Invasive trees and shrubs: where do they come from and what we should expect in the future?

Rejmánek, Marcel

doi:10.1007/s10530-013-0603-z

Cited by 59 publications

(62 citation statements)

References 75 publications

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“…There have been few detailed studies of invasions from tropical plantations, but many tropical species are listed in general reviews [43,51]. Species in the genera Pinus and Acacia (in the broad sense) account for many of these records, but many other species are also mentioned for one or more regions (Table 3).…”

Section: Plantation Forests As Source Of Invasionmentioning

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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Section: Plantation Forests As Source Of Invasionmentioning

confidence: 99%

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

Padmanaba

Corlett

2014

Forests

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“…Therefore, according to the conservation biology definition, C. alternifolia may not be considered invasive, due to lack of confirmed impact on biodiversity. Nevertheless, its ability to spread due to its dispersal mode (zoochory) and ornamental value, resulting in its popularity in horticulture, and therefore increasing propagule pressure, are traits indicative of invasiveness (Pyšek et al 2009;Rejmánek 2014). It is also possible that the C. alternifolia in Rogów represents the end of the 'lag phase' of biological invasion, as this last for an average of 131 years in cases of alien shrub species (Kowarik 1995).…”

Section: Discussionmentioning

confidence: 99%

“…This species can reproduce by root suckers and seeds, which are dispersed by gravity and animals (Coladonato 1994). Wide geographical and climatic range, together with its ornamental value, allows C. alternifolia to be cultivated in several countries, which can favor risk of invasion (Pyšek et al 2009;Rejmánek 2014). However, this species was never found escaping from cultivation, except in Slovakia (Medvecká et al 2012), where it was treated as casual and not invasive in natural ecosystems.…”

Section: Species Studiedmentioning

confidence: 99%

“…Due to the longevity and size of woody species (Richardson and Rejmánek 2011;Rejmánek 2014), as well as their strong ability to modify habitat (transformers species sensu Richardson et al 2000), invasive woody species can be especially damaging to the environment. Tree species (both alien and native) influence light availability (Knight et al 2008;Niinemets 2010), mineral nutrient cycling (Augusto et al 2002;Reich et al 2005;Dauer et al 2007;Mueller et al 2012), soil acidity (Binkley and Valentine 1991;Binkley and Giardina 1998;Mueller et al 2012), decomposition rate (Hobbie et al 2006(Hobbie et al , 2010, fine root and leaf lifespans (Withington et al 2006), ectomycorrhizal infections (Dickie et al 2006;Trocha et al 2012), and soil biota (Mueller et al 2015(Mueller et al , 2016.…”

Section: Introductionmentioning

confidence: 99%

“…One of the most important consequences is higher competitive performance of alien species, which displace native species (Vitousek 1990;Lövei 1997;Rejmánek 2014). There are many studies concerning competition between alien and native plant species (Gorchov and Trisel 2003;Saccone et al 2010;Robakowski and Bielinis 2011;Kawaletz et al 2014;Sanderson and Antunes 2013;McShane et al 2015).…”

Section: Introductionmentioning

confidence: 99%

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Interaction between invasive and potentially invasive shrub species does not influence relationships between their ecological success and distance from propagule sources

et al. 2017

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Although interactions between alien and native plant species are well studied, data on interactions between two co-existing alien species with respect to their invasibility are scarce. The aims of this study were (1) to evaluate three factors shaping abundance of the alien shrub species Cornus alternifolia: abundance of another alien (invasive) shrub species (Prunus serotina), type of tree stand (coniferous vs. broadleaved) and distance to propagule sources and (2) to assess the potential dispersal distance of the species studied. Densities of both species were assessed within 194 experimental plots (located in experimental plantations of trees) in Rogów Arboretum (Central Poland). P. serotina occurred on 79 and C. alternifolia on 33 of the 194 plots. The furthest distance of C. alternifolia from the propagule source was 338 m. C. alternifolia reached higher densities in coniferous than broadleaved tree stands. Density of C. alternifolia depended on tree stand type and distance from the propagule source, but did not depend on density of P. serotina. Density of C. alternifolia decreased with increasing distance from the propagule source; however, this relationship was modified by the type of tree stand: densities were lower in broadleaved than in coniferous stands. The presence of the invasive species seems to neither facilitate nor limit the dispersal distance of C. alternifolia, as these two species differ in shade tolerance. The study also provided the first information about C. alternifolia potential invasiveness, because earlier this species was noticed only as casually escaping from cultivation in Slovakia.

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Explaining naturalization and invasiveness: new insights from historical ornamental plant catalogs

Lavoie

Joly

Bergeron

et al. 2016

Ecology and Evolution

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We identified plant attributes associated with naturalization and invasiveness using century‐old ornamental plant catalogs from Québec (Canada). We tested the hypothesis that naturalization is determined by fewer factors than invasiveness, as the latter also requires dispersal, which introduces additional complexity. The approach we used took into account not only plant attributes as explanatory factors, but also propagule pressure, while accounting for phylogenetic relationships among species. Museum collections were used, in combination with scientific journal databases, to assess invasiveness. Particular attention was given to species that never escaped from gardens and thus represent cases of “failed” invasions. Naturalization in cold‐temperate environments is determined by fewer factors than invasion, but only if phylogenetic links between species are taken into account, highlighting the importance of phylogenetic tools for analyzing species pools not resulting from a random selection of taxa. Hardiness is the main factor explaining naturalization in Québec. Invasion requires dispersal, as shown by three significant variables associated with the spread of diaspores in the invasiveness model (seed weight, hydrochory, number of seed dispersal modes). Plants that are not cold‐hardy are likely to disappear from the market or nature, but the disappearance phenomenon is more complex, involving also seed dispersal abilities and propagule pressure. Factors contributing to naturalization or invasiveness may differ greatly between regions. Differences are due in part to the plant traits used in the models and the methodology. However, this study, conducted in a cold‐temperate region, sheds new light on what is likely a context (climatic)‐dependant phenomenon.

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Invasive trees and shrubs: where do they come from and what we should expect in the future?

Cited by 59 publications

References 75 publications

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

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

Interaction between invasive and potentially invasive shrub species does not influence relationships between their ecological success and distance from propagule sources

Explaining naturalization and invasiveness: new insights from historical ornamental plant catalogs

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