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112 results for “introduced population”
Supplementary material 1 from: Felden A, Paris C, Chapple DG, Suarez AV, Tsutsui ND, Lester PJ, Gruber MAM (2019) Native and introduced Argentine ant populations are characterised by distinct transcriptomic signatures associated with behaviour and immunity. NeoBiota 49: 105-126. https://doi.org/10.3897/neobiota.49.36086
: Data type: molecular data
Data from: Inferring the origin of populations introduced from a genetically structured native range by approximate Bayesian computation: case study of the invasive ladybird Harmonia axyridis
Correct identification of the source population of an invasive species is a prerequisite for testing hypotheses concerning the factors responsible for biological invasions. The native area of invasive species may be large, poorly known and/or genetically structured. Because the actual source population may not have been sampled, studies based on molecular markers may generate incorrect conclusions about the origin of introduced populations. In this study, we characterized the genetic structure of the invasive ladybird Harmonia axyridis in its native area using various population genetic statistics and methods. We found that H. axyridis native area most likely consisted of two geographically distinct genetic clusters located in eastern and western Asia. We then performed approximate Bayesian computation (ABC) analyses on controlled simulated microsatellite data sets to evaluate: (i) the risk of selecting incorrect introduction scenarios, including admixture between sources, when the populations of the native area are genetically structured and sampling is incomplete, (ii) the ability of ABC analysis to minimize such risks by explicitly including unsampled populations in the scenarios compared. Finally, we performed additional ABC analyses on real microsatellite data sets to retrace the origin of biocontrol and invasive populations of H. axyridis, taking into account the possibility that the structured native area may have been incompletely sampled. We found that the invasive population in eastern North America, which has served as the bridgehead for worldwide invasion by H. axyridis, was probably formed by an admixture between the eastern and western native clusters. This admixture may have facilitated adaptation of the bridgehead population.
Supplementary material 3 from: Craves JA, Anich NM (2023) Status and distribution of an introduced population of European Goldfinches (Carduelis carduelis) in the western Great Lakes region of North America. NeoBiota 81: 129-155. https://doi.org/10.3897/neobiota.81.97736
Natural food sources of European Goldfinches in eastern North America
Data from: Influence of introduction history on genetic variation in introduced populations: a case study of Oregon Chub
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Data from: Asexual reproduction in introduced and native populations of the ant Cerapachys biroi
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Data from: Inferring the origin of populations introduced from a genetically structured native range by approximate Bayesian computation: case study of the invasive ladybird Harmonia axyridis
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How much is enough? Sampling intensity influences estimates of reproductive variance in an introduced population
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Data from: Evolutionary significance of the invasion of introduced populations into the native range of Meconopsis cambrica
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Data from: The devil is in the details: genetic variation in introduced populations and its contributions to invasion
The influence of genetic variation on invasion success has captivated researchers since the start of the field of invasion genetics 50 years ago. We review the history of work on this question and conclude that genetic variation—as surveyed with molecular markers—appears to shape invasion rarely. Instead, there is a significant disconnect between marker assays and ecologically relevant genetic variation in introductions. We argue that the potential for adaptation to facilitate invasion will be shaped by the details of genotypes affecting phenotypes, and we highlight three areas in which we see opportunities to make powerful new insights. (i) The genetic architecture of adaptive variation. Traits shaped by large-effect alleles may be strongly impacted by founder events yet more likely to respond to selection when genetic drift is strong. Large-effect loci may be especially relevant for traits involved in biotic interactions. (ii) Cryptic genetic variation exposed during invasion. Introductions have strong potential to uncover masked variation due to alterations in genetic and ecological environments. (iii) Genetic interactions during admixture of multiple source populations. As divergence among sources increases, positive followed by increasingly negative effects of admixture should be expected. Although generally hypothesized to be beneficial during invasion, admixture is most often reported among sources of intermediate divergence, supporting the possibility that incompatibilities among divergent source populations might be limiting their introgression. Finally, we note that these details of invasion genetics can be coupled with comparative demographic analyses to link genetic changes to the evolution of invasiveness itself.
Data from: The devil is in the details: genetic variation in introduced populations and its contributions to invasion
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Subspecies and Distribution. V.v.vicugnaMolina,1782—WBolivia,NWArgentina,andNEChilefrom18°Sto29°S. V. v. mensalis Thomas, 1917 — SE Peru, W Bolivia, and NE Chile from 9° S to 19° S. Ecuador has a small population (c.3000) introduced from Peru, Chile, and Bolivia in the 1980s. in Camelidae
Subspecies and Distribution. V.v.vicugnaMolina,1782—WBolivia,NWArgentina,andNEChilefrom18°Sto29°S. V. v. mensalis Thomas, 1917 — SE Peru, W Bolivia, and NE Chile from 9° S to 19° S. Ecuador has a small population (c.3000) introduced from Peru, Chile, and Bolivia in the 1980s.
Distribution. NE Pakistan, NW & NE India, Nepal, Myanmar, S China (Yunnan), Thai-land, Laos, Vietnam, and Cambodia. Records from W Sumatra and C & E Java likely represent introduced populations. in Muridae
Distribution. NE Pakistan, NW & NE India, Nepal, Myanmar, S China (Yunnan), Thai-land, Laos, Vietnam, and Cambodia. Records from W Sumatra and C & E Java likely represent introduced populations.
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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.