Results 81 to 90 of about 64,893 (283)

Organic matter remineralization in marine sediments : A Pan-Arctic synthesis [PDF]

, 2017
Natural Environment Research Council (GrantNumber(s): NE/J023094/1; Grant recipient(s): Ursula Witte) ArcticNet (GrantNumber(s): Hotspot biodiversity project; Grant recipient(s): Philippe Archambault)Peer reviewedPublisher ...
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core   +1 more source

A capture–recapture framework for combining biologging data with physical captures to decompose and estimate demographic rates: Simulations across life cycles and application to polar bears

Methods in Ecology and Evolution, EarlyView.
Abstract Estimating demographic rates of wild populations is critical to understanding their dynamics but can be challenging because large amounts of data are required, and parts of the life cycle of individuals may be unobserved. In numerous research programmes, capture–recapture (CR) data and biologging data are collected in parallel.
Marwan Naciri, Jon Aars, Magnus Andersen, Andrew E. Derocher, Øystein Wiig, Sarah Cubaynes   +5 more
wiley   +1 more source

Runoff Variability in the Scott River (SW Spitsbergen) in Summer Seasons 2012–2013 in Comparison with the Period 1986–2009

Quaestiones Geographicae, 2016
River runoff variability in the Scott River catchment in the summer seasons 2012 and 2013 has been presented in comparison to the multiannual river runoff in 1986–2009.
Franczak Łukasz, Kociuba Waldemar, Gajek Grzegorz   +2 more
doaj   +1 more source

Input of terrestrial organic matter linked to deglaciation increased mercury transport to the Svalbard fjords [PDF]

, 2020
Deglaciation has accelerated the transport of minerals as well as modern and ancient organic matter from land to fjord sediments in Spitsbergen, Svalbard, in the European Arctic Ocean.
HAN, SEUNGHEE, JOO, YOUNG JI, KANG, MOO-HEE, KIM, HARYUN, KIM, TAE-WOOK, KWON, SAE YUN, LEE, KITACK, LIM, DHONGIL, LIM, JAESOO, NAM, SEUNG-IL   +9 more
core   +1 more source

Combining morphological and molecular data to study past foraminiferal communities from a temperate coastal sediment core

Boreas, EarlyView.
This paper presents the results of a dual approach for assessing fossil benthic foraminiferal communities using both traditional morphology‐based analyses and sedimentary ancient DNA (sedaDNA) metabarcoding. The main objectives are to test the feasibility of sedaDNA analyses to assess foraminiferal biodiversity in temperate shelf sediments (Le Croisic,
Meryem Mojtahid, Magali Schweizer, Damien Le Moigne, Gwendoline Grégoire, Anne  Murat, Isabelle Poirier, Agnès Baltzer, Inge van Dijk, Marie‐Christine Morère‐Le Paven, Martin Bourges, Maria Pia Nardelli, Christine Barras, Edouard Metzger, Aurelia Mouret   +13 more
wiley   +1 more source

Late‐Holocene evolution of a small Sub‐Arctic glacier, Gljúfurárjökull (Tröllaskagi, northern Iceland)

Boreas, EarlyView.
Gljúfurárjökull, located on the Tröllaskagi Peninsula in northern Iceland, is a small glacier approximately 3.8 km in length. This study analyses the glacier's evolution through a combination of methods including: (i) geomorphological mapping, (ii) Cosmic‐Ray Exposure (CRE) dating, (iii) lichenometry and (iv) palaeoglacier reconstruction (volume ...
Nuria Andrés, José M. Fernández‐Fernández, David Palacios, Irene Schimmelpfennig, Leopoldo G. Sancho, Skafti Brynjólfsson, Þorsteinn Sæmundsson, Wesley R. Farnsworth, Luis M. Tanarro, Mariano Brito, Javier Santos‐González, Rosa B. González‐Gutiérrez, ASTER Team, Georges Aumaître, Karim Keddadouche   +14 more
wiley   +1 more source

Permafrost thermal regime and active layer dynamics across periglacial landforms in Svalbard's Nordenskiöld Land Permafrost Observatory, 2008–2023

Arctic Science
On Spitsbergen, Svalbard, the Nordenskiöld Land Permafrost Observatory provides ground temperature time series from 2008 to the present in 16 boreholes located in a variety of periglacial landforms.
Sarah Marie Strand, Hanne H. Christiansen   +1 more
doaj   +1 more source

Postglacial expansion of the arctic keystone copepod calanus glacialis [PDF]

, 2018
Calanus glacialis, a major contributor to zooplankton biomass in the Arctic shelf seas, is a key link between primary production and higher trophic levels that may be sensitive to climate warming. The aim of this study was to explore genetic variation in
A Fleminger, A Weydmann, A Weydmann, A Weydmann, A Weydmann, Agata Weydmann, Aleksandra Przyłucka, Artur Burzyński, B Niehoff, C Haag-Liautard, DC MacLellan, DH Reed, E Kenchington, E Werle, Ester A. Serrão, F Tajima, FR Cottier, G Baele, Gareth A. Pearson, GJ Parent, GM Hewitt, GM Hewitt, HJ Bandelt, HJ Hirche, I Smolina, J McManus, J Pons, J Provan, J Provan, JE Søreide, JM Questel, JS Gray, K Blachowiak-Samolyk, K Tamura, Katarzyna S. Walczyńska, KN Kosobokova, L Blanco-Bercial, L Excoffier, LN Papadopoulos, M Sarnthein, MA Larkin, Marek Lubośny, N Knowlton, N Knowlton, ONS Aarbakke, P Librado, R Bouckaert, R Ji, R Staden, RF Lee, RJ Conover, RJ Nelson, S Falk-Petersen, S Kwaśniewski, S Swerpel, W Minxiao, W Walczowski, W Walkusz, WS Grant, Y Huang   +59 more
core   +1 more source

The Greenland–Scotland Ridge in a Changing Ocean: Time to Act?

Marine Ecology, EarlyView.
ABSTRACT The Greenland–Scotland Ridge is a submarine mountain that rises up to 500 m below the sea surface and extends from the east coast of Greenland to the continental shelf of Iceland and across the Faroe Islands to Scotland. The ridge not only separates deeper ocean basins on either side, that is, the North Atlantic and Arctic oceans, but also ...
Christophe Pampoulie, Saskia Brix, Haseeb S. Randhawa   +2 more
wiley   +1 more source

Dynamics of seasonally thawed layer on Svalbard and the Antarctic Peninsula in the ХХI century according to modeling data

Лëд и снег, 2020
Results of modeling of the dynamics of the seasonally thawing layer in the twenty first century made for two polar points (the Svalbard Archipelago and the Antarctic Peninsula) are discussed in the paper.
V. M. Kotlyakov, N. I. Osokin, A. V. Sosnovsky   +2 more
doaj   +1 more source