A Compendium of Essential Concepts and Terminology in Invasion Ecology

Richardson, David M.; Pyšek, Petr; Carlton, James T.

doi:10.1002/9781444329988.ch30

Cited by 207 publications

(243 citation statements)

References 77 publications

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“…Davis (2009), as an example, proposes to focus on similarities between processes of species redistributions instead of trying to separate aliens from rangeexpanding native species . It is useful to state whether this view is shared, or invasive species are regarded as a subset of alien species (see e.g., ISSG 2000; Richardson et al 2011 for respective definitions).…”

Section: Key Measure 1: Checklist For Explicit Definitionsmentioning

confidence: 99%

Conceptual Frameworks and Methods for Advancing Invasion Ecology

Heger

Pahl

Botta‐Dukát

et al. 2013

AMBIO

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Invasion ecology has much advanced since its early beginnings. Nevertheless, explanation, prediction, and management of biological invasions remain difficult. We argue that progress in invasion research can be accelerated by, first, pointing out difficulties this field is currently facing and, second, looking for measures to overcome them. We see basic and applied research in invasion ecology confronted with difficulties arising from (A) societal issues, e.g., disparate perceptions of invasive species; (B) the peculiarity of the invasion process, e.g., its complexity and context dependency; and (C) the scientific methodology, e.g., imprecise hypotheses. To overcome these difficulties, we propose three key measures: (1) a checklist for definitions to encourage explicit definitions; (2) implementation of a hierarchy of hypotheses (HoH), where general hypotheses branch into specific and precisely testable hypotheses; and (3) platforms for improved communication. These measures may significantly increase conceptual clarity and enhance communication, thus advancing invasion ecology.

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Section: Key Measure 1: Checklist For Explicit Definitionsmentioning

confidence: 99%

Conceptual Frameworks and Methods for Advancing Invasion Ecology

Heger

Pahl

Botta‐Dukát

et al. 2013

AMBIO

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“…This helps to clarify to which stages in the invasion process different terms refer, and helps to consolidate invasion terminology. This has important implications for streamlining the transfer of research results to management [9].…”

Section: Reason 8: Mapping Management Optionsmentioning

confidence: 99%

“…Perhaps the most damaging is that invasion biologists have pursued their research using a variety of terminologies, using synonymous terms for the same process, different definitions of the same term, and dissecting and pursuing the invasion process in different ways (see [5]). This starts from the basic level of defining a native species [6], and what to call a species that has been transported beyond the limits of its native geographic range and that has established a population in an area where it was not known to occur previously [2,5,[7][8][9]. It carries on through when species should be termed invasive or an invader [6,8,10], what are the key processes and traits that determine the transformation of a species from a native to an invader [2,11,12] and how these processes should be analysed [13][14][15][16][17].…”

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confidence: 99%

A proposed unified framework for biological invasions

Blackburn

Pyšek

Bacher

et al. 2011

Trends in Ecology & Evolution

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1,786

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There has been a dramatic growth in research on biological invasions over the past 20 years, but a mature understanding of the field has been hampered because invasion biologists concerned with different taxa and different environments have largely adopted different model frameworks for the invasion process, resulting in a confusing range of concepts, terms and definitions. In this review, we propose a unified framework for biological invasions that reconciles and integrates the key features of the most commonly used invasion frameworks into a single conceptual model that can be applied to all human-mediated invasions. The unified framework combines previous stage-based and barrier models, and provides a terminology and categorisation for populations at different points in the invasion process.

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“…Species with such status in flora do not form self-sustaining populations. They are not able to persist in the environment for a longer time (>10 years proposed by Richardson et al [6] or >25 years by Tutin et al [7]) without the anthropogenic "supply" of propagules.…”

Section: Introductionmentioning

confidence: 99%

“…This can happen due to the evolutionary change of the species, environmental changes (e.g., climate change) or as a result of long-term observations in the case of species classified firstly as casual alien plant, but in fact creating self-sustaining populations, which cannot be proven during a single observation [5,6]. Unequivocal assignment of status to the particular species poses many difficulties since there are no strict borders between "casual -naturalized" and "naturalized -invasive" species status, as it is rather a continuum [6].…”

Section: Introductionmentioning

confidence: 99%

Current state, habitat and potential invasiveness of Montia linearis (Douglas ex Hook.) Greene in Poland

2015

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Montia linearis is a vascular plant originating from western North America. The expansion of this species has been observed for several decades. For the first time M. linearis was found in Europe in 1989. Further six populations were documented by 2004 within the continent: three in Poland, two in Denmark and one in Hungary.Apart from discovering a new population of M. linearis, we confirmed two out of the three previously known localities of the species in Poland. All the currently known populations of M. linearis occupied predominantly meadow habitats, especially intensively managed sites. Some individuals were also found in disturbed sites with bare soil. The studied species inhabited soils of various types with broad range of fertility as well as humidity. Montia linearis populations reached densities up to 87 individuals per 0.04 m 2 . The number of seeds produced by an individual was between 10 and 55 in 90% of the studied specimens, however much more fertile specimens were also observed.As the previously presented hypothesis of M. linearis dispersal with rail transport seemed not to be well supported, the connection between the M. linearis presence and cattle husbandry is considered. It is possible that the species can be transferred with living animals or manure.The species was able to survive for at least 26 years within once inhabited site. Further spread of M. linearis within Europe is highly probable. The aim of the study is to: (i) describe the current state of populations of M. linearis in Poland, (ii) provide information on habitat preferences and biology of the species, (iii) assess the invasiveness potential of M. linearis in Poland.

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A Compendium of Essential Concepts and Terminology in Invasion Ecology

Cited by 207 publications

References 77 publications

Conceptual Frameworks and Methods for Advancing Invasion Ecology

Conceptual Frameworks and Methods for Advancing Invasion Ecology

A proposed unified framework for biological invasions

Current state, habitat and potential invasiveness of Montia linearis (Douglas ex Hook.) Greene in Poland

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