Invasion dynamics of Lantana camara L. (sensu lato) in South Africa

W. Vardien, D. M. Richardson, L. C. Foxcroft, G. D. Thompson, J. R. U. Wilson, J. J. Le Roux*

*Corresponding author for this work

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Abstract

Lantana camara L. (sensu lato) has a wide range of impacts throughout its global invasive range. Here we review the mechanisms driving its invasion dynamics in South Africa at national (biome, habitat) and regional (within a protected area) scales. Although only three introduction events into South Africa have been recorded (the earliest in 1858), as of 1998 L. camara was found in over 2. million. ha (total area), with a condensed area of about 70,000. ha. Moreover, L. camara is present in most of the country's major biomes and a diversity of habitats, confirming its broad ecological tolerance. Using correlative bioclimatic models, we show that under future climate conditions, L. camara's range in South Africa could expand considerably over the coming decades. While human-mediated dispersal and climatic suitability have been crucial in shaping L. camara's current broad-scale distribution in South Africa, dispersal by birds and along rivers are important drivers of invasion at landscape scales. For example, current evidence suggests that in the Kruger National Park, L. camara has spread primarily along rivers. We conclude with a discussion on the implications of the different invasion dynamics for biological control and management, and provide recommendations for future research.

Original languageEnglish
Pages (from-to)81-94
Number of pages14
JournalSouth African Journal of Botany
Volume81
DOIs
Publication statusPublished - Jul 2012
Externally publishedYes

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Bibliographical note

Copyright 2012 SAAB. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • biological invasions
  • geographic distribution
  • Kruger National Park
  • management

Cite this

Vardien, W., Richardson, D. M., Foxcroft, L. C., Thompson, G. D., Wilson, J. R. U., & Le Roux, J. J. (2012). Invasion dynamics of Lantana camara L. (sensu lato) in South Africa. South African Journal of Botany, 81, 81-94. https://doi.org/10.1016/j.sajb.2012.06.002