International Journal of Biodiversity and Conservation
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Article Number - 143D46B64324


Vol.9(6), pp. 200-211 , June 2017
DOI: 10.5897/IJBC2017.1085
ISSN: 2141-243X



Full Length Research Paper

Structure and regeneration status of woody plants in the Hallideghie wildlife reserve, North East Ethiopia



Ahmed Endris
  • Ahmed Endris
  • Department of Biology, College of Science, Bahir Dar University, P. O. Box 3052, Bahir Dar, Ethiopia
  • Google Scholar
Ali Seid
  • Ali Seid
  • Department of Biology, College of Science, Bahir Dar University, P. O. Box 3052, Bahir Dar, Ethiopia
  • Google Scholar
Addisu Asefa
  • Addisu Asefa
  • Ethiopian Wildlife Conservation Authority, P. O. Box 386, Addis Ababa, Ethiopia
  • Google Scholar







 Received: 25 February 2017  Accepted: 26 April 2017  Published: 30 June 2017

Copyright © 2017 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


In this study, we examined vegetation structure and regeneration status of woody plants in the Hallideghie wildlife reserve, Ethiopia. We collected data on abundance, height and diameter at breast height (DBH) of woody plant species with DBH >2.5 cm within sixty-six 20 m × 20 m sample plots and counted number of individuals of seedlings (that is, individuals with height <1.5 m) and saplings (height >1.5 m and DBH <2.5 cm) of each species within five 1 m × 1 m subplots nested within each main plot. To describe vegetation structure, we computed DBH and height size frequency distributions of individuals and species importance value indexes (IVI). Overall, we recorded 986 individuals of tree/shrub stems, belonging to 46 woody plant species. Both the number of species and individuals represented in each DBH size class and height size class showed decreasing trends with increasing size classes. However, different species showed varying patterns of DBH size structure. IVI of species varied from 0.3 to 69.1. The average density of seedlings, saplings and matured woody plants in the HWR were 1345, 899 and 374 individuals/ha, respectively. Balanites aegyptiaca and Acacia tortilis, species with high IVIs, were also among those species that exhibited poor regeneration status.

 

Key words: DBH, importance values index (IVI), Prosopis juliflora, density, invasive species.

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APA Endris, A., Seid, A., & Asefa, A. (2017). Structure and regeneration status of woody plants in the Hallideghie wildlife reserve, North East Ethiopia. International Journal of Biodiversity and Conservation, 9(6), 200-211.
Chicago Ahmed Endris, Ali Seid and Addisu Asefa. "Structure and regeneration status of woody plants in the Hallideghie wildlife reserve, North East Ethiopia." International Journal of Biodiversity and Conservation 9, no. 6 (2017): 200-211.
MLA Ahmed Endris, Ali Seid and Addisu Asefa. "Structure and regeneration status of woody plants in the Hallideghie wildlife reserve, North East Ethiopia." International Journal of Biodiversity and Conservation 9.6 (2017): 200-211.
   
DOI 10.5897/IJBC2017.1085
URL http://academicjournals.org/journal/IJBC/article-abstract/143D46B64324

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