Impacts of the Intensive Use of Rangeland on the Vegetation Attributes and Soil Seed Bank of Al-Baja Area, White Nile- Sudan

الموضوعات :

Mohammed Abdelsalam ¹ , Hafsa MohammedNor ² , Abdelbasit Elmagboul ³ , Hala Hassan ⁴

1 - Department of Range Science, College of Forestry and Range Science, Sudan University of Science and Technology
2 - Department of Range Science, College of Forestry and Range Science, Sudan University of Science and Technology, Khartoum, Sudan
3 - Department of Forestry, College of Forestry and Range Science, Sudan University of Science and Technology, Khartoum, Sudan
4 - Department of Range Science, College of Forestry and Range Science, Sudan University of Science and Technology, Khartoum, Sudan

تاريخ الإرسال : 30 الأربعاء , رمضان, 1442 تاريخ التأكيد : 28 الثلاثاء , صفر, 1443 تاريخ الإصدار : 05 السبت , ربيع الأول, 1444

الکلمات المفتاحية: biomass, Seed density, Botanical composition, Al-Baja area, Ground cover,

ملخص المقالة :

Al-Baja area, in White Nile State is considered one of the most important rangelands in Sudan as a rainy season grazing area, it used intensively by the herders. The study was conducted in the end of rainy season, November 2019. The study aimed to assess the impacts of intensive use of rangeland on the vegetation attributes and the soil seed bank of Al-Baja area. Parker loop and quadrate were used to determine the vegetation attributes. The number of samples was distributed systematically along line transects. Soil sample was taken from three depths (0-5, 6-10 and 11-15 cm) to assess soil seed bank. The data were analyzed using SAS statistical program, Duncan procedure for mean separation. There were significant differences between the ground cover components. The litters and bare soil recorded high percentage of 40 and 31%, respectively. The species Schoenefeldia gracilis recorded high plant composition 93% with density of 75 plant/m². The study showed that the biomass and carrying capacity of Al-Baja area was very low. The results found that Schoenefeldia gracilis recorded highest presence of seed in the soil (live 68.2% and dead 70.4%). The study revealed that the soil depth had a significant impact on the seed number and density in the study area and the highest values of both live and dead seed were observed in the upper soil layer (0-5 cm). The natural rangelands in Al-Baja area have been severely degraded as a result of intensive use by the herders and their animals.

المصادر:

Abdallah M. H., 2008. A Study on the Soil Seed Bank in a Rangeland in the White Nile State. (Case Study El Getaina Locality). M.Sc dissertation, Sudan University of Science and Technology, College of Graduate Studies. Khartoum, Sudan.

Abdelsalam M. I, Abdalla N. I, Abdelkreim M, Ibrahim M. E. A and Mohammed M. M., 2017. The Impact of Continuous Grazing on Natural Rangeland in Alazzazah area-Blue Nile State, Sudan. Journal of Rangeland Science, (7) 4. 309-315.

Abdelsalam M. I, Ibrahim G. A, Almagboul A. H. and Fashir G. A. 2016. Determination of Range Plant Attributes in Kadugli Locality, South Kordofan State, Sudan. International Journal of Innovative Research in Science, Engineering and Technology, (5) 2. 1525-1529.

Abdelsalam M. I, Mohammed A. A and Mahamadeen M. S., 2012. Comparison of different range types in terms of vegetation attributes and carrying capacity, South Kordofan State, Kadugli locality. Journal of Agricultural and Veterinary Science. SUST. Sudan.

Abdelsalam M. I., 2008. Assessment of Commonly Used Sampling and Measurement Techniques as Related to Natural Rangeland Management. Dissertation Submitted in Partial Fulfillment of the Requirement of M.Sc. In Range Science, Sudan University of Science and Technology, Khartoum, Sudan.

Abdelsalam, M. I., 2019. Effect of Cultivation Practices on Al-Safari (Crotalaria senegalensis) for Domestication as Forage Plant. SUST Journal of Agricultural and Veterinary Sciences (SJAVS). (20) 2. 101-107.

Abusuwar, A. O., 2007. Range management. 1^st edn UNESCO Chair on Desertification, University of Khartoum, Sudan.

Ahmed, A.I.; Hou, L.; Yan, R.; Xin, X.; Zainelabdeen, Y.M. The Joint Effect of Grazing Intensity and Soil Factors on Aboveground Net Primary Production in Hulunber Grasslands Meadow Steppe. Agriculture 2020, 10, 263. https://doi.org/10.3390/agriculture10070263

Frahaldour, S. A., Abdalla, Y. Y., Gaiballa, A. K., and Abdelsalam, M. I., 2019. Variation of Soil Seeds Bank in Natural Rangeland of Wad Omer Agricultural Scheme, West Omdurman, Sudan. Sudan Journal of Science and Technology. (20). 2. 54-61.

Getabalew M and Alemneh T., 2019. Factors Affecting the Productivity of Rangelands. J Plant Sci Agri Res 3 (1:19).

Mohammed F. S. Al, Abdelsalam, M. I, and Ibrahim G. A., 2020. Assessment the Effect of Gold Mining Activities on Soil Seed Bank at Al-Sobag Area of Butana Rangeland- Gedarif State- Sudan. Agrica. 9 (2). 119-124. DOI 1059582394448X2020000164.

Muir, S and McClaran, M. P., 1997. Rangeland inventory, monitoring and evaluation. Arizona University, USA.

Parker K, W., 1951. A method for measuring trend in range condition on National Forest ranges. USDA Forest Service, Washington, D.C. 26pp.

Salih, E. M, Nimir, O. A, Kobbail, A. A, Elkhalifa, A. A, Abdelsalam, M. I and Lazim, A. M. M., 2020. Performance of Some Selected Forage Plant Species in Sandy Loam Soil at Esunnot Area of Western Kordofan State, Sudan. International Journal of Multidisciplinary Research and Publications (IJMRAP), 3 (5), 1- 4.