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391 results for “Morphometry”
Figure 3 in Limitations of allometry, morphometry, and fluctuating asymmetry in detecting environmental stress caused by lead soil contamination in aphids under field conditions
Figure 3 Negative allometry represented by the allometric coefficients of both the antenna and tibia and their confidence intervals; the values are related to the body length ofBrevicoryne brassicae in the presence (Lead (Pb)) and absence (Control) of lead.
Figure 1 in Limitations of allometry, morphometry, and fluctuating asymmetry in detecting environmental stress caused by lead soil contamination in aphids under field conditions
Figure 1 Brevicoryne brassicae placed in a dorsal-ventral position for structure measurement. (a): Total body length (b): antenomer length (c): length of the posterior tibia. Source: the authors.
Figure 2 in Limitations of allometry, morphometry, and fluctuating asymmetry in detecting environmental stress caused by lead soil contamination in aphids under field conditions
Figure 2 Mean length and standard error of the antenna, tibia and body length of Brevicoryne brassicae in the presence (Lead (Pb)) and absence (Control) of lead.
Figure 2. a in Geographical variation in morphometry, craniometry, and diet of a mammalian species (Stone marten, Martes foina) using data mining
Figure 2. a) Silhouette measure for body size data. b) Silhouette measure for craniometrical data. c) Silhouette measure for dietary data.
Figure 3. a in Geographical variation in morphometry, craniometry, and diet of a mammalian species (Stone marten, Martes foina) using data mining
Figure 3. a) Cluster sizes for body size data. b) Cluster sizes for craniometrical data. c) Cluster sizes for dietary data.
Fig. 2 in Skull morphometry and vault sutures of Myrmecophaga tridactyla and Tamandua tetradactyla
Fig. 2. Results of Tamandua tetradactyla Linnaeus, 1758 principal component analysis: plot of the scores of principal component 1 and 2 extracted from variance-covariance matrix of all skull measurements of samples classified as suture closure level 0 (sQuare) and level 1(circle).
Fig. 1 in Skull morphometry and vault sutures of Myrmecophaga tridactyla and Tamandua tetradactyla
Fig. 1. Ventral and dorsal views of skull measurements of Tamandua tetradactyla (MZUSP 2463 ♀) used in morphometric analYses. The same procedure was used for Myrmecophaga tridactyla skulls. Cranial measurements used in this study: 1, orbital length (OL); 2, maxilla length (ML); 3, palatal width (PW); 4, pterygoids breadth (PtB); 5, inner nostril breadth (INB); 6, occipital condyle breadth (OCB); 7, foramen magnum diameter (FMD); 8, foramen magnum height (FH); 9, nasal length (NL); 10, nasal breadth (NB); 11, frontal length (FL); 12, skull length (SL); 13, posterior zygomatic arch breadth (ZB); 14, neurocranium length (NC); 15, parietal length (PL); 16, cranial breadth (CB); 17, Supraoccipital length (SOL); 18, cranial height (CH). Sutures analyzed: a, sagitalis; b, lambdoidea; c, coronalis; d, interfrontalis.
Fig. 2 in Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
Fig. 2. Schematic illustration of tooth and denticle measurements obtained for this study. Diagram is an outline of tooth specimen TMP 86.130.214. Denticles on tooth outline in lateral (A), basal (B), and enlarged (C) views, not to scale. For measurements, tooth is aligned so that the basal termination of enamel (broken line in A) is approximately horizontal. 1, fore−aft basal length (FABL); 2, tooth crown height (THEIGHT); 3, cross−sectional thickness (XSTHICK); 4, curvature (CURVATUR); 5, distance from the base of the mesial carina to the base of the tooth (DMCTOB); 6, denticle width (DW); 7, denticle height (DH).
Fig. 4. A in Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
Fig. 4. A. Ordination plot for PC I versus PC II for the teeth in jaws. B. Ordination plot for PC I versus PC III for the teeth in jaws. C. Ordination plot for PC II versus PC III for the teeth in jaws.
Fig. 1 in Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
Fig. 1. Longitudinal section through the crown of a small, broken, tyrannosaurid tooth (TMP 86.130.214, Judith River Group, Campanian, Alberta, Canada). The plane of the break resulted in the loss of the mesial carina, so only the distal carina is preserved on the tooth. A. Enlargement of the area outlined in B shows the enamel and the denticles. B. Photograh of the whole specimen showing dentine (light−colored area).
Fig. 3 in Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
Fig. 3. The five major types of teeth found in the tyrannosaurid jaw, Judith River Group, Campanian, Upper Cretaceous, Alberta, Canada. A. Premaxillary, TMP 65.26.3. B, C. Mesial maxillary, MM1 TMP 98.68.65 (B), MM2 TMP 66.31.36 (C). D. Distal maxillary, TMP 85.36.342. E, F. Mesial dentary, MD1 TMP 79.14.538 (E), MD2 TMP 89.79.4 (F). G. Distal dentary, TMP 97.12.43. Cross−sectional shape and location of carinae are as indicated, and are to scale relative to each other. Scale bars 10 mm.
Fig. 8 in Nematode morphometry and biomass patterns in relation to community characteristics and environmental variables in the Mekong Delta, Vietnam
Fig. 8. Regression model functions between nematode length and feeding types/biomass along the Mekong estuary ECC nematode length L and percentage of feeding types 1B and 2B (a); nematode densities of individual biomass and total biomass (b).
Fig. 7. Regression functions between the length and ratio L in Nematode morphometry and biomass patterns in relation to community characteristics and environmental variables in the Mekong Delta, Vietnam
Fig. 7. Regression functions between the length and ratio L/W with other characters (maturity index, feeding types) of nematodes at all stations. length L and genera richness S, maturity index MI (a); length L and percentage % of feeding type 1A and 2B (b); nematode width W with percentage of feeding type 2A (c); ratio L/W with the percentage of feeding type 2B (d).
Fig. 4 in Nematode morphometry and biomass patterns in relation to community characteristics and environmental variables in the Mekong Delta, Vietnam
Fig. 4. Nematode length (L) and width (W) at all mouth stations and along the Co Chien river estuary.
Fig. 3 in Nematode morphometry and biomass patterns in relation to community characteristics and environmental variables in the Mekong Delta, Vietnam
Fig. 3. Nitrite and nitrate concentrations (mean±SD; raw data multiplied by 10) and ammonium concentrations across a vertical sediment profile at the mouth of the Mekong delta (a), and along the Co Chien estuary (b).
Fig. 2 in Nematode morphometry and biomass patterns in relation to community characteristics and environmental variables in the Mekong Delta, Vietnam
Fig. 2. Chloroplastic Pigment Equivalents (mean CPE±SD; μg L−1) and chlorophyll a (mean±SD; μg L−1) at the mouth stations (a) and along the Co Chien estuary (b).
Fig. 1 in Nematode morphometry and biomass patterns in relation to community characteristics and environmental variables in the Mekong Delta, Vietnam
Fig. 1. Locations of sampling stations in the Co Chien estuary (ECC1 through ECC4) and at the mouth of Mekong Delta (from north to south, mouth stations ECT, ECD, EBL, EHL, ECH, EDA and ETD) in Vietnam.
Fig. 11 in Geographic Variation of Idiurus (Rodentia: Anomaluridae) with Emphasis on Skull Morphometry
Fig. 11. Bivariate plot of tail length versus total length in Idiurus macrotis (N 5 34) and I. zenkeri (N 5
Fig. 10 in Geographic Variation of Idiurus (Rodentia: Anomaluridae) with Emphasis on Skull Morphometry
Fig. 10. Dorsal and ventral views of crania of Idiurus zenkeri. From left to right: Eshobi, northwestern Cameroon (BMNH 48.885, holotype of haymani Verheyen, 1963); Yaounde´, southern Cameroon (ZMB 7993, holotype of zenkeri Matschie, 1894); La Maboke´, Central African Republic (MNHN 1966-1946); Kashewe, Democratic Republic of Congo (MRAC 30986).
Fig. 12 in Geographic Variation of Idiurus (Rodentia: Anomaluridae) with Emphasis on Skull Morphometry
Fig. 12. Study skin of the holotype of Idiurus zenkeri (ZMB 7993) showing the dark staining of the fleshy parts of the skin and the fur.
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