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206 results for “invasive potential”
Data from: Niche conservatism and the invasive potential of the wild boar
1.Niche conservatism, i.e. the retention of a species' fundamental niche through evolutionary time, is cornerstone for biological invasion assessments. The fact that species tend to maintain their original climate niche allows predictive maps of invasion risk to anticipate potential invadable areas. Unraveling the mechanisms driving niche shifts can shed light on the management of invasive species. 2.Here, we assessed niche shifts in one of the world's worst invasive species: the wild boar Sus scrofa. We also predicted potential invadable areas based on an ensemble of three ecological niche modeling methods, and evaluated the performance of models calibrated with native vs pooled (native plus invaded) species records. By disentangling the drivers of change on the exotic wild boar population's niches, we found strong evidence for niche conservatism during biological invasion. 3.Ecological niche models calibrated with both native and pooled range records predicted convergent areas. Also, observed niche shifts are mostly explained by niche unfilling, i.e. there are unoccupied areas in the exotic range where climate is analogous to the native range. 4.Niche unfilling is expected as result of recent colonization and ongoing dispersal, and was potentially stronger for the Neotropics, where a recent wave of introductions for pig-farming and game-hunting has led to high wild boar population growth rates. The invasive potential of wild boar in the Neotropics is probably higher than in other regions, which has profound management implications if we are to prevent their invasion into species-rich areas, such as Amazonia, coupled with expansion of African swine fever and possibly great economic losses. 5.Although the originally Eurasian-wide distribution suggests a pre-adaptation to a wide array of climates, the wild boar worldwide invasion does not exhibit evidence of niche evolution. The invasive potential of the wild boar therefore probably lies on the reproductive, dietary and morphological characteristics of this species, coupled with behavioral thermoregulation.
Data from: Colonisation history and genetic diversity: adaptive potential in early stage invasions
The introduction of Anolis cristatellus from the multiple species anole community of Puerto Rico in the Greater Antilles to the island of Dominica in the Lesser Antilles, with its solitary endemic anole, provides an example of a very recent, timed, single introduction. We investigate the geographic origin and adaptive potential of the Dominican population using a range of methods including mtDNA phylogeography, nuclear microsatellite variation and multiple paternity studies, as well as heritability estimates, common garden experiments and comparative geographic studies of quantitative scalation traits. Phylogeographic analysis of NADH2 and microsatellite studies suggests that the Dominican population arose from a set of individuals from the central west area of Puerto Rico within their endemic range. The multiple-individual inoculation, together with sperm storage and evidence of multiple paternity indicate genetic variability and suggest the potential for adaptation by natural selection. Estimates of heritability, common garden experiments and broad sense QST/FST ratios, linked to replicated comparisons along elevational transects go some way to suggesting that the invasive populations may be adapting by natural selection, in parallel with the endemic anole, in the brief period since their introduction.
Data from: Ensemble approach for potential habitat mapping of invasive Prosopis in Turkana, Kenya
Aim: Prosopis spp. are an invasive alien plant species native to the Americas and well adapted to thrive in arid environments. In Kenya, several remote‐sensing studies conclude that the genus is well established throughout the country and is rapidly in‐ vading new areas. This research aims to model the potential habitat of Prosopis spp. by using an ensemble model consisting of four species distribution models. Furthermore, environmental and expert knowledge‐based variables are assessed. Location: Turkana County, Kenya. Methods: We collected and assessed a large number of environmental and expert knowl‐ edge‐based variables through variable correlation, collinearity, and bias tests. The varia‐ bles were used for an ensemble model consisting of four species distribution models: (a) logistic regression, (b) maximum entropy, (c) random forest, and (d) Bayesian networks. The models were evaluated through a block cross‐validation providing statistical measures. Results: The best predictors for Prosopis spp. habitat are distance from water and built‐up areas, soil type, elevation, lithology, and temperature seasonality. All species distribution models achieved high accuracies while the ensemble model achieved the highest scores. Highly and moderately suitable Prosopis spp. habitat covers 6% and 9% of the study area, respectively. Main conclusions: Both ensemble and individual models predict a high risk of continued invasion, confirming local observations and conceptions. Findings are valuable to stake‐ holders for managing invaded area, protecting areas at risk, and to raise awareness.
Supplementary material 3 from: Bernich A, French K, Bedward M (2024) Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests. NeoBiota 90: 79-96. https://doi.org/10.3897/neobiota.90.110659
The dry weight of the individuals used as the initial values to calculate relative growth rates for each species
Supplementary material 2 from: Bernich A, French K, Bedward M (2024) Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests. NeoBiota 90: 79-96. https://doi.org/10.3897/neobiota.90.110659
Difference in mean and 95% bounds, as well as the percentage overlap of mean values reported as a probabilty (Probability higher than LL) for the seven species grown in the study
Supplementary material 1 from: Bernich A, French K, Bedward M (2024) Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests. NeoBiota 90: 79-96. https://doi.org/10.3897/neobiota.90.110659
Difference in mean and 95% bounds, as well as the percentage overlap of mean values reported as a probabilty (Probability higher) between species for the physiological measurements taken
Development of a mass production method for the smut fungus Doassansia niesslii , a potential biological control agent of the invasive weed Butomus umbellatus (IC_MScEA_Final project data)
<p>Data of my MSc final project (MSc Ecological Applications, Imperial College London). Student ID: 02175995.</p>
MRI Dataset: Diffusion MRI as a potential non-invasive biomarker of neuroinflammation following intracerebral haemorrhage
<p>Raw MRI dataset of T2 and NODDI scans.</p> <p>Subjects: Adult male Sprague-Dawley rats, aged 10-12 weeks, 300-450g. Subjected to intracerebral haemorrhage induction by intracranial injection of 0.2 Type VII collagenase, recovered for 7 days prior to these MRI scans being performed. Further methodological information available upon request.</p>
Supplementary material 3 from: Karasawa S, Nakata K (2018) Invasion stages and potential distributions of seven exotic terrestrial isopods in Japan. BioRisk 13: 53-76. https://doi.org/10.3897/biorisk.13.23514
Pearson's correlation coefficients (r) between climatic variables for the global model (Japan, Europe and North America) :
Supplementary material 2 from: Dickey JWE, Cuthbert RN, Rea M, Laverty C, Crane K, South J, Briski E, Chang X, Coughlan NE, MacIsaac HJ, Ricciardi A, Riddell GE, Xu M, Dick JTA (2018) Assessing the relative potential ecological impacts and invasion risks of emerging and future invasive alien species. NeoBiota 40: 1-24. https://doi.org/10.3897/neobiota.40.28519
Table S2. Summary of the GB online survey outlining which of the four species of turtle was being sold :
Salivary Vasopressin as A Potential Non–Invasive Biomarker of Anxiety in Dogs Diagnosed with Separation–Related Problems
<p>Video S1: A dog is showing signs of stress while the owner is out of the arena and the veterinary behaviorist is engaging the dog in friendly interaction, including gently petting her and speaking to her in a calm tone.</p> <p>Video S2: A dog is exhibiting signs of severe distress and anxiety; consequently, the owner is asked to come back, and the test is stopped.</p> <p>Video S3. A dog in the Case group persists in jumping up on the veterinary behaviorist during the post- separation reunion phase.</p>
FIGURE 7 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 7. Flowering branches of Parkinsonia aculeata L. recorded in Egypt. (a) Flowering young branches with numerous inflorescence; (b) The bright yellow flowers with 10 stamens; (c) the flowering habit and axillary raceme inflorescence.
FIGURE 6 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 6. The structure of the leaves of Parkinsonia aculeata L. recorded in Egypt (a) The bi-pinnate leaves with pinnae and pinnules; (b) the reduced petiole and primary rachis and spinescent paired stipules; (c) the secondary rachises with obovate-elliptic leaflets.
FIGURE 5 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 5. The vegetative branches of Parkinsonia aculeata L. recorded in Dakhla Oasis in the Western Desert of Egypt. (a) young stem with alternating bi-pinnate leaves with pinnae and pinnules, (b) the spines at the axil of the pendulous leaves composed of modified petiole and two stipular spines.
FIGURE 3 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 3. Distribution maps of P. aculeata in Egypt; red square are areas of observations of the species in natural habitats, hatched polygon represents the species estimated EOO as of 2023.
FIGURE 1 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 1. (a) Geographical location of the investigated area in Egypt. (b) Location of sites of wild P. aculeata in Elephantine Island, Aswan Governorate and in Dakhla Oasis, New Valley (El Wadi ElGedid) Governorate, Western Desert in Egypt; and location of the botanic gardens where the species is cultivated as ornamental plant.
FIGURE 4 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 4. Habit of Parkinsonia aculeata L. recorded in Egypt (a) in Elephentine Island in 2022 in Aswan, (b) & (c) in Dakhla Oasis in the Western Desert in 2023.
Supplementary material 4 from: Haubrock PJ, Cuthbert RN, Yeo DCJ, Banerjee AK, Liu C, Diagne C, Courchamp F (2021) Biological invasions in Singapore and Southeast Asia: data gaps fail to mask potentially massive economic costs. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 131-152. https://doi.org/10.3897/neobiota.67.64560
Extrapolated annual average costs for those invasive species known to be in Singapore with recorded costs in InvaCost
Supplementary material 1 from: Haubrock PJ, Cuthbert RN, Yeo DCJ, Banerjee AK, Liu C, Diagne C, Courchamp F (2021) Biological invasions in Singapore and Southeast Asia: data gaps fail to mask potentially massive economic costs. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 131-152. https://doi.org/10.3897/neobiota.67.64560
Description of the procedure used for collecting and describing cost data in the InvaCost database (adapted from Diagne et al. 2020)
Supplementary material 5 from: Haubrock PJ, Cuthbert RN, Yeo DCJ, Banerjee AK, Liu C, Diagne C, Courchamp F (2021) Biological invasions in Singapore and Southeast Asia: data gaps fail to mask potentially massive economic costs. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 131-152. https://doi.org/10.3897/neobiota.67.64560
Relationships between trade value and recorded cost entries per country in InvaCost, as well as land area and human population with total cost
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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.