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  • Border interceptions of forest insects established in Australia: intercepted invaders travel early and often
    NeoBiota (IF 2.643) Pub Date : 2021-01-21
    Helen F. Nahrung; Angus J. Carnegie

    Invasive forest insects continue to accumulate in Australia (and worldwide) and cause significant impacts through costs of prevention, eradication and management, and through productivity losses and environmental and biodiversity decline. We used our recent non-native Australian forest insect species inventory to analyse border interception rates (2003–2016) of established species, and link interception

  • A multiregional assessment of transnational pathways of introduction
    NeoBiota (IF 2.643) Pub Date : 2021-01-20
    Chris M. McGrannachan; Shyama Pagad; Melodie A. McGeoch

    Information on the pathways by which alien taxa are introduced to new regions is vital for prioritising policy and management responses to invasions. However, available datasets are often compiled using disparate methods, making comparison and collation of pathway data difficult. Using a standardised framework for recording and categorising pathway data can help to rectify this problem and provide

  • Arboreta reveal the invasive potential of several conifer species in the temperate forests of western Europe
    NeoBiota (IF 2.643) Pub Date : 2021-01-20
    Aurore Fanal; Grégory Mahy; Adeline Fayolle; Arnaud Monty

    Identifying emerging invasive species is a priority to implement early preventive and control actions. In terms of the number of invasive tree species, forestry represents the second largest pathway of introduction, with an invasive debt likely existing for alien conifers in Europe. In the early 1900s, a network of arboreta was established in southern Belgium to assess the wood production potential

  • Distribution of alien tetrapods in the Iberian Peninsula
    NeoBiota (IF 2.643) Pub Date : 2021-01-11
    Fernando Ascensão; Marcello D'Amico; Ricardo C. Martins; Rui Rebelo; A. Márcia Barbosa; Joana Bencatel; Rafael Barrientos; Pedro Abellán; José L. Tella; Laura Cardador; José D. Anadón; Martina Carrete; Enrique Murgui; Pedro Fernandes; Sara M. Santos; António Mira; Maria da Luz Mathias; Patrícia Tiago; Eduardo Casabella; Luís Reino; Octávio S. Paulo; Henrique M. Pereira; César Capinha

    We present a dataset that assembles occurrence records of alien tetrapods (amphibians, reptiles, birds and mammals) in the Iberian Peninsula, a coherent biogeographically unit where introductions of alien species have occurred for millennia. These data have important potential applications for ecological research and management, including the assessment of invasion risks, formulation of preventive

  • Rapid recolonisation of feral cats following intensive culling in a semi-isolated context
    NeoBiota (IF 2.643) Pub Date : 2020-12-29
    Pauline Palmas; Raphaël Gouyet; Malik Oedin; Alexandre Millon; Jean-Jérôme Cassan; Jenny Kowi; Elsa Bonnaud; Eric Vidal

    Invasive feral cats threaten biodiversity at a global scale. Mitigating feral cat impacts and reducing their populations has therefore become a global conservation priority, especially on islands housing high endemic biodiversity. The New Caledonian archipelago is a biodiversity hotspot showing outstanding terrestrial species richness and endemism. Feral cats prey upon at least 44 of its native vertebrate

  • Native and non-native sources of carbohydrate correlate with abundance of an invasive ant
    NeoBiota (IF 2.643) Pub Date : 2020-12-17
    Lori Lach; Benjamin D. Hoffmann; Melinda L. Moir

    Invasive species threaten many ecological communities and predicting which communities and sites are invasible remains a key goal of invasion ecology. Although invasive ants often reach high abundances in association with plant-based carbohydrate resources, the source and provenance of these resources are rarely investigated. We characterized carbohydrate resources across ten sites with a range of

  • Improving the management of Japanese knotweed s.l.: a response to Jones and colleagues
    NeoBiota (IF 2.643) Pub Date : 2020-12-15
    François-Marie Martin; Fanny Dommanget; André Evette

    In a recent paper, Jones et al. (2020a) claimed that we recommended the use of mowing for the “landscape management of invasive knotweeds” in an article we published earlier this year (i.e. Martin et al. 2020), a recommendation with which they strongly disagreed. Since we never made such a recommendation and since we think that, in order to successfully control invasions by Japanese knotweed s.l. taxa

  • A classification system for predicting invasiveness using climatic niche traits and global distribution models: application to alien plant species in Chile
    NeoBiota (IF 2.643) Pub Date : 2020-12-10
    Ramiro O. Bustamante; Lúa Alves; Estefany Goncalves; Milen Duarte; Ileana Herrera

    Functional traits that predict plant invasiveness are a central issue in invasion ecology. However, in many cases they are difficult to determine, especially for a large set of species. Climatic niche traits can overcome this problem due to the ease of acquiring them for a large number of species. This effort is critical given that knowledge of species invasiveness is necessary (although not sufficient)

  • Combining live and lethal trapping to inform the management of alien invasive rodent populations in a tropical montane forest
    NeoBiota (IF 2.643) Pub Date : 2020-12-08
    Quiterie Duron; Thomas Cornulier; Eric Vidal; Edouard Bourguet; Lise Ruffino

    On large inhabited islands where complete eradication of alien invasive rodents through the use of poison delivery is often not practical or acceptable, mechanical trapping may represent the only viable option to reduce their impact in areas of high biodiversity value. However, the feasibility of sustained rodent control by trapping remains uncertain under realistic operational constraints. This study

  • Is biocontrol efficacy rather driven by the plant or the antagonist genotypes? A conceptual bioassay approach
    NeoBiota (IF 2.643) Pub Date : 2020-12-08
    Yan Sun; Carine Beuchat; Heinz Müller-Schärer

    In the new range, invasive species lack their specialist co-evolved natural enemies, which then might be used as biocontrol agents. Populations of both a plant invader in the introduced range and its potential biocontrol agents in the native range may be genetically differentiated among geographically distinct regions. This, in turn, is expected to affect the outcome of their interaction when brought

  • A molecular approach to study Hymenoptera diets using wasp nests
    NeoBiota (IF 2.643) Pub Date : 2020-11-13
    Marie-Caroline Lefort; Jacqueline R. Beggs; Travis R. Glare; Thomas E. Saunders; Erin J. Doyle; Stéphane Boyer

    The study of animal diets has benefited from the rise of high-throughput DNA sequencing applied to stomach content or faecal samples. The latter can be fresh samples used to describe recent meals or older samples, which can provide information about past feeding activities. For most invertebrates, however, it is difficult to access ‘historical’ samples, due to the small size of the animals and the

  • Changes in assemblages of native and alien plants in perennial plantations: prairie species stabilize the community composition
    NeoBiota (IF 2.643) Pub Date : 2020-11-13
    Josef Kutlvašr; Adam Baroš; Petr Pyšek; Jan Pergl

    Ornamental plantations are characteristic of a wide range of man-made habitats such as gardens, parks or urban spaces. Nowadays, low-maintenance perennial beds are becoming popular in horticulture and urban planning. Due to low levels of management and good records of initial plantation, perennial beds are suitable for studying vegetation processes such as competition amongst garden ornamentals and

  • What are the economic costs of biological invasions? A complex topic requiring international and interdisciplinary expertise
    NeoBiota (IF 2.643) Pub Date : 2020-11-03
    Christophe Diagne; Jane A. Catford; Franz Essl; Martín A. Nuñez; Franck Courchamp

    Biological invasions can cause substantial economic losses and expenses for management, as well as harm biodiversity, ecosystem services and human well-being. A comprehensive assessment of the economic costs of invasions is a challenging but essential prerequisite for efficient and sustainable management of invasive alien species. Indeed, these costs were shown to be inherently heterogeneous and complex

  • An uphill battle? The elevational distribution of alien plant species along rivers and roads in the Austrian Alps
    NeoBiota (IF 2.643) Pub Date : 2020-10-22
    Tom Vorstenbosch; Franz Essl; Bernd Lenzner

    Ever-increasing international trade and anthropogenic activity has led to the relocation of thousands of plant species worldwide. So far, the harsh climate of the European Alps historically has restricted the establishment of alien plants. However, new opportunities created by rising temperatures and increasing human activity might allow alien plants to spread further upwards. Here, the distribution

  • A priority-setting scheme for the management of invasive non-native species in protected areas
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Sílvia R. Ziller; Michele de Sá Dechoum; Raphaela Aparecida Duarte Silveira; Hugo Marques da Rosa; Marcelo Souza Motta; Leonardo Filipe da Silva; Beatriz Cunha Mello Oliveira; Rafael D. Zenni

    Invasion by non-native species is one of the major threats to the conservation of biodiversity and to the provision of ecosystem services by protected areas. Invasive species often co-occur in protected areas, represented by sparse, isolated individuals or populations in different stages in the process of invasion. Species invasiveness, habitat invasibility and impact also differ between ecosystems

  • Is invasion science moving towards agreed standards? The influence of selected frameworks
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    John R. U. Wilson; Arunava Datta; Heidi Hirsch; Jan-Hendrik Keet; Tumeka Mbobo; Khensani V. Nkuna; Mlungele M. Nsikani; Petr Pyšek; David M. Richardson; Tsungai A. Zengeya; Sabrina Kumschick

    The need to understand and manage biological invasions has driven the development of frameworks to circumscribe, classify, and elucidate aspects of the phenomenon. But how influential have these frameworks really been? To test this, we evaluated the impact of a pathway classification framework, a framework focussing on the introduction-naturalisation-invasion continuum, and two papers that outline

  • Improving the Environmental Impact Classification for Alien Taxa (EICAT): a summary of revisions to the framework and guidelines
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Lara Volery; Tim M. Blackburn; Sandro Bertolino; Thomas Evans; Piero Genovesi; Sabrina Kumschick; Helen E. Roy; Kevin G. Smith; Sven Bacher

    The Environmental Impact Classification for Alien Taxa (EICAT) classifies the impacts caused by alien species in their introduced range in standardised terms across taxa and recipient environments. Impacts are classified into one of five levels of severity, from Minimal Concern to Massive, via one of 12 impact mechanisms. Here, we explain revisions based on an IUCN-wide consultation process to the

  • The importance of assessing positive and beneficial impacts of alien species
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Giovanni Vimercati; Sabrina Kumschick; Anna F. Probert; Lara Volery; Sven Bacher

    Extensive literature is available on the diversity and magnitude of impacts that alien species cause on recipient systems. Alien species may decrease or increase attributes of ecosystems (e.g. total biomass or species diversity), thus causing negative and positive environmental impacts. Alien species may also negatively or positively impact attributes linked to local human communities (e.g. the number

  • Comparing the IUCN’s EICAT and Red List to improve assessments of the impact of biological invasions
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Dewidine Van der Colff; Sabrina Kumschick; Wendy Foden; John R. U. Wilson

    The IUCN recommends the use of two distinct schemes to assess the impacts of biological invasions on biodiversity at the species level. The IUCN Red List of Threatened Species (Red List) categorises native species based on their risk of extinction. Such assessments evaluate the extent to which different pressures, including alien species, threaten native species. The much newer IUCN Environmental Impact

  • Reciprocal human-natural system feedback loops within the invasion process
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    James S. Sinclair; Jeffrey A. Brown; Julie L. Lockwood

    Biological invasions are inextricably linked to how people collect, move, interact with and perceive non-native species. However, invasion frameworks generally do not consider reciprocal interactions between non-native species and people. Non-native species can shape human actions via beneficial or detrimental ecological and socioeconomic effects and people, in turn, shape invasions through their movements

  • Double trouble: the implications of climate change for biological invasions
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Tamara B. Robinson; Nicole Martin; Tainã G. Loureiro; Phikolomzi Matikinca; Mark P. Robertson

    The implications of climate change for biological invasions are multifaceted and vary along the invasion process. Changes in vectors and pathways are likely to manifest in changes in transport routes and destinations, together with altered transit times and traffic volume. Ultimately, changes in the nature of why, how, and where biota are transported and introduced will pose biosecurity challenges

  • MAcroecological Framework for Invasive Aliens (MAFIA): disentangling large-scale context dependence in biological invasions
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Petr Pyšek; Sven Bacher; Ingolf Kühn; Ana Novoa; Jane A. Catford; Philip E. Hulme; Jan Pergl; David M. Richardson; John R. U. Wilson; Tim M. Blackburn

    Macroecology is the study of patterns, and the processes that determine those patterns, in the distribution and abundance of organisms at large scales, whether they be spatial (from hundreds of kilometres to global), temporal (from decades to centuries), and organismal (numbers of species or higher taxa). In the context of invasion ecology, macroecological studies include, for example, analyses of

  • Understanding uncertainty in the Impact Classification for Alien Taxa (ICAT) assessments
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Anna F. Probert; Lara Volery; Sabrina Kumschick; Giovanni Vimercati; Sven Bacher

    The Environmental Impact Classification for Alien Taxa (EICAT) and the Socio-Economic Impact Classification of Alien Taxa (SEICAT) have been proposed to provide unified methods for classifying alien species according to their magnitude of impacts. EICAT and SEICAT (herein “ICAT” when refered together) were designed to facilitate the comparison between taxa and invasion contexts by using a standardised

  • The application of selected invasion frameworks to urban ecosystems
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Luke J. Potgieter; Marc W. Cadotte

    Urbanization is a major driver of global change. Profound human-mediated changes to urban environments have provided increased opportunities for species to invade. The desire to understand and manage biological invasions has led to an upsurge in frameworks describing the mechanisms underpinning the invasion process and the ecological and socio-economic impacts of invading taxa. This paper assesses

  • Applying the Convention on Biological Diversity Pathway Classification to alien species in Europe
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Jan Pergl; Giuseppe Brundu; Colin A. Harrower; Ana C. Cardoso; Piero Genovesi; Stelios Katsanevakis; Vanessa Lozano; Irena Perglová; Wolfgang Rabitsch; Gareth Richards; Alain Roques; Stephanie L. Rorke; Ricardo Scalera; Karsten Schönrogge; Alan Stewart; Elena Tricarico; Konstatinos Tsiamis; Andrea Vannini; Montserrat Vilà; Argyro Zenetos; Helen E. Roy

    The number of alien species arriving within new regions has increased at unprecedented rates. Managing the pathways through which alien species arrive and spread is important to reduce the threat of biological invasions. Harmonising information on pathways across individual sectors and user groups is therefore critical to underpin policy and action. The European Alien Species Information Network (EASIN)

  • Harmonising the fields of invasion science and forest pathology
    NeoBiota (IF 2.643) Pub Date : 2020-10-15
    Trudy Paap; Michael J. Wingfield; Treena I. Burgess; Joseph M. Hulbert; Alberto Santini

    Invasive alien species are widely recognised as significant drivers of global environmental change, with far reaching ecological and socio-economic impacts. The trend of continuous increases in first records, with no apparent sign of saturation, is consistent across all taxonomic groups. However, taxonomic biases exist in the extent to which invasion processes have been studied. Invasive forest pathogens

  • Global guidelines for the sustainable use of non-native trees to prevent tree invasions and mitigate their negative impacts
    NeoBiota (IF 2.643) Pub Date : 2020-10-08
    Giuseppe Brundu; Aníbal Pauchard; Petr Pyšek; Jan Pergl; Anja M. Bindewald; Antonio Brunori; Susan Canavan; Thomas Campagnaro; Laura Celesti-Grapow; Michele de Sá Dechoum; Jean-Marc Dufour-Dror; Franz Essl; S. Luke Flory; Piero Genovesi; Francesco Guarino; Liu Guangzhe; Philip E. Hulme; Heinke Jäger; Christopher J. Kettle; Frank Krumm; Barbara Langdon; Katharina Lapin; Vanessa Lozano; Johannes J. Le

    Sustainably managed non-native trees deliver economic and societal benefits with limited risk of spread to adjoining areas. However, some plantations have launched invasions that cause substantial damage to biodiversity and ecosystem services, while others pose substantial threats of causing such impacts. The challenge is to maximise the benefits of non-native trees, while minimising negative impacts

  • Non-native plants exert strong but under-studied influence on fire dynamics
    NeoBiota (IF 2.643) Pub Date : 2020-10-08
    Clare E. Aslan; Brett G. Dickson

    Altered fire regimes are among the most destructive consequences of anthropogenic environmental change. Fires have increased in frequency in some regions, and invasion by fire-adapted non-native species has been identified as a major driver of this change, which results in a feedback cycle promoting further spread by the non-native species and diminishing occurrence of natives. We notice, however,

  • Marine hitchhikers: a preliminary study on invertebrates unintentionally transported via the international pet trade
    NeoBiota (IF 2.643) Pub Date : 2020-10-08
    Jiří Patoka; Romanus E. Prabowo; Miloslav Petrtýl; Julian D. Reynolds; Pavlína Kuříková; Brigitta P. D. Zámečníková-Wanma; Lukáš Kalous

    The pet trade in aquatic organisms is a significant source of non-indigenous species introductions. In comparison with ornamental animals, unintentionally transported invertebrate assemblages are easily overlooked by traders and keepers. Moreover, hitchhiking species detection and identification is difficult even for experts. The densities of “hitchhikers” in aquaria may be relatively higher than those

  • Eat and be eaten: trophic interactions of the introduced frog Scinax quinquefasciatus in anthropogenic environments in Galápagos
    NeoBiota (IF 2.643) Pub Date : 2020-10-08
    M. Mar Moretta-Urdiales; Raffael Ernst; José Pontón-Cevallos; Rafael Bermúdez; Heinke Jäger

    While the Galápagos Archipelago is known for its endemic flora and fauna, many introduced species have also become naturalised there, especially on the human-inhabited islands. The only amphibian species known to have established on the islands, the Fowler’s snouted treefrog (Scinax quinquefasciatus), is thought to have arrived about two decades ago. Since then, this treefrog has substantially extended

  • Laundry washing increases dispersal efficiency of cloth-dispersed propagules
    NeoBiota (IF 2.643) Pub Date : 2020-10-02
    Orsolya Valkó; Katalin Lukács; Balázs Deák; Réka Kiss; Tamás Miglécz; Katalin Tóth; Ágnes Tóth; Laura Godó; Szilvia Radócz; Judit Sonkoly; András Kelemen; Bela Tóthmérész

    Due to increased human mobility, cloth-dispersed propagules can be transported over long distances, which would not have been bridged otherwise. We studied a potentially important component of human-mediated seed dispersal by assessing the effects of laundry washing on the dispersed propagules. We studied the germination of 18 species, which have morphological adaptations for epizoochory and are commonly

  • Estimating the benefit of quarantine: eradicating invasive cane toads from islands
    NeoBiota (IF 2.643) Pub Date : 2020-10-01
    Adam S. Smart; Reid Tingley; Ben L. Phillips

    Islands are increasingly used to protect endangered populations from the negative impacts of invasive species. Quarantine efforts on islands are likely to be undervalued in circumstances in which a failure incurs non-economic costs. One approach to ascribe monetary value to such efforts is by modeling the expense of restoring a system to its former state. Using field-based removal experiments on two

  • A bobber’s perspective on angler-driven vectors of invasive species transmission
    NeoBiota (IF 2.643) Pub Date : 2020-09-02
    Rachel M. Fricke; Spencer A. Wood; Dustin R. Martin; Julian D. Olden

    Prevention of aquatic invasive species is a fundamental management challenge. With hundreds of millions of people participating in fishing trips each year, understanding angler movements that transmit invasive species can provide critical insight into the most effective locations and scales at which to apply preventative measures. Recent evidence suggests that mobile technologies provide new opportunities

  • Germination of the invasive legume Lupinus polyphyllus depends on cutting date and seed morphology
    NeoBiota (IF 2.643) Pub Date : 2020-08-25
    Yves P. Klinger; Rolf Lutz Eckstein; David Horlemann; Annette Otte; Kristin Ludewig

    In semi-natural grasslands, mowing leads to the dispersal of species that have viable seeds at the right time. For invasive plant species in grasslands, dispersal by mowing should be avoided, and information on the effect of cutting date on the germination of invasive species is needed. We investigated the germination of seeds of the invasive legume Lupinus polyphyllus Lindl. depending on the cutting

  • Into the great wide open: do alien plants spread from rivers to dry savanna in the Kruger National Park?
    NeoBiota (IF 2.643) Pub Date : 2020-08-18
    Petr Pyšek; Martin Hejda; Jan Čuda; Guin Zambatis; Klára Pyšková; Sandra MacFadyen; David Storch; Robert Tropek; Llewellyn C. Foxcroft

    Protected areas play an important role as refuges from invasive species impacts on biodiversity. Within the MOSAIK (Monitoring Savanna Biodiversity in the Kruger National Park) project, plant species were recorded in a representative set of 60 plots, 50 × 50 m in size, across the entire KNP, distributed so as to cover a range of savanna habitats, i.e. perennial rivers, seasonal rivers and dry crests

  • Australia’s wish list of exotic pets: biosecurity and conservation implications of desired alien and illegal pet species
    NeoBiota (IF 2.643) Pub Date : 2020-08-18
    Adam Toomes; Oliver C. Stringham; Lewis Mitchell; Joshua V. Ross; Phillip Cassey

    Globalisation of the live pet trade facilitates major pathways for the transport and introduction of invasive alien species across longer distances and at higher frequencies than previously possible. Moreover, the unsustainable trade of species is a major driver for the over-exploitation of wild populations. Australia minimises the biosecurity and conservation risk of the international pet trade by

  • Multi-taxa inventory of naturalized species in Chile
    NeoBiota (IF 2.643) Pub Date : 2020-08-12
    Nicol Fuentes; Alicia Marticorena; Alfredo Saldaña; Viviane Jerez; Juan Carlos Ortiz; Pedro Victoriano; Rodrigo A. Moreno; Juan Larraín; Cristobal Villaseñor-Parada; Götz Palfner; Paulina Sánchez; Aníbal Pauchard

    Here we present a multi-taxa inventory of naturalized alien species recorded on continental Chile and adjacent marine habitats, including eight taxonomic groups. We identified 1,122 species. These comprise 790 vascular plants (terrestrial and aquatic); 31 nonvascular plants [Bryophyta (mosses), Marchantiophyta (liverworts) and Anthocerotophyta (hornworts)]; 18 marine and freshwater macro and micro

  • Please don’t mow the Japanese knotweed!
    NeoBiota (IF 2.643) Pub Date : 2020-08-12
    Daniel Jones; Mike S. Fowler; Sophie Hocking; Daniel Eastwood

    Letter To The Editor

  • Assessing the potential impacts of non-native small mammals in the South African pet trade
    NeoBiota (IF 2.643) Pub Date : 2020-08-12
    Ndivhuwo Shivambu; Tinyiko C. Shivambu; Colleen T. Downs

    The pet trade is one of the most important pathways by which small mammals are introduced to non-native areas. To prevent the introduction and invasion of non-native pets, an impact assessment protocol is useful in understanding which pets might have potential negative impacts should they escape or be released from captivity. In this study, we used the Generic Impact Scoring System (GISS) to assess

  • CONTAIN: Optimising the long-term management of invasive alien species using adaptive management
    NeoBiota (IF 2.643) Pub Date : 2020-08-05
    Xavier Lambin; David Burslem; Paul Caplat; Thomas Cornulier; Gabriella Damasceno; Laura Fasola; Alessandra Fidelis; Pablo García-Díaz; Bárbara Langdon; Eirini Linardaki; Lia Montti; Jaime Moyano; Martín A. Nuñez; Stephen C.F. Palmer; Aníbal Pauchard; Euan Phimister; José Cristóbal Pizarro; Priscila Powell; Eduardo Raffo; Ignacio A. Rodriguez-Jorquera; Ignacio Roesler; Jorge A. Tomasevic; Justin M.J

    Invasive Alien Species (IAS) threaten biodiversity, ecosystem functions and services, modify landscapes and impose costs to national economies. Management efforts are underway globally to reduce these impacts, but little attention has been paid to optimising the use of the scarce available resources when IAS are impossible to eradicate, and therefore population reduction and containment of their advance

  • Effects of a recalcitrant understory fern layer in an enclosed tropical restoration experiment
    NeoBiota (IF 2.643) Pub Date : 2020-07-30
    Luis C. Beltrán; Karla María Aguilar-Dorantes; Henry F. Howe

    Establishing mixed-species tree plantings and fencing them to protect seedlings from herbivory is a valuable strategy for reconnecting forest fragments separated by agropastoral lands. However, fencing may provide exotic plants with the escape from herbivory required to invade the understory of planted communities. Here we take advantage of such a situation to ask how the identity of planted species

  • Xylella fastidiosa invasion of new countries in Europe, the Middle East and North Africa: Ranking the potential exposure scenarios
    NeoBiota (IF 2.643) Pub Date : 2020-07-30
    Michel Frem; Daniel Chapman; Vincenzo Fucilli; Elia Choueiri; Maroun El Moujabber; Pierfederico La Notte; Franco Nigro

    After the recent high-impact European outbreaks of Xylella fastidiosa (Xf), a xylem-limited plant pathogenic bacterium native to the Americas, this research aims to rank the risks of potential entry, establishment and spread of Xf in new countries across Europe, the Middle East and North Africa. A novel risk-ranking technique is developed, based on combining entry risk drivers (imported plants, direct

  • Origin of climatic data can determine the transferability of species distribution models
    NeoBiota (IF 2.643) Pub Date : 2020-07-28
    Arunava Datta; Oliver Schweiger; Ingolf Kühn

    Methodological research on species distribution modelling (SDM) has so far largely focused on the choice of appropriate modelling algorithms and variable selection approaches, but the consequences of choosing amongst different sources of environmental data has scarcely been investigated. Bioclimatic variables are commonly used as predictors in SDMs. Currently, several online databases offer the same

  • A workflow for standardising and integrating alien species distribution data
    NeoBiota (IF 2.643) Pub Date : 2020-07-28
    Hanno Seebens; David A. Clarke; Quentin Groom; John R. U. Wilson; Emili García-Berthou; Ingolf Kühn; Mariona Roigé; Shyama Pagad; Franz Essl; Joana Vicente; Marten Winter; Melodie McGeoch

    Biodiversity data are being collected at unprecedented rates. Such data often have significant value for purposes beyond the initial reason for which they were collected, particularly when they are combined and collated with other data sources. In the field of invasion ecology, however, integrating data represents a major challenge due to the notorious lack of standardisation of terminologies and categorisations

  • Pet or pest? Stable isotope methods for determining the provenance of an invasive alien species
    NeoBiota (IF 2.643) Pub Date : 2020-07-28
    Katherine G. W. Hill; Kristine E. Nielson; Jonathan J. Tyler; Francesca A. McInerney; Zoe A. Doubleday; Greta J. Frankham; Rebecca N. Johnson; Bronwyn M. Gillanders; Steven Delean; Phillip Cassey

    The illegal pet trade facilitates the global dispersal of invasive alien species (IAS), providing opportunities for new pests to establish in novel recipient environments. Despite the increasing threat of IAS to the environment and economy, biosecurity efforts often lack suitable, scientifically-based methods to make effective management decisions, such as identifying an established IAS population

  • Predicting the invasion range for a highly polyphagous and widespread forest herbivore
    NeoBiota (IF 2.643) Pub Date : 2020-07-28
    Laura M. Blackburn; Joseph S. Elkinton; Nathan P. Havill; Hannah J. Broadley; Jeremy C. Andersen; Andrew M. Liebhold

    Here we compare the environmental niche of a highly polyphagous forest Lepidoptera species, the winter moth (Operophtera brumata), in its native and invaded range. During the last 90 years, this European tree folivore has invaded North America in at least three regions and exhibited eruptive population behavior in both its native and invaded range. Despite its importance as both a forest and agricultural

  • The potential current distribution of the coypu (Myocastor coypus) in Europe and climate change induced shifts in the near future
    NeoBiota (IF 2.643) Pub Date : 2020-07-17
    Anna Schertler; Wolfgang Rabitsch; Dietmar Moser; Johannes Wessely; Franz Essl

    The coypu (Myocastor coypus) is a semi-aquatic rodent native to South America which has become invasive in Europe and other parts of the world. Although recently listed as species of European Union concern in the EU Invasive Alien Species Regulation, an analysis of the current European occurrence and of its potential current and future distribution was missing yet. We collected 24,232 coypu records

  • Pathologists and entomologists must join forces against forest pest and pathogen invasions
    NeoBiota (IF 2.643) Pub Date : 2020-07-10
    Hervé Jactel; Marie-Laure Desprez-Loustau; Andrea Battisti; Eckehard Brockerhoff; Alberto Santini; Jan Stenlid; Christer Björkman; Manuela Branco; Katharina Dehnen-Schmutz; Jacob C. Douma; Jassy Drakulic; Fryni Drizou; René Eschen; José Carlos Franco; Martin M. Gossner; Samantha Green; Marc Kenis; Maartje J. Klapwijk; Andrew M. Liebhold; Christophe Orazio; Simone Prospero; Christelle Robinet; Martin

    The world’s forests have never been more threatened by invasions of exotic pests and pathogens, whose causes and impacts are reinforced by global change. However, forest entomologists and pathologists have, for too long, worked independently, used different concepts and proposed specific management methods without recognising parallels and synergies between their respective fields. Instead, we advocate

  • Assessing the probability of freedom from pine wood nematode based on 19 years of surveys
    NeoBiota (IF 2.643) Pub Date : 2020-07-08
    Salla Hannunen; Juha Tuomola

    Many quarantine pests, such as the pine wood nematode (PWN, Bursaphelenchus xylophilus), are surveyed annually in all EU countries. Although a lot of resources are spent in the surveys, the confidence in pest freedom achieved with them is not commonly analysed. We assessed the probability that Finland is free from PWN, based on the surveys done in 2000–2018. We used the methods employed in the risk-based

  • Trait–environment relationships of plant species at different stages of the introduction process
    NeoBiota (IF 2.643) Pub Date : 2020-07-01
    Marija Milanović; Sonja Knapp; Petr Pyšek; Ingolf Kühn

    The success of alien plant species can be attributed to differences in functional traits compared to less successful aliens as well as to native species, and thus their adaptation to environmental conditions. Studies have shown that alien (especially invasive) plant species differ from native species in traits such as specific leaf area (SLA), height, seed size or flowering period, where invasive species

  • Perceptions of alien plants and animals and acceptance of control methods among different societal groups
    NeoBiota (IF 2.643) Pub Date : 2020-07-01
    Raphael Höbart; Stefan Schindler; Franz Essl

    Biological invasions are a widespread phenomenon and cause substantial impacts on the natural environment and human livelihoods. Thus, the European Union (EU) recently adopted Regulation No 1143/2014 to limit the negative impacts of invasive alien species (IAS). For implementing IAS management and policies, public support is highly and increasingly important, especially when it comes to charismatic

  • Simultaneous detection of native and invasive crayfish and Aphanomyces astaci from environmental DNA samples in a wide range of habitats in Central Europe
    NeoBiota (IF 2.643) Pub Date : 2020-06-19
    Johannes C. Rusch; Michaela Mojžišová; David A. Strand; Jitka Svobodová; Trude Vrålstad; Adam Petrusek

    Crayfish of North American origin are amongst the most prominent high-impact invasive invertebrates in European freshwaters. They contribute to the decline of European native crayfish species by spreading the pathogen causing crayfish plague, the oomycete Aphanomyces astaci. In this study we validated the specificity of four quantitative PCR (qPCR) assays, either published or newly developed, usable

  • Spatiotemporal patterns of non-native terrestrial gastropods in the contiguous United States
    NeoBiota (IF 2.643) Pub Date : 2020-06-17
    Nicholas S. Gladstone; Trystan A. Bordeau; Christy Leppanen; Michael L. McKinney

    The contiguous United States (CONUS) harbor a significant non-native species diversity. However, spatiotemporal trends of some groups such as terrestrial gastropods (i.e., land snails and slugs) have not been comprehensively considered, and therefore management has been hindered. Here, our aims were to 1.) compile a dataset of all non-native terrestrial gastropod species with CONUS occurrence records

  • Micro-habitat and season dependent impact of the invasive Impatiens glandulifera on native vegetation
    NeoBiota (IF 2.643) Pub Date : 2020-06-17
    Judith Bieberich; Heike Feldhaar; Marianne Lauerer

    The impact of invasive species is often difficult to assess due to species × ecosystem interactions. Impatiens glandulifera heavily invaded several habitat types in Central Europe but its impact on native plant communities is rated ambiguously. One reason could be that the impact differs between habitat types or even between environmentally heterogeneous patches (micro-habitats) within one habitat

  • First insights into the molecular population structure and origins of the invasive Chinese sleeper, Perccottus glenii, in Europe
    NeoBiota (IF 2.643) Pub Date : 2020-06-01
    Joanna Grabowska; Yuriy Kvach; Tomasz Rewicz; Mihails Pupins; Iuliia Kutsokon; Ihor Dykyy; Laszlo Antal; Grzegorz Zięba; Vytautas Rakauskas; Teodora Trichkova; Andris Čeirāns; Michał Grabowski

    The aim of our study was to provide a first overview of the population genetic structure of the invasive Chinese sleeper, Perccottus glenii, (Actinopterygii: Odontobutidae) in European water bodies. This species originates from inland waters of north-eastern China, northern North Korea and the Russian Far East. The 1172 bp long portion of the cytochrome b gene was sequenced from Chinese sleeper specimens

  • Cryptic diversity and mtDNA phylogeography of the invasive demon shrimp, Dikerogammarus haemobaphes (Eichwald, 1841), in Europe
    NeoBiota (IF 2.643) Pub Date : 2020-05-29
    Anna Maria Jażdżewska; Tomasz Rewicz; Tomasz Mamos; Remi Wattier; Karolina Bącela-Spychalska; Michał Grabowski

    The regions of the Black, Caspian, and Azov seas are known for being both (i) the place of extensive crustacean radiation dated to the times of Paratethys and Sarmatian basins, and (ii) present donors of alien and invasive taxa to many areas worldwide. One amphipod morphospecies, Dikerogammarus haemobaphes, is known both as native to rivers draining to the Black and Caspian seas as well as a successful

  • How dense is dense? Toward a harmonized approach to characterizing reefs of non-native Pacific oysters – with consideration of native mussels
    NeoBiota (IF 2.643) Pub Date : 2020-05-29
    Alexandra Markert

    Pacific oysters Crassostrea (Magallana) gigas have been successfully invading ecosystems worldwide. As an ecosystem engineer, they have the potential to substantially impact on other species and on functional processes of invaded ecosystems. Engineering strength depends on oyster density in space and time. Density has not yet been studied on the extent of reef structural dynamics. This study assessed

  • Invasive alien species add to the uncertain future of protected areas
    NeoBiota (IF 2.643) Pub Date : 2020-05-18
    Desika Moodley; Llewellyn C. Foxcroft; Ana Novoa; Klára Pyšková; Jan Pergl; Petr Pysek

    Establishing and managing protected areas (national parks, nature reserves and other sites of conservation value) represent the most common approach to conserving species and ecosystems, but these areas are vulnerable to global environmental change. Recently, Golden Kroner et al. (2019) suggested protected area downgrading, downsizing, and degazettement (PADDD) as one of the main threats to biodiversity

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