Research Experience

 Published Research Articles (31)

  • Ahmed, Zeinab A.A.; Mohamed A. Ismail and Abdelazim Yassin Abdelgadir. 2015. Mathematical modeling of thin layer solar drying of gum Arabic from Acacia senegal and A. seyal. University of Khartoum Journal of Agricultural Sciences 23 (1): 66-88
  • Gamal, Hanadi Mohamed Shawgi and Abdelazim Yassin Abdelgadir. 2015. Variation in wood fiber characteristics among thirty two hardwood species grown in low-rainfall woodland savannah (Sudan). Research Journal of Agriculture and Environmental Management 4(2): 69-77.
  • Ibrahim, Manahil Fadl Elseed and Abdelazim Yassin Abdelgadir. 2015. Effect of growth rate on fiber characteristics of Eucalyptus camaldulensis wood of coppice origin grown in White Nile State, Sudan. Journal of Natural Resources and Environmental Studies 3(1): 14-23.
  • Ahmed, Zeinab A.A. and Abdelazim Yassin Abdelgadir. 2014. Moisture desorption and adsorption characteristics of gum Arabic from Acacia senegal and A. seyal. University of Khartoum Journal of Agricultural Sciences 22 (2): 259-271.
  • Ibrahim, Manahil Fadl Elseed and Abdelazim Yassin Abdelgadir. 2014. Effect of growth rate on fixed carbon, volatile matter and ash content of Eucalyptus camaldulensis wood of coppice origin grown in White Nile State, Sudan. Journal of Forest Products and Industries 3(6): 229-235.
  • Ahmed, Lamia T; Essam I. Warrag and Abdelazim Yassin Abdelgadir. 2014. Effect of shade on seed germination and early seedling growth of Moringa oleifera Lam. Journal of Forest Products and Industries 3(1): 20-26.
  • Eltayb, M. Tom Ahmed; Abdalla Gaafar Mohamed and Abdelazim Yassin Abdelgadir. 3013. Effects of Acacia Senegal (L.) seeds on germination of Striga hermonthica (Del.) Benth seeds and on yield of Sorghum bicolor (L.) Moench in Sudan. Journal of Forest Products and Industries 2(4): 9-15.
  • Mohamed, Tagelsir E.; Abdelazim Yassin Abdelgadir; M. M. Megahed and Ramadan Nasser. 2011. Effect of Mixing Three Lignocellulosic Materials with Different Cement Ratios on the Properties of Cement Bonded Particleboard. Journal of Science and Technology 12(3): 44-54
  • Mohamed, Tagelsir E.; Abdelazim Yassin Abdelgadir; M. M. Megahed and Ramadan Nasser. 2011. Effect of Some Treatments on the compatibility of some lignocellulosic materials with Portland cement. Journal of Science and Technology 12(3): 12-19
  • Ahmed, Lamia T; Abdelazim Yassin Abdelgadir; Abdelatif E. Mahmoud and Essam I. Warrag. 2011. Effect of shade on xylem development of Moringa oleifera (Alrawag) seedlings. University of Khartoum Journal of Agricultural Sciences 19 (2): 188-201.
  • Ahmed, Zeinab A.A.; Abdelazim Yassin Abdelgadir and Abdelazim M.A. Zumrawi. 2010. Sorption isotherms for six tropical hardwood species. University of Khartoum Journal of Agricultural Sciences 18 (1): 64-78.
  • Abdelgadir, Abdelazim Yassin; Somaya Omer M. Abdoun and Mubarak Elsiddig Elamin. 2010. Variation in the Morphological and components of Balanites aegyptiaca (L.) Del. Fruit in Abu Jibeiha Area, South Kordofan State. Sudan Silva 14(1): 27-34.
  • Abdalla, Ashraf M.A.; Tarig Tag Elsir Hassan; Abdelazim Yassin Abdelgadir and Abdelatif E. Mahmoud. 2010. Effect of cold water extraction duration and calcium chloride treatment on some physical properties of Acacia nilotica wood-cement aggregates. Sudan Silva 14(1): 1-9
  • Elhedy, Atef M.A.; Abdelazim Yassin Abdelgadir and Abdelatif Eltayeb Mahmoud. 2007. Effect of pretreatment and cement/bamboo ratio on the properties of bamboo-cement products. Discovery and Innovation Journal 19 (4): 335-339.
  • Ahmed, Amal Bashir; Abdelazim Yassin Abdelgadir and Osman Taha Elzakii. 2007. Effect of wood/cement ratio, calcium chloride content and pressure on compressive strength of Acacia seyal wood-cement aggregates. Sudan Silva 13 (1): 24-35.
  • Abdelgadir, Abdelazim Yassin; Mohamed E. Dafa Alla and Abdelatif Eltayeb Mahmoud. 2006. A research note on the variability of mechanical properties of Acacia nilotica wood in Abu Kouk Forest. Sudan Silva 12 (1): 79-87.
  • Abdalla, Ashraf M. Ahmed and Abdelazim Yassin Abdelgadir. 2006. Effect of wood/cement ratio and particle size on some properties of Acacia nilotica wood-cement aggregates. Sudan Silva 12 (1): 41-52.
  • Abdelgadir, Abdelazim Yassin and Ashraf M. Ahmed Abdalla. 2005. Effect of wood pretreatment on the modulus of rupture of Acacia nilotica wood-cement aggregate (a research note). Sudan Silva 11 (1): 79-84.
  • Abdelgadir, Abdelazim Yassin and Manahil F.S. Ibrahim. 2003. Effect of pretreatment and cement/wood ratio on the compatibility of wood with Portland cement. Sudan Silva 9 (2): 78-86.
  • Abdelgadir, Abdelazim Yassin and Manahil F.S. Ibrahim. 2002. A note on the compatibility of five home-grown species wit Portland cement. University of Khartoum Journal of Agricultural Sciences 10 (1): 150-155.
  • Abdelgadir, Abdelazim Yassin and Adil A. Nile. 1998. Some factors affecting sawnwood yield and recovery of Acacia nilotica in the Blue Nile, Sudan. Part II. Relationships between log characteristics and sawnwood yield and recovery University of Khartoum Journal of Agricultural Sciences. 6 (2): 111-128.
  • Abdelgadir, Abdelazim Yassin and Adil A. Nile. 1998. Some factors affecting sawnwood yield and recovery of Acacia nilotica in the Blue Nile, Sudan. Part I. Variation and the effect of log position on sawnwood yield and recovery. University of Khartoum Journal of Agricultural Sciences. 6 (2): 101-110.
  • Abdelgadir, Abdelazim Yassin and Abdelatif E. Mahmoud. 1998. Denser wood from faster growth: More energy. Social Forestry and Environment, 5th Issue.
  • Nile, Adil A. and Abdelazim Yassin Abdelgadir. 1997. The effect of tree stocking density and log position on log characteristics of sunt (Acacia nilotica). Journal of Natural Resources and Environmental Studies 1 (1): 37-42.
  • Abdelgadir, Abdelazim Yassin and Abdelatif E. Mahmoud. 1995. Variation in wood specific gravity of Eucalyptus microtheca provenances in two plantations. University of Khartoum Journal of Agricultural Sciences 3 (2): 137-150.
  • Mahmoud, Abdelatif E. and Abdelazim Yassin Abdelgadir. 1994. Fibre length variation of six Eucalyptus species growing in Central Sudan. University of Khartoum Journal of Agricultural Sciences 2 (2): 141-146.
  • Abdelgadir, Abdelazim Yassin and Abdelatif E. Mahmoud. 1994. The Economic import-ance of the Wooden Furniture Industry in the Sudan. Forest Products Consumption Survey: Topic Specific Study Report No. 11. Forests National Corporation (FNC) and Food and Agriculture Organization (FAO). Khartoum. pp 34.
  • Abdelgadir, A. Yassin and R.L. Krahmer. 1993. Genetic variation in the age of demarcation between juvenile and mature wood in Douglas-fir. Wood and Fiber Science 25 (4): 384-394.
  • Abdelgadir, A. Yassin and R.L. Krahmer. 1993. Estimating the age of demarcation of juvenile and mature wood in Douglas-fir. Wood and Fiber Science 25 (3): 242-249.
  • Abdelgadir, A. Yassin; R.L. Krahmer, and M.D. McKimmy. 1993. Relationships between intra-ring variables in mature Douglas-fir trees from provenance plantations. Wood and Fiber Science 25 (2): 182-191.
  • Abdelgadir, A. Yassin; R.L. Krahmer, and M.D. McKimmy. 1993. Intra-ring variations in mature Douglas-fir trees from provenance plantations. Wood and Fiber Science 25 (2): 170-181.

– Research Articles Accepted for Publication (2)

  • Abdoun, Somaya Omer M., Abdelazim Yassin Abdelgadir and Mubarak Elsiddig Elamin. 2017. The Effect of Balanites aegyptiaca (L.) Del. fruit’s shape and location on its chemical constituents. Advances in Ecological and Environmental Research.
  • Ibrahim, Manahil Fadl Elseed and Abdelazim Yassin Abdelgadir. Effect of growth rate on density of Eucalyptus camaldulensis wood of coppice origin grown in White Nile State, Sudan. Journal of Forest Products and Industries.

 

– Conference/Workshop Papers in Proceedings/Abstract Books (7)

  • Gamal, Hanadi M.S. and Abdelazim Yassin Abdelgadir. 2013. Tree species for rural development in Sudan. Tropentag 2013: Agricultural development within the rural-urban continuum, University of Hohenheim, Stuttgart, September 17-19. CUVILLIER Verlag, Göttingen.
  • Gamal,Hanadi M.S.; Abdelazim yassin Abdelgadir and Claus-Thomas Bues. 2012. Variation in wood fiber characteristics among thirty two hardwood species grown in low-rainfall wood land savannah, Sudan. The 5th Conference on: Hardwood Research and Utilization in Europe, Sopron, 10-11th September 2012. Hardwood Science and Technology in cooperation with Faculty of Wood Sciences, University of West Hungary, Sopron and Department of Material Sciences and Process Engineering, University of Natural Resources and Applied Life Sciences, Vienna.
  • Ahmed, Amel B.; Abdelazim Y. Abdelgadir; Osman T. Elzakii and Paridah M. Tahir. 2012. Effects of processing parameters on the compressive strength of wood-cement aggregates manufactured from Acacia seyal. In: Tomoko, S. and L.Ch. Peng (Eds). Biomass: sustainable natural resource and innovation for a greener future: Proceedings of 4th USM-JIRCAS Joint International Symposium 18-20th January 2011, p 246-250. Penang, Malaysia – Tsukuba: Japan International Research Center for Agricultural Sciences. pp 427.
  • Abdelgadir , Abdelazim Yassin and Osman Y. Hamid. 2010. The role of higher education in alleviating curricula problems in Sudan. Conference of Graduate Studies and Scientific Research. University of Khartoum. 27th February-2nd March, 2010. Friendship Hall, Khartoum. .
  • Abdelgadir, Abdelazim Yassin. 2006. Towards the improvement of tertiary forestry education in Sudan. Regional Workshop on Experts Seminars for Revising and Complementing Teaching Modules on Research Methodologies for Natural Sciences. German Academic Exchange Service (DAAD). February 28-March 08, 2006, Faculty of Natural Resources, University of Kordofan. Elobeid, Sudan.
  • El Siddig, E.A.; Abdelazim Yassin Abdelgadir and A.M. Eltayeb. 2005. “Biodiversity inventory of the tree resources in Jebel Mara: Towards a sustainable utilization” (in Arabic). Regional Workshop on Biodiversity and the Role of Protected Areas and Banks of Genetic Resources in its Conservation. September 12-14, 2005. Ministry of Higher Education and Scientific Research in Collaboration with Union of Arab Scientific Reseach Counsil, Khartoum.
  • Saeed, Akram M. and Abdelazim Yassin Abdelgadir. 1997. “The utilization of bagasse The potential and the available technology” (in Arabic). Symposium on “The Utilization of Agricultural Residues.” October 13-15, 1997. The Arab Organization of Agricultural Development, Khartoum.

–Technical Forum Posters (2)

  • Abdelgadir, Abdelazim Yassin and R.L. Krahmer. 1991. Density variations in juvenile and mature wood. Forest Products Research Society (FPRS) 45th Annual Meeting, June 1991, New Orleans, Louisiana, USA.
  • Abdelgadir, Abdelazim Yassin and R.L. Krahmer. 1991. Dependence of Douglas-fir properties on wood Density. Society of American Foresters, SAF 1991 National Convention, August 1991, San Francisco, USA.

– Papers under Preparation: (2)

  • Abdelgadir, Abdelazim Yassin. 2017. Wood anatomy of Sudan ebony (Dalbergia melanoxylon). University of Khartoum Journal of Agricultural Sciences
  • Alachgar, Nidal M. and Abdelazim Yassin Abdelgadir. 2017. A brief review on modeling of forest tree-stem tapering. Technical Report, Faculty of Forestry Publications, UofK

 

– Technologies Released by the National Husbandry Committee of the Agricultural Research Corporation (4):

These are papers leading to specific technologies that are critically discussed in the forum of the National Husbandry Committee of ARC; accepted technologies are endorsed for application by interested institutions in the country.

  • Hassan, Tarig T.S; Abdelazim Yassin Abdelgadir;Abdelatif Eltayeb Mahmoud and Atef M.A. Elhedy. 2005. Effect of some physical and chemical treatments on the mechanical properties of sunt wood-cement composites.
  • Hassan, Tarig T.S; Abdelazim Yassin Abdelgadir;Abdelatif Eltayeb Mahmoud and Atef M.A. Elhedy. 2005. Effect of cement replacement by lime on the physical and properties of Acaia nilotica wood-cement mixture.
  • Elhedy, Atef M.A.; Abdelazim Yassin Abdelgadir and Abdelatif Eltayeb Mahmoud. 2005. Effect of pretreatment and cement/bamboo ratio on the properties of bamboo-cement products
  • Mahmoud, Abdelatif E., Abdelazim Yassin Abdelgadir and Medani I. Mohammed. 2004. “A lens key for the identification of 44 commercially important wood species in Darfur, Sudan ” (In Arabic).

 

–Research Projects (4)

Title: Studies on the Anatomy of Wood Species Grown in Sudan

Researcher:Abdelazim Yassin Abdelgadir

Sponsor: Ministry of Higher Education and Scientific Research

Title: The effect of raw material (species, particle geometry …etc) and technological aspects (ratio, extraction, chemical additives) on the quality of wood-cement composites.

Researchers:Abdelazim Yassin Abdelgadir and Ashraf Mohamed Ahmed

Sponsor: Faculty of Forestry, UofK

Title: Studies on socio-economics, management and utilization of non-wood forest products in Southern Kordofan State, Sudan.

Researchers: Elamin Sanjak Mohamed Ali (Team Leader); Abdelazim Yassin Abdelgadir; Abdalla Mirgahi Eltayeb; Huda Abdelwahab Sharwi; Essam Ibrahim Warrag; Ashraf Mohamed Ahmed

Sponsor: Ministry of Higher Education and Scientific Research

Title: Promoting Higileeg (Balanites aegyptiaca L.) tree products for improved rural livelihoods, nutrition and food Security in dry lands of Central Sudan

Researchers: Abdalla Mirghani Eltayeb (Team Leader); Yahia Omer Adam; Abdelazim Yassin Abdelgadir; Ashraf Mohamed Ahmed; Mohamed Osman Mohamed Elhasan; Zeinab Ahmed Adelhameed; Elamin Sanjak Mohamed Ali; Elwasila Mukhtar Mohamed; Hind Hashim Elrayah

Sponsor: Ministry of Higher Education and Scientific Research

 

– Research Work in Progress:

– Variation in forest tree carbon content

  • Variation in carbon content of three Acacia species between and within sites

-Wood-cement aggregates from local material

  • The effect of raw material (species, particle geometry, size … etc) and technological aspects (components ratio, extraction, chemical additives) on the quality of wood-cement composites

– Wood properties of tree species growing in Sudan

  • Comparative wood anatomy of Acacia species growing in the Sudan.
  • Anatomical features and preparation of lens and microscopic keys for the identification of important wood species growing in Sudan.
  • Variations in the physical and mechanical properties of Acacia nilotica and Balanites aegyptiaca wood among sites.
  • The nature and extent of juvenile wood in some wood species growing in Sudan.

                       ·The effect of the rate of growth on the extractive content and density of Eucalyptus wood.

-Wood working properties

  • The effect of glue type and methods of application on the bonding strength of radial and tangential faces of some wood species growing in Sudan.
  •  The effect of species, wood quality and steaming time on the maximum radius of curvature of bend wood from tree species growing in Sudan.

-Stem taper modeling and assortments

  • Variation and modeling of tapering of some home-growing tree species
  •  Tapering of trees and its relationship to grade yield of building poles produced from Eucalyptus camaldulensis

-Studies on non-wood forest products

  • Importance of non-wood forest products in Eastern Nuba Mountain, South Kordofan State
  • Variation in chemical properties of Balanites aegyptiaca fruit
  • The effect of mono-valent and divalent cataions on the viscosity of gum Arabic.

– Reviewer in the Following Journals

  • University of Khartoum Journal of Agricultural Sciences (UKJAS)
  • Journal of Natural Resources and Environmental Studies (JONARES)
  • Journal of Science and Technology (J.Sc. Tech)
  • El-Buhuth Journal
  • Sudan Silva, Sudanese Forestry Society
  • Sudan Journal of Desertification Research (Sd.J.Des.Res.)
  • Sudanese Journal of Agricultural Sciences (SJAS)
  • Journal of the Arab Authority for Agricultural Investment and Development