Plant Invasions into Mountain Protected Areas: Assessment, Prevention and Control at Multiple Spatial Scales

Kueffer, Christoph; McDougall, Keith L.; Alexander, Jake M.; Daehler, Curt; Edwards, Peter J.; Haider, Sylvia; Milbau, Ann; Parks, Catherine G.; Pauchard, Aníbal; Reshi, Zafar A.; Rew, Lisa J.; Schroder, Mellesa; Seipel, Tim

doi:10.1007/978-94-007-7750-7_6

Cited by 41 publications

(46 citation statements)

References 79 publications

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“…The number of exotics, however, will continue to increase. Although we observed 104 exotics, which is about 10% of the currently known exotics in montane regions (Pauchard et al 2009;McDougall et al 2011;Kueffer et al 2013), the species pool of exotic plants in South Africa contains some 8750 taxa (Ilrich et al 2014). Moreover, our observation that new species successfully colonize the area each year shows that this mountain region is not resistant to invasion by exotics, in spite of its high species richness (Fridley et al 2007;Van Rensburg et al 2013).…”

Section: Invasion Outlookmentioning

confidence: 75%

“…Montane road verges are regularly disturbed by erosion and maintenance, creating unoccupied habitats, while traffic in the form of vehicles and tourists facilitates the introduction of new species. This suggests that easily accessible montane ecosystems are much more susceptible to invasions than previously assumed, due to a combination of anthropogenic disturbance and ongoing propagule pressure (Pauchard et al 2009;Kueffer et al 2013;Pollnac and Rew 2014).…”

Section: Discussionmentioning

confidence: 89%

“…As a result, these datasets do not have a sufficiently high spatio-temporal resolution to relate trends in species distribution to certain environmental drivers (Pyšek et al 2011). This limitation in the data is particularly noticeable in our knowledge and understanding of invasive species in montane ecosystems (McDougall et al 2011;Kueffer et al 2013). …”

Section: Introductionmentioning

confidence: 99%

“…Invasive species are often considered not to be a major threat to montane ecosystems due to the harsh environmental conditions at high elevations and a relatively low introduction rate of exotic propagules (Millennium Ecosystem Assessment 2003;Pauchard et al 2009;Kueffer et al 2013). For example, a global survey of 13 mountain areas across all continents (except Antarctica) revealed that 49% of exotic species in lowlands were also found in the adjacent mountainous areas, even though this was likely an underestimation due to the lack of comprehensive local checklists of exotics (McDougall et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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Annual monitoring reveals rapid upward movement of exotic plants in a montane ecosystem

2015

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There is increasing evidence that invasive species are threating montane ecosystems globally.However, trends in species distribution are difficult to observe directly due to a lack of data with suitable spatio-temporal resolution. Here, we aimed to detect spatio-temporal trends in exotic 1 Kalwij, J.M. et al.plants in a montane ecosystem, and to determine which drivers had a role affecting these trends.Each year, for a period of seven years, we recorded the upper elevational range limit of exotic plant species in road verges along an elevational gradient of 1,500-2,874 m a.s.l. in southern Africa. We fitted repeated-measures ANOVA models to test if upper elevational range limits changed over time. Generalized least squares models showed that exotic richness of annuals increased by 3.9 species per year. Also, the upper elevational range limits of established exotics ascended by 24.5 m/y for annuals (N = 17 species), and by 9.7 m/y for perennials (N = 26).These upward trends were too rapid to be explained by slow-acting drivers such as climatic

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Section: Invasion Outlookmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Annual monitoring reveals rapid upward movement of exotic plants in a montane ecosystem

2015

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“…Tropical foresters in general need better training in the detection and management of invasive species problems. The certification requirements of bodies such as the FSC (Forest Stewardship Council) can provide an incentive for better management of invasive species, since most of the above practices are included in the FSC's "Principles and Criteria" those managers must follow [101].…”

Section: Conclusion: Invasive Species and The Future Of Silviculturementioning

confidence: 99%

Minimizing Risks of Invasive Alien Plant Species in Tropical Production Forest Management

Padmanaba

Corlett

2014

Forests

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Timber production is the most pervasive human impact on tropical forests, but studies of logging impacts have largely focused on timber species and vertebrates. This review focuses on the risk from invasive alien plant species, which has been frequently neglected in production forest management in the tropics. Our literature search resulted in 114 publications with relevant information, including books, book chapters, reports and papers. Examples of both invasions by aliens into tropical production forests and plantation forests as sources of invasions are presented. We discuss species traits and processes affecting spread and invasion, and silvicultural practices that favor invasions. We also highlight potential impacts of invasive plant species and discuss options for managing them in production forests. We suggest that future forestry practices need to reduce the risks of plant invasions by conducting surveillance for invasive species; minimizing canopy opening during harvesting; encouraging rapid canopy closure in plantations; minimizing the width of access roads; and ensuring that vehicles and other equipment are not transporting seeds of invasive species. Potential invasive species should not be planted within dispersal range of production forests. In invasive species management, forewarned is forearmed.

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Moving Toward Global Strategies for Managing Invasive Alien Species

Meyerson

Pauchard

Brundu

et al. 2022

Global Plant Invasions

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Plant Invasions into Mountain Protected Areas: Assessment, Prevention and Control at Multiple Spatial Scales

Cited by 41 publications

References 79 publications

Annual monitoring reveals rapid upward movement of exotic plants in a montane ecosystem

Annual monitoring reveals rapid upward movement of exotic plants in a montane ecosystem

Minimizing Risks of Invasive Alien Plant Species in Tropical Production Forest Management

Moving Toward Global Strategies for Managing Invasive Alien Species

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