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Enhanced treatment of shale gas fracturing waste fluid through plant-microbial synergism
(Peer reviewed; Journal article, 2021)Cost-efficient and environmentally friendly treatment of hydraulic fracturing effluents is of great significance for the sustainable development of shale gas exploration. We investigated the synergistic effects of ... -
Environmental Conditions Determine the Course and Outcome of Phytoplankton Chytridiomycosis
(Journal article, 2015)Chytrid fungi are highly potent parasites of phytoplankton. They are thought to force phytoplankton organisms into an evolutionary arms race with high population diversity as the outcome. The underlying selection regime ... -
Environmental effects of offshore produced water discharges: A review focused on the Norwegian continental shelf
(Peer reviewed; Journal article, 2020)Produced water (PW), a large byproduct of offshore oil and gas extraction, is reinjected to formations or discharged to the sea after treatment. The discharges contain dispersed crude oil, polycyclic aromatic hydrocarbons ... -
Environmental effects of the Deepwater Horizon oil spill: A review
(Journal article; Peer reviewed, 2016)The Deepwater Horizon oil spill constituted an ecosystem-level injury in the northern Gulf of Mexico. Much oil spread at 1100–1300 m depth, contaminating and affecting deepwater habitats. Factors such as oil-biodegradation, ... -
Environmental effects on Calanus finmarchicus abundance and depth distribution in the Barents Sea
(Peer reviewed; Journal article, 2021)The vertical migrations performed by zooplankton at daily and seasonal scales are important for marine ecosystem dynamics and biogeochemical cycles. We analysed associations between seasonal variation in abundance and depth ... -
Environmental factors influencing mercury speciation in Subarctic and Boreal lakes
(Journal article; Peer reviewed, 2014)Environmental drivers of total mercury (TotHg) concentrations, methylmercury (MeHg) concentrations, and MeHg fractions (a proxy for methylation potential, expressed as %MeHg) were assessed in a synoptic study of 51 lakes ... -
Environmental harm assessment of a wastewater discharge from Hammerfest LNG: A study with biomarkers in mussels (Mytilus sp.) and Atlantic cod (Gadus morhua)
(Journal article; Peer reviewed, 2013)Biologically treated wastewater (WW) from the Hammerfest LNG (liquefied natural gas) plant is discharged to the sea. A study using biomarkers in mussels and Atlantic cod was performed to examine whether this discharge meets ... -
Environmental impacts of produced water and drilling waste discharges from the Norwegian offshore petroleum industry
(Journal article; Peer reviewed, 2013)Operational discharges of produced water and drill cuttings from offshore oil and gas platforms are a continuous source of contaminants to continental shelf ecosystems. This paper reviews recent research on the biological ... -
Environmental Optima for Seven Strains of Pseudochattonella (Dictyochophyceae, Heterokonta)
(Journal article; Peer reviewed, 2013)The ichthyotoxic flagellate Pseudochattonella has formed recurrent blooms in the North Sea, Skagerrak and Kattegat since 1998. Five strains of Pseudochattonella farcimen and two strains of P. verruculosa were examined in ... -
Environmental risk assessment of combined effects in aquatic ecotoxicology: A discussion paper
(Journal article; Peer reviewed, 2014)Environmental regulatory edicts within the EU, such as the regulatory framework for chemicals REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals), the Water Framework Directive (WFD), and the Marine ... -
Environmental risk assessment of veterinary medicinal products intended for use in aquaculture in Europe: the need for developing a harmonised approach
(Peer reviewed; Journal article, 2021)The current and future expansion of aquaculture production appears to be only manageable by using veterinary medicinal products (VMPs) to prevent and reduce disease outbreaks. However, only a very low number of VMPs are ... -
Epifaunal and infaunal responses to submarine mine tailings in a Norwegian fjord
(Journal article; Peer reviewed, 2019)Disposal of mine tailings in marine shallow water ecosystems represents an environmental challenge, and the present paper reports results from a field study in Frænfjorden, Norway, which is subject to such disposal. ... -
Epigenetic, transcriptional and phenotypic responses in Daphnia magna exposed to low-level ionizing radiation
(Peer reviewed; Journal article, 2020)Ionizing radiation is known to induce oxidative stress and DNA damage as well as epigenetic effects in aquatic organisms. Epigenetic changes can be part of the adaptive responses to protect organisms from radiation-induced ... -
Epigenetic, transcriptional and phenotypic responses in two generations of Daphnia magna exposed to the DNA methylation inhibitor 5-Azacytidine
(Journal article; Peer reviewed, 2019)The water flea Daphnia magna is a keystone species in freshwater ecosystems and has been widely used as a model organism in environmental ecotoxicology. This aquatic crustacean is sensitive to environmental stressors and ... -
Erosion Dynamics of Cultivated Kelp, Saccharina latissima, and Implications for Environmental Management and Carbon Sequestration
(Peer reviewed; Journal article, 2021)A growing trend of interest for the cultivation of kelp is driven by predictions for high global demands of important commodities, which require the development of alternative supplies of natural resources. In this study ... -
Estimating nutrient thresholds for eutrophication management: Novel insights from understudied lake types
(Peer reviewed; Journal article, 2022)Nutrient targets based on pressure-response models are essential for defining ambitions and managing eutrophication. However, the scale of biogeographical variation in these pressure-response relationships is poorly ... -
Estimating Sea Surface Salinity in the East China Sea Using Satellite Remote Sensing and Machine Learning
(Peer reviewed; Journal article, 2023)Sea surface salinity (SSS) is a master variable in oceanography and important to understand marine biogeochemical and physical processes. In the East China Sea (ECS), a random forest based regression ensemble model (RF) ... -
Estimating the costs and benefits of protecting a coastal amenity from climate change-related hazards: Nature based solutions via oyster reef restoration versus grey infrastructure
(Peer reviewed; Journal article, 2022)This paper examines the recreational use values associated with a coastal walking trail under threat from increased episodes of storm surges and coastal erosion, and the cost of alternative grey and nature based infrastructure ... -
Estimating trophic levels and trophic magnification factors using Bayesian inference
(Journal article; Peer reviewed, 2013)Food web biomagnification is increasingly assessed by estimating trophic magnification factors (TMF) where solvent (often lipid) normalized contaminant concentration is regressed onto the trophic level, and TMFs are ... -
Estimation of ecosystem respiration and photosynthesis in supersaturated stream water downstream of a hydropower plant
(Journal article; Peer reviewed, 2023)The estimation of whole stream metabolism, as determined by photosynthesis and respiration, is critical to our understanding of carbon cycling and carbon subsidies to aquatic food-webs. The mass development of aquatic ...