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454 results for “Alien species”
Data from: A global meta-analysis of the ecological impacts of alien species on native amphibians
The exponential increase in species introductions during the Anthropocene has brought about a major loss of biodiversity. Amphibians have suffered large declines, with more than 16% considered to be threatened by invasive species. We conducted a global meta-analysis of the impacts of alien species on native amphibians to determine which aspects of amphibian ecology are most affected by plant, invertebrate, fish, amphibian, reptile or mammal introductions. Measures of fitness were most strongly affected; amphibian performance was consistently lower in the presence of alien species. While exposure to alien species caused a significant decrease in amphibian behavioural activity when compared to a no species control, this response was stronger towards a control of native impacting species. This indicates a high degree of prey naïveté towards alien species and highlights the importance of using different types of controls in empirical studies. Alien invertebrates had the greatest overall impact on amphibians. This study sets a new agenda for research on biological invasions, highlighting the lack of studies investigating impacts of alien species on amphibian terrestrial life-history stages. It also emphasises the strong ecological impacts that alien species have on amphibian fitness and suggests that future introductions or global spread of alien invertebrates could strongly exacerbate current amphibian declines.
Data from: Introgression of chromosome segments from multiple alien species in wheat breeding lines with wheat streak mosaic virus resistance
Pyramiding of alien-derived Wheat streak mosaic virus (WSMV) resistance and resistance enhancing genes in wheat is a cost-effective and environmentally safe strategy for disease control. PCR-based markers and cytogenetic analysis with genomic in situ hybridisation were applied to identify alien chromatin in four genetically diverse populations of wheat (Triticum aestivum) lines incorporating chromosome segments from Thinopyrum intermedium and Secale cereale (rye). Out of 20 experimental lines, 10 carried Th. intermedium chromatin as T4DL*4Ai#2S translocations, while, unexpectedly, 7 lines were positive for alien chromatin (Th. intermedium or rye) on chromosome 1B. The newly described rye 1RS chromatin, transmitted from early in the pedigree, was associated with enhanced WSMV resistance. Under field conditions, the 1RS chromatin alone showed some resistance, while together with the Th. intermedium 4Ai#2S offered superior resistance to that demonstrated by the known resistant cultivar Mace. Most alien wheat lines carry whole chromosome arms, and it is notable that these lines showed intra-arm recombination within the 1BS arm. The translocation breakpoints between 1BS and alien chromatin fell in three categories: (i) at or near to the centromere, (ii) intercalary between markers UL-Thin5 and Xgwm1130 and (iii) towards the telomere between Xgwm0911 and Xbarc194. Labelled genomic Th. intermedium DNA hybridised to the rye 1RS chromatin under high stringency conditions, indicating the presence of shared tandem repeats among the cereals. The novel small alien fragments may explain the difficulty in developing well-adapted lines carrying Wsm1 despite improved tolerance to the virus. The results will facilitate directed chromosome engineering producing agronomically desirable WSMV-resistant germplasm.
Data from: Commonness and rarity of alien and native plant species – the relative roles of intraspecific competition and plant–soil feedback
The success of invasive alien and common native species may be explained by the same underlying mechanisms. Differences in intraspecific competition as well as differences in plant–soil feedback have been put forward as potential determinants of plant success. We teased apart the relative roles of competition and plant–soil feedback in a greenhouse experiment with 30 common and rare alien and native species from nine plant families. We tested whether plant biomass decreased less for common than rare species, regardless of origin, when grown at higher relative frequencies (1, 3 or 6 out of 9 plants per pot) in a community and in soil previously conditioned by the same species at different frequencies (0, 1, 3 or 6 out of 9 plants per pot) in an orthogonal design for these two factors. Plant survival decreased slightly, but non-significantly, for all species when grown in soil previously occupied by conspecifics. Among surviving plants, we found a decrease in biomass with increasing intraspecific competition across all species (regardless of origin or commonness), and alien species were more negatively affected by previous high plant frequency than native species, but only marginally significantly so. Our findings suggest that, while intraspecific competition limits individual biomass in a density-dependent manner, these effects do not depend on species origin or commonness. Notably, alien species but not natives showed a decrease in performance when grown in soil pre-conditioned with a higher frequency of conspecifics. In conclusion, soil-borne pathogen accumulation might be weak in its effects on plant performance compared to intraspecific competition, with neither being clearly linked to species commonness.
FIGURE 2. Biflustra perambulata n in Biflustra perambulata n. sp. (Cheilostomata: Bryozoa), a new alien species from Cochin Harbour, Kerala, India
FIGURE 2. Biflustra perambulata n. sp., showing the white and foliaceous nature of the colony.
FIGURE 2 in Recent discoveries of alien Watersipora (Bryozoa) in Western Europe, with redescriptions of species
FIGURE 2. Measurements used for Watersipora morphometric analysis (see text).
Supplementary material 2 from: Mayer K, Heger T, Kühn I, Nehring S, Gaertner M (2023) Germany's first Action plan on the pathways of invasive alien species to prevent their unintentional introduction and spread. NeoBiota 89: 209-227. https://doi.org/10.3897/neobiota.89.106323
List of some countries or regions that have already implemented action plans or similar documents
Supplementary material 1 from: Mayer K, Heger T, Kühn I, Nehring S, Gaertner M (2023) Germany's first Action plan on the pathways of invasive alien species to prevent their unintentional introduction and spread. NeoBiota 89: 209-227. https://doi.org/10.3897/neobiota.89.106323
19 sectors identified and assigned to the 14 prioritised pathways
IPBES Invasive Alien Species Assessment: Chapter 6. Figures, tables and captions
<p>Figures, tables and caption from Chapter 6: Governance and policy options for the prevention and control of biological invasions. In: Thematic Assessment Report on Invasive Alien Species and their Control of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.</p>
Supplementary material 7 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S7
Supplementary material 6 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S6
Supplementary material 4 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S4
Supplementary material 5 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S5
Supplementary material 8 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S8
Supplementary material 2 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S2
Supplementary material 3 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S3
Supplementary material 1 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Table S1
Supplementary material 9 from: Frem M, Fucilli V, Nigro F, El Moujabber M, Abou Kubaa R, La Notte P, Bozzo F, Choueiri E (2021) The potential direct economic impact and private management costs of an invasive alien species: Xylella fastidiosa on Lebanese wine grapes. NeoBiota 70: 43-67. https://doi.org/10.3897/neobiota.70.72280
Field survey questionnaire
Supplementary material 1 from: Muñoz-Mas R, Carrete M, Castro-Díez P, Delibes-Mateos M, Jaques JA, López-Darias M, Nogales M, Pino J, Traveset A, Turon X, Vilà M, García-Berthou E (2021) Management of invasive alien species in Spain: a bibliometric review. NeoBiota 70: 123-150. https://doi.org/10.3897/neobiota.70.68202
Complete reference list and the features used to characterise the references
Supplementary material 1 from: Cerri J, Carnevali L, Monaco A, Genovesi P, Bertolino S (2022) Blacklists do not necessarily make people curious about invasive alien species. A case study with Bayesian structural time series and Wikipedia searches about invasive mammals in Italy. NeoBiota 71: 113-128. https://doi.org/10.3897/neobiota.71.69422
Supplementary information
Supplementary material 2 from: Kenis M, Agboyi LK, Adu-Acheampong R, Ansong M, Arthur S, Attipoe PT, Baba A-SM, Beseh P, Clottey VA, Combey R, Dzomeku I, Eddy-Doh MA, Fening KO, Frimpong-Anin K, Hevi W, Lekete-Lawson E, Nboyine JA, Ohene-Mensah G, Oppong-Mensah B, Nuamah HSA, van der Puije G, Mulema J (2022) Horizon scanning for prioritising invasive alien species with potential to threaten agriculture and biodiversity in Ghana. NeoBiota 71: 129-148. https://doi.org/10.3897/neobiota.71.72577
Risk scores for potential invasive alien plant pests in Ghana
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.