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690 results for “Geometric morphometrics”
Fig. 10 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. 10 Steromphala varia (Linnaeus, 1758). a PCA plot of PC1 vs. PC3 of genus Steromphala. Steromphala varia (blue) separates from all other species. Specimens from this study overlap with the type material. b
Fig. 4 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. 4 Plot of first and third principal component of combined lateral and ventral landmark data from Phorcus and Steromphala individuals. A morphological separation of the two genera becomes apparent
Fig. 5 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. 5 Lectotype of Steromphala cineraria (Linnaeus, 1758). Located at LSL (LSL.502). Scale bar 5 mm
Fig. 2 Landmark templates for representative a lateral and b 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. 2 Landmark templates for representative a lateral and b ventral standardised views. Filled circles show fixed landmarks. Empty circles show semilandmarks, processed as sliding landmarks
Figure 4 in Geometric morphometrics of Aedes aegypti populations and study of transmission of arboviral diseases in Barreiras, Brazil
Figure 4 Graphical representation of wing shape comparison of different areas.(A) Diagrams of first canonical variable from the comparison (discriminant analysis) between A and B areas (considering the highway as a barrier). (B) Diagrams of first canonical variable from the comparison between A and C areas (considering the river as a barrier). (C) Diagrams of first canonical variable of the comparison between B and C areas (considering both, the highway and the river as barriers).
Figure 1 in Geometric morphometrics of Aedes aegypti populations and study of transmission of arboviral diseases in Barreiras, Brazil
Figure 1 Sampling strategy in the urban area of Barreiras, Bahia, Brazil. The city is crossed by the Federal BR-242 Highway and by the Rio Grande River. Collection areas A, B and C were defined according to anthropic (highway) and natural (river) barriers.
Figure 5 in Geometric morphometrics of Aedes aegypti populations and study of transmission of arboviral diseases in Barreiras, Brazil
Figure 5 Morphological space of 1st and 2nd canonical variates derived from wing shape comparison (discriminant analysis) among A, B and C areas. Contribution of each Canonical Variation is indicated between brackets. Red, blue and green dots represent populations of A, B and C areas, respectively.
Figure 7 in Chondrocranial differences in Bufotes variabilis (Anura: Bufonidae): geometric morphometric comparison with two anuran species
Figure 7. DFA results among three anuran species (B. variabilis, R. macrocnemis, and H. orientalis).
Figure 6 in Chondrocranial differences in Bufotes variabilis (Anura: Bufonidae): geometric morphometric comparison with two anuran species
Figure 6. Scatter plot of CVA among three species (B. variabilis, R. macrocnemis, and H. orientalis) and positive (right) and negative (left) curvature of landmarks on CV1.
Figure 2 in Chondrocranial differences in Bufotes variabilis (Anura: Bufonidae): geometric morphometric comparison with two anuran species
Figure 2. Larval chondrocranium in different species. A) B. variabilis, stage 31; B) R. macrocnemis, stage 29; C) H. orientalis, stage 34. ct, cornu trabeculae; lop, larval otic process; cqo, commissura quadratoorbitalis; sc, suprarostral cartilage.
Figure 1 in Chondrocranial differences in Bufotes variabilis (Anura: Bufonidae): geometric morphometric comparison with two anuran species
Figure 1. The suprarostral cartilages in different species. A) B. variabilis, stage 28; B) R. macrocnemis, stage 35; C) H. orientalis, stage 31. cc, central corpus; la, lateral ala.
Figure 3 in Chondrocranial differences in Bufotes variabilis (Anura: Bufonidae): geometric morphometric comparison with two anuran species
Figure 3. Hyobranchial skeleton in different species. A) B. variabilis, stage 45; B) R. macrocnemis, stage 46; C) H. orientalis, stage 44. alp, anterolateral process; c, corpus; h, hyale; plp, posterolateral process; pmp, posteromedial process.
Fig. 2 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example
Fig. 2. Benítez et al. (2015), representation of the 13 morphological landmarks identified in the forewings of Macaria mirthae.
Fig. 3 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example
Fig. 3. PCA analysis of the sexual shape dimorphism of Macaria mirthae: the figure shows the first two orthogonal PC components' axes that represent the shape space dimensions, also a decomposition of shape variation between sexes. *Each point represents a different shape.
Fig. 5 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example
Fig. 5. Multivariate regression of the wing shape on the wing centroid size of Macaria mirthae. Grey points represent female wings and black points represent male wings.
Fig. 1 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example
Fig. 1. Graphical scheme of the location of the two Valleys in Atacama Desert in the north of Chile.
Figure 6 in Discrimination of the sister hedgehog species Erinaceus concolor and E. roumanicus (Erinaceomorpha: Mammalia): a geometric morphometric approach
Figure 6. Multivariate regression analysis of shape variables vs centroid size of the dorsal cranium (closed circle: E. concolor, n = 39; open circle: E. roumanicus, n = 10).
Figure 4 in Discrimination of the sister hedgehog species Erinaceus concolor and E. roumanicus (Erinaceomorpha: Mammalia): a geometric morphometric approach
Figure 4. PCA scatter plot graphics showing the variations in the mandible (closed circle: E. concolor, n = 54; open circle: E. roumanicus, n = 14) with warped outline drawings describing shape changes along the PC1 axis for each species.
Figure 5 in Discrimination of the sister hedgehog species Erinaceus concolor and E. roumanicus (Erinaceomorpha: Mammalia): a geometric morphometric approach
Figure 5. Histograms of the crossvalidation results. a. Dorsal surface of crania, b. Right side of mandible. Red bars: E. concolor; blue bars: E. roumanicus.
Figure 3 in Shape variation in head scales of species of the genus Ophiomorus DUMÉRIL & BIBRON, 1839 in Iran, a geometric morphometrics approach
Figure 3. Photos of the species of the genus Ophiomorus in Iran: O. tridactylus (A), O. brevipes (B), O. nuchalis (C), O. persicus (D), O. blanfordii (E), and O. streeti (F).
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