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208 results for “invasive alien species”
Fig. 9 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii
Fig. 9. Scheme of the reciprocal predation between B. bombina and its invasive threat P. glenii registered in the study.
Fig. 5 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii
Fig. 5. Number of left live, predated, and died/ killed P. glenii in all experimental groups in total after the experiment.
Fig. 3 in Reciprocal Predation Between Preserved And Invasive Species: Adult Bombina Bombina Predate Young Whitebaits Of Alien Fish Perccottus Glenii
Fig. 3. Dynamics of number of live, predated, and died/killed P. glenii in different B. bombina model populations (Bb-1, Bb-2, Bb-3, and Bb-4).
Fig. 4 in Native Bugseed Species Corispermum Intermedium Schweigg And Alien Corispermum Pallasii Steven In Coastal Habitats Of Latvia - New Knowledges Of Distribution And Invasions
Fig. 4. Annual pioneer vegetation with Corispermum pallasii on dune habitats in Mērsrags, Latvia (Photo: P. Evarts-Bunders).
Fig. 1 in Native Bugseed Species Corispermum Intermedium Schweigg And Alien Corispermum Pallasii Steven In Coastal Habitats Of Latvia - New Knowledges Of Distribution And Invasions
Fig. 1. Locations of transects in coastal habitats in the whole seashore of Latvia (Explanation of transects numbers see Table 1).
Fig. 3 in Native Bugseed Species Corispermum Intermedium Schweigg And Alien Corispermum Pallasii Steven In Coastal Habitats Of Latvia - New Knowledges Of Distribution And Invasions
Fig. 3. Distribution of Corispermum intermedium Schweigg (left) and C. pallasiii Steven (right) in Latvia (1st row – localities known till 1940; 2nd row – localities known 1940 – 1990; 3rd row - localities known or verified since 1990).
Figure 6 in New records of alien and potentially invasive grass (Poaceae) species for southern Africa
Figure 6. Jarava plumosa global distribution map, with country- or regional-level shading, taken and modified from POWO (2020).
Figure 2 in New records of alien and potentially invasive grass (Poaceae) species for southern Africa
Figure 2. Agrostis capillaris global distribution map, with country- or regional-level shading, taken and modified from POWO (2020).
Figure 5 in New records of alien and potentially invasive grass (Poaceae) species for southern Africa
Figure 5. Jarava plumosa; A, whole plant; B, inflorescence close-up; C, floret. Image A of R.J. Soreng et al. ZA-30 (US), B and C of R.J. Soreng et al. ZA-30 (PRE).
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).
Mandible morphology as a tool to investigate origin, adaptation and stress in invasive alien species. First insights into Callosciurus erythraeus in Europe
<p>When an alien species is introduced in a new area, the number of founding individuals affects the severity of the population bottleneck, hence the new population may be distinctively different, both genetically and phenotypically, from the parent population from which it is derived. In this study we investigated the variation in shape and size of the mandible among and within three populations of the invasive Pallas’s squirrel, a tree squirrel native to SE Asia and introduced in Italy, Belgium and France. Significant differences in both size and shape of the mandible were found among all population pairs, with France being the most distinct. French squirrels showed a larger and slender mandible with a broad angular process, a restricted condyle, and a backward-oriented coronoid process. The Italian and the Belgian population differ at a lesser extent, the Italian squirrels having a lower coronoid process, a broader angular apophysis, and a restricted condyle. s. Size explained 15% of the total shape variation, but the orientation of allometric trajectories did not reveal any significant difference among populations. French squirrels showed the highest fluctuating asymmetry (both size and shape) of the right versus the left mandible, the Italians the highest directional asymmetry. Results are discussed in terms of different selective pressures in the invaded areas related to functionally mastication, and possible factors affecting fluctuating and directional asymmetry. The hypothesis of the classic mandibular two-module organization of rodent mandible (alveolar region vs ascending ramus) was confirmed both before and after correcting for size.</p>
Figure 1 in Leptoglossus occidentalis (Heteroptera: Coreidae) and Harmonia axyridis (Coleoptera: Coccinellidae), two new invasive alien species for insect fauna of Macedonia
Figure 1. The finding sites of Leptoglossus occidentalis Heidemann (triangle) and Harmonia axyridis (Pallas) (point) in Macedonia.
Figure 2 in Leptoglossus occidentalis (Heteroptera: Coreidae) and Harmonia axyridis (Coleoptera: Coccinellidae), two new invasive alien species for insect fauna of Macedonia
Figure 2. The western conifer seed bug, Leptoglossus occidentalis Heidemann found on Pinus nigra at Prilep Lake.
Figure 2. Alien spionid polychaetes from Sukhum Bay, Black Sea. A in First occurrence of the invasive alien species Streblospio gynobranchiata (Rice & Levin, 1998) and Polydora cornuta Bosc, 1802 (Polychaeta: Spionidae) on the coast of Abkhazia (Sukhum Bay, Black Sea)
Figure 2. Alien spionid polychaetes from Sukhum Bay, Black Sea. A – general view of Streblospio gynobranchiata (female, length 6.35 mm), B,C – Polydora cornuta morphology (fifth chaetiger): major spines with tooth (at) and companion chaetae (bc). Scale bars: 10 μm.
Linked collectors and determiners for: NU: KwaZulu-Natal Invasive Alien Species (1821-2011).
Natural history specimen data linked to collectors and determiners held within, "NU: KwaZulu-Natal Invasive Alien Species (1821-2011)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/b79aa9e2-e14b-40df-98d6-10b98a618064">https://bionomia.net/dataset/b79aa9e2-e14b-40df-98d6-10b98a618064</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/b79aa9e2-e14b-40df-98d6-10b98a618064">https://gbif.org/dataset/b79aa9e2-e14b-40df-98d6-10b98a618064</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Invasive Alien plant species of Malawi.
Natural history specimen data linked to collectors and determiners held within, "Invasive Alien plant species of Malawi". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/6183f1f7-0513-4587-bee6-cad11e23002d">https://bionomia.net/dataset/6183f1f7-0513-4587-bee6-cad11e23002d</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/6183f1f7-0513-4587-bee6-cad11e23002d">https://gbif.org/dataset/6183f1f7-0513-4587-bee6-cad11e23002d</a>. Formatted as a Frictionless Data package.
Table S1 - Economic Costs of Protecting Islands from Invasive Alien Species
<p>Dataset analysed in relation to the paper 'Economic Costs of Protecting Islands from Invasive Alien Species' published in Conservation Biology in 2022</p>
Data from: Climate oscillation and alien species invasion influences oceanic seabird distribution
Spatial and temporal distribution of seabird transiting and foraging at sea is an important consideration for marine conservation planning. Using at-sea observations of seabirds (n = 317), collected during the breeding season from 2012 to 2016, we built boosted regression tree (BRT) models to identify relationships between numerically dominant seabird species (red-footed booby, brown noddy, white tern and wedge-tailed shearwater), geomorphology, oceanographic variability, and climate oscillation in the Chagos Archipelago. We documented positive relationships between red-footed booby and wedge-tailed shearwater abundance with the strength in the Indian Ocean Dipole, as represented by the Dipole Mode Index (6.7% and 23.7% contribution respectively). The abundance of red-footed boobies, brown noddies and white terns declined abruptly with greater distance to island (17.6%, 34.1% and 41.1% contribution respectively). We further quantified the effects of proximity to rat-free and rat-invaded islands on seabird distribution at sea, and identify breaking point distribution thresholds. We identified areas of increased abundance at sea and habitat use-age under a scenario where rats are eradicated from invaded nearby islands and recolonised by seabirds. Following rat eradication, abundance at sea of red-footed booby, brown noddy, and white terns increased by 14%, 17% and 3% respectively, with no important increase detected for shearwaters. Our results have implication for seabird conservation and island restoration. Climate oscillations may cause shifts in seabird distribution, possibly through changes in regional productivity and prey distribution. Invasive species eradications and subsequent island recolonization can lead to greater access for seabirds to areas at-sea, due to increased foraging or transiting through, potentially leading to distribution gains and increased competition. Our approach predicting distribution after successful eradications enables anticipatory threat-mitigation in these areas, minimising competition between colonies and thereby maximising the risk of success and the conservation impact of eradication programmes.
Data from: Plant-soil feedback contributes to predicting plant invasiveness of 68 alien plant species differing in invasive status
<p>Understanding what species characteristics allow some alien plants to become invasive while others fail is critical to our understanding of community assembly processes. While many characteristics have been shown to predict plant invasiveness, the importance of plant-soil feedback (PSF) in invasions has been difficult to assess since individual studies include only a few species and use disparate methodology. We studied PSF of 68 invasive and non-invasive alien species in a single two-phase common garden experiment, and compared the relative importance of PSF, residence time, phylogenetic novelty and plant traits for plant invasiveness. Additionally, we explored relationships between PSF, residence time and phylogenetic novelty. PSF for seedling establishment, but not for biomass, was a significant predictor of invasive status, with invasive species having more positive PSF than non-invasive species. Its explanatory power was, however, much lower than that of specific leaf area, height, and residence time. Phylogenetically novel species experienced less negative PSF than species with native congeners, suggesting they benefit more from enemy release. PSF of non-invasive species, contrary to that of invasive species, was becoming more negative with increasing residence time. We demonstrated that PSF for seedling establishment plays a role in predicting plant invasiveness and is a better predictor than more commonly studied PSF for plant biomass. Other species traits, such as specific leaf area, however, predict plant invasiveness much better than the PSF.</p>
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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.