Johan Wikner
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View article: Temperature and dissolved organic matter shape marine prokaryotic activity and gene expression in a sub-arctic sea
Temperature and dissolved organic matter shape marine prokaryotic activity and gene expression in a sub-arctic sea Open
Temperature and dissolved organic matter (DOM) are important drivers of microbial activity, but their effects, alone or in combination, on the physiological responses of sub-arctic prokaryotic assemblages remain poorly understood. In a nor…
View article: Prokaryotic morphological features and maintenance activities governed by seasonal productivity conditions
Prokaryotic morphological features and maintenance activities governed by seasonal productivity conditions Open
Prokaryotic maintenance respiration and associated metabolic activities constitute a considerable proportion of the total respiration of carbon to CO2 in the ocean’s mixed layer. However, seasonal influences on prokaryotic maintenance acti…
View article: Microeukaryote community coalescence strengthens community stability and elevates diversity
Microeukaryote community coalescence strengthens community stability and elevates diversity Open
Mixing of entire microbial communities represents a frequent, yet understudied phenomenon. Here, we mimicked estuarine condition in a microcosm experiment by mixing a freshwater river community with a brackish sea community and assessed th…
View article: Community stability increases the predictability of microeukaryote community coalescence outcomes
Community stability increases the predictability of microeukaryote community coalescence outcomes Open
Mixing of entire microbial communities represents a frequent, yet understudied phenomenon. Here, we mimicked estuarine condition in a microcosm experiment by mixing a freshwater river community with a brackish sea community and assessed th…
View article: Corrigendum: Extensive prokaryotic maintenance respiration in the sea influenced by osmoregulation
Corrigendum: Extensive prokaryotic maintenance respiration in the sea influenced by osmoregulation Open
•Incorrect Supplementary Material In the published article, there were errors in Supplementary Table_1 with primary data. Coordinates for the sampling stations were missing. The unit for prokaryotic community respiration 95% C.I. and 2 × S…
View article: Regulation of marine plankton respiration: A test of models
Regulation of marine plankton respiration: A test of models Open
Plankton respiration is a major process removing oxygen from pelagic environments and constitutes one of the largest oxygen transformations in the sea. Where the O 2 supplies due to dissolution, advection and oxygenic photosynthesis are no…
View article: Extensive prokaryotic maintenance respiration in the sea influenced by osmoregulation
Extensive prokaryotic maintenance respiration in the sea influenced by osmoregulation Open
Microbial respiration is the major process consuming oxygen in the biosphere. The relative energy demand from growth of biomass or maintenance activities determines the regulation of respiration with impact on how the development of hypoxi…
View article: Prokaryotic maintenance respiration and growth efficiency field patterns reproduced by temperature and nutrient control at mesocosm scale
Prokaryotic maintenance respiration and growth efficiency field patterns reproduced by temperature and nutrient control at mesocosm scale Open
The distribution of prokaryotic metabolism between maintenance and growth activities has a profound impact on the transformation of carbon substrates to either biomass or CO 2 . Knowledge of key factors influencing prokaryotic maintenance …
View article: Co-occurrences enhance our understanding of aquatic fungal metacommunity assembly and reveal potential host–parasite interactions
Co-occurrences enhance our understanding of aquatic fungal metacommunity assembly and reveal potential host–parasite interactions Open
Our knowledge of aquatic fungal communities, their assembly, distributions and ecological roles in marine ecosystems is scarce. Hence, we aimed to investigate fungal metacommunities of coastal habitats in a subarctic zone (northern Baltic …
View article: Co-occurrences enhance our understanding of aquatic fungal metacommunity assembly and reveal potential host–parasite interactions
Co-occurrences enhance our understanding of aquatic fungal metacommunity assembly and reveal potential host–parasite interactions Open
Our knowledge of aquatic fungal communities, their assembly, distributions and ecological roles in marine ecosystems is scarce. Hence, we aimed to investigate fungal metacommunities of coastal habitats in a subarctic zone (northern Baltic …
View article: Strong Influence of Baseline Respiration in an Oligotrophic Coastal Ecosystem
Strong Influence of Baseline Respiration in an Oligotrophic Coastal Ecosystem Open
Respiration is a key metabolic process in the marine environment and contemporary phytoplankton production (PhP) is commonly assumed the main driver. However, respiration in the absence of contemporary PhP, termed baseline respiration, can…
View article: Corrigendum: ILTER – The International Long-Term Ecological Research Network as a Platform for Global Coastal and Ocean Observation
Corrigendum: ILTER – The International Long-Term Ecological Research Network as a Platform for Global Coastal and Ocean Observation Open
CORRECTION ARTICLE A Corrigendum on ILTER – The International Long-Term Ecological Research Network as a Platform for Global Coastal and Ocean Observation. doi: 10.3389/fmars.2019.00527
View article: ILTER – The International Long-Term Ecological Research Network as a Platform for Global Coastal and Ocean Observation
ILTER – The International Long-Term Ecological Research Network as a Platform for Global Coastal and Ocean Observation Open
Understanding the threats to global biodiversity and ecosystem services posed by human impacts on coastal and marine environments requires the establishment and maintenance of ecological observatories that integrate the biological, physica…
View article: Improved accuracy of optode‐based oxygen consumption measurements by removal of system drift and nonlinear derivation
Improved accuracy of optode‐based oxygen consumption measurements by removal of system drift and nonlinear derivation Open
This method evaluation aimed to improve the accuracy and precision of the previously published method to measure oxygen consumption using optodes with integrated temperature and salinity correction in dark incubations. Significant short‐te…
View article: Environmental Impacts—Marine Ecosystems
Environmental Impacts—Marine Ecosystems Open
Increase in sea surface temperature is projected to change seasonal successionSuccession and induce dominance shifts in phytoplankton in spring and promote the growth of cyanobacteriaCyanobacteria in summer. In general, climate change is p…