each and fed diets containing 0, 50, 100 and 150 mg of zinc gluconate per kg diet, respectively, for eight weeks. Semen was collected from the males weekly using an artificial vagina and semen volume (mL), spermatozoa motility (%), sperm concentration (×10<sup>8</sup>/mL) and live sperm cells (%) were assessed. Seminal plasma was separated from the semen by centrifugation, and its zinc concentration was determined using atomic absorption spectrometry. The weights of the males were taken weekly, and the daily feed intake was recorded. At the end of the feeding trial, the rabbits were stunned and slaughtered; the testes and epididymis were carefully removed and homogenised to determine sperm reserves using standard procedure. The result showed that semen indices were not significantly influenced by the dietary levels of zinc gluconate. Seminal zinc concentration was significantly higher in males fed 100 and 150 mg of zinc per kg compared to those in the control group. A higher body weight gain (454±50.3 g), testes weight (6.23±0.25 g) and epididymis weight (1.63±0.59 g) was recorded in males fed diet supplemented with 50 mg of Zinc gluconate per kg. No significant effect of dietary zinc supplementation was recorded in testicular sperm reserve. Epididymal sperm reserve was significantly higher in males fed the diets including 100 and 150 mg of zinc gluconate per kg. In conclusion, dietary levels of zinc gluconate did not improve semen quality and growth indices but increased seminal zinc concentration, which could result in improved prostate health in the heterogeneous stock of male rabbits in the tropics.</p>

Spatiotemporal analysis of land-use and land-cover changes in Kainji Lake National Park, Nigeria
Adesoji Akinwumi Adeyemi, , Taofiq Maijindadi Ibrahim, and
AVES Publishing Co.

Impact of the oversight role of NGOs on the environmental reporting and social responsibility of listed manufacturing companies in Nigeria
A. A. Adeyemi, O. T. Bakare, A. J. Akindele, and O. Soyode
Emerald Publishing Limited
Public concern for the natural environment has been one of the vital issues of discussion in recent decades across the globe. Individuals are now stressing the importance of the natural environment. In the context of developing countries, nongovernmental organisations (NGOs) are well positioned to have powerful impact on the discharge of corporate social responsibility through the usual pressures and lobbies exerted by the NGOs and their various networks than any other stakeholder. This study examines the impact of NGOs on environmental reporting of quoted manufacturing companies listed on Nigerian Stock Exchange. Using simple random sampling technique, secondary data were collected from annual reports and accounts of 10 selected manufacturing companies spanning 2010–2019. Multiple regression technique was used to analyse data collected. The findings reveal that environmental reporting and corporate social responsibility costs do not have significant impact on ROA and NPM with p-value of 0.713 and 0.612 at 5% level of significance, respectively, but both variables have positive significant effect on ROA. This means that the fund committed to environmental cost by these selected firms does not reflect on their profitability for the period reviewed. Based on this, it was recommended that as a matter of urgency for international Environmental NGOs should collaborate with local ones in achieving environmental friendly society. Similarly, United Nations should channel more funding on environment-focused NGOs because environmental issue is one of the cardinal points to be achieved by Sustainable Development Goals.

Site quality assessment and allometric models for tree species in the Oban Forest, Nigeria
Adesoji A. Adeyemi
Informa UK Limited
ABSTRACT The suitability of site form (SF) methods for evaluating site quality was investigated. Systematic sampling techniques were used for plot location in four sites (Aking, Ekang, Erokut, and Ekuri) within the Oban Forest of Nigeria. Four 2-km-long transects/sites were sampled, totaling 16 transects. Five 0.25-ha plots were alternately laid along each transect, making 80 plots. All trees with diameter at breast height (DBH) ≥ 10 cm were measured for height and diameter at the merchantable limit, middle, and base. Soil samples were collected at 0–15 and 15–30 cm depths in each plot, then analyzed using standard laboratory procedures. Site forms were computed using an index diameter of 25 cm. Data were analyzed using descriptive statistics, correlation analyses, and regression models. Ekuri had the highest stand density (173.0 ± 51.0 stems/ha), Erokut had the lowest (143.0 ± 39.0 stems/ha). Ekang had the highest stem volume (3,847.14 ± 2.16 m3/ha), while Erokut had the lowest (2,127.71 ± 1,382 m3/ha). The most productive site was Ekang (SF = 26.52 m), while Erokut was the least productive site (SF = 21.70 m). Stem volume (SV) has significantly positive correlations with soil organic matter, calcium, and silt. The best height-diameter model was logarithmic (R2 = .51; RMSE = 4.462). The most suitable SV model was polynomial (R2 = .85; RMSE = 2.207).

Local depletion of two larger Duikers in the Oban Hills Region, Nigeria
Saka O. Jimoh, Emmanuel T. Ikyaagba, Abideen A. Alarape, Adesoji A. Adeyemi, and Matthias Waltert
Wiley
Across West and Central Africa, duikers are important for trade and consumption; their populations are expected to become depleted. Reliable data on their status are scanty in Nigeria. We assessed duiker populations in the Oban Sector of Cross River National Park through diurnal and nocturnal surveys along 32 transects of 2 km each. After 508-km survey effort, only Ogilby's duiker (Cephalophus ogilbyi) and blue duiker (Philantomba monticola) were recorded. Using habitat as a covariate in modelling detection probability in DISTANCE 6.0, we estimated densities for the blue duiker ranging from 15.5 (95% CI: 7.8–30.9) in the core, 5.8 (CI: 2.6–12.9) in the buffer and 0.9 (CI: 0.09–10.1) km² in farm fallow to no duikers in the plantation. For Ogilby's duiker, densities ranged from 1.6 (95% CI: 0.7–3.7) km² in the core, 2.0 (CI: 0.8–5.1) in buffer to no duikers in farm fallow and plantation. The apparent absence of yellow-backed and Bay duikers may indicate local depletion. We call on all stakeholders to rise up to the challenge of rescuing this biological hotspot in Nigeria from further degradation and species loss through improved funding for well-equipped field staff and institutionalized community wildlife management. Resume Dans toute l'Afrique de l'Ouest et l'Afrique centrale, les cephalophes sont importants pour le commerce et la consommation, et l'on s'attend a ce que leurs populations s'effondrent. Les informations fiables sur leur statut sont tres rudimentaires au Nigeria. Nous avons evalue les populations de cephalophes dans le secteur d'Oban du Cross River national Park lors d'etudes diurnes et nocturnes le long de 32 transects de 2 km chacun. Apres une etude portant sur 508 km, seuls le cephalophe d'Ogilby (Cephalophus ogilbyi) et le cephalophe bleu (Philantomba monticola) furent releves. En utilisant l'habitat comme covariante en modelisant la probabilite de detection avec DISTANCE 6.0, nous avons estime pour le cephalophe bleu des densites allant de 15.5 (95% d'intervalle de confiance, IC: 7.8–30.9) au centre, et de 5.8 (IC: 2.6–12.9) dans la zone tampon, a 0.9 (IC: 0.09–10.1) km−2 dans les zones agricoles en jacheres et aucun cephalophe dans la plantation. Pour le cephalophe d'Ogilby, les densites allaient de 1.6 (95% IC: 0.7–3.7) km−2 au centre, a 2.0 (IC: 0.8–5.1) dans la zone tampon et aucun dans les jacheres et la plantation. L'absence apparente de cephalophes a dos jaune et a bande dorsale noire pourrait indiquer un epuisement local. Nous en appelons a toutes les parties prenantes pour qu'elles relevent le defi et sauvent ce haut-lieu biologique nigerian de toute nouvelle degradation et de toute nouvelle perte d'especes grâce a un meilleur financement d'un personnel de terrain bien equipe et a l'institutionnalisation de la gestion communautaire de la faune.

RECENT SCHOLAR PUBLICATIONS

Assessment of Carbon Sequestration in Borgu Sector of Kainji Lake National Park, North-Central Nigeria
AA Adeyemi, FE Aderibigbe
Forestist 74 (3) 2024

Impacts of Vegetation Losses over Time on Land Surface Temperatures in Borgu Sector of Kainji Lake National Park, Nigeria
AA Adeyemi, KO Atere
Tanzania Journal of Forestry and Nature Conservation 92 (1), 50-63 2023

Conservation Areas Monitoring at Ubima and Elele Estates of Siat Nigeria Limited
AA Adeyemi, FA Egwumah
Siat Nigeria Limited, Ubima Estate, Km 6, Elele-Owerri Road, Ikwere LGA 2022

Early Growth Performance of Parkia biglobosa (Jacq. R. Br.) Benth under Different Growth Conditions
AA Adeyemi, MO Kelani
Forestry Association of Nigeria 2022

Milk yield and Milk Composition of West Africa Dwarf Does as influenced by Body weight and Body Temperature
AT Yusuff, AA Adeyemi, MO Lawal, JS Decampos, BH Ajao, JO Aremu
2022

EVALUATION OF RESPONSES OF Tetrapleura tetraptera (Schum. and Thonn.) Taub. TO VARYING GROWTH CONDITIONS
AA Adeyemi, SA Akanbi
Journal of Forestry Research and Management 19 (2), 125-139 2022

EVALUATION OF FOREST-COVER DYNAMICS AND ITS DRIVERS IN OKELUSE FOREST RESERVE, ONDO STATE, NIGERIA
AA Adeyemi, GE Olowo
Journal of Agriculture and Environment 18 (1), 107-125 2022

Evaluation of Land-Use and Land-Cover Changes in Oba Hills Forest Reserve, Osun State, Nigeria
AA Adeyemi, MO Ayinde
Forestist 72 (2), 137-148 2022

Land-use/Land-cover Changes and Deforestation in Effan Forest Reserve, Kwara State, Nigeria
AA Adeyemi, FM Owolabi
2021

EVALUATION OF LAND-USE AND LAND-COVER CHANGES CUM FOREST DEGRADATION IN SHASHA FOREST RESERVE, OSUN STATE, NIGERIA USING REMOTE SENSING
AA Adeyemi, HA Oyelele
Tanzania Journal of Forestry and Nature Conservation 90 (2), 27-40 2021

Spatiotemporal analysis of land-use and land-cover changes in Kainji Lake National Park, Nigeria
AA Adeyemi, TM Ibrahim
Forestist 70 (2), 105-115 2020

Tree Structural Diversity and Yield Prediction Models for Tree Species in Old Oyo National Park, Nigeria
AA Adeyemi, HT Taofeek
American Journal of Plant Biology 5 (2), 11-20 2020

ASSESSMENT OF LAND-COVER CHANGES AND CARBON SEQUESTRATION POTENTIALS OF TREE SPECIES IN J4 SECTION OF OMO FOREST RESERVE, OGUN STATE, NIGERIA
AA Adeyemi, SO Adeleke
Ife Journal of Science 22 (1), 137-152 2020

Effectiveness of Alternative Conservation Means in Protecting the Osun-osogbo Sacred Grove in South-West, Nigeria
AA Adeyemi, TH Oyinloye
Plant 8 (1), 1-9 2020

DEVELOPMENT OF REGRESSION MODELS FOR PREDICTING YIELD OF Triplochiton scleroxylon (K. Schum) STAND IN ONIGAMBARI FOREST RESERVE, OYO STATE, NIGERIA
AA Adeyemi, FA Moshood
Journal of Research in Forestry, Wildlife & Environment 11 (4), 88-99 2019

High conservation values (HCVs) and conservation areas monitoring in Obaretin, Ologbo, Cowan and Sakponba Estates
AA Adeyemi, DI Edet
Presco Plc., Edo State, Nigeria 2018

Evaluation of technical efficiency of sawmills in Udu Local Government Area of Delta State, Nigeria
OA Ohwo, AA Adeyemi, E Ighofose
African Journal of Agriculture Technology and Environment 7 (1), 99-108 2018

STATUS AND DISTRIBUTION OF DUIKER SPECIES IN OKOMU NATIONAL PARK , NIGERIA
AA Adeyemi, DI Edet, AE Okoronkwo
Journal of Forestry Research and Management 15 (2), 136-148 2018

Evaluation of Pterocarpus mildbraedii. Harm Performance under Different Growth Conditions
AA Adeyemi, IM Dike
Journal of Sustainable Environmental Management 10, 46-62 2018

Assessment of High Conservation Values (HCVs) in Okomu Oil Palm Company Main Estate, Okomu-Udo, Ovia South-West
AA Adeyemi, DI Edet, A Olanigan, C Akachukwu, ET Adebayo, ...
Foremost Development Services Limited 2017

MOST CITED SCHOLAR PUBLICATIONS

The role of traditional laws and taboos in wildlife conservation in the Oban Hill Sector of Cross River National Park (CRNP), Nigeria
SO Jimoh, ET Ikyaagba, AA Alarape, EE Obioha, AA Adeyemi
2012
Citations: 105

Forest Structure Analysis in the oban division of Cross River national park, Nigeria
SO Jimoh, PO Adesoye, AA Adeyemi, ET Ikyaagba
Journal of Agricultural Science and Technology. B 2 (5B), 510 2012
Citations: 34

Tree structural and species diversities in Okwangwo forest, cross river state, Nigeria
AA Adeyemi, AE Ibe, FC Okedimma
Journal of Research in Forestry, Wildlife and Environment 7 (2), 36-53 2015
Citations: 30

Tree slenderness coefficient and percent canopy cover in Oban Group Forest, Nigeria
AA Adeyemi, PO Adesoye
Journal of Natural Sciences Research 6 (4), 9-17 2016
Citations: 28

Local depletion of two larger D uikers in the O ban H ills R egion, N igeria
SO Jimoh, ET Ikyaagba, AA Alarape, AA Adeyemi, M Waltert
African Journal of Ecology 51 (2), 228-234 2013
Citations: 27

Assessment of tree diversities in Oban division of the Cross River national park (CRNP), Nigeria
AA Adeyemi, SO Jimoh, PO Adesoye
2013
Citations: 20

PATTERNS OF FIREWOOD EXPLOITATION AND UTILIZATION IN PERIURBAN AND RURAL AREAS OF OWERRI ZONE IN SOUTHERN NIGERIA
AA Adeyemi, AE Ibe
Nigerian Journal of Agriculture, Food and Environment 10 (3), 113-119 2014
Citations: 14

TREE SLENDERNESS COEFFICIENTS AND CROWN RATIO MODELS FOR Gmelina arborea (ROXB) STAND IN AFI RIVER FOREST RESERVE, CROSS RIVER STATE, NIGERIA
AA Adeyemi, NA Ugo-Mbonu
Nigerian Journal of Agriculture, Food and Environment 13 (1), 226-233 2017
Citations: 12

Site quality assessment and allometric models for tree species in the Oban Forest, Nigeria
AA Adeyemi
Journal of Sustainable forestry 35 (4), 280-298 2016
Citations: 12

The Role of Urban and Peri-Urban Agriculture in Enhancing Food Security and Climate Change Resilience in East and West African Cities
S Lwasa, B Wahab, F Mugagga, D Simon, C Griffith, D Mukungu, ...
START 2011
Citations: 11

Quantitative analyses of honey samples from four different sources in Abia state, Nigeria
AE Ibe, GN Onuoha, AA Adeyemi, DK Madukwe, JO Udobi
International Journal of Natural and Applied Sciences 9 (2), 107-116 2013
Citations: 10

Analysis of temperature trends of Ibadan, Nigeria over the period of 1965-2012
OI Jackson, NC Isienyi, CS Osudiala, BJ Odofin, AA Adeyemi, ...
Journal of Forestry Research and Management 9, 61-72 2012
Citations: 10

Spatiotemporal analysis of land-use and land-cover changes in Kainji Lake National Park, Nigeria
AA Adeyemi, TM Ibrahim
Forestist 70 (2), 105-115 2020
Citations: 9

Crown ratio models for tropical rainforests species in Oban division of the cross river national park, Nigeria
AA Adeyemi, SO Jimoh, PO Adesoye
Journal of Agriculture and Social Research (JASR) 13 (1), 63-76 2013
Citations: 9

Evaluation of Land-Use and Land-Cover Changes in Oba Hills Forest Reserve, Osun State, Nigeria
AA Adeyemi, MO Ayinde
Forestist 72 (2), 137-148 2022
Citations: 8

Price transmission and market integration of sawnwood of Poga oleosa (Pierre) in Delta State, Nigeria
OA Ohwo, AA Adeyemi
Nigerian Journal of Agriculture, Food and Environment 11 (3), 114-122 2015
Citations: 8

Assessment of Rural Children Involvement in Arable Crops Production Activities in Odo-Otin Local Government Area of Osun State, Nigeria in: Proceedings of the 7th National
AA Adeyemi, AO Adekunmi
Proceedings of the 7th National Research Conference and Network Meeting of 2005
Citations: 8

Seed Germination and Seedling Growth of Terminalia ivorensis (A. Chev) in Different Growth Media
AE Ibe, AA Adeyemi, BN Nwuda, GN Asiabaka, C.C. and Onuoha
FUTO Journal Series (FUTOJNLS) 1 (2), 138-145 2015
Citations: 7