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609 results for “Morphometric analysis”
Figure 4 in A geometric morphometric approach to the analysis of the shape variability of the haptoral attachment structures of Ligophorus species (Platyhelminthes: Monogenea)
Figure 4. PCA of the size-invariant (A, C, E) and size-considered (B, D, F) harmonics of the dorsal (А, B) and ventral (C, D) anchors, and the ventral bars (E, F) of Ligophorus species. All graphs are based on fifty harmonics. Keys: dots – dorsal anchors; triangles – ventral anchors; rhombus – ventral bars.
Figure 2. A in A geometric morphometric approach to the analysis of the shape variability of the haptoral attachment structures of Ligophorus species (Platyhelminthes: Monogenea)
Figure 2. A After the automatic normalization, the outlines of anchors still have different orientation of the blades, different positions of the digitization starting point and directions of digitization; this affects the signs of the first harmonic components, which are shown in pink rectangle, and the signs of identical components differ. B, C After manual correction of the orientation of anchors (B) and bars (C), the outlines and signs of first harmonic components are identical.
Figure 3 in A geometric morphometric approach to the analysis of the shape variability of the haptoral attachment structures of Ligophorus species (Platyhelminthes: Monogenea)
Figure 3. PCA of the size-invariant (A, B) and the size-considered (C, D) harmonics of all dorsal and ventral anchors of analyzed Ligophorus species. Left graphs (A, C) are based on fifty harmonics; right graphs (B, D) – on four ones. Keys: dots – dorsal anchors; triangles – ventral anchors.
Figure 1. A in A geometric morphometric approach to the analysis of the shape variability of the haptoral attachment structures of Ligophorus species (Platyhelminthes: Monogenea)
Figure 1. A Ligophorus szidati dorsal (top) and ventral (bottom) anchors were outlined by cubic Bezier polylines and stored in SVG files. B ElFourier computer program converted digitized outlines into 50 EFDs. Only first four harmonics are visible at the screenshot's bottom; the negative components of harmonics are colored in light gray. The restored outline perfectly satisfies the shape of anchor (red line around gray anchor). At the left side used anchors are shown; they differ by orientation of blades and direction of digitization; outlines oriented counterclockwise are filled.
Fig. 1 in First report of Colotis amata (Lepidoptera: Pieridae) on Salvadora persica (Capparales: Salvadoraceae) in Rajasthan, India: incidence and morphometric analysis
Fig. 1. Aggregation of Colotis amata on a pilu plant (Salvadora persica) during the winter season at the ICAR Central Institute for Arid Horticulture, Bikaner, India.
Fig. 2 in First report of Colotis amata (Lepidoptera: Pieridae) on Salvadora persica (Capparales: Salvadoraceae) in Rajasthan, India: incidence and morphometric analysis
Fig. 2. Different developmental stages of Colotis amata. A, eggs; B, 1st instars; C, 2nd instar; D, 3rd instar; E, 4th instar; F, 5th instar; G, pupae; H, adult male; I, adult female.
Fig. 13 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 13. Phylogenetic analysis based on genetic sequence derived from cytochrome oxidase I (COI) gene of Donax spp. and other related species using the maximum likelihood (ML) method. The bootstrap values were calculated with 1000 replicates.
Fig. 11 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 11. Frequency distribution of Discriminant analysis of two overlapping populations, Donax (Deltachion) bruneirufi (grey) and D. (Deltachion) spinosus (white).
Fig. 12 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 12. Outline overlain, size-normalized average outline of each two species in discriminant analysis; Donax (Latona) solidus (white) and D. (Latona) cuneatus (grey) (A); D. (Latona) solidus (white) and D. (Latona) faba (grey area) (B); D. (Latona) cuneatus (white area) and Donax (Latona) faba (grey area) (C); D. (Deltachion) bruneirufi (white) and D. (Deltachion) spinosus (grey) (D). Arrows highlight distinct position from overlain shape of white area species extend from grey area species.
Fig. 14 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 14. The haplotype network analysis of six species based on COI sequences were constructed in shell morphology picture. Scale in 1 to 10 samples of available localities. The nucleotide diversity was calculated at 0.117006 and Number of segregating sites at 215. Number in parenthesis represents nucleotide substitution difference (A); Colour illustrations of collected Thai Donax species for molecular analysis of cytochrome c oxidase subunit I. Scale bar: B = 1 cm.
Fig. 10 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 10. CVA of EFA coefficients and mean shape outline from three overlapping species of subgenus Deltachion, small size group. Within each species, the specimen is enclosed by a convex hull polygon.
Fig. 6 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 6. Scatterplot of shape, represent by PC I score (y-axis) per centroid size (x-axis) of eight Donax species.
Fig. 8 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 8. CVA of EFA coefficients and mean shape outline from three overlapping species from subgenus Latona, large size species group. Within each species, the specimens are enclosed by a convex hull polygon.
Fig. 7 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 7. CVA of EFA coefficients and mean shape outline from seven species under same group. Within each species, the specimen is enclosed by a convex hull polygon. Separation on the first two canonical analysis axes.
Fig. 5 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 5. Plot graph of PCA scores of EF coefficient, circle represent 95 percent confidence ellipses.
Fig. 3 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 3. Box-plot Mean and SE of Size Frequency, Kruskal-Wallis test, non-parametric ANOVA, of eight Donacid valid species. 1: Donax (Latona) cuneatus; 2: D. (Latona) solidus; 3: D. (Latona) faba; 4: D. (Dentilatona) incarnatus; 5: D. (Deltachion) spinosus; 6: D. (Deltachion) bruneirufi; 7: D. (Deltachion) semisulcatus semisulcatus; 8: D. (Hecuba) scortum. Double asterisks (**) highly significant at p ≤ 0.01. In square box means centroid size in group is not significantly different at p> 0.05 under Mann-Whitney pairwise comparisons.
Fig. 4. Mean outline shape constructed from 10 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 4. Mean outline shape constructed from 10 harmonics of elliptic Fourier analysis of eight Donax species from Thai waters: Donax (Latona) cuneatus (A), D. (Latona) solidus (B), D. (Latona) faba (C), D. (Deltachion) spinosus (D), D. (Dentilatona) incarnatus (E), D. (Deltachion) bruneirufi (F), D. (Deltachion) semisulcatus semisulcatus (G) and D. (Hecuba) scortum (H).
Fig. 1 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 1. The relative distribution (%) of eight Donax species along the coastline show the sampling location and the distribution pattern.
Fig. 9 in Fig. 2. 60 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 9. Venn diagram showing the number of shared operational taxonomic units (OTUs) among adult, subadult, and juvenile Asian elephants at 97% similarity.
Fig. 8 in Fig. 2. 60 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 8. Venn diagram showing the number of shared operational taxonomic units (OTUs) between male and female Asian elephants at 97% similarity.
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OpenNeuro
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