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677 results for “Inversion”
Figs 9, 10 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Figs 9, 10. Adult females, habitus in life: (9) Hottentotta conspersus (Thorell, 1876); (10) Parabuthus brevimanus (Thorell, 1876).
Figs 15, 16 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Figs 15, 16. Uroplectes adults, habitus in life: (15) U. gracilior Hewitt, 1913, male; (16) U. planimanus (Karsch, 1879), female with brood.
Fig. 1 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 1. Brandberg Massif (Namibia), gravel plains southwest, facing northeast to Massif in distance, dry year. Gravel plains, habitat of Parabuthus brevimanus (Thorell, 1876), Parabuthus namibensis Lamoral, 1979 and Uroplectes gracilior Hewitt, 1913.
Fig. 4 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 4. Brandberg Massif (Namibia), base of Massif at entrance to Goaseb (Ga-Asab) Gorge, facing north to Orabeskopf at summit, wet year. Dominant vegetation, Boscia foetida Schinz and Commiphora sp. Rocky flats, habitat of Hottentotta conspersus (Thorell, 1876), Parabuthus brevimanus (Thorell, 1876), Parabuthus villosus (Peters, 1862), and Opistophthalmus lamorali Prendini, 2000.
Figs 13, 14 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Figs 13, 14. Parabuthus adults, habitus in life: (13) P. kraepelini Werner, 1902, female; (14) P. villosus (Peters, 1862), male.
Fig. 21 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 21. Graph illustrating decreasing scorpion species richness with increasing altitude (100 m contour interval) on the Brandberg Massif (Namibia). Data from Material Examined (this study).
Fig. 5 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 5. Brandberg Massif (Namibia), lower slopes of Massif in Goaseb (Ga-Asab) Gorge, facing southwest, wet year. Dominant vegetation, Acacia montis-usti Merxm. & A. Schreib., Commiphora sp., Euphorbia sp. and Moringa ovalifolia Dinter & A. Berger. Rocky flats and slopes, habitat of Hottentotta conspersus (Thorell, 1876), Hadogenes tityrus (Simon, 1888) and Opistophthalmus ugabensis Hewitt, 1934.
Fig. 3 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 3. Brandberg Massif (Namibia), gravel plains and foothills southeast, facing northwest to Massif, wet year. Dominant vegetation, Euphorbia damarana L.C. Leach and Stipagrostis sp. Gravel plain, habitat of Parabuthus brevimanus (Thorell, 1876), Parabuthus granulatus (Ehrenberg, 1831). Rocky foothills, habitat of Parabuthus villosus (Peters, 1862) and Opistophthalmus lamorali Prendini, 2000.
Figs 11, 12 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Figs 11, 12. Parabuthus adults, habitus in life: (11) P. gracilis Lamoral, 1979, female; (12) P. granulatus (Ehrenberg, 1831), male.
Fig. 2 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 2. Brandberg Massif (Namibia), granitic inselberg south, surrounded by low sand dunes, leading down to sandy plain, facing west, wet year. Dominant vegetation, Euphorbia damarana L.C. Leach and Stipagrostis sp. Dunes, habitat of Parabuthus gracilis Lamoral, 1979 and Opistophthalmus jenseni (Lamoral, 1972). Sandy plain, habitat of Parabuthus brevimanus (Thorell, 1876), Parabuthus granulatus (Ehrenberg, 1831) and Opistophthalmus wahlbergii (Thorell, 1876).
Fig. 7 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 7. Brandberg Massif (Namibia), just below summit of Massif in Goaseb (Ga-Asab) Gorge, facing south to gravel plains, dry year. Rocky slopes, habitat of Brandbergia haringtoni Prendini, 2003, Hadogenes tityrus (Simon, 1888) and Uroplectes planimanus (Karsch, 1879).
Fig. 6 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 6. Brandberg Massif (Namibia), upper slopes of Massif in Goaseb (Ga-Asab) Gorge, facing northeast, wet year. Dominant vegetation, Cyphostemma currorii (Hook.f.) Desc. and Ozoroa crassinervia (Engl.) R. Fern & A. Fern. Rocky slopes, habitat of Brandbergia haringtoni Prendini, 2003, Lisposoma elegans Lawrence, 1928, Hadogenes tityrus (Simon, 1888), and Uroplectes planimanus (Karsch, 1879). Woody vegetation, habitat of Uroplectes otjimbinguensis (Karsch, 1879).
Fig. 8 in Scorpions of the Brandberg Massif, Namibia: Species richness inversely correlated with altitude
Fig. 8. Brandberg Massif (Namibia), Wasserfallfläche, plateau on summit of Massif, facing southwest, wet year. Dominant vegetation, Boscia albitrunca (Burch.) Gilg & Gilg-Ben., Cyphostemma currorii (Hook.f.) Desc. and Euphorbia sp. Rocky flats and slopes, habitat of Lisposoma elegans Lawrence, 1928, Hadogenes tityrus (Simon, 1888) and Uroplectes planimanus (Karsch, 1879). Sandy flats, habitat of Parabuthus brevimanus (Thorell, 1876) and Opistophthalmus carinatus (Peters, 1861). Woody vegetation, habitat of Uroplectes otjimbinguensis (Karsch, 1879).
Experimental introgression in Drosophila: Asymmetric postzygotic isolation associated with chromosomal inversions and an incompatibility locus on the X chromosome
<p>Interspecific gene flow (introgression) is an important source of new genetic variation, but selection against it can reinforce reproductive barriers between interbreeding species. We used an experimental approach to trace the role of chromosomal inversions and incompatibility genes in preventing introgression between two partly sympatric <em>Drosophila virilis</em> group species, <em>D. flavomontana </em>and<em> D. montana</em>. We backcrossed F<sub>1</sub> hybrid females from a cross between <em>D. flavomontana female </em>and<em> D. montana </em>male with the males of the parental species for two generations and sequenced pools of parental strains and their reciprocal 2<sup>nd</sup> generation backcross (BC<sub>2</sub>mon and BC<sub>2</sub>fla) females. Contrasting the observed amount of introgression (mean hybrid index, HI) in BC<sub>2</sub> female pools along the genome to simulations under different scenarios allowed us to identify chromosomal regions of restricted and increased introgression. We found no deviation from the HI expected under a neutral null model for any chromosome for the BC<sub>2</sub>mon pool, suggesting no evidence for genetic incompatibilities in backcrosses towards <em>D. montana</em>. In contrast, the BC<sub>2</sub>fla pool showed high variation in the observed HI between different chromosomes, and massive reduction of introgression on the X chromosome (large X-effect). We find that this observation is compatible with reduced recombination combined with at least one dominant incompatibility locus residing within the X inversion(s). Overall, our study suggests that genetic incompatibilities arising within chromosomal inversions can play an important role in speciation.</p>
Inverse Design of Nanophotonic Solid-State Quantum Emitter Single-photon Sources: Data
<p>Data regarding the results presented in the paper "Inverse Design of Nanophotonic Solid-State Quantum Emitter Single-photon Sources".</p>
Machine Learning Models for Surface Wave Dispersion Curve Inversion using Mixture Density Networks
<p>Machine learning (ML) approach for dispersion curve inversion using mixture density networks (MDN) based on Keil and Wassermann (2023).</p> <p>The ML approach presented here allows the simultaneous estimation of layer numbers, layer depth and a complete probability distribution of the S-wave velocity structure in the upper 100 m. This is achieved by a two-step ML approach, where 1) a regular NN classifies the number of layers within the upper 100 m of the subsurface and 2) individual trained mixture density networks output the depth estimates together with a fully probabilistic solution of the S-wave velocity structure. We trained the model to distinguish structures with 2 - 7 subsurface layers.</p> <p>The trained classification NN and the individual MDNs are located in the folder ./trained_models.<br> With the jupyter notebook Prediction.ipynb the dispersion curve inversion can be performed using the already trained ML models.<br> With the jupyter notebooks Training-MDN.ipynb and Training-classification.ipynb the models can be trained on new data.<br> The code for the set-up of the MDN is based on Earp et al. (2020).</p> <p> </p> <p>More details and updates on the code can be found on: <a href="https://github.com/SabrinaKeil/MDN_Inversion">https://github.com/SabrinaKeil/MDN_Inversion</a> </p>
Air-Sea fluxes of CO2 in the Indian Ocean between 1985 and 2018: A synthesis based on Observation-based surface CO2, hindcast and atmospheric inversion models.
<p>This data set contains 14 hindcast models (CCSM-WHOI.nc, CESC_ETHZ.nc, CNRM-ESM2-1.nc, EC_Earth3.nc, FESOM_REcoM_LR.nc, MOM6_Princeton.nc, MPIOM_HAMOCC.nc; MRI-ESM2-1.nc, NorESM-OC1.2.nc, ORCA1-LIM3-PISCES.nc, ORCA025-EOMAR.nc, Plankotom12, INCOIS-BIO-ROMS.nc, ROMS-NYUAD.nc), nine empirical models (CMEMS-LSCE-FFNN.nc, CSIRML6.nc, Jena-MLS.nc, JMAMLR.nc, Spco2_LDEO_HPD.nc, SOMFNN.nc, NIES-MLR3.nc, UOEX-WAT20.nc, OceanSODAETHZ.nc) and CO2 flux climatology data (CO2_Climatology.nc). This data set also has two atmospheric inversion models output and those are - MACTM (MACTM.nc) and CAMSv20r1 (CMSv20r1.zip format and inside the zip folder files are .nc format).</p>
Figure 2 in Sex inversion in cultivated mussels Mytilus galloprovincialis Lam. (Crimea, Black Sea) under influence of external environmental factors
Figure 2. Sex inversion in females of the cultivated mussel M. galloprovincialis after a one-month-long laboratory experiment and three-months-long conditioning at the mussel-and-oyster farm, 2016–2017.
Martian crustal models at the InSight landing site from joint inversion of ellipticity, P-to-s RFs and autocorrelations times
<p>- Preferred models resulting from the joint inversion of three local-scale measurements: Rayleigh-wave ellipticity, P-to-s Receiver functions (Joshi et al., 2023) and P-wave lag times from autocorrelation (Schimmel et al., 2021).</p> <p>- Scripts and observables to perform joint inversion.</p>
Datasets for "Inverse cascading for initial MHD turbulence spectra between Saffman and Batchelor"
<pre>This directory contains an index.html file with links to the run directories and idl plotting routines with secondary data for the other figures for the paper "Inverse cascading for initial MHD turbulence spectra between Saffman and Batchelor". If anything turns out to be incomplete, please email brandenb@nordita.org.</pre>
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Allen Brain Atlas
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