Forest habitat invasions – Who with whom, where and why

Medvecká, Jana; Jarolímek, Ivan; Hegedüšová, Katarína; Škodová, Iveta; Bazalová, Denisa; Botková, Katarína; Šibíková, Mária

doi:10.1016/j.foreco.2017.08.038

Cited by 44 publications

(23 citation statements)

References 78 publications

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“…Riparian forests for instance accounted for the largest portion of studies within our review (25% of all studies) as well as for the highest numbers of IAS. This is in line with Medvecká et al (2018) who also report the highest percentage of non-native species in riparian forests and highlight that IAS are well-adapted to riparian forests. Their success may be reasoned by occurrence of frequent disturbances and nutrient enrichment due to periodic flooding events in riparian forests (e.g.…”

Section: Discussionsupporting

confidence: 91%

“…Their success may be reasoned by occurrence of frequent disturbances and nutrient enrichment due to periodic flooding events in riparian forests (e.g. Kalusová et al, 2013 ; Medvecká et al, 2018 ). Natural or anthropogenic disturbances and forest fragmentation favor the spread of IAS in forest ecosystems, by increasing light and nutrient availability ( Brothers and Spingarn, 1992 ; Alston and Richardson, 2006 ; Raghubanshi and Tripathi, 2009 ; González-Moreno et al, 2013 ).…”

Section: Discussionmentioning

confidence: 99%

“…The complexity of alien plant invasion processes in temperate forests is driven by the invasibility after disturbances of the individual forest ecosystem and the species-specific characteristics of the involved native and non-native species. Most studied species exhibit particular traits that are linked to habitat-independent invaders of disturbed and nutrient-rich areas, such as large seed numbers, anemochore seed dispersal, light demand, and rapid growth rates ( Dreiss and Volin, 2013 ; Schmiedel et al, 2013 ; Medvecká et al, 2018 ). Relatively few alien plant species with long life spans and slow growth rates that can form a persistent seed bank and have life histories similar to those of native plant species have been studied.…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, several policies, risk assessments and legislations are now in place to regulate the spread of IAS in forest ecosystems ( Heywood and Brunel, 2009 ; Brundu and Richardson, 2016 ; Pötzelsberger et al, 2020 ). The threats caused by IAS in forest ecosystems include hybridization, transmission of diseases and species competition ( Knapp and Canham, 2000 ; Ashton et al, 2005 ; Vilà et al, 2011 ; Medvecká et al, 2018 ). The establishment and spread of alien plants in temperate forest ecosystems have not been widely considered until recently ( Essl et al, 2011 ; Wagner et al, 2017 ), and European temperate broadleaf and mixed forests in particular were previously considered less affected than other landcover types ( Chytrý et al, 2009 ; Martin et al, 2009 ).…”

Section: Introductionmentioning

confidence: 99%

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A Systematic Review of the Impact of Invasive Alien Plants on Forest Regeneration in European Temperate Forests

Langmaier

Lapin

2020

Front. Plant Sci.

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Invasive alien species (IAS) are one of the major threats to global and local biodiversity. In forest ecosystems, the threats caused by IAS include hybridization, transmission of diseases and species competition. This review sets out to analyze the impact of alien plant species on forest regeneration, which we consider to be one of the key stages in tree ecology for the survival of forest ecosystems in the future. The focus of the study is directly relevant to practitioners, forest managers and the conservation management of forests. With this systematic review, we aim to provide an overview of 48 research studies reporting on the impact and/or management of IAS in European temperate forests. We followed a multi-step protocol for compiling the publications for the literature review, with nine search queries producing a total of 3,825 hits. After several reduction rounds, we ended up with a grand total of 48 papers. We identified 53 vascular plant species having a negative influence on forest regeneration in Central European forests. In total, 21 tree species are reported to be impacted by IAS in 24 studies. The results of the review synthesis show that five impact mechanisms affect the regeneration success of native tree species: competition for resources, chemical impact on regeneration, physical impact on regeneration, structural impact on regeneration and indirect impact through interaction with other species. We identified in our synthesis management measures that have been recommended for application at different stages of biological invasions. The associated costs and required resources of management measures are under-reported or not accessible by reviewing the scientific literature. We can thus conclude that it is very import to improve the links between science and practical forest management. We expect that this review will provide direction for invasive plant species research and management aimed at protecting biodiversity in European temperate forest ecosystems.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Systematic Review of the Impact of Invasive Alien Plants on Forest Regeneration in European Temperate Forests

Langmaier

Lapin

2020

Front. Plant Sci.

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“…Furthermore, unmanaged forests in lowlands with a low inclination are more likely to be invaded by IAS. These findings are in line with previous investigations showing that IAS preferably invade temperate European forests in warm climates and at lower elevations (Arévalo et al 2005;Becker et al 2005;Chytrý et al 2009;Medvecká et al 2018).…”

Section: Drivers Influencing the Occurrence Of Ias In The Herbaceous supporting

confidence: 93%

Invasive alien plant species in unmanaged forest reserves, Austria

Lapin¹,

Oettel²,

Steiner³

et al. 2019

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Invasive alien plant species (IAS) are one of the greatest threats to global biodiversity and the sustainable functioning of ecosystems and mitigating the threat posed by them is therefore of great importance. This study presents the results of a 15-year investigation into how IAS occur within natural forest reserves (NFR): unmanaged forest ecosystems within Austria, concluding that unmanaged forests are not resistant to plant invasions. The study comprised ground vegetation, regeneration, and stand structure surveys. The presence or absence of IAS in different forest types was assessed and the influencing variables for their presence or absence were determined. In addition, the study analysed whether the abundance of IAS has increased at the site level within the past decade. Significant differences in the probability of IAS presences between forest types (photosociological alliances) were found. The results of the study show that natural riparian and floodplain forests are among the forest types most vulnerable to biological invasions, which is reflected in elevation and soil type being determined as the main factors influencing the spread of IAS in unmanaged forests. The results of this study may be useful for persons responsible for sustainable forest management programmes or for managing forested areas within national parks. They provide a case study on non-intervention forest management policy in order to mitigate the impacts of IAS in protected areas. Forest areas, where IAS begin to spread can be identified, which in turn leads to measures in the early stages of invasion, and to optimise monitoring and control measures for relevant species in Central European forest types.

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Exotic plantations differ in “nursing” an understory invader: A probe into invasional meltdown

Wang,

Li,

Yang

et al. 2024

Ecology and Evolution

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Forest plantations most likely promote exotic plant invasion. Using an in situ monitoring method, this study investigated the traits correlated with growth and reproduction of an understory invader, Phytolacca americana L., and ecological factors including understory irradiance, soil stoichiometry and microbial patterns associated with these traits in different exotic plantations of Robinia pseudoacacia L. and Pinus thunbergii Parl. at Mount Lao, Qingdao, China. We found that the traits of P. americana underneath the R. pseudoacacia stand might be situated at the fast side of the trait economic spectrum. The R. pseudoacacia stand appeared to “nurse” P. americana. Furthermore, we intended to explain the nurse effects of R. pseudoacacia stands by examining their ecological factors. First, the R. pseudoacacia stand created understory light attenuation, which matched the sciophilous feature of P. americana. Second, the soil beneath the R. pseudoacacia stand might benefit P. americana more since the soil has greater resource availability. Third, a higher microbial diversity was found in the soil derived from P. americana underneath the R. pseudoacacia stand. A greater abundance of plant pathogens was detected in the soil derived from P. americana in the R. pseudoacacia stand, while more abundant mycorrhizal fungi were detected in the P. thunbergii stand. We speculate that plant pathogens can defend P. americana from aggression from other understory competitors. The mycorrhizal fungi in the P. thunbergii stand might benefit P. americana while simultaneously benefiting other understory plants. Intensive competition from other plants might interfere with P. americana. The potential relationships between plant performance and ecological factors may explain the invasion mechanism of P. americana. The present study provides a novel insight on the facilitative effects of exotic tree plantation on an exotic herb through the modification of soil biota, with implications for the biocontrol of invasive species and forest management and conservation.

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Forest habitat invasions – Who with whom, where and why

Cited by 44 publications

References 78 publications

A Systematic Review of the Impact of Invasive Alien Plants on Forest Regeneration in European Temperate Forests

A Systematic Review of the Impact of Invasive Alien Plants on Forest Regeneration in European Temperate Forests

Invasive alien plant species in unmanaged forest reserves, Austria

Exotic plantations differ in “nursing” an understory invader: A probe into invasional meltdown

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