Ellen Oldenburg
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View article: Autonome Einblicke in arktische Mikrobiome
Autonome Einblicke in arktische Mikrobiome Open
Polar microbial communities are key to ecosystem function and respond sensitively to climate change. Using autonomous sampling and environmental DNA sequencing, we explore year-round microbial dynamics and drivers in the Arctic Fram Strait…
View article: Arctic Ocean virus communities and their seasonality, bipolarity, and prokaryotic associations
Arctic Ocean virus communities and their seasonality, bipolarity, and prokaryotic associations Open
Viruses of microbes play important roles in ocean environments as agents of mortality and genetic transfer, influencing ecology, evolution and biogeochemistry. However, we know little about the diversity, seasonality, and host interactions…
View article: Beyond blooms: the winter ecosystem reset determines microeukaryotic community dynamics in the Fram Strait
Beyond blooms: the winter ecosystem reset determines microeukaryotic community dynamics in the Fram Strait Open
The Arctic Ocean is undergoing a major transition as a result of global warming, with uncertain consequences for its ecosystems. Our study introduces an integrated analytical approach using co-occurrence networks, convergent cross-mapping,…
View article: Arctic Ocean virus communities: seasonality, bipolarity, and prokaryotic interactions
Arctic Ocean virus communities: seasonality, bipolarity, and prokaryotic interactions Open
Viruses play important roles in ocean environments as agents of mortality and genetic transfer, influencing ecology, evolution and biogeochemical processes. However, we know little about the diversity, seasonality, and host interactions of…
View article: Seasonal recurrence and modular assembly of an Arctic pelagic marine microbiome
Seasonal recurrence and modular assembly of an Arctic pelagic marine microbiome Open
Deciphering how microbial communities are shaped by environmental variability is fundamental for understanding the structure and function of ocean ecosystems. Thus far, we know little about the structuring of community functionality and th…
View article: Beyond blooms: A novel time series analysis framework predicts seasonal keystone species and sheds light on Arctic pelagic ecosystem stability
Beyond blooms: A novel time series analysis framework predicts seasonal keystone species and sheds light on Arctic pelagic ecosystem stability Open
A thorough understanding of ecosystem functioning in the Arctic Ocean, a region under severe threat by climate change, requires detailed studies on linkages between biodiversity and ecosystem stability. The identification of keystone speci…
View article: Overview of the MOSAiC expedition: Ecosystem
Overview of the MOSAiC expedition: Ecosystem Open
The international and interdisciplinary sea-ice drift expedition “The Multidisciplinary drifting Observatory for the Study of Arctic Climate” (MOSAiC) was conducted from October 2019 to September 2020. The aim of MOSAiC was to study the in…
View article: Sea-ice melt determines seasonal phytoplankton dynamics and delimits the habitat of temperate Atlantic taxa as the Arctic Ocean atlantifies
Sea-ice melt determines seasonal phytoplankton dynamics and delimits the habitat of temperate Atlantic taxa as the Arctic Ocean atlantifies Open
The Arctic Ocean is one of the regions where anthropogenic environmental change is progressing most rapidly and drastically. The impact of rising temperatures and decreasing sea ice on Arctic marine microbial communities is yet not well un…
View article: DeepLOKI- a deep learning based approach to identify zooplankton taxa on high-resolution images from the optical plankton recorder LOKI
DeepLOKI- a deep learning based approach to identify zooplankton taxa on high-resolution images from the optical plankton recorder LOKI Open
Zooplankton play a crucial role in the ocean’s ecology, as they form a foundational component in the food chain by consuming phytoplankton or other zooplankton, supporting various marine species and influencing nutrient cycling. The vertic…
View article: Atlantic water influx and sea-ice cover drive taxonomic and functional shifts in Arctic marine bacterial communities
Atlantic water influx and sea-ice cover drive taxonomic and functional shifts in Arctic marine bacterial communities Open
The Arctic Ocean is experiencing unprecedented changes because of climate warming, necessitating detailed analyses on the ecology and dynamics of biological communities to understand current and future ecosystem shifts. Here, we generated …
View article: Sea-ice melt determines seasonal phytoplankton dynamics and delimits the habitat of temperate Atlantic taxa as the Arctic Ocean atlantifies
Sea-ice melt determines seasonal phytoplankton dynamics and delimits the habitat of temperate Atlantic taxa as the Arctic Ocean atlantifies Open
The Arctic Ocean is one of the regions where anthropogenic environmental change is progressing most rapidly and drastically. The impact of rising temperatures and decreasing sea ice on Arctic marine microbial communities is yet not well un…
View article: Multiomics in the central Arctic Ocean for benchmarking biodiversity change
Multiomics in the central Arctic Ocean for benchmarking biodiversity change Open
Multiomics approaches need to be applied in the central Arctic Ocean to benchmark biodiversity change and to identify novel species and their genes. As part of MOSAiC, EcoOmics will therefore be essential for conservation and sustainable b…
View article: Variations in Atlantic water influx and sea-ice cover drive taxonomic and functional shifts in Arctic marine bacterial communities
Variations in Atlantic water influx and sea-ice cover drive taxonomic and functional shifts in Arctic marine bacterial communities Open
The Arctic Ocean is experiencing unprecedented changes as a result of climate warming, necessitating detailed analyses on the ecology and dynamics of biological communities to understand current and future ecosystem shifts. Here we show th…
View article: From sequence to information
From sequence to information Open
Today massive amounts of sequenced metagenomic and metatranscriptomic data from different ecological niches and environmental locations are available. Scientific progress depends critically on methods that allow extracting useful informati…
View article: From Sequence to Information
From Sequence to Information Open
Today massive amounts of sequenced metagenomic and -transcriptomic data from different ecological niches and environmental locations are available. Scientific progress depends critically on methods that allow extracting useful information …