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2 edition of Morphometric variation among some leporids (Mammalia: Lagomorpha) of North America found in the catalog.

Morphometric variation among some leporids (Mammalia: Lagomorpha) of North America

Colleen N. Ramos

Morphometric variation among some leporids (Mammalia: Lagomorpha) of North America

by Colleen N. Ramos

  • 195 Want to read
  • 16 Currently reading

Published by Denver Museum of Natural History in Denver, Colo .
Written in English

    Subjects:
  • Leporidae.,
  • Lagomorpha.

  • Edition Notes

    StatementColleen N. Ramos.
    SeriesProceedings of the Denver Museum of Natural History -- ser. 3, no. 16
    ContributionsDenver Museum of Natural History.
    The Physical Object
    Pagination12 p. :
    Number of Pages12
    ID Numbers
    Open LibraryOL18621257M

    Variation in morphometric characters in four sand crab (Albunea symmysta) populations from four intertidal areas in Sumatra (Aceh and Bengkulu) and Java (Cilacap and Yogyakarta) were collected from the four sites were measured to obtain 10 morphometric characters, i.e., carapace length (CL), carapace width (CW), ocular peduncle length and width (LOP and WOP), telson length and. Comparisons among the leporids are more mixed. Lepus californicus has significantly lower AMA than S. bachmani for triceps brachii and quadriceps femoris, and lower AMA for triceps surae (although this last comparison did not reach statistical significance; adjusted P = ).

    Morphological variation of 20 metric characters among 38 samples, examined using multiple discriminant function analysis, could partially resolve partitioning among populations but specimens from. Among a total of 60 morphometric relationships, 27 isometries, 25 positive allometries and 8 negative allometries were registered. The morphometric indices displayed a remarkable variation among taxa, reflecting the high morphological diversity of these miscellaneous bivalve species.

    morphometric measurements and eight meristic counts. The Principal Component Analysis and the Discriminant function Analysis were used in order to determine morphological difference and relationship between the species of Chrysichthys. Average of coefficient of variation of morphometric was lower (CV.   This book aims to explain how to use R to perform morphometrics. Morpho- tric analysis is the study of shape and size variations and covariations and their covariations with other variables. Morphometrics is thus deeply rooted within stat- tical sciences. While most applications concern biology, morphometrics is becoming common tools used in archeological, palaeontological, geographical, or.


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Morphometric variation among some leporids (Mammalia: Lagomorpha) of North America by Colleen N. Ramos Download PDF EPUB FB2

The primary axis of leporid morphospace (PC1) characterizes a major portion of overall cranial shape variation among extant leporids (Fig. 4, %), and though several trait changes load strongly on that axis, this is the only PC axis that clearly highlights changes in both dorsal arching and facial tilt.

We also show that facial tilt angle Cited by: 6. Leporids are found on every continent except Antarctica, from the high arctic to dry, hot deserts (Chapman & Flux, ; Chapman & Flux, ). Some leporids are nocturnal, some are social, and some live in dense cover as opposed to the open plains often associated with these animals (Stoner, Bininda-Emonds & Caro, ).Cited by: 8.

This book aims to explain how to use R to perform morphometrics. Morpho- tric analysis is the study of shape and size variations and covariations and their covariations with other variables. Morphometrics is thus deeply rooted within stat- tical by: Some observations relative to hybrids and intergradation Figgins, J.D.

J 1 5 2 Some observations relative to meteorological Influences Morphometric variation among some leporids (Mammalia: Lagomorpha) of North America Ramos, C.N. J 4 1. Check skull morphometric variation within species Lepus europaeus in the western provinces of Iran Article (PDF Available) October with Reads How we measure 'reads'.

Morphometrics is one of the most dynamic and popular fields on the contemporary biological scene. Focusing, as it does, on the quantitative characterization and analysis of morphological data, students increasingly see morphometrics as a necessary complement to molecular studies in their quests to understand the origin and maintenance of biodiversity.

Accurate morphological description of species has essential implications in field identification and cladistics. Pangolins (Mammalia: Pholidota) are c.

morphometric analysis of character variation and taxonomic discrimination among a complex of species of the genus cinara (homoptera: aphidoidea: lachnidae) b y robert george foottitsimon fraser university thesis submitted in partial fulfillment of the requirements for the degree of doctor of philosophy in the department.

Geometric morphometric analysis. All non-shape related variation in scale effects, orientation, and translation were removed from the dataset by means of a Generalised Procrustes analysis (GPA) (Adams et al., ; Slice, ) until its position minimized the shape difference between specimens based on unbending energy (Haas, ).In this method, landmark configurations are superimposed by.

Sex estimation is the keystone for positive identification when an unidentified human body is recovered in forensic contexts. However, in complex deat. Morphometrics (from Greek μορϕή morphe, "shape, form", and -μετρία metria, "measurement") or morphometry refers to the quantitative analysis of form, a concept that encompasses size and metric analyses are commonly performed on organisms, and are useful in analyzing their fossil record, the impact of mutations on shape, developmental changes in form, covariances between.

Puma concolor is currently widespread in South America, but its fossil record is still poorly known in the Continent, particularly in Brazil. Here we. Calcifying marine green algae of genus Halimeda have siphonous thalli composed of repeated segments. Their outer surface is formed by laterally appressed peripheral utricles which often form a honeycomb structure, typically with varying degrees of asymmetry in the individual polygons.

This study is focused on a morphometric analysis of the size and symmetry of these polygons in Mediterranean H. Leporidae R p3 — — 2N 2E E Half Cemented Level Leporidae R p3 — 1N E cmbd 1 Ochotona sp. L p3 1N 3E cmbd; Wall Collapse. There are some report on feeding (Ara et al.,and a) and some on composition (Ara et al., b) from the study areas.

However, most previous works on the morphometric and meristic variation were among species level of fish (Daud et al., ; Quilang et al., ) and shrimp (Amin et al., ). The one way ANOVA test is used by. Results of geometric morphometric analysis indicated significantly morphological variation in body shape among three morphotypes based on 18 landmarks.

Principal component analysis (PCA) showed that the cumulative contribution rate of the first five principal components were %. Some variation in the count of branched and unbranched fin rays have been observed.

However positive correlation has been observed between total length and external body parts. The cause of variation in the morphometric and meristic characters may range from variability among them are essential for taxonomic work (Narejo, ) [12].

Morphometric maps of the terminal airway can be computed from D L and D T maps using the phenomenological model of Sukstanskii et al. [56]. Fig. shows representative 2D coronal projection Xe morphometric maps for R, r, h, and L m computed using the cylinder model [58], for both a representative healthy rat (Fig.

A) as well as a rat 2-weeks postirradiation (Fig. A detailed study using morphometric and meristic analyses of T. chatareus and T. jaculatrix, or any toxotid, has not been documented in Malaysia or elsewhere.

Interspecies variation among fishes and other aquatic animals based on morphometric analyses are common (Luthy et al., ; Conde-Padín et al., ; Sin et al., ).

This book aims to explain how to use R to perform morphometrics. Morpho- tric analysis is the study of shape and size variations and covariations and their covariations with other variables. Morphometrics is thus deeply rooted within stat- tical sciences.

While most applications concern biology. Allometric Equation Femur Length Morphometric Character Morphometric Variation Body Size Variation These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Anisakiasis or anisakiosis is a human parasitic infection caused by the third-stage larvae (L3) of nematodes of the genus Anisakis, although the term .Geometric morphometric analyses of leaf variation in four oak species of subgenus Quercus (Fagaceae) Article (PDF Available) in Plant Biosystems (3)– November with .