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74 results for “multivariate morphometrics”
Figure 5 in Geometric and traditional morphometrics for the assessment of character state identity: multivariate statistical analyses of character variation in the genus Arrenurus (Acari, Hydrachnidia, Arrenuridae)
Figure 5. Interlandmark distances (1–36) collected in dorsal (A, B) and posterior (C) views: (A) measurements 1–13 assembled for the idiosoma (distance set 1; (B) distances 14–28 measured between postocularia R2 and dorsoglandularia D2, D3, and D4 (distance set 2); (C) measurements 29–36 between ventroglandularia V1, V2, and V3 (distance set 3). Lines indicate the interlandmark distances sampled and numbers identify each distance, as listed in Table 3. Numbers with asterisks label distances for which the mean was calculated with the measurements of left and right idiosoma sides.
Figure 1 in Geometric and traditional morphometrics for the assessment of character state identity: multivariate statistical analyses of character variation in the genus Arrenurus (Acari, Hydrachnidia, Arrenuridae)
Figure 1. Species of Arrenurus (Megaluracarus) included in the morphometric analyses, in dorsal view: (A) Arrenurus anae; (B) Arrenurus colitus; (C) Arrenurus neoexpansus; (D) Arrenurus zitavus; (E) Arrenurus maya; (F) Arrenurus catoi; (G) Arrenurus tabascoensis; (H) Arrenurus anitahoffmannae; (I) Arrenurus urbanus; (J) Arrenurus olmeca; (K) Arrenurus costeroae. The pairs of postocularia R2 and dorsoglandularia D2, D3, and D4 in (F) are indicated with arrows pointing at gland openings and setae insertions. Scale bars: 100 µm.
Figure 9 in Geometric and traditional morphometrics for the assessment of character state identity: multivariate statistical analyses of character variation in the genus Arrenurus (Acari, Hydrachnidia, Arrenuridae)
Figure 9. Shape variation of dorsoglandularia D4 in dorsal view (data set 4). (A) scatter plot of canonical variate scores (root 1 vs. root 2). (B) overall pattern of shape similarity among 11 Megaluracarus species and two Dadayella species based on Mahalanobis distances computed from the canonical variate analysis. This UPGMA phenogram (unweightedpair grouping method using averages) groups the three character states discovered in the dorsoglandularia. Branches are labelled according to discrimination order defined by the canonical variates. Symbols in the plot and in the phenogram are as listed in Fig. 8.
Figure 10 in Geometric and traditional morphometrics for the assessment of character state identity: multivariate statistical analyses of character variation in the genus Arrenurus (Acari, Hydrachnidia, Arrenuridae)
Figure 10. Shape variation of ventroglandularia V1, V2 and V3 (data set 5). (A) scatter plot of canonical variate scores (root 1 vs. root 2); shape changes relative to the mean shape are shown for both roots. (B) overall pattern of shape similarity among 11 Megaluracarus species and two Dadayella species based on Mahalanobis distances computed from the canonical variate analysis. This UPGMA phenogram (unweighted-pair grouping method using averages) groups the nine character states discovered in the distribution patterns of ventroglandularia. Branches are labelled according to discrimination order defined by the canonical variates. Symbols in the plot and in the phenogram are as follows: solid green triangles, Arrenurus (Dadayella) adrianae; solid red rhombuses, Dadayella aztecus; lilac en-dashes, Arrenurus (Megaluracarus) anae; open blue circles, Megaluracarus anitahoffmannae; horizontal blue lines, Megaluracarus catoi; open red squares, Megaluracarus colitus; solid grey squares, Megaluracarus costeroae; open green rhombuses, Megaluracarus maya; solid black circles, Megaluracarus neoexpansus; blue asterisks, Megaluracarus olmeca; green hyphens, Megaluracarus tabascoensis; open pink triangles, Megaluracarus urbanus; purple plus signs, Megaluracarus zitavus.
Figure 3 in Geometric and traditional morphometrics for the assessment of character state identity: multivariate statistical analyses of character variation in the genus Arrenurus (Acari, Hydrachnidia, Arrenuridae)
Figure 3. Two Arrenurus (Dadayella) species included for comparison with the 11 species of Arrenurus (Megaluracarus) in the morphometric analyses: (A, B) Dadayella adrianae in dorsal and posterior view, respectively; (C, D) Dadayella aztecus in dorsal and posterior view, respectively. The arrows in (C) and (D) are as described in Figs 1F and 2F, respectively. Scale bars: 100 µm.
Figure 1 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 1. Pseudonaja aspidorhyncha (SAMA R18600), dorsal perspective of head (left); P. mengdeni (SAMA R20981), dorsal perspective of head (right); see Table 1 for abbreviations.
Figure 10 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 10. Geographical distribution of Pseudonaja affinis specimens examined in this study (closed circles) and/or included in Skinner et al.'s (2005) phylogenetic analysis (open circles represent specimens not included in the morphometric analyses). Codes for geographical groups correspond with those in Table 2.
Figure 4 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 4. Pseudonaja nuchalis (SAMA R58381), ventral perspective of head; see Table 1 for abbreviations.
Figure 3 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 3. Pseudonaja affinis (SAMA R15900A), anterior perspective of head; see Table 1 for abbreviations.
Figure 8 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 8. Plots of scores for first and second, and second and third canonical roots extracted in a discriminant function analysis including male P. affinis, P. nuchalis 'Darwin', P. nuchalis 'Orange with black head'-'Pale head, grey nape' and P. nuchalis 'Southern' clade group specimens.
Figure 4 from: Egan AN (2015) Species delimitation and recognition in the Pediomelum megalanthum complex (Fabaceae) via multivariate morphometrics. PhytoKeys 44: 65-87. https://doi.org/10.3897/phytokeys.44.8750
Figure 4 - Principal component analysis ordination diagram for A) PCA2 and B) PCA3. m Pediomelum mephiticum, v Pediomelum verdiense, p Pediomelum pauperitense, ● Pediomelum megalanthum var. megalanthum, + Pediomelum megalanthum var. retrorsum. Principal component scale on the left and bottom; unrotated factor loading scale on the top and right. Exact loading matrix vector lengths are listed in Table 5.
Figure 2 from: Egan AN (2015) Species delimitation and recognition in the Pediomelum megalanthum complex (Fabaceae) via multivariate morphometrics. PhytoKeys 44: 65-87. https://doi.org/10.3897/phytokeys.44.8750
Figure 2 - Dendrogram using Ward's cluster analysis for Pediomelum mephiticum, Pediomelum verdiense, and Pediomelum pauperitense.
Figure 3 from: Egan AN (2015) Species delimitation and recognition in the Pediomelum megalanthum complex (Fabaceae) via multivariate morphometrics. PhytoKeys 44: 65-87. https://doi.org/10.3897/phytokeys.44.8750
Figure 3 - Principal component analysis ordination diagram incorporating all specimens with symbols according to initial identifications. m Pediomelum mephiticum, v Pediomelum verdiense, p Pediomelum pauperitense, ● Pediomelum megalanthum var. megalanthum, + Pediomelum megalanthum var. retrorsum. Principal component scale on the left and bottom; unrotated factor loading scale on the top and right. Exact loading matrix vector lengths are listed in Table 5.
Figure 6 from: Egan AN (2015) Species delimitation and recognition in the Pediomelum megalanthum complex (Fabaceae) via multivariate morphometrics. PhytoKeys 44: 65-87. https://doi.org/10.3897/phytokeys.44.8750
Figure 6 - Scatterplot and linear regression of key distinguishing character traits for the MVP group. Fit of A) peduncle by calyx tube and B) bracts by flower sizes for Pediomelum mephiticum (m, blue color), Pediomelum verdiense (v, green color), and Pediomelum pauperitense (p, red color). All measurements in mm. Line is regression by taxon with accompanying 95% confidence band shaded.
Figure 5 from: Egan AN (2015) Species delimitation and recognition in the Pediomelum megalanthum complex (Fabaceae) via multivariate morphometrics. PhytoKeys 44: 65-87. https://doi.org/10.3897/phytokeys.44.8750
Figure 5 - Canonical plot of points and means from linear discriminant analysis of all species by all characters with groups defined as: m Pediomelum mephiticum, v Pediomelum verdiense, p Pediomelum pauperitense, ● Pediomelum megalanthum var. megalanthum, + Pediomelum megalanthum var. retrorsum. Inner circles by group are the 95% confidence region for containing the true overall mean of the group; the outer circles by group are the normal 50% contours, the normal ellipse region that contains 50% of the population for each group. Rays show the coordinate directions in canonical space.
Figure 9 from: Rakotonirina JC, Csősz S, Fisher BL (2016) Revision of the Malagasy Camponotus edmondi species group (Hymenoptera, Formicidae, Formicinae): integrating qualitative morphology and multivariate morphometric analysis. ZooKeys 572: 81-154. https://doi.org/10.3897/zookeys.572.7177
Figure 9 - Mesosoma in dorsal view. A Camponotus androy (CASENT0453723) B Camponotus bevohitra (CASENT0437238).
Figure 6 from: Rakotonirina JC, Csősz S, Fisher BL (2016) Revision of the Malagasy Camponotus edmondi species group (Hymenoptera, Formicidae, Formicinae): integrating qualitative morphology and multivariate morphometric analysis. ZooKeys 572: 81-154. https://doi.org/10.3897/zookeys.572.7177
Figure 6 - Individual minor worker in profile. A Camponotus ethicus (CASENT0409948) B Camponotus alamaina (CASENT0499291).
Figure 8 from: Rakotonirina JC, Csősz S, Fisher BL (2016) Revision of the Malagasy Camponotus edmondi species group (Hymenoptera, Formicidae, Formicinae): integrating qualitative morphology and multivariate morphometric analysis. ZooKeys 572: 81-154. https://doi.org/10.3897/zookeys.572.7177
Figure 8 - Mesosoma in lateral view. A Camponotus alamaina (CASENT0499291) B Camponotus androy (CASENT0453723).
Figure 7 from: Rakotonirina JC, Csősz S, Fisher BL (2016) Revision of the Malagasy Camponotus edmondi species group (Hymenoptera, Formicidae, Formicinae): integrating qualitative morphology and multivariate morphometric analysis. ZooKeys 572: 81-154. https://doi.org/10.3897/zookeys.572.7177
Figure 7 - Lateral view of mesosoma. A Camponotus ethicus (CASENT0409949) B Camponotus robustus (CASENT0066723).
Figure 5 from: Rakotonirina JC, Csősz S, Fisher BL (2016) Revision of the Malagasy Camponotus edmondi species group (Hymenoptera, Formicidae, Formicinae): integrating qualitative morphology and multivariate morphometric analysis. ZooKeys 572: 81-154. https://doi.org/10.3897/zookeys.572.7177
Figure 5 - Mesosoma and petiolar node in profile. A Camponotus alamaina (CASENT0499291) B Camponotus zavo (CASENT0060041).
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