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2,911 results for “dispersal”
FIGURES 10–12 in First records of Elachistinae from New Caledonia: evidence of repeated dispersal events with Australia (Lepidoptera, Gelechioidea, Elachistidae)
FIGURES 10–12. Male genitalia of Elachista spp. 10. E. concubia sp. nov., ♂ holotype. Left: general image of genitalia, phallus in same sCale. Right top: juxta and digitate proCesses. Right bottom: apex of phallus enlarged. 11. E. achlyodes sp. nov., ♂ holotype. Left: general image of genitalia, phallus in same sCale. Right top: juxta and digitate proCesses. Right bottom: apex of phallus enlarged. 12. E. scoteina sp. nov., ♂ holotype. Left: general image of genitalia, phallus in same sCale. Right top: juxta and digitate proCesses. Right bottom: phallus enlarged.
FIGURES 1–9 in First records of Elachistinae from New Caledonia: evidence of repeated dispersal events with Australia (Lepidoptera, Gelechioidea, Elachistidae)
FIGURES 1–9. External appearanCe of Elachista spp. SCale 2 mm. 1. E. concubia sp. nov., ♂ holotype. 2. E. achlyodes sp. nov., ♂ holotype. 3. E. scoteina sp. nov., ♂ holotype. 4. E. cardiaca sp. nov., ♂ holotype. 5. E. dilobates sp. nov., ♂ holotype. 6. E. vespertina sp. nov., ♂ holotype. 7. E. cynopa MeyriCk (New Caledonia, Mt. DzumaC). 8. E. cynopa MeyriCk (Australia; ACT, BlaCk Mountain; a reared speCimen). 9. E. fugax sp. nov., ♂ holotype.
FIGURE 4 in Possible amphi-Atlantic dispersal of Scyllarus lobsters (Crustacea: Scyllaridae): molecular and larval evidence
FIGURE 4. Scyllarus subarctus, Phyllosoma final stage (PHMF 92). (A) ventral view, (B) dactylus of first pereiopod, (C) dactylus of second pereiopod, (D) dactylus of third pereiopod, (E) dactylus of fourth pereiopod, (F) left side of thorax, dorsal view, (G) detailed view of distal part of proximal exopod segment. Scale bars: A = 2 mm; B-F = 1 mm; G = 0.1 mm.
FIGURE 2 in Possible amphi-Atlantic dispersal of Scyllarus lobsters (Crustacea: Scyllaridae): molecular and larval evidence
FIGURE 2. Scyllarus subarctus, Phyllosoma stage VII (PHMF 13, PHMF 51). (A) ventral view, (B) dactylus of first pereiopod; (C) dactylus of second pereiopod, (D) dactylus of third pereiopod, (E) dactylus of fourth pereiopod. Scale bars: A = 1 mm; B-E = 500 µm.
FIGURE 3 in Possible amphi-Atlantic dispersal of Scyllarus lobsters (Crustacea: Scyllaridae): molecular and larval evidence
FIGURE 3. Scyllarus subarctus, Phyllosoma subfinal stage (PHMF 56, PHMF 48, SNECII-E89_02). (A) ventral view, (B) dactylus of first pereiopod, (C) dactylus of second pereiopod, (D) dactylus of third pereiopod, (E) dactylus of fourth pereiopod. Scale bars: A = 42 mm; B-E = 500 µm.
FIGURE 6 in Possible amphi-Atlantic dispersal of Scyllarus lobsters (Crustacea: Scyllaridae): molecular and larval evidence
FIGURE 6. Scyllarus subarctus, (A)–(C) maxilla and first maxilliped, (D)–(F) second maxilliped, (H)–(K) third maxilliped, (L)–(N) pleon and fifth pereiopod, ventral view, (O) pleopods of stage VII, subfinal and final stage respectively. Scale bars: A, B, D, H and I = 500 µm; C, E, F, G, L, M and O = 1 mm; N = 2 mm.
FIGURE 1 in Possible amphi-Atlantic dispersal of Scyllarus lobsters (Crustacea: Scyllaridae): molecular and larval evidence
FIGURE 1. Molecular Phylogenetic tree obtained by Maximum Likelihood. Only bootstrap support values above 80 are shown. Larval images adapted from Robertson (1968a, 1968b, 1971) and Palero et al. (2008, 2011).
Habitat fragmentation through urbanization selects for low dispersal in an ant species
<p>Datasets for the paper published in Oikos entitled "Habitat fragmentation through urbanization selects for low dispersal in an ant species"</p><p>Visual_data_table.xlsx: Visual table of the data (not used for the analysis)<br>Script_<i>R.r, </i>data_<i>R.xlsx, </i>Var_sites_R.xlsx: script and data used for the analysis</p>
Phylogenetically under‐dispersed gut microbiomes are not correlated with host genomic heterozygosity in a genetically diverse reptile community
<p>We are providing semi-processed datasets relevant to the paper "Phylogenetically under-dispersed gut microbiomes across a range of host genetic diversity in a reptile community point to structuring by conserved host genes." Specifically, we include VCF files of RADseq data from host individuals, which are processed versions of the raw reads available at NCBI's Short Read Archive under PRJA744273. These data were processed for heterozygosity calculation using an adapted of the pipeline presented in Singhal et al. 2017, "Genetic diversity is largely unpredictable but scales with museum occurrences in a species-rich clade of Australian lizards."</p> <p>In addition, we include a database of 16S sequences from gut microbiome amplicon sequencing from the same host animals. The raw reads are available at NCBI's Short Read Archive under PRJNA746253. The sequences accessioned here are a curated, cleaned set of reference reads to which we realigned reads from each individual host.</p>
Figure 1 in Evolutionary reduction of female dispersal in Cataglyphis desert ants
Figure 1. External morphology of queen thorax in Cataglyphis (a) flying (C. bombycina) and (b) non-flying (C. velox). The relative sizes of pronotum (dorsal plate of T1) and mesonotum (T2) vary together with the presence or absence of wing muscles. The metanotum (T3) is reduced in all flying Hymenoptera.
Figure 2 in Evolutionary reduction of female dispersal in Cataglyphis desert ants
Figure 2. Presence or absence of wing muscles inside Cataglyphis queen thorax. Thick parallel muscle fibres (only longitudinal seen in this plane) are present in (a) young queen of C. emmae, but completely absent in (b) brachypterous queen of C. hispanica. Phragmata are indicated with arrows (posterior phragma absent in C. hispanica).
Data associated with studies on wind and phoretic dispersal of crapemyrtle bark scale
<p>These are data associated with studies on the wind-mediated and phoretic dispersal of crapemyrtle bark scale.</p>
Figure 4 in The distribution of the Malay civet Viverra tangalunga (Carnivora: Viverridae) across Southeast Asia: natural or human-mediated dispersal?
Figure 4. Mismatch distribution computed for the concatenated mitochondrial sequences for all samples, and for the different populations (Peninsular Malaysia, Borneo, Philippines, Sulawesi, and Moluccas); solid line, observed distribution of pairwise differences; dashed line, expected distribution under the model of sudden demographic expansion.
Figure 2. Phylogenetic relationships among Viverra tangalunga inferred from mtDNA haplotypes from the concatenated 797 in The distribution of the Malay civet Viverra tangalunga (Carnivora: Viverridae) across Southeast Asia: natural or human-mediated dispersal?
Figure 2. Phylogenetic relationships among Viverra tangalunga inferred from mtDNA haplotypes from the concatenated 797-bp mitochondrial control region and cytochrome b sequences. Trees for each of the three analyses (neighbour joining, maximum likelihood, and Bayesian inference) had similar topologies. Numbers above the branches represent bootstrap support, with only values> 60% shown. Numbers in parentheses represent the number of individuals sharing the same haplotype; haplotype codes are listed in Appendix S3.
Figure 1 in The distribution of the Malay civet Viverra tangalunga (Carnivora: Viverridae) across Southeast Asia: natural or human-mediated dispersal?
Figure 1. The location of Viverra tangalunga samples used in this study. The grey shading indicates the currently known distribution of V. tangalunga (see Jennings & Veron, 2011). The size of each dot represents the number of samples per locality.
Data from: seed dispersal by frugivores without seed swallowing: evaluating the contributions of stomatochoric seed dispersers
<p>The process of seed dispersal that underpins ecosystem maintenance is performed by diverse arrays of fruit-eating animals. However, seed dispersal studies are primarily focused on a subset of these animal communities that disperse seeds by endozoochory. Stomatochory (seed dispersal in which seeds are carried externally and are not swallowed) is rarely considered to be effective, despite an increasing number of taxa-focused studies that indicate otherwise.</p> <p>We collated the available information on stomatochory to provide a quantitative overview of the dispersal mechanism, including plant-types and fruit-traits dispersed, dispersal distances and germination potential for all available taxa. We compared seed sizes dispersed, dispersal distances, and germination potential with corresponding data on endozoochory for bats and primates. We also identified the main taxa dispersing seeds by stomatochory and assessed what factors influenced the distances that they carried seeds to.</p> <p>Stomatochoric dispersers can displace large quantities of seeds, including large seeds and those of large fruits, and over short to long distances (> 1 km). Compared to similar-sized endozoochoric dispersers, they can disperse larger seeds, but over shorter distances, on average. Similar to endozoochory, seed handling by stomatochory also improves the germination potential of dispersed seeds. Dispersal distances achieved by stomatochory were influenced by body mass, daily path length, seed width, fruit type and seed handling techniques.</p> <p>Five main taxonomic groups of stomatochoric dispersers were identified: bats, parrots, squirrels, corvids and Old World monkeys (cercopithecines). Parrots perform dispersal services for the largest fruits and over the longest distances. However, given the lack of research on stomatochory, it is likely other taxa are also important stomatochoric dispersers but have not been identified yet.</p> <p>More research attention must be directed towards seed dispersal services that are not provided by endozoochory. Many stomatochoric dispersers are common animals within communities and could be playing dominant seed dispersal roles, even without swallowing seeds. Community-wide studies should incorporate all seed dispersal interactions, rather than focusing solely on endozoochory. This will ensure a more robust understanding of community-wide patterns.</p>
Data from: dispersal sweepstakes: biotic interchange propelled air-breathing fishes across the globe
<p>Synbranchiformes is a phenotypically diverse and species rich clade of freshwater acanthomorph fishes, which include eel- and perch-like, air-breathing and non-air-breathing fishes. The ability to breathe out of water has presumably aided lineages of Synbranchiformes in dispersing across all southern continents except Antarctica. The lack of a well-resolved, time-calibrated phylogeny of Synbranchiformes limits our understanding of the timing and geographic patterns of diversification of these anatomically and ecologically diverse fishes. As a consequence, contemporary interpretations of synbranchiform biogeography invoke scenarios as disparate as Gondwana vicariance and pan-global rafting to explain their modern-day geographic distribution. In this study, we use high-throughput sequencing of ultra-conserved elements (UCEs) to infer a phylogeny for all major synbranchiform lineages. We combine this dataset with existing Sanger sequenced genes and fossil calibrations to infer a comprehensive time-calibrated phylogeny of Synbranchiformes. Then, we use Bayesian methods of biogeographical reconstruction to document the history of dispersal of synbranchiforms, finding support for Southeast Asia as the likely ancestral area of all major lineages. Our results reject the hypothesis of Gondwanan vicariance explaining synbranchiform biogeography, and instead the historical biogeographic analyses support a hypothesis of independent continental invasions by snakeheads, anabantids, and spiny eels. However, there is no signal of elevated lineage diversification rates after these invasions. Instead, higher rates of lineage diversification in spiny eels pre-dates their arrival to Africa, while the high levels of lineage diversification observed in <em>Betta</em> were initiated prior to the flooding of insular Sundaland in SE Asia.</p>
The stability of competitive metacommunities is insensitive to dispersal connectivity in a fluctuating environment
<p>This repository contains four archived folders: 1) all the codes and parameter sets for the simulations, 2) codes to analyse and visualise the simulation outputs, 3) simulation output files and other data files necessary for the analysis, and 4) library management files for julia lang. Please refer to README.txt for the descriptions of the files.</p>
Data from: Synthesis of low-molecular weight itaconic acid polymers as nanoclay dispersants and dispersion stabilizers
<p>The upload contains data associated with the publication, including raw data in the original file format whenever possible. Dataset content: SAXS, NMR, rheology, cryo-TEM, LC-MS.</p> <p>This work was financially supported by the Lead Agency bilateral a Czech-Polish project provided by the Czech Science Foundation (21-07004K) and National Science Center Poland (CEUS-UNISONO project grant no. 2020/02/Y/ST5/00021).</p>
Data from: Insight into the aqueous Laponite nanodispersions for self-assembled poly(itaconic acid) nanocomposite hydrogels: The effect of multivalent phosphate dispersants
<p>The upload contains data associated with the publication, including raw data in the original file format whenever possible. Dataset content: SAXS, NMR reology, zeta potential.</p> <p>This work was financially supported by the Lead Agency bilateral a Czech-Polish project provided by the Czech Science Foundation (21-07004K) and National Science Center Poland (CEUS-UNISONO project grant no. 2020/02/Y/ST5/00021).</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.