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573 results for “geographic species distribution”
Fig. 16. Geographical distribution maps. A in The Smicridea (Smicridea) fasciatella species group (Trichoptera: Hydropsychidae) in Brazil: six new species and new distributional records
Fig. 16. Geographical distribution maps. A. Distribution of Smicridea (Smicridea) erecta Flint,1974. B. Distribution of Smicridea (Smicridea) obliqua Flint,1974.
Fig. 15. Geographical distribution maps. A in The Smicridea (Smicridea) fasciatella species group (Trichoptera: Hydropsychidae) in Brazil: six new species and new distributional records
Fig. 15. Geographical distribution maps. A. Distribution of Smicridea (Smicridea) albosignata Ulmer, 1907. B. Distribution of Smicridea (Smicridea) bivittata (Hagen, 1861).
Fig. 7 in Four new species of Hecabolus Curtis, 1834 (Braconidae, Doryctinae) from south and southwestern Brazil, with notes on the morphological variation and geographic distribution of H. mexicanus ZaldívarRiverón & Belokobylskij, 2009
Fig. 7. Hecabolus mexicanus Zaldívar-Riverón & Belokobylskij, 2009, ♂ (CNIN-IBUNAM). A. Habitus, lateral view; inset: head, frontal view. B. Mesosoma, lateral view. C. Fore wings showing pterostigma with dense dark setae (arrow). D. Metasoma, dorsal view.
Fig. 5 in Four new species of Hecabolus Curtis, 1834 (Braconidae, Doryctinae) from south and southwestern Brazil, with notes on the morphological variation and geographic distribution of H. mexicanus ZaldívarRiverón & Belokobylskij, 2009
Fig. 5. Hecabolus transversalis sp. nov., ♀, holotype (NHMUK). A. Habitus, lateral view. B. Head, frontal view. C. Mesosoma, lateral view. D. Mesosoma, dorsal view. E. Fore wing. F. Hind wing. G. Metasoma, dorsal view, showing the transverse anterior striation of the second metasomal tergite.
Fig. 6 in Four new species of Hecabolus Curtis, 1834 (Braconidae, Doryctinae) from south and southwestern Brazil, with notes on the morphological variation and geographic distribution of H. mexicanus ZaldívarRiverón & Belokobylskij, 2009
Fig. 6. Hecabolus mexicanus Zaldívar-Riverón & Belokobylskij, 2009, ♀ (CNIN-IBUNAM). A. Habitus, lateral view. B. Head, frontal view. C. Mesosoma, lateral view. D. Mesosoma, dorsal view. E. Fore and hind wings. F. Metasoma, dorsal view.
Fig. 3 in Four new species of Hecabolus Curtis, 1834 (Braconidae, Doryctinae) from south and southwestern Brazil, with notes on the morphological variation and geographic distribution of H. mexicanus ZaldívarRiverón & Belokobylskij, 2009
Fig. 3. Hecabolus gavinbroadi sp. nov., ♀, holotype (NHMUK). A. Habitus, lateral view. B. Head, frontal view. C. Mesosoma, lateral view. D. Mesosoma, dorsal view. E. Fore and hind wings, showing the wide pterostigma. F. Metasoma, dorsal view.
Fig. 2 in Four new species of Hecabolus Curtis, 1834 (Braconidae, Doryctinae) from south and southwestern Brazil, with notes on the morphological variation and geographic distribution of H. mexicanus ZaldívarRiverón & Belokobylskij, 2009
Fig. 2. Hecabolus chrisaxeli sp. nov., ♀, holotype (NHMUK). A. Habitus, lateral view. B. Head, frontal view. C. Mesosoma, lateral view. D. Mesosoma, dorsal view. E. Fore wing. F. Hind wing. G. Metasoma, dorsal view.
Fig. 1 in Four new species of Hecabolus Curtis, 1834 (Braconidae, Doryctinae) from south and southwestern Brazil, with notes on the morphological variation and geographic distribution of H. mexicanus ZaldívarRiverón & Belokobylskij, 2009
Fig. 1. Hecabolus acutus sp. nov., ♀, holotype (NHMUK). A. Habitus, lateral view. B. Head, frontal view. C. Mesosoma, lateral view. D. Mesosoma, dorsal view, black arrows indicate the middle mesoscutal pointed edges above notaulli. E. Fore wing. F. Hind wing. G. Metasoma, dorsal view.
Data from: Distributional shifts – not geographic isolation – as a probable driver of montane species divergence
As biodiversity hotspots, montane regions have been a focus of research to understand the divergence process. Like their oceanic counterparts, the diversity of the "sky islands" might be ascribed to geographic isolation of mountaintops. However, because the sky islands, and especially those in northern latitudes, are subject to extreme climatic events such as the glacial cycles that drove both altitudinal and geographical shifts in species' distributions, the dynamic colonization process is also a possible factor driving divergence. Here we test these two hypotheses (i.e., isolation versus colonization) in a flightless montane grasshopper, Melanoplus oregonensis, which is a member of a diverse group that radiated across the Rocky Mountains of North America. Using approximate Bayesian computation (ABC) and spatially explicit simulations that account for spatial heterogeneity and temporal shifts in species distributions, we show that a colonization model of the sky islands from refugial populations provides a significantly better fit to the empirical genetic data than a model of the geographic isolation among sky islands. Moreover, support for the colonization model holds irrespective of whether the movement of individuals was modeled as a diffusion process or was informed by differences in habitat suitabilities across the landscape. With validation analyses to confirm the models provide a good fit to the data, as well as general power and quality analyses, the research not only adds to a growing body of work on the complex dynamics underlying montane biodiversity, but it also provides much needed evaluation of competing hypotheses based on explicit models of the divergence process, as opposed to inferences about diversification drivers from species diversity patterns.
Fig. 2 in Interspecific Interactions as a Factor of Limitation of Geographical Distribution: Evidence Obtained by Modeling Home Ranges of Vole Twin Species Microtus Arvalis – M. Levis (Rodentia, Microtidae)
Fig. 2. Potential distribution of the East European vole (Microtus levis). Captions as in fig.1.
Fig. 95 in Geographic Distribution Of Lispocephala Pokorny (Diptera: Muscidae), With Descriptions Of New Species From China
Fig. 95. Distribution map of endemic species of Lispocephala in China
Fig. 1 in Geographic Distribution Of Lispocephala Pokorny (Diptera: Muscidae), With Descriptions Of New Species From China
Fig. 1. Male genitalia figure of Lispocephala
Genomic implications of the repeated shift to self-fertilization across a species' geographic distribution
<p>This is the dataset for the publication</p> <p><strong><span>Genomic implications of the repeated shift to self-fertilization across a species’ geographic distribution</span></strong></p> <p>by Kay Lucek, Jana Flury, Yvonne Willi</p> <p>published in the Journal of Heredity 10.1093/jhered/esae046</p> <p>Abstract</p> <div>The ability to self-fertilize often varies among closely related hermaphroditic plant species, though, variation can also exist within species. In the North American <em>Arabidopsis lyrata</em>, the shift from self-incompatibility (SI) to selfing established in multiple regions independently, mostly since recent postglacial range expansion. This has made the species an ideal model for the investigation of the genomic underpinnings of the breakdown of SI and its population genetic consequences. By comparing nearby selfing and outcrossing populations across the entire species’ geographic distribution, we investigated variation at the self-incompatibility (S-)locus and across the genome. Furthermore, a diallel crossing experiment on one mixed-mating population was performed to gain insight into the inheritance of mating system variation. We confirmed that the breakdown of SI had evolved in several S-locus backgrounds. The diallel suggested the involvement of biparental contributions with dominance relations. Though, the population-level genome-wide association study did not single out clear-cut candidate genes but several regions with one near the S-locus. On the implication side, selfing as compared to outcrossing populations had less than half of the genomic diversity, while the number and length of runs of homozygosity (ROHs) scaled with the degree of inbreeding. Selfing populations with a history of long expansion had the longest ROHs. The results highlight that mating system shift to selfing, its genetic underpinning and the likely negative genomic consequences for evolutionary potential can be strongly interlinked with past range dynamics.</div> <div> </div> <div> </div> <div>Please read the respective readme files for each dataset.</div>
FIG. 1 in A new species of Gieysztoria Ruebush & Hayes, 1939 (Platyhelminthes, Rhabdocoela, Dalyelliidae) from Argentina with comments on geographical distribution of the genus in the Neotropical region
FIG. 1. — Study area: A, geographical location (● Reta locality); B, sampling site.
FIGURE 8 in The Agauopsis brevipalpus group (Acari: Halacaridae), descriptions of tropical Indo-West Pacific species, a key to all species, their geographical distribution and reflections on dispersal routes
FIGURE 8: Present day records of species of the Agauopsis brevipalpus group with three (circle) and four spines (quadrat) on telofemur I plotted on a map with Lower Jurassic land masses (solid line), ca 180 my ago (present-day plates in dotted line). A record from the Society Islands is omitted. (Lower Jurassic map modified from Howarth 1981; Vaughan & Livermore 2005; Stevens 2012).
FIGURE 7 in The Agauopsis brevipalpus group (Acari: Halacaridae), descriptions of tropical Indo-West Pacific species, a key to all species, their geographical distribution and reflections on dispersal routes
FIGURE 7: Geographical distribution of named and unnamed species of the Agauopsis brevipalpus group. Different symbols are used depending on number of spines on telofemur I. Species with one or two spines are marked by a diamond: (1, collaris; 2, rosea; X, Agauopsis sp.); with three spines by a circle: (1, filirostris; 2, glabra; 3, ivanomorselii; 4, luxtoni; 5, newelli; 6, novaezelandiae; 7, reticulata); with four spines by a quadrat (1, arabia; 2, arborea; 3, atacamae; 4, borealis; 5, brevipalpus; 6, dissimilis; 7, ibssi; 8, legionium; 9, littoralis;10, longirostris; 11, moorea; 12, obtusa; 13, ripa; 14, sordida; 15, youngilensis; X, Agauopsis sp.); with five or more spines by a triangle (1, tricuspis; X, Agauopsis sp.).
FIGURE 2 in The Agauopsis brevipalpus group (Acari: Halacaridae), descriptions of tropical Indo-West Pacific species, a key to all species, their geographical distribution and reflections on dispersal routes
FIGURE 2: Agauopsis dissimilis n.sp.: A – median part of PD level with ds-5, female; B – idiosoma, dorsal, female; C – idiosoma, ventral, female; D – gnathosoma, ventral, female; E – lateral margin of OC, female; F – gnathosomal base, dorsal, female; G – palp, lateral, female; H – AD, OC and PD, dorsal, male; I – idiosoma, ventral, male; J – genitoanal plate, male. (ds-5, fifth dorsal seta; glp, gland pore; L-Ba, length of gnathosomal base; L-Ro, length of rostrum; pa, porose areola; pc, pore canaliculus) Scale line = 50 µm
FIGURE 5 in The Agauopsis brevipalpus group (Acari: Halacaridae), descriptions of tropical Indo-West Pacific species, a key to all species, their geographical distribution and reflections on dispersal routes
FIGURE 5: Agauopsis ripa Otto, 1999, male: A – lateral margin of OC; B – genitoanal plate; C – gnathosoma, ventral; D – P-3 and P-4; E – tip of tarsus I, ventromedial; F – tip of tarsus II, ventromedial (one of lateral parambulacral setae obscured, the other in broken line); G – tip of tarsus III, ventral. (T, tectum) Scale line = 50 µm.
FIGURE 6 in The Agauopsis brevipalpus group (Acari: Halacaridae), descriptions of tropical Indo-West Pacific species, a key to all species, their geographical distribution and reflections on dispersal routes
FIGURE 6: Agauopsis sordida Bartsch, 1992: A – idiosoma, dorsal, female; B – idiosoma, ventral, female; C – lateral margin of OC, female; D – genitoanal plate, male; E – idiosoma, dorsal, male; F – idiosoma, ventral, male; G – gnathosoma, ventral, female. (pa, porose areola; spp, spermatopositor) Scale line = 50 µm.
FIGURE 1 in The Agauopsis brevipalpus group (Acari: Halacaridae), descriptions of tropical Indo-West Pacific species, a key to all species, their geographical distribution and reflections on dispersal routes
FIGURE 1: Agauopsis arabia Bartsch and Chatterjee, 2001: A – idiosoma, dorsal, female; B – lateral margin of OC, male; C – gnathosomal base, dorsal, female; D – gnathosoma, lateral, female; E – tip of tarsus IV, ventral, female. (glp, gland pore; pa, porose areola; pc, pore canaliculus; T, tectum) Scale line = 50 µm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.