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609 results for “morphometric analysis”
Supplementary material 11 from: Dehon M, Engel MS, Gérard M, Aytekin AM, Ghisbain G, Williams PH, Rasmont P, Michez D (2019) Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities. ZooKeys 891: 71-118. https://doi.org/10.3897/zookeys.891.36027
: Data type: statistical data
Supplementary material 8 from: Dehon M, Engel MS, Gérard M, Aytekin AM, Ghisbain G, Williams PH, Rasmont P, Michez D (2019) Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities. ZooKeys 891: 71-118. https://doi.org/10.3897/zookeys.891.36027
: Data type: statistical data
Figure 3 from: Dehon M, Engel MS, Gérard M, Aytekin AM, Ghisbain G, Williams PH, Rasmont P, Michez D (2019) Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities. ZooKeys 891: 71-118. https://doi.org/10.3897/zookeys.891.36027
Figure 3 Forewing drawings of the fossil bumble bees studied herein. Some forewings were mirrored to enable comparison across all specimens AOligobombus cuspidatus (mirrored) B Holotype of Calyptapis florissantensis (mirrored) CC. florissantensisDBombus (Paraelectrobombus) patriciae (mirrored) EB. (Mendacibombus) beskonakensisFB. (Cullumanobombus) trophonius (mirrored) GB. (Cullumanobombus) randeckensis (mirrored) HB. vetustusIB. (Cullumanobombus) pristinus (mirrored) JB. (Melanobombus) cerdanyensis.
Figure 2 from: Dehon M, Engel MS, Gérard M, Aytekin AM, Ghisbain G, Williams PH, Rasmont P, Michez D (2019) Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities. ZooKeys 891: 71-118. https://doi.org/10.3897/zookeys.891.36027
Figure 2 Representative fossil bumble bees ABombus (Cullumanobombus) trophonius (photograph by Jakup Prokop) BB. (Cullumanobombus) randeckensis (photograph by Torsten Wappler) CB. vetustus (photograph by Alexandr P. Rasnitsyn) DB. (Cullumanobombus) pristinus (photograph by Irene Zorn and Monika Brüggeman-Ledolter) EB. (Melanobombus) cerdanyensis (photograph by Thibaut De Meulemeester).
Figure 1 from: Dehon M, Engel MS, Gérard M, Aytekin AM, Ghisbain G, Williams PH, Rasmont P, Michez D (2019) Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities. ZooKeys 891: 71-118. https://doi.org/10.3897/zookeys.891.36027
Figure 1 Representative fossil bumble bees AOligobombus cuspidatus (photograph by Antropov et al. (2014)) B Holotype of Calyptapis florissantensis (photograph by Manuel Dehon) CC. florissantensis (photograph by Talia S. Karim) DBombus (Paraelectrobombus) patriciae (photograph by Gaëlle Doitteau) EB. (Mendacibombus) beskonakensis (photograph by Gaëlle Doitteau).
Figure 1 in Life cycle and morphometric analysis of nymphs of Cynodonmiris corpoicanus Ferreira & Barreto, 2013 (Hemiptera: Miridae)
Figure 1. Damage caused by Cynodonmiris corpoicanus in oat leaves / Daño causado por Cynodonmiris corpoicanus en hojas de avena.
Fig. 3 in Differentiation of Trichuris species eggs from non-human primates by geometric morphometric analysis
Fig. 3. Factor map corresponding to Trichuris sp. eggs derived from different host primate species: macaque (M. sylvanus), colobus (C. g. kikuyensis), grivets (C. aethiops) and the Brazza's monkey (C. neglectus) from zoos in Spain. Samples are projected onto the first (PC1, 61%) and second (PC2, 18%) principal components. Each group is represented by its perimeter. Circles represent the centroid in each community.
FIGURE 8 in The flat mite Tenuipalpus uvae De Leon (Acari: Tenuipalpidae): descriptions of all stages, ontogeny of setae and morphometric analysis
FIGURE 8. Tenuipalpus uvae De Leon. (Male, Bahia, LD): A. Leg I; B. Leg II; C. Leg III; D. Leg IV.
Morphometric Analysis of Coccolithophore genus Reticulofenestra during late Eocene to early Oligocene
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Data from: Studying developmental variation with Geometric Morphometric Image Analysis (GMIA)
The ways in which embryo development can vary across individuals of a population determine how genetic variation translates into adult phenotypic variation. The study of developmental variation has been hampered by the lack of quantitative methods for the joint analysis of embryo shape and the spatial distribution of cellular activity within the developing embryo geometry. By drawing from the strength of geometric morphometrics and pixel/voxel-based image analysis, we present a new approach for the biometric analysis of two-dimensional and three-dimensional embryonic images. Well-differentiated structures are described in terms of their shape, whereas structures with diffuse boundaries, such as emerging cell condensations or molecular gradients, are described as spatial patterns of intensities. We applied this approach to microscopic images of the tail fins of larval and juvenile rainbow trout. Inter-individual variation of shape and cell density was found highly spatially structured across the tail fin and temporally dynamic throughout the investigated period.
A morphometrics analysis of the widespread Triplaris americana (Polygonaceae)
<p><i>Triplaris</i> (Polygonaceae) is a genus of 18 species of fast-growing dioecious trees. <i>Triplaris</i> is widely distributed in the Neotropics, with a center of diversity in the western portion of the Amazon basin. The most recent revision of the genus was one of consolidation, lumping a large number of names into a small number of species concepts. One species in particular, <i>T. americana</i>, is presently an amalgamation of 15 historical taxonomic concepts. Moreover, as currently circumscribed, <i>T. americana</i> is morphologically variable and ranges over the whole of the Neotropics, despite the fact that most species in the genus have restricted geographic ranges. Given the recent taxonomic history of <i>Triplaris</i>, the infraspecific variation observed in <i>T. americana</i>, and the narrow endemism observed in most species of <i>Triplaris</i>, it is reasonable to question whether <i>T. americana</i>, as it is currently circumscribed, in fact constitutes a single species. This study examined the circumscription of <i>T. americana</i> using a morphological species concept, morphometrics, and hierarchical clustering. Hierarchical clustering revealed that the morphological variation present in 136 specimens of <i>T. americana</i> could be explained by dividing those specimens into two groups of plants. These groups however, could not be reliably distinguished morphologically. The distribution of values and morphologies among the various groups always overlapped. As a result, this work supports retaining <i>T. americana</i> as a single, widespread, and morphologically variable species.</p>
FIGURE 1 in Pinellia hunanensis (Araceae), a new species supported by morphometric analysis and DNA barcoding
FIGURE 1. Sketch map of East Asia, indicating distribution of Pinellia.
Figure 5 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group
Figure 5. Cluster analysis of average body shapes of examined taxa (Euclidean distance, UPGMA).
Figure 6 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group
Figure 6. Distribution of the species of the H. bodemeyeri species complex.
FIGURE 47 in Taxonomic revision and morphometric analysis of Meteorus Haliday, 1835 (Hymenoptera: Braconidae: Meteorinae) from Colombia 2938
FIGURE 47. Altitudinal distribution of species richness.
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.
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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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