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Université de Fribourg

Phylogeny, taxonomy, and biogeography of Pterocarya (Juglandaceae)

Song, Yi-Gang ; Li, Ying ; Meng, Hong-Hu ; Fragnière, Yann ; Ge, Bin-Jie ; Sakio, Hitoshi ; Yousefzadeh, Hamed ; Bétrisey, Sébastien ; Kozlowski, Gregor

In: Plants, 2020, vol. 9, no. 11, p. 1524

Relict species play an important role in understanding the biogeography of intercontinental disjunctions. Pterocarya (a relict genus) is the valuable model taxon for studying the biogeography of East Asian versus southern European/West Asian disjunct patterns. This disjunction has not been as well studied as others (e.g., between Eastern Asia and North America). Several phylogenetic studies...

Université de Fribourg

Geomorphic response to the lateglacial–holocene transition in high alpine regions (Sanetsch pass, Swiss alps)

Serra, Elena ; Valla, Pierre G. ; Gribenski, Natacha ; Guedes Magrani, Fabio ; Carcaillet, Julien ; Delaloye, Reynald ; Grobéty, Bernard ; Braillard, Luc

In: Boreas, 2020, p. bor.12480

Several palaeoclimatic archives have documented the pronounced climatic and environmental change associated with the Lateglacial–Holocene transition in the European Alps. However, the geomorphic response to this major environmental transition has only been punctually investigated. In this study, we propose a detailed reconstruction of post‐Last Glacial Maximum palaeoenvironmental...

Université de Fribourg

Genetic structure of the endemic Papaver occidentale indicates survival and immigration in the Western Prealps

Pittet, Loïc ; Fragnière, Yann ; Grünig, Sandra ; Bétrisey, Sébastien ; Clément, Benoît ; Gerber, Emanuel ; Ronikier, Michał ; Kozlowski, Gregor ; Parisod, Christian

In: Alpine Botany, 2020, p. -

Climatic oscillations of the Quaternary rapidly compelled plant species to shift their geographical range. How alpine plant species responded to climate change, however, remains elusive and remnants of the cold-adapted flora that currently strive in restricted ranges as small, isolated populations have been particularly overlooked. To address the evolutionary history of such a ‘glacial...

Université de Fribourg

Polymerization‐induced wrinkled surfaces with controlled topography as slippery surfaces for colorado potato beetles

Bergmann, Johannes B. ; Moatsou, Dafni ; Surapaneni, Venkata A. ; Thielen, Marc ; Speck, Thomas ; Wilts, Bodo D. ; Steiner, Ullrich

In: Advanced Materials Interfaces, 2020, p. 2000129

Controlling the interaction of insect populations with their host plants has recently received renewed attention in the light of pest control. One way to modify the interaction of insects with their host plants in a non‐chemical way is through influence of their de/attachment. Insect detachment has been observed for textured biological and structured artificial surfaces with morphologies ...

Université de Fribourg

Subfossil lemur discoveries from the Beanka Protected Area in western Madagascar

Burney, David A. ; Andriamialison, Haingoson ; Andrianaivoarivelo, Radosoa A. ; Bourne, Steven ; Crowley, Brooke E. ; Boer, Erik J. de ; Godfrey, Laurie R. ; Goodman, Steven M. ; Griffiths, Christine ; Griffiths, Owen ; Hume, Julian P. ; Joyce, Walter G. ; Jungers, William L. ; Marciniak, Stephanie ; Middleton, Gregory J. ; Muldoon, Kathleen M. ; Noromalala, Eliette ; Pérez, Ventura R. ; Perry, George H. ; Randalana, Roger ; Wright, Henry T.

In: Quaternary Research, 2020, vol. 93, no. 1, p. 187–203

A new fossil site in a previously unexplored part of western Madagascar (the Beanka Protected Area) has yielded remains of many recently extinct vertebrates, including giant lemurs (Babakotia radofilai, Palaeopropithecus kelyus, Pachylemur sp., and Archaeolemur edwardsi), carnivores (Cryptoprocta spelea), the aardvark-like Plesiorycteropus sp., and giant ground cuckoos (Coua). Many of these...

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...

Université de Fribourg

A gardener’s influence on urban soil quality

Tresch, Simon ; Moretti, Marco ; Le Bayon, Renée-Claire ; Mäder, Paul ; Zanetta, Andrea ; Frey, David ; Fliessbach, Andreas

In: Frontiers in Environmental Science, 2018, vol. 6, p. -

Gardens are hot spots for urban biodiversity and provide habitats for many plant and animal species, both above- and below-ground. Furthermore, gardens provide a wide range of ecosystem services, including carbon (C) storage and nutrient cycling. Although the soil is the foundation of sustainable gardens providing those ecosystem services, very little is known about the consequences of garden...