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Université de Fribourg

Application of the Socio-Economic Impact Classification for Alien Taxa (SEICAT) to a global assessment of alien bird impacts

Evans, Thomas ; Blackburn, Tim M. ; Jeschke, Jonathan M. ; Probert, Anna F. ; Bacher, Sven

In: NeoBiota, 2020, vol. 62, p. 123–142

We use a recently proposed framework, the Socio-Economic Impact Classification for Alien Taxa (SEICAT) to undertake the first global assessment of the impacts of alien birds on human well-being. A review of the published literature and online resources was undertaken to collate information on the reported socio-economic impacts of 415 bird species with self-sustaining alien populations...

Université de Fribourg

Birds have peramorphic skulls, too: anatomical network analyses reveal oppositional heterochronies in avian skull evolution

Plateau, Olivia ; Foth, Christian

In: Communications Biology, 2020, vol. 3, no. 1, p. 195

In contrast to the vast majority of reptiles, the skulls of adult crown birds are characterized by a high degree of integration due to bone fusion, e.g., an ontogenetic event generating a net reduction in the number of bones. To understand this process in an evolutionary context, we investigate postnatal ontogenetic changes in the skulls of crown bird and non-avian theropods using anatomical...

Université de Fribourg

Modularity of the neck in birds (Aves)

Terray, Léa ; Plateau, Olivia ; Abourachid, Anick ; Böhmer, Christine ; Delapré, Arnaud ; la Bernardie, Xavier de ; Cornette, Raphaël

In: Evolutionary Biology, 2020, p. -

The neck connects the head and the trunk and is the key structure allowing all movements of the head. The neck morphology of birds is the most variable among living tetrapods, including significant differences in the number and shape of the cervical vertebrae. Despite these differences, according to the literature, three morphofunctional regions (i.e., modules) have been identified along the...

Université de Fribourg

Notes on the cheek region of the Late Jurassic theropod dinosaur Allosaurus

Evers, Serjoscha W. ; Foth, Christian ; Rauhut, Oliver W.M.

In: PeerJ, 2020, vol. 8, p. e8493

Allosaurus, from the Late Jurassic of North America and Europe, is a model taxon for Jurassic basal tetanuran theropod dinosaurs. It has achieved an almost iconic status due to its early discovery in the late, 19th century, and due to the abundance of material from the Morrison Formation of the western U.S.A., making Allosaurus one of the best-known theropod taxa. Despite this, various...

Université de Fribourg

Late Jurassic theropod dinosaur bones from the Langenberg Quarry (Lower Saxony, Germany) provide evidence for several theropod lineages in the central European archipelago

Evers, Serjoscha W. ; Wings, Oliver

In: PeerJ, 2020, vol. 8, p. e8437

Marine limestones and marls in the Langenberg Quarry provide unique insights into a Late Jurassic island ecosystem in central Europe. The beds yield a varied assemblage of terrestrial vertebrates including extremely rare bones of theropod from theropod dinosaurs, which we describe here for the first time. All of the theropod bones belong to relatively small individuals but represent a wide...

Haute école de santé Genève

Lombalgies chroniques non-spécifiques et cinématique de la marche : quelle est la relation entre le catastrophisme et la dissociation des ceintures ? travail de Bachelor

Leverington Viva, Rosa ; Moginier, Luciana ; Studer, Léa ; Reinmann, Aline (Dir.) ; Cuvelier, Virginie (Dir.)

Mémoire de bachelor : Haute école de santé Genève, 2019.

Introduction: Non-specific chronic lower back pain (NSCLBP) is the primary cause of disability worldwide and has great economic repercussions. Its etiology is not well known. However, the biopsychosocial model has emerged as the best way to tackle NSCLBP. Objective: The aim of this research was to study the thoraco-pelvic movement patterns whilst speeding up in NSCLBP patients and to study the...

Université de Fribourg

A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany

Rauhut, Oliver W. M. ; Tischlinger, Helmut ; Foth, Christian

In: eLife, 2019, vol. 8, p. e43789

The Late Jurassic ‘Solnhofen Limestones’ are famous for their exceptionally preserved fossils, including the urvogel Archaeopteryx, which has played a pivotal role in the discussion of bird origins. Here we describe a new, non-archaeopterygid avialan from the Lower Tithonian Mörnsheim Formation of the Solnhofen Archipelago, Alcmonavis poeschli gen. et sp. nov. Represented by a right...