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The role of landscape heterogeneity in regulating plant functional diversity under different precipitation and grazing regimes in semi-arid savannas

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  • Guo, Tong
  • Weise, Hanna
  • Fiedler, Sebastian
  • Lohmann, Dirk
  • Tietjen, Britta

Abstract

1. Savanna systems exhibit a high plant functional diversity. While aridity and livestock grazing intensity have been widely discussed as drivers of savanna vegetation composition, physical soil properties have received less attention. Since savannas can show local differences in soil properties, these might act as environmental filters and affect plant diversity and ecosystem functioning at the patch scale. However, research on the link between savanna vegetation diversity and ecosystem function is widely missing.

Suggested Citation

  • Guo, Tong & Weise, Hanna & Fiedler, Sebastian & Lohmann, Dirk & Tietjen, Britta, 2018. "The role of landscape heterogeneity in regulating plant functional diversity under different precipitation and grazing regimes in semi-arid savannas," Ecological Modelling, Elsevier, vol. 379(C), pages 1-9.
    • Handle: RePEc:eee:ecomod:v:379:y:2018:i:c:p:1-9
    DOI: 10.1016/j.ecolmodel.2018.04.009
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    References listed on IDEAS

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    1. Mahesh Sankaran & Niall P. Hanan & Robert J. Scholes & Jayashree Ratnam & David J. Augustine & Brian S. Cade & Jacques Gignoux & Steven I. Higgins & Xavier Le Roux & Fulco Ludwig & Jonas Ardo & Feetha, 2005. "Determinants of woody cover in African savannas," Nature, Nature, vol. 438(7069), pages 846-849, December.
    2. Tietjen, Britta, 2016. "Same rainfall amount different vegetation—How environmental conditions and their interactions influence savanna dynamics," Ecological Modelling, Elsevier, vol. 326(C), pages 13-22.
    3. Guo, Tong & Lohmann, Dirk & Ratzmann, Gregor & Tietjen, Britta, 2016. "Response of semi-arid savanna vegetation composition towards grazing along a precipitation gradient—The effect of including plant heterogeneity into an ecohydrological savanna model," Ecological Modelling, Elsevier, vol. 325(C), pages 47-56.
    4. Peterman, Wendy & Bachelet, Dominique & Ferschweiler, Ken & Sheehan, Timothy, 2014. "Soil depth affects simulated carbon and water in the MC2 dynamic global vegetation model," Ecological Modelling, Elsevier, vol. 294(C), pages 84-93.
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    Cited by:

    1. Schippers, Peter & Ozinga, Wim A. & Pouwels, Rogier, 2022. "Factors affecting functional diversity of grassland vegetations," Ecological Modelling, Elsevier, vol. 472(C).

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