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Age and growth rate determination using growth rings of selected miombo woodland species in charcoal and, slash and burn regrowth stands in Zambia

dc.contributor.authorSyampungani, Stephen
dc.contributor.authorGeldenhuys, Coert Johannes
dc.contributor.authorChirwa, Paxie W.
dc.date.accessioned2011-04-18T06:31:21Z
dc.date.available2011-04-18T06:31:21Z
dc.date.issued2010-08
dc.description.abstractThe field of dendrochronology has not been widely applied in tropical species because many scientists generally perceive that such species rarely produce distinct growth rings. This study was undertaken to determine if the key Miombo species produce distinct growth rings and to determine the relationship between the number of growth rings and age of the tree and stem diameter. The results showed a high correlation between number of growth rings and stand age for both charcoal (P < 0.001, r = 0.9246) and slash and burn (P < 0.001, r = 0.9019) regrowth stands. Additionally, the study has revealed high mean annual ring width values ranging from 4.4 to 5.6 mm in both charcoal and slash and burn regrowth stands. The pattern of ring development per year and the mean annual ring width values provide a basis for the use of ring counts in determining the age of Miombo regrowth stands and predicting the merchantable age for key Miombo woodland species. The results can therefore be used in planning the cutting cycles in Miombo woodlands. However, the phenomenon of missing growth rings suggests that the influence of environment in the use of growth rings in age determination need to be considered in areas that experience droughts.en
dc.description.sponsorshipWorld Wildlife Fund (WWF) and the Copperbelt University, Zambiaen_US
dc.description.urihttp://www.academicjournals.org/jeneen_US
dc.identifier.citationSyampungani, S, Geldenhuys, C & Chirwa, PW 2010, 'Age and growth rate determination using growth rings of selected miombo woodland species in charcoal and, slash and burn regrowth stands in Zambia', Journal of Ecology and the Natural Environment, vol. 2, no. 8, pp. 167-174. [http://www.academicjournals.org/jene/index.htm]en
dc.identifier.issn2006-9847
dc.identifier.urihttp://hdl.handle.net/2263/16307
dc.language.isoenen_US
dc.publisherAcademic Journalsen_US
dc.rights©2010 Academic Journalsen_US
dc.subjectGrowth ratesen
dc.subjectGrowth ringsen
dc.subjectCutting rotationsen
dc.subject.lcshMiombo -- Growth -- Zambiaen
dc.subject.lcshMiombo -- Age determination -- Zambiaen
dc.subject.lcshDendrochronology -- Zambiaen
dc.subject.lcshTree-ringsen
dc.titleAge and growth rate determination using growth rings of selected miombo woodland species in charcoal and, slash and burn regrowth stands in Zambiaen
dc.typeArticleen

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