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690 results for “Geometric morphometrics”
FIGURE 1. The localities from where samples were collected. Locality 1 in A geometric morphometric evaluation on three populations of endemic species Dorcadion micans (Cerambycidae, Coleoptera) in Ankara Province from Turkey with a new subspecies description
FIGURE 1. The localities from where samples were collected. Locality 1: Population of Akyurt, Locality 2: Population of Beynam (Bala), Locality 3: Population of Tol village (Bala).
FIGURE 2 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 2. The locations of ten landmarks on a right wing of the C. canicularis group selected for geometric morphometric analysis.
FIGURE 6 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 6. Boxplot of centroid size of species of the C. canicularis group with the mean, standard error and standard deviation illustrating sexual size dimorphism.
FIGURE 5 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 5. Scatterplot of individual scores from the CVA showing shape differentiation between A) male, and B) female individuals of C. canicularis and C. himantopus. The amount of variation explained by each axis is in parentheses.
FIGURE 8 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 8. Thin-plate spline reconstruction representing negative and positive deformations of mean shape between genders along the CV1 axis. Deformation grids are exaggerated × 3. Numbers in the deformation grids refer to landmarks shown in figure 2.
FIGURE 1 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 1. Map of the Balkan Peninsula. Origin of the analysed populations: 1. Eastern Alps (Slovenia, SLO; E 13º30'–14º40', N 46º15'); 2. Fruška Gora Mt (Serbia, FG; E 19º50', N 45º10'); 3. Homoljske planine Mt (Serbia, HPL; E 21º55', N 44º22'); 4. Kopaonik Mt (Serbia, KOP; E 20º40', N 43º15'); 5. Durmitor Mt (Montenegro, DUR; E 19º00', N 43º11'); 6. Jahorina Mt (Bosnia and Herzegovina, BIH; E 18º35', N 43º43').
FIGURE 9 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 9. UPGMA phenogram based on the squared Mahalanobis distances of populations of the C. canicularis group.
FIGURE 7 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 7. Scatterplot of individual scores from the CVA showing shape differentiation between sexes of species of the C. canicularis group. The amount of variation explained by each axis is in parentheses.
FIGURE 3 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 3. Boxplot of centroid size of populations of the C. canicularis group with the mean, standard error and standard deviation illustrating intra- and interspecific variation in wing size.
FIGURE 4 in The Cheilosia canicularis group (Diptera: Syrphidae): species delimitation and evolutionary relationships based on wing geometric morphometrics
FIGURE 4. Scatterplot of individual scores from the CVA showing shape differentiation between species of the C. canicularis group. The amount of variation explained by each axis is in parentheses.
Figure 3 in The geometric morphometrics and condition of Pontic shad, Alosa immaculata (Pisces: Clupeidae) migrants to the Danube River
Figure 3. UPGMA (Unweighted Pair-Group Method with Arithmetic mean) tree derived from Procrustes distances for body shape. Procrustes distances were calculated between the mean shapes of the four defined groups that were analyzed.
Figure 1 in The geometric morphometrics and condition of Pontic shad, Alosa immaculata (Pisces: Clupeidae) migrants to the Danube River
Figure 1. Locations of the 16 landmarks, identified on the body form associated with skeletal features, used to characterize morphometric variation: (A) tip of premaxillary; (B) posterior termination of the hypural bones of the caudal skeleton; (C) nape of neck, posterior boundary of supraoccitipal bone; (D) anterior edge of the dorsal fin base; (E) posterior edge of the dorsal fin base; (F) origin of caudal fin, basal junction of dorsal-most caudal fin ray; (G) origin of caudal fin, basal junction of ventralmost caudal fin ray; (H) posterior edge of the anal fin base; (I) anterior edge of the anal fin base; (J) anterior edge of the pelvic fin base; (K) ventralmost point below of origin of the pectoral fin; (L) isthmus; (M) posteriormost point of the opercle; (N) posteriormost point of eye diameter; (O) anteriormost point of eye diameter; (P) posterior tip of upper jaw (Hood and Heins 2000; Kovac et al. 2006).
Figure 3 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group
Figure 3. Average landmark configuration and body shape of (A) Hydroporus anatolicus anatolicus; (B) H. anatolicus koksali ssp. nov.; (C) H. kurdistanicus sp. nov.; (D) H. bodemeyeri guignoti; (E) H. bodemeyeri bodemeyeri; (F) H. bodemeyeri cariaensis ssp. nov.; (G) H. cuprescens.
Figure 2 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group
Figure 2(A–L). Median lobe in lateral and ventral view of (A) Hydroporus anatolicus anatolicus; (C) H. anatolicus koksali ssp. nov.; (E) H. bodemeyeri bodemeyeri; (G) H. bodemeyeri cariaensis ssp. nov.; (H) H. bodemeyeri guignoti; (I) H. cuprescens; (K) H. kurdistanicus sp. nov. Paramere of (B) Hydroporus anatolicus anatolicus; (D) H. anatolicus koksali ssp. nov.; (F) H. bodemeyeri bodemeyeri; (J) H. cuprescens; (L) H. kurdistanicus sp. nov.
Figure 4 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group
Figure 4(A–C). Canonical variate analysis (CVA) on the specimen coordinates for body shape. Body shape variation along the first (x) and second (y) axis is depicted by superimposed extreme body shapes (black lines: negative sides of the axes; grey lines: positive sides of the axes). (A) all taxa examined; (B) group A: "anatolicus-kurdistanicus group"; (C) group B: the "bodemeyeri-cuprescens group".
Figure 1 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group
Figure 1. Location of the landmarks (black circles) and sliding semilandmarks (white circles) on the body of Hydroporus.
Figure 3 in Amplified fragment length polymorphisms, the evolution of the land snail genus Theba (Stylommatophora: Helicidae), and an objective approach for relating fossils to internal nodes of a phylogenetic tree using geometric morphometrics
Figure 3. Thin plate splines illustrating shape changes between selected nodes of the tree in Figure 4 based on weighted branch lengths.
Figure 4 in Amplified fragment length polymorphisms, the evolution of the land snail genus Theba (Stylommatophora: Helicidae), and an objective approach for relating fossils to internal nodes of a phylogenetic tree using geometric morphometrics
Figure 4. Reconstruction of shell shape and size based on weighted (above branches) and unweighted (below branches) branch lengths. The inset shows the tree shape based on COI sequence data evolved into the AFLP tree topology. Node numbers are in italic; size is expressed as centroid size; the colour of the centroid size values indicates shape changes.
Figure 6 in Species boundaries in Philaethria butterflies: an integrative taxonomic analysis based on genitalia ultrastructure, wing geometric morphometrics, DNA sequences, and amplified fragment length polymorphisms
Figure 6. Evolutionary relationships of Philaethria based on DNA sequences from specimens of Philaethria wernickei (southern population; Atlantic Rain Forest) and individuals previously described as Philaethria pygmalion (northern population; Amazon Forest), depicted by the green shading (grey in print version). Philaethria diatonica and Philaethria dido were used to root the tree. Purple (grey) circles represent individuals from the Atlantic Rain Forest and black triangles indicate samples from the Amazon Basin. A, consensus Bayesian tree based on mitochondrial (cytochrome oxidase subunit I, Co-I) and nuclear [triose-phosphate isomerase (Tpi), wingless (Wg), and tyrosine hydroxylase (TH)] DNA sequences. Posterior probabilities are shown above branches. Bootstrap node support based on maximum likelihood analysis is indicated below branches. Asterisks indicate node support lower than 70%. B, Median-joining network based on mtDNA and nuclear loci sequence data describing the relationship between haplotypes (purple indicates southern population, and black, northern population). Nucleotide substitutions are shown on the branches as small transverse bars. Circle size is proportional to haplotype frequency.
Figure 2 in Species boundaries in Philaethria butterflies: an integrative taxonomic analysis based on genitalia ultrastructure, wing geometric morphometrics, DNA sequences, and amplified fragment length polymorphisms
Figure 2. Location of linear measurements (A) and schematic representation (B, C) of Philaethria wings showing veins and landmarks adopted in this study. A, hind wing dorsal and ventral (detail) views, showing measured vectors. B, fore wing. C, hind wing. See Appendix S2 for details on morphological definitions of landmarks.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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