Results 31 to 40 of about 1,376 (172)

Limited short-term impact of lemming grazing on vascular plants under experimentally reduced predation in the High Arctic

Arctic Science
Population fluctuations of lemmings in the High Arctic appear to be driven by predator–prey interactions. However, lemming grazing can sometimes have a strong impact on the vegetation during population peaks, suggesting a possible role of plant–herbivore
Gilles Gauthier, Guillaume Slevan-Tremblay, Dominique Fauteux, Esther Lévesque   +3 more
doaj   +1 more source

Quantifying temporal dynamics of greenhouse gas emissions in lake mesocosms: Deployment of a low‐cost measurement system

Limnology and Oceanography: Methods, EarlyView.
Abstract Greenhouse gas (GHG) emissions from freshwater ecosystems contribute significantly to global carbon budgets, yet they remain poorly constrained due to limited high‐frequency measurements. We tested a low‐cost, high‐frequency GHG measurement system in a long‐term mesocosm experiment in Lemming, Denmark, over a 7‐month period, focusing on CO2 ...
Tuba Bucak, Eti Ester Levi, Claus Melvad, Jianming Deng, Mikhail Mastepanov, Robert Ladwig, Thomas Alexander Davidson   +6 more
wiley   +1 more source

The triangulation between Arctic birds, Arctic foxes and Arctic lemmings

Frontiers in Ecology and Evolution
Many studies have suggested that Arctic predators preying on lemmings, especially the Arctic fox, take advantage of the high prey densities during peak years, but have to switch to alternative prey during years of low lemming density, thereby forcing ...
Anders Angerbjörn, Magnus Tannerfeldt, Sören Svensson   +2 more
doaj   +1 more source

Den attendance by Arctic foxes experiencing 10 years of increasing tourism

Wildlife Biology, EarlyView.
Wildlife tourism is a growing industry, and an increasing number of people seek to observe and interact with wild animals in their natural surroundings. In Iceland, the native Arctic fox Vulpes lagopus is widespread and has been under heavy hunting pressure for centuries.
Ester Rut Unnsteinsdóttir, Borgný Katrínardóttir, Bruce J. McAdam   +2 more
wiley   +1 more source

125 years of exploration and research at Gough's Cave (Somerset, UK) 125 ans d'exploration et de recherches à Gough's Cave (Somerset, Royaume‐Uni)

Journal of the Royal Anthropological Institute, EarlyView.
Our understanding of the recolonization of northwest Europe in the period leading up to the Lateglacial Interstadial relies heavily on discoveries from Gough's Cave (Somerset, UK). Gough's Cave is the richest Late Upper Palaeolithic site in the British Isles, yielding an exceptional array of human remains, stone and organic artefacts, and butchered ...
Silvia M. Bello, Mark D. Lewis, Simon A. Parfitt   +2 more
wiley   +1 more source

Application of Multi‐Method Dating for Understanding the Gravettian North of Moravia, Central Europe

Archaeometry, EarlyView.
ABSTRACT This article presents the results of integrating three methods to assess the age of the Upper Palaeolithic site of Pietraszyn 11 (SW Poland), close to the Moravian Gate. Sediment chronology determined using optically stimulated luminescence produced promising, yet ambiguous results (51.0 ± 3.7 to 20.3 ± 0.7 ka).
A. Wiśniewski, B. Bujalska, D. Popović, M. Baca, K. Zarzecka‐Szubińska, A. Lemanik, M. Hein, S. Talamo, P. Moska, H. Fewlass, D. Tokarz, Z. Jary, B. Przybylski, D. Bobak, M. Połtowicz‐Bobak, K. Wertz, A. Nadachowski   +16 more
wiley   +1 more source

Warming summers limit reindeer grazing, weakening herbivory pressure in the mountain tundra

Ecography, Volume 2026, Issue 6, June 2026.
Climate change is predicted to alter species interactions by exposing ecosystems to increasingly frequent and intense warm spells. In the mountain tundra, grazing by large herbivores, particularly reindeer, can limit shrub expansion and preserve Arctic plant diversity.
Marianne Stoessel, Akiko Kato, Regina Lindborg   +2 more
wiley   +1 more source

Are gastrointestinal parasites associated with the cyclic population dynamics of their arctic lemming hosts?

International Journal for Parasitology: Parasites and Wildlife, 2019
Many rodents, including most populations of arctic lemmings (genus Dicrostonyx and Lemmus), have cyclic population dynamics. Among the numerous hypotheses which have been proposed and tested to explain this typical characteristic of some terrestrial ...
Olivier Gilg, Loïc Bollache, Eve Afonso, Glenn Yannic, Niels Martin Schmidt, Lars Holst Hansen, Jannik Hansen, Benoît Sittler, Johannes Lang, Nicolas Meyer, Brigitte Sabard, Vladimir Gilg, Anita Lang, Mathilde Lebbar, Voitto Haukisalmi, Heikki Henttonen, Jérôme Moreau   +16 more
doaj   +1 more source

The marine side of a terrestrial carnivore: intra-population variation in use of allochthonous resources by arctic foxes. [PDF]

PLoS ONE, 2012
Inter-individual variation in diet within generalist animal populations is thought to be a widespread phenomenon but its potential causes are poorly known. Inter-individual variation can be amplified by the availability and use of allochthonous resources,
Arnaud Tarroux, Joël Bêty, Gilles Gauthier, Dominique Berteaux   +3 more
doaj   +1 more source

Scientists' Warning to Humanity: Unnecessary Bureaucracy Is a Global Impediment to Productivity, Advancement of Human and Planetary Wellbeing, Science and Sustainability

Microbial Biotechnology, Volume 19, Issue 6, June 2026.
Unnecessary bureaucracy is a global impediment to progress and productivity that increases stress and lowers workplace morale and motivation. In research it smothers creativity and innovation that are key to new discoveries and the societal and environmental benefits they catalyse.
Kenneth Timmis, Zeynep Ceren Karahan, Jennifer A. Byrne, Jake M. Robinson, Patricia Bernal, Paul B. Rainey, Purificación López‐García, Terry J. McGenity, Max Chavarria, Kazuo Sato, Willy Verstraete, Lars M. Blank, Rup Lal, María Francisca Colom, Juan Luis Ramos   +14 more
wiley   +1 more source