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206 results for “invasive potential”
Figure 4 in New records of alien and potentially invasive grass (Poaceae) species for southern Africa
Figure 4. Festuca rubra global distribution map, with country- or regional-level shading, taken and modified from POWO (2020).
Figure 3 in New records of alien and potentially invasive grass (Poaceae) species for southern Africa
Figure 3. Festuca rubra; A, whole plant; B, lateral-tending rhizome covered in cataphylls; C, leaf sheath and junction with blade of a tiller showing strigose hairs; D, spikelet; E, base of palea with lemma removed to reveal the ovary and stamens; F, close-up of glabrous ovary apex. Images A and B of S.P. Sylvester et al. 3455 (US), C–F of S.P. Sylvester et al. 3455 (PRE).
Fig. 2 in Brazilian collections and laboratory biology of the thrips Pseudophilothrips ichini (Thysanoptera: Phlaeothripidae): a potential biological control agent of the invasive weed Brazilian peppertree (Sapindales: Anacardiaceae)
Fig. 2. Life history stages of the thrips Pseudophilothrips ichini reared on leaves of Schinus terebinthifolia in quarantine at the United States Department of Agriculture, Agricultural Research Service, Invasive Plant Research Laboratory (horizontal bars = 0.5 mm).
Fig. 1 in Brazilian collections and laboratory biology of the thrips Pseudophilothrips ichini (Thysanoptera: Phlaeothripidae): a potential biological control agent of the invasive weed Brazilian peppertree (Sapindales: Anacardiaceae)
Fig. 1. Map showing the distribution of the host Brazilian peppertree, Schinus terebinthifolia, in its native range (black dots) and the thrips Pseudophilothrips ichini (red dots). Thrips introduced to quarantine for life history studies were collected from a population near Ouro Preto, Minas Gerais, Brazil.
Fig. 1 in Potential Global Range Expansion Of A New Invasive Species, The Erythrina Gall Wasp, Quadrastichus Erythrinae Kim (Insecta: Hymenoptera: Eulophidae)
Fig. 1. Potential global range of erythrina gall wasp. The gray shadow indicates the potential expanding range, and the white blank areas indicate where infestation is unlikely.
Fig. 2 in Evaluation of abamectin as a potential chemical control for the lychee erinose mite (Acari: Eriophyidae), a new invasive pest in Florida
Fig. 2. Proportion of lychee plants that did not develop erinea on the new flush afer being sprayed with the treatment that was previously applied to the received leaflet. Lychee plants were sprayed with abamectin (red, N = 7), organosilicone surfactant (black, N = 9), combination of abamectin and organosilicone surfactant (grey, N = 8), water (blue, N = 10) or non-sprayed (green, N = 10). Shown are average proportions of lychee plants through time.
Fig. 1 in Evaluation of abamectin as a potential chemical control for the lychee erinose mite (Acari: Eriophyidae), a new invasive pest in Florida
Fig. 1. Proportion of lychee plants that did not develop erinea afer Aceria litchii infested leaflets were placed on them. Leaflets were sprayed with abamectin (red), organosilicone surfactant (black), a combination of abamectin and organosilicone surfactant (grey), water (blue), or non-sprayed (green). Shown are average proportions of lychee plants through time. N = 10 for each treatment.
Figure 1 Aceria alhagi n in A new Aceria species (Acari:Trombidiformes: Eriophyoidea) from West Asia, a potential biological control agent for the invasive weed camelthorn, Alhagi maurorum Medik. (Leguminosae)
Figure 1 Aceria alhagi n.sp.: AD – Antero-dorsal mite; AL – Antero-lateral view of mite; CG – Coxigenital region of female; em – Empodium; GM – Genital region of male; IG – Internal female genitalia; L1 – Leg I of female; LO – Lateral opisthosoma; PM – Postero-lateral mite. Scale bar: 20μm for AD, AL,CG, GM, IG, LO, PM; 10μm for L1; 5μm for em.
Figure 2 SEM images ofAceria alhagi n in A new Aceria species (Acari:Trombidiformes: Eriophyoidea) from West Asia, a potential biological control agent for the invasive weed camelthorn, Alhagi maurorum Medik. (Leguminosae)
Figure 2 SEM images ofAceria alhagi n. sp.: A – prodorsal shield; B – tarsal empodia on legs I and II; C – ventral view of coxigenital area of female; D – ventral view of coxigenital area of male.
Cultivated alien plants with high invasion potential are more likely to be traded online in China
<p>Biological invasions have become a worldwide problem, and measures to efficiently prevent and control invasions are still being developed. Like many other parts of the world, China is undergoing a dramatic increase in plant invasions. Most of the currently 933 established (i.e., naturalized) plant species, of which 214 are categorized as invasive, have been introduced into China for cultivation. It is likely that many of those species are still being traded, particularly online, by plant nurseries. However, studies assessing whether naturalized and invasive species are currently being traded more or less than non-naturalized aliens are rare. We extracted online-trade information for 13,718 cultivated alien plant taxa on 1688.com, the largest website for domestic B2B in China. We analyzed how the presence in online-nursery catalogues, the number of online nurseries that offer the species for sale, and the product type (i.e., seeds, live plants and vegetative organs) differed among non-naturalized, naturalized non-invasive and invasive species. Compared to non-naturalized taxa, naturalized non-invasive and invasive taxa were 3.7 to 5.2 times more likely available for sale. Naturalized non-invasive and invasive taxa were more frequently offered as seeds by online nurseries, whereas non-naturalized taxa were more frequently offered as live plants. Based on these findings, we propose that, to reduce the further spread of invasive and potentially invasive plants, implementation of plant-trade regulations and a monitoring system of the online horticultural supply chain will be essential.</p>
Differences in dogs’ event related potentials in response to human and dog vocal stimuli: A non-invasive study
Open the record for dataset details and reuse information.
Potential local adaptation in populations of invasive reed canary grass (Phalaris arundinacea) across an urbanization gradient
Open the record for dataset details and reuse information.
Data from: Distribution, population dynamics and potential impacts of the invasive snail, Tarebia granifera in aquatic ecosystems of north-eastern South Africa
<p>Aquatic ecosystems globally have been invaded by molluscs. <em>Tarebia granifera</em> is a highly successful invader, often becoming the dominant aquatic invertebrate species in an invaded ecosystem. Resultingly, it has been suggested that <em>T. granifera</em> may have severe negative impacts on these invaded ecosystems. Limited information is available regarding the population structures and densities of <em>T. granifera</em>, particularly in invaded countries such as South Africa, and information on this could assist in developing management and control strategies for this invasive species. The aim of the present study was to assess the current distribution, densities, and population structures of <em>T. granifera</em> in invaded habitats on the Limpopo and Phongolo River systems, South Africa. This was accomplished by collecting aquatic benthic molluscs from sites across these systems. Water quality parameters were measured at each site and water samples collected for chemical nutrient analyses. The density of snails was determined for each site and the population size and structure as well as birth rate was calculated for <em>T. granifera. </em><em>Tarebia granifera</em> was found to be the dominant molluscan species in habitats where it was present and all size classes from new-born to mature adults were found throughout at some of the highest densities globally. Worryingly, native molluscan species, were often absent or in much lower densities than reported in literature at sites where <em>T. granifera</em> was present, suggesting a negative effect on the native molluscan density and diversity. Contrary to most previous studies, there were no significant correlations between <em>T. granifera </em>and the selected water quality parameters. Higher densities and new-born recruitment of <em>T. granifera </em>were observed in the spring than autumn, likely in response to shifts in environmental conditions. This study provides crucial insights into the population structure and dynamics of <em>T. granifera</em> in invaded habitats, particularly for relatively newly invaded regions such as southern Africa.</p>
Figure 3 in Aculus taihangensis (Acari: Prostigmata: Eriophyidae), a potential biological control agent identified from the highly invasive pest plant, tree of heaven, in Türkiye
Figure 3. Aculus taihangensis – Deutogyne: A. Coxigenital region, B. Internal genitalia.
Raw Data for the article: Potential Anti-Metastatic Role of the Novel miR-CT3 in Tumor Angiogenesis and Osteosarcoma Invasion
<p>Osteosarcoma (OS) is the most common primary bone tumor mainly occurring in young adults and derived from primitive bone-forming mesenchyme. OS develops in an intricate tumor microenvironment (TME) where cellular function regulated by microRNAs (miRNAs) may affect communication between OS cells and the surrounding TME. Therefore, miRNAs are considered potential therapeutic targets in cancer and one of the goals of research is to accurately define a specific signature of a miRNAs, which could reflect the phenotype of a particular tumor, such as OS. Through NGS approach, we previously found a specific molecular profile of miRNAs in OS and discovered 8 novel miRNAs. Among these, we deepen our knowledge on the fifth candidate renamed now miR-CT3. MiR-CT3 expression was low in OS cells when compared with human primary osteoblasts and healthy bone. Through TargetScan, VEGF-A was predicted as a potential biological target of miR-CT3 and luciferase assay confirmed it. We showed that enforced expression of miR-CT3 in two OS cell lines, SAOS-2 and MG-63, reduced expression of VEGF-A mRNA and protein, inhibiting tumor angiogenesis. Enforced expression of miR-CT3 also reduced OS cell migration and invasion as confirmed by soft agar colony formation assay. Interestingly, we found that miR-CT3 behaves inducing the activation of p38 MAP kinase pathway and modulating the epithelial-mesenchymal transition (EMT) proteins, in particular reducing Vimentin expression. Overall, our study highlights the novel role of miR-CT3 in regulating tumor angiogenesis and progression in OS cells, linking also to the modulation of EMT proteins.</p>
Stay in shape: assessing the adaptive potential of shell morphology and its sensitivity to temperature in the invasive New Zealand Mud Snail Potamopyrgus antipodarum through phenotypic plasticity and natural selection in Europe
<p>Climate change may force organisms to adapt genetically or plastically to new environmental conditions. Invasive species show a remarkable potential for rapid adaptation. The ovoviviparous New Zealand mud snail (NZMS), <em>Potamopyrgus antipodarum</em>, has successfully established across Europe with two clonally reproducing mitochondrial lineages since its arrival in the first half of the 19th century. Its remarkable variation in shell morphology was shown to be fitness relevant. We investigated the effects of temperature on shell morphology across eleven populations from Germany and the Iberian Peninsula in a common garden across three temperatures. We analysed size and shape using geometric morphometrics. For both, we compared reaction norms and estimated heritabilities. For size, the interaction of temperature and haplotype explained about 50% of the total variance. We also observed more genotype by environment interactions indicating a higher degree of population differentiation than in shape. Across the three temperatures, size followed the expectations of the temperature-size rule, with individuals growing larger in cold environments. Changes in shape may have compensated changes in size affecting space for brooding embryos. Heritability estimates were relatively high. As indicated by the very low coefficients of variation for clonal repeatability (<em>CV<sub>A</sub></em>), they can probably not be compared in absolute terms. However, they showed some sensitivity to temperature, in haplotype t more so than in z, which was only found in Portugal. The low <em>CV<sub>A</sub></em>-values indicate that genetic variation among European populations is still restricted with low potential to react to selection. A considerable fraction of the genetic variation was due to differences between the clonal lineages. The NZMS has apparently not been long enough in Europe to accumulate significant genetic variation relevant for morphological adaptation. As temperature is obviously not the sole factor influencing shell morphology, their interaction will probably not be a factor limiting population persistence under a warming climate in Europe.</p>
Global potential invasion maps of traded birds under climate and land-cover change
<p>Biological invasions rank among the top five threatening factors affecting biodiversity, but ongoing changes in climate and land cover might exacerbate risks. We used species distribution models for 609 traded bird species on the CITES list to examine the combined effects of projected climate change and land-cover change worldwide on the potential range expansion of bird species with commercial value as pets. The maps of potential invasion (may be inferred as the invasion risk) have been provided in the main manuscript and here, the potential invasion dataset for the current and future times is provided including the species distribution maps, all as GeoTiff files. The maps for the future time are provided for different future years and over a range of climate scenarios (SSP245, SSP370, and SSP585).</p>
Fig. 4 in Potential Global Range Expansion Of A New Invasive Species, The Erythrina Gall Wasp, Quadrastichus Erythrinae Kim (Insecta: Hymenoptera: Eulophidae)
Fig. 4. Potential expansion areas of erythrina gall wasp in Hawaii.
Fig. 5 in Potential Global Range Expansion Of A New Invasive Species, The Erythrina Gall Wasp, Quadrastichus Erythrinae Kim (Insecta: Hymenoptera: Eulophidae)
Fig. 5. Potential expansion areas of erythrina gall wasp in Taiwan.
Fig. 2 in Potential Global Range Expansion Of A New Invasive Species, The Erythrina Gall Wasp, Quadrastichus Erythrinae Kim (Insecta: Hymenoptera: Eulophidae)
Fig. 2. Potential expansion areas of erythrina gall wasp in Asia and Australia.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.