Essays about: "morfometrisk"

Found 4 essays containing the word morfometrisk.

  1. 1. Morphological variation in the hadrosauroid dentary

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Fredrik Söderblom; [2017]
    Keywords : Hadrosauroidea; dentary; morphometric; heterochrony; peramorphosis; mastication; Hadrosauroidea; dentärben; morfometrisk; heterokroni; peramorfos; tugga;

    Abstract : The near global success reached by hadrosaurid dinosaurs during the Cretaceous has been attributed to their ability to masticate (chew). This behavior is more commonly recognized as a mammalian adaptation and, as a result, its occurrence in a non-mammalian lineage should be accompanied with several evolutionary modifications associated with food collection and processing. READ MORE

  3. 2. Dynamics of Selachian (Shark) Dental Morphology During the Early Mesozoic

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Alexander Paxinos; [2017]
    Keywords : Early Mesozoic; Selachii; morphological disparity; geometric morphometrics; early radiation; Tidig Mesozoisk; Selachimorpha; morfologisk disparitet; geometrisk morfometri; tidig strålning;

    Abstract : The ancestors of all modern day sharks and rays (Neoselachii) may have appeared during the Late Palaeozoic, but their major diversification happened sometime during the Early Mesozoic. Taxonomic evidence places the first neoselachian diversification in the Early Jurassic. READ MORE

  4. 3. Charcoal Kiln Detection from LiDAR-derived Digital Elevation Models Combining Morphometric Classification and Image Processing Techniques

    University essay from Högskolan i Gävle/Samhällsbyggnad, GIS

    Author : Vaidutis Zutautas; [2017]
    Keywords : charcoal kilns; automatic feature extraction; LiDAR; morphometric classification; Hough Circle transfer; medžio anglies krosnis; automatinis objektų išgavimas; LiDAR; morformetrinė klasifikacija; Hough apskritimo transformacija; kolbottnar efter resmila; automatisk funktion extraktion; LiDAR; morfometrisk klassificering; Hough Circle överföring;

    Abstract : This paper describes a unique method for the semi-automatic detection of historic charcoal production sites in LiDAR-derived digital elevation models. Intensified iron production in the early 17th century has remarkably influenced ways of how the land in Sweden was managed. READ MORE

  5. 4. Study of the Taxonomy and the Inter and Intra Specific Variability of Phacopidae from the Lower Devonian of Algeria: Morphometric Approach and Meaning.

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Gauthier Hainaut; [2015]
    Keywords : Paleontology; Trilobite; Devonian; Biometry; Morphometry; Covariance;

    Abstract : An Algerian Phacopid fauna, described by Lemaître in 1952, is reexamined here. Species arereevaluated in order to be in agreement with modern taxonomy. To characterize the size and shape of our specimens, as well as inter- and intraspecific variations, a morphometric analysis was performed. Only holaspids were analyzed. READ MORE