Five decades of terrestrial and freshwater research at Ny-Ålesund, Svalbard

ÅØ Pedersen, P Convey, KK Newsham… - Polar …, 2022 - research.rug.nl
For more than five decades, research has been conducted at Ny-Ålesund, in Svalbard,
Norway, to understand the structure and functioning of High-Arctic ecosystems and the …

Microplastic pollution in the surface sediment of Kongsfjorden, Svalbard, Arctic

EV Ramasamy, S Sruthy, AK Harit, M Mohan… - Marine Pollution …, 2021 - Elsevier
Progressive fragmentation of larger plastic debris due to the mechanical action of
wind/waves, prolonged exposure to ultraviolet radiation, or biological degradation has led to …

Seasonal differences in dissolved organic matter properties and sources in an Arctic fjord: Implications for future conditions

SR Brogi, JY Jung, SY Ha, J Hur - Science of The Total Environment, 2019 - Elsevier
Abstract The Arctic Ocean is undergoing drastic changes due to the effects of climate
change. Arctic fjords are preferred systems to study these changes as they respond quickly …

Stochastic Processes Dominate in the Water Mass–Based Segregation of Diazotrophs in a High Arctic Fjord (Svalbard)

T Jabir, A Jain, PV Vipindas, KP Krishnan - Microbial Ecology, 2023 - Springer
Nitrogen-fixing or diazotrophic microbes fix atmospheric nitrogen (N2) to ammonia (NH3+)
using nitrogenase enzyme and play a crucial role in regulating marine primary productivity …

Biochemical composition of particles shape particle-attached bacterial community structure in a high Arctic fjord

A Jain, KP Krishnan, A Singh, FA Thomas, N Begum… - Ecological …, 2019 - Elsevier
Kongsfjorden, a high Arctic fjord was used as a model site to test the hypothesis that source
and biochemical composition of particulate organic matter (POM) exert strong selective …

Response of bacterial communities from Kongsfjorden (Svalbard, Arctic Ocean) to macroalgal polysaccharide amendments

A Jain, KP Krishnan, N Begum, A Singh… - Marine environmental …, 2020 - Elsevier
Macroalgae are abundant in coastal Arctic habitats and contain a large amount of
polysaccharides. Increased macroalgal productivity due to warmer temperatures and …

Marine Group-II archaea dominate particle-attached as well as free-living archaeal assemblages in the surface waters of Kongsfjorden, Svalbard, Arctic Ocean

A Jain, KP Krishnan - Antonie Van Leeuwenhoek, 2021 - Springer
Marine archaea are a significant component of the global oceanic ecosystems, including the
polar oceans. However, only a few attempts have been made to study archaea in the high …

Svalbard rock ptarmigan: a first glimpse into parasite infections

ÓK Nielsen, E Fuglei, ÅØ Pedersen… - Polar Research, 2024 - polarresearch.net
Natural ecosystems are under stress due to climate change and impacts are especially
prominent at high latitudes. Manifestations of these changes include northward shifts in the …

Spatially resolved assembly, connectivity and structure of particle-associated and free-living bacterial communities in a high Arctic fjord

A Jain, JP Balmonte, R Singh… - FEMS Microbiology …, 2021 - academic.oup.com
The assembly processes that underlie the composition and connectivity of free-living (FL)
and particle-associated (PA) bacterial communities from surface to deep waters remain little …

[HTML][HTML] Nitrate isotope investigations reveal future impacts of climate change on nitrogen inputs and cycling in Arctic fjords: Kongsfjorden and Rijpfjorden (Svalbard)

M Santos-Garcia, RS Ganeshram, RE Tuerena… - …, 2022 - bg.copernicus.org
Ongoing climate change in the Arctic has caused tidewater glaciers to retreat while
increasing the discharge of freshwater and terrestrial material into fjords. This can affect both …