Dr Oyamakin Publications

Dr Oyamakin Publications

1. Articles That Have Already Appeared in Learned Journals:

(i)                 Oyamakin SO, Osanyintupin OD (2018) Population Projection Modelling Based on Growth Models with Hyperbolic Restrictions. Biostat Biometric App 3(1): 108.(in press).
  

 (ii)               Oyamakin S. O., & Durojaiye O. M. (2017): Length and Area Biased   Exponentiated Weibull Distribution Based on Forest Inventories. Biom   Biostat Int J 6(2): 00163. DOI: 10.15406/bbij.2017.06.00163.  
 

(iii)             Wayne M. Eby, Samuel O. Oyamakin & Angela U. Chukwu (2017): A new nonlinear model applied to the height-DBH relationship in    Gmelina arborea. Forest Ecology and Management 397 (2017)  139 –   149. 

(iv)              M. O. Jaiyeola, S. O. Oyamakin, J. O. Akinyemi, S. A. Adebowale, A.  U. Chukwu & O. B. Yusuf (2016): Assessing Infant Mortality in Nigeria using Artificial Neural Network and Logistic Regression Models. British Journal of Mathematics & Computer Science, 19(5):XX-XX, 2016, Article no.BJMCS.28870. ISSN: 2231-0851.
(v)                Angela U. Chukwu & Samuel O. Oyamakin (2015): On      Hyperbolic Monomolecular Growth Model in Height/Diameter Growth of PINES. British Journal of Mathematics & Computer Science, 9(4):  320-327, 2015, Article no.BJMCS.2015.206. ISSN: 2231-0851          
(vi)              Angela U. Chukwu & Samuel Oluwafemi Oyamakin (2015): On   Hyperbolic Gompertz Growth Model (HGGM). World Academy of    Science, Engineering and Technology (WASET)International Journal   of Mathematical, Computational, Natural and Physical Engineering   Vol 9(3): 126 – 130.

 

(vii)            Oyamakin, S.O. and A.U. Chukwu. 2014. “Statistical Analysis of an Alternative von Bertalanffy Model for Tree Growth”. Pacific Journal of Science and Technology. 16(1): 125- 133. 

(viii)          S. O. Oyamakin & A. U. Chukwu (2014): On Hyperbolic Sine Function in Height-diameter Modeling of Gmelina Arborea. International Journal of Modern Mathematical Sciences, 2014, 12(3): 139-156

(ix)              Oyamakin Samuel Oluwafemi & Chukwu Angela Unna. (2014): On Differential Growth Equation to Stochastic Growth Model Using Hyperbolic Sine Function in Height/Diameter Modeling of Pines. Pure and Applied Mathematics Journal. Vol. 3, No. 5, 2014, pp. 99-104. doi: 10.11648/j.pamj.20140305.12

(x)                Oyamakin S. O., Chukwu A. U., (2014):  On the Hyperbolic Exponential Growth Model in Height/Diameter Growth of PINES (Pinus caribaea), International Journal of Statistics and Applications, Vol. 4 No. 2, 2014, pp. 96-101. doi: 10.5923/j.statistics.20140402.03.


(xi)              Oyamakin, S. O.; Chukwu, U. A.; and Bamiduro, T. A. (2014): On   ranking of Carbon Stocks of Selected Tree Species using Statistical Distributions, International Journal of Innovation in Science and Mathematics, Vol 2, Issue 1, ISSN (Online): 2347 - 9051  

         
(xii)            Oyamakin, S. O.; Chukwu, U. A.; and Bamiduro, T. A. (2013) "On  Comparison of Exponential and Hyperbolic Exponential Growth  Models in Height/Diameter Increment of PINES (Pinus caribaea),"            Journal of Modern Applied Statistical Methods: Vol. 12: Iss. 2, Article  24. Pp 381 – 404.


(xiii)          Oyamakin S.O. Fajemila A.D. and Abdullateef S. (2013): Parameter estimation of height-diameter relationships of Gmelina arborea Roxb. (Family Verbenaceae). Agriculture and biology journal of north America, ISSN Print: 2151-7517, doi:10.5251/abjna.2013.4.4.468.475, ScienceHub,               http://www.scihub.org/ABJNA

(xiv)          S.O. Oyamakin  (2012): On Performance of Simultaneous Equation  Model Estimators Using Average Parameter Estimates in the Presence  of Correlated Random Deviates. Asian Journal of Mathematics &  Statistics, 5 issue No 2: 39-49. DOI: 10.3923/ajms.2012.39.49 URL:  http://scialert.net/abstract/?doi=ajms.2012.39.49.

 (xv)            S.O. Oyamakin (2011): “Height-Diameter Relationship in Tree Modeling Using Simultaneous Equation Techniques in Correlated  Normal Deviates” Journal of Modern Applied Statistical Methods,  November 2011, Vol. 10, No. 2, 676-685.
(xvi)          Oyamakin S.O. & Adepoju A.A.(2010): Robustness of Simultaneous Estimation Methods to Varying Degrees of Correlation between pairs of Random deviate. Global Journal of Mathematical Science: Theory and Practical, Vol 2, Number 1 (2010), pp. 257 – 264. © International Research Publication House, http://www.irphouse.com.

(xvii)        Oyamakin S.O., Julius A.J., Asaolu J.O.; Oyeleye B.(2010): Sampling Techniques in Sustainable Forest Management- A Two Phase Approach.     A paper published in the American Journals of Scientific   and Industrial         Research http://www.scihub.org/AJSIR ISSN: 2153 649X             doi:10.5251/ajsir.2010.1.3.667.670.

(xviii)      Oyamakin, O., Ayoola F. J., and Dare O. T.  (2010). “Time Series Analysis of Rainfall and Temperature in South West Nigeria”. Pacific   Journal of Science and Technology. 11(2): 552-564. 

(xix)          Julius, A.J; Aluko, A.P.; Oyeleye, B; Awosusi, B.M; Oyamakin S.O. and Oniroko, N   (2010). “Agriculture in the southwest Nigeria: An Overview of Rainfall variability and its impact on crop production in Development, Volume 3, Number 1, 2010: pp 59 – 64.  Ibadan, Oyo state”. African Journal of Agricultural Research and Development, ISSN: 2141 – 0097, Devon Science Company.

 

2. Papers published in conference proceedings and Books of Abstract  

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2018): Some Nonlinear Growth Models with Hyperbolic Restrictions for Tree Growth Modeling. A paper presented at the XXIXth International Biometric Conference (IBC) of the International Biometric Society held at the Barcelona International Convention Centre, Barcelona, Spain, between 8-13 July 2018.

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2017): An Alternative Nonlinear Growth Models for Biological Processess. A paper presented at the Royal Statistical Society Conference 2017, University of Strathclyde, Glasgow, United Kingdom.

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2017): Modelling growth of Biological Processes Using Alternative Nonlinear Growth Models. A paper presented at ISI2017 Marrakech, 61st International Statistical Institute (ISI) World Statistics Congress, Marrakech, Morocco, 16 – 21 July, 2017. 

  • S. O. Oyamakin & A. U. Chukwu (2015): On Hyperbolic Gompertz Growth Model (HGGM). A paper presented at the 13th International Conference on Energy, Ecology, Environment and Sustainable Development (ICEEESD 2015) by World Academy of Science, Engineering and Technology (WASET) held on 9th – 10th March, 2015 at Holiday Inn, Miami Beach, Florida, USA. 

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2013): Development of an alternative exponential growth model in height/diameter growth of pines (Pinus caribaea). A paper presented at the 4th Annual Ibadan Sustainable Development Summit of Center for sustainable development (CESDEV) in collaboration with the African sustainable Development Network (ASUDNET) held between 12th – 16th August 2013 in Ibadan, Nigeria.

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2013):On ranking of carbon stocks of indigenous tree species using statistical distributions. A paper presented at the 13th Bi-Annual conference of the Sub-Saharan African network (SUSAN) of International biometrics society (IBS) held on 4th – 8th August, 2013 in West End University College, Accra, Ghana.

  • A. U. Chukwu & S. O. Oyamakin (2013): On comparison of exponential and hyperbolic exponential growth models in Height-Diameter increment of PINES. A paper presented at the 32nd Annual Conference of the Nigerian Mathematical Society held in July, 2013 at Obafemi Awolowo University (OAU), Osun State, Nigeria.

  • Oyamakin S. O., Asaolu J.O., Julius A.J., Oyeleye B. (2010): A statistical Analysis of the effect of Row Spacing and Fertilizer Application on the yield of Amaranthus SPP. Presented at the 44th conference of the Agricultural Society of Nigeria at LAUTECH, Ogbomosho, Oyo State, Nigeria pg 808 - 810.

  • Oyamakin S. O., Oyeleye B., Asaolu J, Awosusi B.M. (2010): Rainfall & Temperature in Southwest Nigeria. A paper published in the Book of Abstract and presented at the 4th National conference of the School of Applied Science & Technology, Federal Polytechnic of Offa, Kwara State.

  • Oyamakin S. O., Julius A. J., Oyeleye B., Asaolu J. O.(2010): Assessment of the effect of Economic Meltdown: The Nigerian Story. Presented at the 33rd Conference of the Forestry Association of Nigeria held at Benin City, Edo state, Nigeria. Vol. 2 pg 358 – 366.

  • Oyamakin S. O., Dare O. T., Unuigbokhai A., Oyeleye B., Ayoola F. J. (2010): Effect of Temperature and Rainfall on Electricity Consumption in Ibadan metropolis. Presented at the 34th Annual conference of the Nigerian Statistical Association in Owerri, Imo state, Nigeria. (2010). Pg 45 – 50.

  • Oyamakin S. O., Dare O. T., Julius A. J., Oyeleye B., Ayoola F. J. (2010):

Simultaneous equation techniques in the estimation of parameters of the Nigerian economic indicator models:. Presented at the 34th Annual conference of the Nigerian Statistical Association in Owerri, Imo state, Nigeria. Pg 7 – 12.

  • Julius A.J., Oyamakin S.O., Oyeleye B, Asaolu J.O. (2010): Forest Products for Greener Future in Perspective: Assessment of the Demand and consumption of Herbal medicine in Ido and Ibadan North west Local Governement Area, Oyo State, Nigeria. Presented at the XXIII World Congress, 23rd – 28th August 2010 in Seoul, Korea.

  • Julius, A.J; Aluko, A.P; Oyeleye, B; Awosusi, B.M; Oyamakin, S.O; and Oniroko, N (2010): Agriculture in the Southwest Nigeria: An Overview of Rainfall Variability and Its Impact on Crop Production in Ibadan, Oyo State. Proceedings of the 2010 World Congress on Research And Development, 10th11th February 2010 in Port Harcourt. 

  • Asaolu J. O., Oyeleye B., Oyamakin S.O., Awosusi B. M., and Julius A. J. (2010): Rural development in Nigeria: Concept, Statistics, Approaches, Challenges and Prospect. A paper presented at the 44th Annual Conference of Agricultural Society of Nigeria (ASN) Lautech, Ogbomosho, Oyo state, Nigeria.  pg 85 – 89.

  • Oniroko O.N., Julius A. J., Oyeleye B., Oyamakin S. O., Asaolu J. O. and Odungide I. A. (2010): Descriptive Analysis of Economic Meltdown in Nigeria, its impact on sustainable forest management and the environment. A paper presented at the 33rd Annual Conference of Forestry Association of Nigeria (FAN), Benin City, Edo State, Nigeria. Vol. 2 pg 340 – 350.

  • Julius, A.J; B.O. Oyeleye,  S.O. Oyamakin, N. Oniroko,  O.S.Tayo, J.O. Asaolu, (2009): Empirical Investigation into Climate Change in Ibadan Metropolis. Paper presented at the 43rd Annual conference of Agricultural Society of Nigeria, Abuja, 20th – 23rd October, 2009 pp 805 – 808.

  • Julius A.J, Oyamakin S.O, Oyeleye B, Tayo O.S, Iluyomade O.N, Asaolu J.O, Awosusi B.M (2009): Economic Meltdown And Forest Products

Utilization:Efficacy of Herbal Medicines among The Populace in Ido Local Government Area, Ibadan, Oyo State, Nigeria. A paper presented at the 33rd Annual Conference of Forestry Association of Nigeria(FAN), Benin city, Edo State, Nigeria. Vol. 2 pg 297- 306.

  • Asaolu, J.O; Oyamakin, S. O; Oyeleye B; Julius, A.J; Oniroko, O.N; Awosusi, B.M (2009): Comparative Study On Gender Sensitivity To Climate Change In Nigeria: Biometricians’ View. Proceedings of the Maiden Annual Conference of Association of Women in Forestry and Environment (AWIFE), FRIN, Ibadan 1st – 5th  November 2009.  Pp146-151.

  • Awosusi B.M, Oyeleye B, Asaolu J.O, Julius A.J and Oyamakin S.O (2009): Livelihood Sustainability through Non-Timber Forest Products (NTFPs) in a time of Economic Crisis in Nigeria. A paper presented at the 33rd Annual Conference of  Forestry Association of Nigeria (FAN) , Benin city, Edo State, Nigeria. Vol. 1 pg 377 – 383.

  • Oyamakin, S. O; J. O. Asaolu, A. J. Julius, I. A. Odungide, O. N. Oniroko (2009): A Comparative Study of the Effect of Agroclimatological Variables on the Yield of Major Food Crops in Nigeria. Proceedings of the 43rd Annual conference of Agricultural Society of Nigeria, Abuja, 20th – 23rd October 2009 pp 491 – 493.

1. Articles That Have Already Appeared in Learned Journals:

(i)                 Oyamakin SO, Osanyintupin OD (2018) Population Projection Modelling Based on Growth Models with Hyperbolic Restrictions. Biostat Biometric App 3(1): 108.(in press).

(ii)               Oyamakin S. O., & Durojaiye O. M. (2017): Length and Area Biased   Exponentiated Weibull Distribution Based on Forest Inventories. Biom   Biostat Int J 6(2): 00163. DOI: 10.15406/bbij.2017.06.00163.

(iii)             Wayne M. Eby, Samuel O. Oyamakin & Angela U. Chukwu (2017): A new  nonlinear model applied to the height-DBH relationship in  Gmelina arborea. Forest Ecology and Management 397 (2017)  139 –   149.

(iv)             M. O. Jaiyeola, S. O. Oyamakin, J. O. Akinyemi, S. A. Adebowale, A.  U. Chukwu & O. B. Yusuf (2016): Assessing Infant Mortality in Nigeria using Artificial Neural Network and Logistic Regression Models. British Journal of Mathematics & Computer Science, 19(5):XX-XX, 2016, Article no.BJMCS.28870. ISSN: 2231-0851.

(v)               Angela U. Chukwu & Samuel O. Oyamakin (2015): On     Hyperbolic Monomolecular Growth Model in Height/Diameter Growth of PINES. British Journal of Mathematics & Computer Science, 9(4):  320-327, 2015, Article no.BJMCS.2015.206. ISSN: 2231-0851        

(vi)              Angela U. Chukwu & Samuel Oluwafemi Oyamakin (2015): On   Hyperbolic Gompertz Growth Model (HGGM). World Academy of    Science, Engineering and Technology (WASET)International Journal   of Mathematical, Computational, Natural and Physical Engineering   Vol 9(3): 126 – 130.

(vii)            Oyamakin, S.O. and A.U. Chukwu. 2014. “Statistical Analysis of an Alternative von Bertalanffy Model for Tree Growth”. Pacific Journal of Science and Technology. 16(1): 125- 133. 

(viii)          S. O. Oyamakin & A. U. Chukwu (2014): On Hyperbolic Sine Function in Height-diameter Modeling of Gmelina Arborea. International Journal of Modern Mathematical Sciences, 2014, 12(3): 139-156

(ix)              Oyamakin Samuel Oluwafemi & Chukwu Angela Unna. (2014): On Differential Growth Equation to Stochastic Growth Model Using Hyperbolic SineFunction in Height/Diameter Modeling of Pines. Pure and Applied Mathematics Journal. Vol. 3, No. 5, 2014, pp. 99-104. doi: 10.11648/j.pamj.20140305.12

(x)                Oyamakin S. O., Chukwu A. U., (2014):  On the Hyperbolic Exponential Growth Model in Height/Diameter Growth of PINES (Pinus caribaea), International Journal of Statistics and Applications, Vol. 4 No. 2,  2014, pp. 96-101. doi: 10.5923/j.statistics.20140402.03.

(xi)              Oyamakin, S. O.; Chukwu, U. A.; and Bamiduro, T. A. (2014): On   ranking of Carbon Stocks of Selected Tree Species using Statistical Distributions, International Journal of Innovation in Science and Mathematics, Vol 2, Issue 1, ISSN (Online): 2347 - 9051            

(xii)            Oyamakin, S. O.; Chukwu, U. A.; and Bamiduro, T. A. (2013) "On  Comparison of Exponential and Hyperbolic Exponential Growth  Models in Height/Diameter Increment of PINES (Pinus caribaea)," Journal of Modern Applied Statistical Methods: Vol. 12: Iss. 2, Article  24. Pp 381 – 404.

(xiii)          Oyamakin S.O. Fajemila A.D. and Abdullateef S. (2013): Parameter estimation of height-diameter relationships of Gmelina arborea Roxb. (Family Verbenaceae). Agriculture and biology journal of north America, ISSN Print: 2151-7517, doi:10.5251/abjna.2013.4.4.468.475, ScienceHub, http://www.scihub.org/ABJNA

(xiv)          S.O. Oyamakin  (2012): On Performance of Simultaneous Equation  Model Estimators Using Average Parameter Estimates in the Presence  of Correlated Random Deviates. Asian Journal of Mathematics &  Statistics, 5 issue No 2: 39-49. DOI: 10.3923/ajms.2012.39.49 URL:  http://scialert.net/abstract/?doi=ajms.2012.39.49.

(xv)            S.O. Oyamakin (2011): “Height-Diameter Relationship in Tree Modeling Using Simultaneous Equation Techniques in Correlated  Normal Deviates” Journal of Modern Applied Statistical Methods,  November 2011, Vol. 10, No. 2, 676-685.

(xvi)          Oyamakin S.O. & Adepoju A.A.(2010): Robustness of Simultaneous Estimation Methods to Varying Degrees of Correlation between pairs of Random deviate. Global Journal of Mathematical Science: Theory and Practical, Vol 2, Number 1 (2010), pp. 257 – 264. © International Research Publication House, http://www.irphouse.com. 

(xvii)        Oyamakin S.O., Julius A.J., Asaolu J.O.; Oyeleye B.(2010): Sampling Techniques in Sustainable Forest Management- A Two Phase Approach.     A paper published in the American Journals of Scientific   and Industrial Research http://www.scihub.org/AJSIR ISSN: 2153 649X             doi:10.5251/ajsir.2010.1.3.667.670.

(xviii)      Oyamakin, O., Ayoola F. J., and Dare O. T.  (2010). “Time Series Analysis of Rainfall and Temperature in South West Nigeria”. Pacific   Journal of Science and Technology. 11(2): 552-564. 

(xix)          Julius, A.J; Aluko, A.P.; Oyeleye, B; Awosusi, B.M; Oyamakin S.O. and Oniroko, N   (2010). “Agriculture in the southwest Nigeria: An Overview of Rainfall variability and its impact on crop production in Development, Volume 3, Number 1, 2010: pp 59 – 64.  Ibadan, Oyo state”. African Journal of Agricultural Research and Development, ISSN: 2141 – 0097, Devon Science Company.

2. Papers published in conference proceedings and Books of Abstract  

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2017): An Alternative Nonlinear Growth Models for Biological Processess. A paper presented at the Royal Statistical Society Conference 2017, University of Strathclyde, Glasgow, United Kingdom.

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2017): Modelling growth of Biological Processes Using Alternative Nonlinear Growth Models. A paper presented at ISI2017 Marrakech, 61st International Statistical Institute (ISI) World Statistics Congress, Marrakech, Morocco, 16 – 21 July, 2017. 

  • S. O. Oyamakin & A. U. Chukwu (2015): On Hyperbolic Gompertz Growth Model (HGGM). A paper presented at the 13th International Conference on Energy, Ecology, Environment and Sustainable Development (ICEEESD 2015) by World Academy of Science, Engineering and Technology (WASET) held on 9th – 10th March, 2015 at Holiday Inn, Miami Beach, Florida, USA. 

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2013): Development of an alternative exponential growth model in height/diameter growth of pines (Pinus caribaea). A paper presented at the 4th Annual Ibadan Sustainable Development Summit of Center for sustainable development (CESDEV) in collaboration with the African sustainable Development Network (ASUDNET) held between 12th – 16th August 2013 in Ibadan, Nigeria.

  • S. O. Oyamakin, A. U. Chukwu & T. A. Bamiduro (2013):On ranking of carbon stocks of indigenous tree species using statistical distributions. A paper presented at the 13th Bi-Annual conference of the Sub-Saharan African network (SUSAN) of International biometrics society (IBS) held on 4th – 8th August, 2013 in West End University college, Accra, Ghana.

  • A. U. Chukwu & S. O. Oyamakin (2013): On comparison of exponential and hyperbolic exponential growth models in Height-Diameter increment of PINES. A paper presented at the 32nd Annual Conference of the Nigerian Mathematical Society held in July, 2013 at Obafemi Awolowo University (OAU), Osun State, Nigeria.

  • Oyamakin S. O., Asaolu J.O., Julius A.J., Oyeleye B. (2010): A statistical Analysis of the effect of Row Spacing and Fertilizer Application on the yield of Amaranthus SPP. Presented at the 44th conference of the Agricultural Society of Nigeria at LAUTECH, Ogbomosho, Oyo State, Nigeria pg 808 - 810.

  • Oyamakin S. O., Oyeleye B., Asaolu J, Awosusi B.M. (2010): Rainfall & Temperature in Southwest Nigeria. A paper published in the Book of Abstract and presented at the 4th National conference of the School of Applied Science & Technology, Federal Polytechnic of Offa, Kwara State.

  • Oyamakin S. O., Julius A. J., Oyeleye B., Asaolu J. O.(2010): Assessment of the effect of Economic Meltdown: The Nigerian Story. Presented at the 33rd Conference of the Forestry Association of Nigeria held at Benin City, Edo state, Nigeria. Vol. 2 pg 358 – 366.

  • Oyamakin S. O., Dare O. T., Unuigbokhai A., Oyeleye B., Ayoola F. J. (2010): Effect of Temperature and Rainfall on Electricity Consumption in Ibadan metropolis. Presented at the 34th Annual conference of the Nigerian Statistical Association in Owerri, Imo state, Nigeria. (2010). Pg 45 – 50.

  • Oyamakin S. O., Dare O. T., Julius A. J., Oyeleye B., Ayoola F. J. (2010): Simultaneous equation techniques in the estimation of parameters of the Nigerian economic indicator models:. Presented at the 34th Annual conference of the Nigerian Statistical Association in Owerri, Imo state, Nigeria. Pg 7 – 12.

  • Julius A.J., Oyamakin S.O., Oyeleye B, Asaolu J.O. (2010): Forest Products for Greener Future in Perspective: Assessment of the Demand and consumption of Herbal medicine in Ido and Ibadan North west Local Governement Area, Oyo State, Nigeria. Presented at the XXIII World Congress, 23rd – 28th August 2010 in Seoul, Korea.

  • Julius, A.J; Aluko, A.P; Oyeleye, B; Awosusi, B.M; Oyamakin, S.O; and Oniroko, N (2010): Agriculture in the Southwest Nigeria: An Overview of Rainfall Variability and Its Impact on Crop Production in Ibadan, Oyo State. Proceedings of the 2010 World Congress on Research And Development, 10th11th February 2010 in Port Harcourt. 

  • Asaolu J. O., Oyeleye B., Oyamakin S.O., Awosusi B. M., and Julius A. J. (2010): Rural development in Nigeria: Concept, Statistics, Approaches, Challenges and Prospect. A paper presented at the 44th Annual Conference of Agricultural Society of Nigeria (ASN) Lautech, Ogbomosho, Oyo state, Nigeria.  pg 85 – 89.

  • Oniroko O.N., Julius A. J., Oyeleye B., Oyamakin S. O., Asaolu J. O. and Odungide I. A. (2010): Descriptive Analysis of Economic Meltdown in Nigeria, its impact on sustainable forest management and the environment. A paper presented at the 33rd Annual Conference of Forestry Association of Nigeria (FAN), Benin City, Edo State, Nigeria. Vol. 2 pg 340 – 350.

  • Julius, A.J; B.O. Oyeleye,  S.O. Oyamakin, N. Oniroko,  O.S.Tayo, J.O. Asaolu, (2009): Empirical Investigation into Climate Change in Ibadan Metropolis. Paper presented at the 43rd Annual conference of Agricultural Society of Nigeria, Abuja, 20th – 23rd October, 2009 pp 805 – 808.

  • Julius A.J, Oyamakin S.O, Oyeleye B, Tayo O.S, Iluyomade O.N, Asaolu J.O, Awosusi B.M (2009): Economic Meltdown And Forest Products Utilization:Efficacy of Herbal Medicines among The Populace in Ido Local Government Area, Ibadan, Oyo State, Nigeria. A paper presented at the 33rd Annual Conference of Forestry Association of Nigeria(FAN), Benin city, Edo State, Nigeria. Vol. 2 pg 297- 306.

  • Asaolu, J.O; Oyamakin, S. O; Oyeleye B; Julius, A.J; Oniroko, O.N; Awosusi, B.M (2009): Comparative Study On Gender Sensitivity To Climate Change In Nigeria: Biometricians’ View. Proceedings of the Maiden Annual Conference of Association of Women in Forestry and Environment (AWIFE), FRIN, Ibadan 1st – 5th  November 2009.  Pp146-151.

  • Awosusi B.M, Oyeleye B, Asaolu J.O, Julius A.J and Oyamakin S.O (2009): Livelihood Sustainability through Non-Timber Forest Products (NTFPs) in a time of Economic Crisis in Nigeria. A paper presented at the 33rd Annual Conference of  Forestry Association of Nigeria (FAN) , Benin city, Edo State, Nigeria. Vol. 1 pg 377 – 383.

  • Oyamakin, S. O; J. O. Asaolu, A. J. Julius, I. A. Odungide, O. N. Oniroko (2009): A Comparative Study of the Effect of Agroclimatological Variables on the Yield of Major Food Crops in Nigeria. Proceedings of the 43rd Annual conference of Agricultural Society of Nigeria, Abuja, 20th – 23rd October 2009 pp 491 – 493.