Search Results - "EHRICH, D."

Statistical analysis of amplified fragment length polymorphism data: a toolbox for molecular ecologists and evolutionists by Bonin, A, Ehrich, D, Manel, S

“…Recently, the amplified fragment length polymorphism (AFLP) technique has gained a lot of popularity, and is now frequently applied to a wide variety of…”
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Persistence of arctic-alpine flora during 24,000 years of environmental change in the Polar Urals by Clarke, C. L., Edwards, M. E., Gielly, L., Ehrich, D., Hughes, P. D. M., Morozova, L. M., Haflidason, H., Mangerud, J., Svendsen, J. I., Alsos, I. G.

“…Plants adapted to extreme conditions can be at high risk from climate change; arctic-alpine plants, in particular, could “run out of space” as they are…”
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Circumpolar Arctic vegetation: a hierarchic review and roadmap toward an internationally consistent approach to survey, archive and classify tundra plot data by Walker, D A, Daniëls, F J A, Alsos, I, Bhatt, U S, Breen, A L, Buchhorn, M, Bültmann, H, Druckenmiller, L A, Edwards, M E, Ehrich, D, Epstein, H E, Gould, W A, Ims, R A, Meltofte, H, Raynolds, M K, Sibik, J, Talbot, S S, Webber, P J

“…Satellite-derived remote-sensing products are providing a modern circumpolar perspective of Arctic vegetation and its changes, but this new view is dependent…”
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Pleistocene colonization of afro-alpine 'sky islands' by the arctic-alpine Arabis alpina by Assefa, A, Ehrich, D, Taberlet, P, Nemomissa, S, Brochmann, C

“…The afro-alpine region comprises the high mountains of Ethiopia and tropical East Africa, which represent biological 'sky islands' with high level of endemism…”
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Families in space: relatedness in the Barents Sea population of polar bears (Ursus maritimus) by ZEYL, E., AARS, J., EHRICH, D., WIIG, Ø.

“…The kin structure and dispersal pattern of polar bears (Ursus maritimus) of the Barents Sea was investigated during the spring mating season using two…”
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Evidence of effects of herbivory on Arctic vegetation: a systematic map protocol by Soininen, E. M, Barrio, I, Jepsen, J. U, Ehrich, D, Ravolainen, V. T, Speed, J. D. M

“…Background Along with climate change, herbivory is considered a main driver of ecosystem change in terrestrial Arctic environments. Understanding how herbivory…”
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AFLP clock for absolute dating of shallow-time evolutionary history - too good to be true by Ehrich, D, Eidesen, P.B, Alsos, I.G, Brochmann, C

“…A major drawback of Amplified Fragment Length Polymorphisms (AFLP) as genetic makers for phylogeographic studies is their lack of a temporal dimension. In a…”
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Early On-Treatment Assessment of T Cells, Cytokines, and Tumor DNA with Adaptively Dosed Nivolumab + Ipilimumab: Final Results from the Phase 2 ADAPT-IT Study by Smithy, James W, Kalvin, Hannah L, Ehrich, Fiona D, Shah, Ronak, Adamow, Matthew, Raber, Vladislav, Maher, Collen A, Kleman, Jenna, McIntyre, Deborah A G, Shoushtari, Alexander N, Betof Warner, Allison, Callahan, Margaret K, Momtaz, Parisa, Eton, Omar, Nair, Suresh, Wolchok, Jedd D, Chapman, Paul B, Berger, Michael F, Panageas, Katherine S, Postow, Michael A

“…The Adaptively Dosed ImmunoTherapy Trial (ADAPT-IT;NCT03122522) investigated adaptive ipilimumab discontinuation in melanoma based on early radiographic…”
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Genetic structure of Siberian lemmings ( ) in a continuous habitat: large patches rather than isolation by distance by Ehrich, D, Stenseth, N C

“…In a continuous habitat, restricted dispersal and local genetic drift are likely to create a pattern of increasing genetic differentiation with distance. Here,…”
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Phylogeography and mitochondrial DNA (mtDNA) diversity in North American collared lemmings (Dicrostonyx groenlandicus) by Ehrich, D., Fedorov, V. B., Stenseth, N. C., Krebs, C. J., Kenney, A.

“…Variation in the nucleotide sequence of the mitochondrial control region (250 bp) and the cytochrome b region (870 bp) was examined in collared lemmings…”
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Spatial structure of lemming populations (Dicrostonyx groenlandicus) fluctuating in density by Ehrich, D., Jorde, P. E., Krebs, C. J., Kenney, A. J., Stacy, J. E., Stenseth, N. C.

“…The pattern and scale of the genetic structure of populations provides valuable information for the understanding of the spatial ecology of populations,…”
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Changing Arctic snow cover: A review of recent developments and assessment of future needs for observations, modelling, and impacts by Bokhorst, Stef, Pedersen, Stine Højlund, Brucker, Ludovic, Anisimov, Oleg, Bjerke, Jarle W., Brown, Ross D., Ehrich, Dorothee, Essery, Richard L. H., Heilig, Achim, Ingvander, Susanne, Johansson, Cecilia, Johansson, Margareta, Jónsdóttir, Ingibjörg Svala, Inga, Niila, Luojus, Kari, Macelloni, Giovanni, Mariash, Heather, McLennan, Donald, Rosqvist, Gunhild Ninis, Sato, Atsushi, Savela, Hannele, Schneebeli, Martin, Sokolov, Aleksandr, Sokratov, Sergey A., Terzago, Silvia, Vikhamar-Schuler, Dagrun, Williamson, Scott, Qiu, Yubao, Callaghan, Terry V.

“…Snow is a critically important and rapidly changing feature of the Arctic. However, snow-cover and snowpack conditions change through time pose challenges for…”
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Land cover succession for recently drained lakes in permafrost on the Yamal Peninsula, Western Siberia by von Baeckmann, Clemens, Bartsch, Annett, Bergstedt, Helena, Efimova, Aleksandra, Widhalm, Barbara, Ehrich, Dorothee, Kumpula, Timo, Sokolov, Alexander, Abdulmanova, Svetlana

“…Drained lake basins (DLBs) are dominant features in lowland permafrost landscapes of the Arctic. Here, we present a novel approach describing and quantifying…”
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Frequent Long-Distance Plant Colonization in the Changing Arctic by Alsos, Inger Greve, Eidesen, Pernille Bronken, Ehrich, Dorothee, Skrede, Inger, Westergaard, Kristine, Jacobsen, Gro Hilde, Landvik, Jon Y, Taberlet, Pierre, Brochmann, Christian

“…The ability of species to track their ecological niche after climate change is a major source of uncertainty in predicting their future distribution. By…”
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The Arctic fox (Vulpes lagopus L.) on the Kola Peninsula (Russia): silently disappearing in the mist of data deficiency? by Tirronen, Konstantin, Ehrich, Dorothee, Panchenko, Danila, Dalén, Love, Angerbjörn, Anders

“…The Arctic fox ( Vulpes lagopus L.) population on the Kola Peninsula occupies an intermediate, and potentially connecting, position between foxes living on the…”
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Comparison of triazolam, diazepam, and placebo as outpatient oral premedication for endodontic patients by Ehrich, D G, Lundgren, J P, Dionne, R A, Nicoll, B K, Hutter, J W

“…Triazolam and diazepam were compared as oral antianxiety agents in a randomized double-blind, placebo-controlled clinical study of 79 endodontic patients with…”
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Towards long-term records of rain-on-snow events across the Arctic from satellite data by Bartsch, Annett, Bergstedt, Helena, Pointner, Georg, Muri, Xaver, Rautiainen, Kimmo, Leppänen, Leena, Joly, Kyle, Sokolov, Aleksandr, Orekhov, Pavel, Ehrich, Dorothee, Soininen, Eeva Mariatta

“…Rain-on-snow (ROS) events occur across many regions of the terrestrial Arctic in mid-winter. Snowpack properties are changing, and in extreme cases ice layers…”
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Exploring the decision-making process in model development: focus on the Arctic snowpack by Menard, Cecile B, Rasmus, Sirpa, Merkouriadi, Ioanna, Balsamo, Gianpaolo, Bartsch, Annett, Derksen, Chris, Domine, Florent, Dumont, Marie, Ehrich, Dorothee, Essery, Richard, Forbes, Bruce C, Krinner, Gerhard, Lawrence, David, Liston, Glen, Matthes, Heidrun, Rutter, Nick, Sandells, Melody, Schneebeli, Martin, Stark, Sari

“…The Arctic poses many challenges for Earth system and snow physics models, which are commonly unable to simulate crucial Arctic snowpack processes,such as…”
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On the origin of the Norwegian lemming by Lagerholm, Vendela K, Sandoval‐Castellanos, Edson, Ehrich, Dorothee, Abramson, Natalia I, Nadachowski, Adam, Kalthoff, Daniela C, Germonpré, Mietje, Angerbjörn, Anders, Stewart, John R, Dalén, Love

“…The Pleistocene glacial cycles resulted in significant changes in species distributions, and it has been discussed whether this caused increased rates of…”
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Three times out of Asia Minor: the phylogeography of Arabis alpina L. (Brassicaceae) by KOCH, MARCUS A., KIEFER, CHRISTIANE, EHRICH, DOROTHEE, VOGEL, JOHANNES, BROCHMANN, CHRISTIAN, MUMMENHOFF, KLAUS

“…Arabis alpina is a characteristic plant in arctic‐alpine habitats and serves as a classical example to demonstrate biology, ecology and biogeography of…”
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