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690 results for “Geometric morphometric”
Data from: Effects of different segmentation methods on geometric morphometric data collection from primate skulls
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Pieris brassicae geometric morphometric data
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Evaluating the effects of parallax in archaeological geometric morphometric analyses
<p>Geometric morphometric dataset for Epipalaeolithic microliths. These files include the data used in the publication <em>Evaluating the effects of parallax in archaeological geometric morphometric analyses, </em>submitted to Archaeological and Anthropological Sciences, as well as the image files. </p>
Data from: Utility of geometric morphometrics for inferring feeding habit from mouthpart morphology in insects: tests with larval Carabidae (Insecta: Coleoptera)
Feeding habits are important life-history traits in animals; however, methods for their determination are not well established in many species. The larvae of the beetle family Carabidae are an example. The present study tested the utility of geometric morphometrics of mouthpart morphology to infer the feeding habits of carabid larvae. Using Pterostichus thunbergi as a model system, larval feeding habits were inferred using geometric morphometrics of mouthparts and the results were compared with those obtained from rearing experiments. The rearing experiments indicated that P. thunbergi larvae are carnivores that require snails as an essential part of the diet. Through geometric morphometrics, associations between mouthpart morphology and larval feeding habits were confirmed for species in which these two traits are known. A discriminant analysis using these associations classified P. thunbergi larvae as snail/slug feeders, which is a result compatible with the rearing experiments. Geometric morphometrics also revealed that morphological integration and ontogenetic shape change might play roles in the diversification of mouthpart morphology. Overall, these results demonstrate the utility of the geometric morphometrics of mouthparts to infer feeding habit and to clarify the mechanisms of mouthpart morphological diversification in the study group, and the results also serve as a basis for future studies of other insect groups.
Figure 2 from: Boroni NL, Lobo LS, Romano PSR, Lessa G (2017) Taxonomic identification using geometric morphometric approach and limited data: an example using the upper molars of two sympatric species of Calomys (Cricetidae: Rodentia). Zoologia 34: 1-11. https://doi.org/10.3897/zoologia.34.e19864
Figure 2 - Landmarks of the molar used in this study. For landmarks description, see text.
Figure 1 from: Boroni NL, Lobo LS, Romano PSR, Lessa G (2017) Taxonomic identification using geometric morphometric approach and limited data: an example using the upper molars of two sympatric species of Calomys (Cricetidae: Rodentia). Zoologia 34: 1-11. https://doi.org/10.3897/zoologia.34.e19864
Figure 1 - Map of Minas Gerais (Brazil), with the study location, municipality of Cordisburgo.
Fig. 1 in Revision of the genus complex Gibbula: an integrative approach to delineating the Eastern Mediterranean genera Gibbula Risso, 1826, Steromphala Gray, 1847, and Phorcus Risso, 1826 using DNA-barcoding and geometric morphometrics (Vetigastropoda, Trochoidea)
Fig. 1 Sampling sites for Mediterranean specimens of Steromphala and Phorcus species
Figure 9 from: Zhang M, Ruan Y, Wan X, Tong Y, Yang X, Bai M (2019) Geometric morphometric analysis of the pronotum and elytron in stag beetles: insight into its diversity and evolution. ZooKeys 833: 21-40. https://doi.org/10.3897/zookeys.833.26164
Figure 9 Species richness and morphological diversity of the elytron at the genus level.
Figure 8 from: Zhang M, Ruan Y, Wan X, Tong Y, Yang X, Bai M (2019) Geometric morphometric analysis of the pronotum and elytron in stag beetles: insight into its diversity and evolution. ZooKeys 833: 21-40. https://doi.org/10.3897/zookeys.833.26164
Figure 8 Species richness and morphological diversity of the pronotum at the genus level.
Figure 4 in Shape variation in head scales of species of the genus Ophiomorus DUMÉRIL & BIBRON, 1839 in Iran, a geometric morphometrics approach
Figure 4. Photography method and equipment.
Figure 2 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 2 - Distribution Map. A Distribution of Oreoderus. B Enlargement of Yunnan Province.
Figure 1 from: Guan K, Su J, Wang J, Yang Y (2015) Significance of hind wing morphology in distinguishing genera and species of cantharid beetles with a geometric morphometric analysis. ZooKeys 502: 11-25. https://doi.org/10.3897/zookeys.502.9191
Figure 1 - Hind wing of Lycocerus asperipennis showing digitizing landmarks.
Figure 2 from: Barour C, Baylac M (2016) Geometric morphometric discrimination of the three African honeybee subspecies Apis mellifera intermissa, A. m. sahariensis and A. m. capensis (Hymenoptera, Apidae): Fore wing and hind wing landmark configurations. Journal of Hymenoptera Research 52: 61-70. https://doi.org/10.3897/jhr.52.8787
Figure 2 - Box plots of the logarithm of wing centroid size for each subspecies of Apis mellifera.
Data from: Utility of geometric morphometrics for inferring feeding habit from mouthpart morphology in insects: tests with larval Carabidae (Insecta: Coleoptera)
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APPENDIX List of specimens used in the traditional morphometric (TM) and geometric morphometric (GM) analyses. Specimens in bold are type specimens in Systematics of West African Miniopterus with the description of a new species
APPENDIX List of specimens used in the traditional morphometric (TM) and geometric morphometric (GM) analyses. Specimens in bold are type specimens
Fig. 2 in A geometric morphometric approach for disparity of the sulcus acusticus of sagitta in species of Gerreidae (Teleostei: Perciformes)
Fig. 2 Sets of landmarks (LMs, black dots filled) and semi-landmarks (SLMs, black dots empty) designed to capture the shape of the sulcus acusticus from the 18 Gerreidae species sampled. The illustration is a vector graphic of a Diapterus auratus specimen (Chollet-Villalpando et al. 2019)
Fig. 3 in A geometric morphometric approach for disparity of the sulcus acusticus of sagitta in species of Gerreidae (Teleostei: Perciformes)
Fig. 3 Visualization of the variation of the morphospace volume occupied by genera in the Gerreidae. a–f Scatter plots of scores from PC1 vs. PC2 that represent the morphospace occupied by a Deckertichthys, with one species; b Diapterus (three spp.); c Eucinostomus (eight spp.); d Eugerres (four spp.); e Gerres (two spp.); f the complete set of 18 species analyzed in a single morphospace. Species are labeled as follows: filled black squares, Deckertichthys aureolus (Dau); empty black circles, Diapterus auratus (Da); gray equis, D. brevirostris (Db); black stars, D. rhombeus (Drh); gray plus, Eucinostomus argenteus (Ear); filled gray diamonds, E. currani (Ec);
Fig. 1 in Functional morphology of the cave bear (Ursus spelaeus) mandible: a 3D geometric morphometric analysis
Fig. 1 Phylogenetic tree of the family Ursidae as used in the present study, based on BinindaEmonds et al. (1999), Hofreiter et al. (2002) and Krause et al. (2008)
Fig. 6. The Bayesian 50 in Several Subspecies or Phenotypic Plasticity? A Geometric Morphometric and Molecular Analysis of Variability of the Mayan Cichlid Mayaheros urophthalmus in the Yucatan
Fig. 6. The Bayesian 50% majority rule tree of M. urophthalmus based on concatenated mitochondrial protein gene fragments (cytb and COI, 1677 bp). Bayesian posterior probability supports are shown at the bases of nodes.
Fig. 5 in Several Subspecies or Phenotypic Plasticity? A Geometric Morphometric and Molecular Analysis of Variability of the Mayan Cichlid Mayaheros urophthalmus in the Yucatan
Fig. 5. Topology of haplotypic relationships of 15 populations of the M. urophthalmus complex inferred at a network based on two concatenated mitochondrial protein gene fragments (cytb and COI, 1677 bp) and showing the north and south components.
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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.