Title of article :
POPULATION STATUS OF Boswellia papyrifera (Del.) HOCHST IN THE DRY WOODLANDS OF NUBA MOUNTAINS, SOUTH KORDOFAN STATE, SUDAN
Author/Authors :
ABTEW، Asmamaw Alemu نويسنده , , PRETZSCH، Jürgen نويسنده Ph.D., Prof, Institute of International Forestry and Forest Products, Dresden University of Technology, Tharandt, Germany , , MOHAMOUD، Tarig El-Sheikh نويسنده Ph.D., Gum Arabic Centre, University of Kordofan, Sudan , , ADAM، Yahia Omar نويسنده Faculty of Forestry, University of Khartoum, Sudan ,
Abstract :
Boswellia papyrifera (Del.) Hochst. is a dryland tree species with diverse
ecological and economic benefits. It is a source of frankincense with wider
applications in cultural uses and modern pharmaceutical and cosmetic industries.
Despite the potential and actual economic and environmental conservation
benefits of the tree species, the woodland harboring this species is degrading.
Adequate knowledge on the resource base including the current status of its
population is crucial for sustainable management of the resource. This paper
presents (i) the population structure and density of Boswellia; (ii) the natural
regeneration status of Boswellia; and (iii) assess the frankincense harvesting
intensity and visible damages on Boswellia tree in the study area. The study was
carried out in two woodlands in South Kordofan state, Sudan, namely Kajinat
reserved forest and Tajmala unreserved forest. The results show that the
population of the tree species is unstable characterized by lack of recruitment and
threatened by interrelated factors. Low densities 81 ± 79 trees ha-1 and 52 ± 50
trees ha-1 was observed in Kajinat reserved forest and Tajmala unreserved forest,
respectively. All the individuals in the two stands have diameter at breast height
(DBH) greater than 11cm. A complete lack of regeneration and juvenile
individuals, high mortality, and damages by insect and browsing was observed.
Additionally, 43 % of the trees were observed severely over tapped with more
than 15 tapping spots. Due to the current threats, the resource base is under threat
due to uncontrolled frankincense exploitation among others. Proper management
plan and domestication of the species through artificial regeneration and area
closure are urgently needed.