Results 71 to 80 of about 64,893 (283)

Phylogeny, species delimitation and machine learning bridge the gap between DNA sequences and morphology in the lichen genus Arctomia (Arctomiaceae, Ascomycota)

TAXON, EarlyView.
Abstract This study investigates species boundaries in the lichen genus Arctomia (Arctomiaceae, Ascomycota) using an integrative approach combining molecular phylogenetics, full Bayesian population delimitation, heuristic and model‐based species delimitation, and supervised machine learning applied to morphological data.
Stefan Ekman, Måns Svensson, Martin Westberg   +2 more
wiley   +1 more source

Uncertainty Assessment for Mean Snow Cover Depth Derived from Direct Measurements on Aldegondabreen Glacier (Svalbard)

Лëд и снег, 2023
This study introduces an empirical equation allowing to estimate an uncertainty of area-averaged snow depth on the Aldegondabreen Glacier, computed from standard snow surveys and made by an avalanche probe or by similar equipment.
A. V. Terekhov, I. I. Vasilevich, U. V. Prokhorova   +2 more
doaj   +1 more source

Greening of Svalbard

Science of The Total Environment
Svalbard, located between 76°30'N and 80°50'N, is among the regions in the world with the most rapid temperature increase. We processed a cloud-free time-series of MODIS-NDVI for Svalbard. The dataset is interpolated to daily data during the 2000-2022 period with 232 m pixel resolution.
Karlsen, Stein Rune, Elvebakk, Arve, Stendardi, Laura, Høgda, Kjell Arild, Macias-Fauria, Marc   +4 more
openaire   +6 more sources

Svalbard Studies

Poljarnyj Vestnik: Norwegian Journal of Slavic Studies, 2022
This short article offers an introduction to Poljarnyj Vestnik’s special issue on Svalbard Studies.
Yngvar Steinholt, Andrei Rogatchevski
openaire   +1 more source

Hunting, but not outdoor recreation, modulates behavioural tolerance to human disturbance in Alpine marmots Marmota marmota

Wildlife Biology, EarlyView.
Humans are often perceived as predators by free‐living animals, and thus, even non‐consumptive human activities such as outdoor recreation may trigger behavioural and physiological responses, often with negative consequences on individual fitness and population persistence.
Friederike Zenth, Chiara Giari, Elena Morocutti, Ilse Storch, Daniel T. Blumstein, Andrea Corradini, Davide Righetti, Dominik Trenkwalder, Luca Corlatti   +8 more
wiley   +1 more source

Seasonality and interannual variability of an Arctic marine time series, IsA

Arctic Science
The Arctic is warming twice as fast as anywhere else on the planet, in the European Arctic mainly driven by exalted Atlantic Water inflow. Microbial eukaryotes are diverse and essential to the functioning of marine ecosystems, thus environmental ...
Anna Vader, Eleanor Handler, Ragnheid Skogseth, Aud Larsen, Tove M. Gabrielsen   +4 more
doaj   +1 more source

Reconstruction of Air Temperature Series at Russian Station in Barentsburg (Svalbard)

Российская Арктика, 2020
The longest instrumental meteorological observations on the Svalbard archipelago were obtained in the Russian town Barentsburg, where the first meteorological station (MS) appeared back in 1932, however, the use of these data in its original form is ...
Demin V.I., Ivanov B.V., Revina A.D.
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

Field test of assumptions for using line transect distance sampling on rock ptarmigan

Wildlife Biology, EarlyView.
Reliable population estimates are essential for the management of harvested species. Line transect distance sampling using pointing dogs is an established survey method for willow ptarmigan and has also been proposed for the monitoring of rock ptarmigan.
Marius Kjønsberg, Sondre Gottenborg, Mikkel Andreas Jørnsøn Kvasnes, Maria Hörnell‐Willebrand   +3 more
wiley   +1 more source

Svalbard in the Context of Arctic Security

Арктика и Север, 2020
The article studies Svalbard’s role in the Arctic security agenda, the history of the implementation of the Paris Treaty 1920 with the emphasis on its security provisions, as well as the risks of engaging Svalbard in a military conflict in the region ...
Andrey A. TODOROV
doaj   +1 more source