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Thomas Seifert   Professor  Institute, Department or Faculty Head 
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Thomas Seifert published an article in April 2017.
Top co-authors
P.W. Chirwa

12 shared publications

Department of Integrated Plant and Soil Sciences, University of Pretoria, Private Bag X20, Hatfield, Pretoria 0028, South Africa

Publication Record
Distribution of Articles published per year 
(2004 - 2017)
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Article 4 Reads 0 Citations The effect of surface fire on tree ring growth of Pinus radiata trees Thomas Seifert, Martina Meincken, Benedict O Odhiambo Published: 14 April 2017
Annals of Forest Science, doi: 10.1007/s13595-016-0608-8
DOI See at publisher website
Article 0 Reads 2 Citations Potential supply of floral resources to managed honey bees in natural mistbelt forests Sylvanus Mensah, Ruan Veldtman, Thomas Seifert Published: 01 March 2017
Journal of Environmental Management, doi: 10.1016/j.jenvman.2016.12.033
DOI See at publisher website PubMed View at PubMed
Article 0 Reads 4 Citations Ecosystem service importance and use vary with socio-environmental factors: A study from household-surveys in local comm... Sylvanus Mensah, Ruan Veldtman, Achille Ephrem Assogbadjo, C... Published: 01 February 2017
Ecosystem Services, doi: 10.1016/j.ecoser.2016.10.018
DOI See at publisher website
Article 4 Reads 0 Citations Trade-off relationships between tree growth and defense: a comparison of Ocotea bullata and Curtisia dentata following b... Ntombizodwa Ngubeni, Shayne Jacobs, Armin Seydack, Wessel Ve... Published: 01 November 2016
Trees, doi: 10.1007/s00468-016-1487-1
DOI See at publisher website
Article 0 Reads 9 Citations Tree species diversity promotes aboveground carbon storage through functional diversity and functional dominance Sylvanus Mensah, Ruan Veldtman, Achille E. Assogbadjo, Romai... Published: 29 September 2016
Ecology and Evolution, doi: 10.1002/ece3.2525
DOI See at publisher website ABS Show/hide abstract
The relationship between biodiversity and ecosystem function has increasingly been debated as the cornerstone of the processes behind ecosystem services delivery. Experimental and natural field-based studies have come up with nonconsistent patterns of biodiversity–ecosystem function, supporting either niche complementarity or selection effects hypothesis. Here, we used aboveground carbon (AGC) storage as proxy for ecosystem function in a South African mistbelt forest, and analyzed its relationship with species diversity, through functional diversity and functional dominance. We hypothesized that (1) diversity influences AGC through functional diversity and functional dominance effects; and (2) effects of diversity on AGC would be greater for functional dominance than for functional diversity. Community weight mean (CWM) of functional traits (wood density, specific leaf area, and maximum plant height) were calculated to assess functional dominance (selection effects). As for functional diversity (complementarity effects), multitrait functional diversity indices were computed. The first hypothesis was tested using structural equation modeling. For the second hypothesis, effects of environmental variables such as slope and altitude were tested first, and separate linear mixed-effects models were fitted afterward for functional diversity, functional dominance, and both. Results showed that AGC varied significantly along the slope gradient, with lower values at steeper sites. Species diversity (richness) had positive relationship with AGC, even when slope effects were considered. As predicted, diversity effects on AGC were mediated through functional diversity and functional dominance, suggesting that both the niche complementarity and the selection effects are not exclusively affecting carbon storage. However, the effects were greater for functional diversity than for functional dominance. Furthermore, functional dominance effects were strongly transmitted by CWM of maximum plant height, reflecting the importance of forest vertical stratification for diversity–carbon relationship. We therefore argue for stronger complementary effects that would be induced also by complementary light-use efficiency of tree and species growing in the understory layer.
Article 0 Reads 5 Citations Allometric models for height and aboveground biomass of dominant tree species in South African Mistbelt forests Sylvanus Mensah, Ruan Veldtman, Thomas Seifert Published: 20 September 2016
Southern Forests: a Journal of Forest Science, doi: 10.2989/20702620.2016.1225187
DOI See at publisher website