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137 results for “long distance dispersal”
Fig. 7 in Long distance dispersal and pseudo-cryptic species in Gastrotricha: first description of a new species (Chaetonotida, Chaetonotidae, Polymerurus) from an oceanic island with volcanic rocks
Fig. 7. Scanning electron microscopy. Polymerurus insularis sp. nov. A–B, D–E. Paratype (ZUEC GCH 59). C. Paratype (ZUEC GCH 60). A. Dorsal view of the body. B. Dorsolateral view of the head, showing the cephalion and its lateral projections. C. Lateral view of the head, highlighting the lateral pleurae. D–E. Dorsal trunk view, highlighting scale Type 1. Abbreviations: ce = cephalion; fr = furcal rami; lc = locomotory cilia; lce = lateral cephalic expansions; pl = pleurae; sc-1 = Type 1 scales. Scale bars: A = 40 µm; B–C = 5 µm; D = 20 µm; E = 10 µm.
Data from: Costs and benefits of non-random seed release for long distance dispersal in wind-dispersed plant species
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Data from: Similarity in temporal variation in sex-biased dispersal over short and long distances in the dark-eyed junco, Junco hyemalis
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Data from: Population genetic structure and long-distance dispersal among seabird populations: implications for colony persistence
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Data from: Occasional long-distance dispersal may not prevent inbreeding in a threatened butterfly
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Data from: Allometric scaling of long-distance seed dispersal by migratory birds
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Data from: The founding of Mauritian endemic coffee trees by a synchronous long-distance dispersal event
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Social status, forest disturbance, and Barred Owls shape long-term trends in breeding dispersal distance of Northern Spotted Owls
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Data from: Genetic uniformity and long-distance clonal dispersal in the invasive androgenetic Corbicula clams
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Data from: What is long-distance dispersal? and a taxonomy of dispersal events
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Data from: Occasional long-distance dispersal increases spatial synchrony of population cycles
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Phylogeny and biogeography of Acaena (Rosaceae) and its relatives: Evidence of multiple long-distance dispersal events across the globe
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Data from: Long distance dispersal and genetic structure of natural populations: an assessment of the inverse isolation hypothesis in peat mosses
It is well accepted that the shape of the dispersal kernel, especially its tail, has a substantial effect on the genetic structure of species. Theory predicts that dispersal by fat-tailed kernels reshuffles genetic material and thus preserves genetic diversity during colonization. Moreover, if efficient long distance dispersal is coupled with random colonization, an inverse isolation effect is predicted to develop in which increasing genetic diversity per colonizer is expected with increasing distance from a genetically variable source. By contrast, increasing isolation leads to decreasing genetic diversity when dispersal is via thin-tailed kernels. Here we use a well-established model group for dispersal biology (peat mosses: genus Sphagnum) with a fat-tailed dispersal kernel, and the natural laboratory of the Stockholm archipelago to study the validity of the inverse isolation hypothesis in spore-dispersed plants in island colonization. Population genetic structure of three species (S. fallax, S. fimbriatum and S. palustre) with contrasting life histories and ploidy levels were investigated on a set of islands using microsatellites. Our data show (φ'st, AMOVA, IBD) that dispersal of the two most abundant species can be well approximated by a random colonization model. We find that genetic diversity per colonizer on islands increases with distance from the mainland for S. fallax and S. fimbriatum. By contrast, S. palustre deviates from this pattern, owing to its restricted distribution in the region affecting its source pool strength. Therefore, the inverse isolation effect appears to hold in natural populations of peat mosses and, likely, in other organisms with small diaspores.
Data from: Long distance dispersal and genetic structure of natural populations: an assessment of the inverse isolation hypothesis in peat mosses
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Data from: Long-distance pollen and seed dispersal and inbreeding depression in Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) in the Brazilian savannah
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Fig. 4 in Systematics of Cuscuta chinensis species complex (subgenus Grammica, Convolvulaceae): evidence for long-distance dispersal and one new species
Fig. 4 Morphology of Cuscuta azteca. a Flower. b Outline of dissected calyx. c Dissected corolla showing infrastaminal scales (ifs). d Capsule. Bars 1 mm
Fig. 2 a–g in Systematics of Cuscuta chinensis species complex (subgenus Grammica, Convolvulaceae): evidence for long-distance dispersal and one new species
Fig. 2 a–g Scanning electron micrographs of multicellular protuberances on the calyx of Cuscuta chinensis species complex. a C. chinensis var. chinensis. b C. chinensis var. applanata. c–e C. alata. f
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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.