Lars‐Anders Hansson
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View article: Inclusion of eco-corona formation and biotransformation in regulatory nanomaterial ecotoxicity and fate testing: review and insights from the MISTRA environmental nanosafety project
Inclusion of eco-corona formation and biotransformation in regulatory nanomaterial ecotoxicity and fate testing: review and insights from the MISTRA environmental nanosafety project Open
Background The eco-corona, consisting of environmental biomolecules formed around engineered nanomaterials (ENMs) when released to the environment, has gained increasing focus in the scientific literature and its role for ENM fate and toxi…
View article: Impacts of an anxiolytic drug on fish behaviour and habitat use in a natural landscape
Impacts of an anxiolytic drug on fish behaviour and habitat use in a natural landscape Open
Pharmaceutical contaminants reaching natural aquatic ecosystems can affect fish behaviour, modifying activity patterns, foraging behaviour and antipredator responses. While laboratory-based studies can offer key insights, assessing the eco…
View article: Multiple Stressors Simplify Freshwater Food Webs
Multiple Stressors Simplify Freshwater Food Webs Open
Globally, freshwater ecosystems are threatened by multiple stressors, yet our knowledge of how they interact to affect food web structure remains scant. To address this knowledge gap, we conducted a large‐scale mesocosm experiment to quant…
View article: Comparative Analysis of Environmental <scp>DNA</scp> Metabarcoding and Spectro‐Fluorescence for Phytoplankton Community Assessments
Comparative Analysis of Environmental <span>DNA</span> Metabarcoding and Spectro‐Fluorescence for Phytoplankton Community Assessments Open
Quantifications of phytoplankton biomass and species composition are crucial for monitoring biodiversity and population dynamics in aquatic environments, and both direct microscopic counts and fluorescence‐based methods have been widely us…
View article: Will I stay or will I go? Eye morphology predicts individual migratory propensity in a partial migrant
Will I stay or will I go? Eye morphology predicts individual migratory propensity in a partial migrant Open
Billions of animals undertake migratory journeys every year, with powerful consequences for ecosystem dynamics. Key behaviours that enable successful migration are often guided by the visual system. The amount and quality of information th…
View article: Warming of shallow temperate lakes: consequences for rotifer community composition and population dynamics
Warming of shallow temperate lakes: consequences for rotifer community composition and population dynamics Open
Taxa specific responses to climate warming may shape aquatic communities, dominance patterns, biotic interactions, and related ecosystem processes and functions. As climate warming effects on smaller zooplankton are less understood than la…
View article: Nanoplastics rewire freshwater food webs
Nanoplastics rewire freshwater food webs Open
The accelerating use of plastics worldwide is of societal concern, especially as plastics fragment into smaller, micro- and nano-sized particles. Of particular importance is the effects on aquatic ecosystems since a major part of the nanop…
View article: Bimodal response strategy in <i>Daphnia</i> to ambush predation risk
Bimodal response strategy in <i>Daphnia</i> to ambush predation risk Open
Predation's consequences can manifest through either consumptive or nonconsumptive effects, but the prey response may also vary depending on the predator hunting strategy. Considerable attention has been paid to coursing predators, whereas…
View article: Wetlands as a potential multifunctioning tool to mitigate eutrophication and brownification
Wetlands as a potential multifunctioning tool to mitigate eutrophication and brownification Open
Eutrophication and brownification are ongoing environmental problems affecting aquatic ecosystems. Due to anthropogenic changes, increasing amounts of organic and inorganic compounds are entering aquatic systems from surrounding catchment …
View article: Fate and biological uptake of polystyrene nanoparticles in freshwater wetland ecosystems
Fate and biological uptake of polystyrene nanoparticles in freshwater wetland ecosystems Open
Wetland mesocosms retained nanoplastics. Nanoplastics where taken up by freshwater invertebrates and macrophytes and mainly ended up in the sediments of the water compartment.
View article: Characterization and Toxic Potency of Airborne Particles Formed upon Waste from Electrical and Electronic Equipment Waste Recycling: A Case Study
Characterization and Toxic Potency of Airborne Particles Formed upon Waste from Electrical and Electronic Equipment Waste Recycling: A Case Study Open
Manual dismantling, shredding, and mechanical grinding of waste from electrical and electronic equipment (WEEE) at recycling facilities inevitably lead to the accidental formation and release of both coarse and fine particle aerosols, prim…
View article: Ponds as experimental arenas for studying animal movement: current research and future prospects
Ponds as experimental arenas for studying animal movement: current research and future prospects Open
Animal movement is a multifaceted process that occurs for multiple reasons with powerful consequences for food web and ecosystem dynamics. New paradigms and technical innovations have recently pervaded the field, providing increasingly pow…
View article: Successful invasions to freshwater systems double with climate warming
Successful invasions to freshwater systems double with climate warming Open
Although invasive species are recognized as a major threat to freshwaters, little is known about how future climate warming will affect the success of invaders. Ecosystems are also often simultaneously impacted by multiple, potentially int…
View article: Warming reshapes the invertebrate predation pressure on the plankton community
Warming reshapes the invertebrate predation pressure on the plankton community Open
Climate change stressors, including warming and heatwaves, can alter plankton composition and dominance patterns in temperate shallow lakes, which can disrupt ecosystem function and curtail ecosystem services. Understanding how these alter…
View article: Wetlands as a Local Scale Management Tool to Reduce Algal Growth Potential
Wetlands as a Local Scale Management Tool to Reduce Algal Growth Potential Open
Recent land-use changes have led to a significant loss of natural wetlands worldwide resulting in increased amounts of organic and inorganic compounds reaching lakes and coastal areas. In turn, this has led to an increased algal growth, an…
View article: Timing and synchrony of migration in a freshwater fish: Consequences for survival
Timing and synchrony of migration in a freshwater fish: Consequences for survival Open
Animal migration is one of the most spectacular and visible behavioural phenomena in nature with profound implications for a range of ecological and evolutionary processes. Successful migration hinges on the ability to exploit temporary re…
View article: Ancestral environment determines the current reaction to ultraviolet radiation in<i>Daphnia magna</i>
Ancestral environment determines the current reaction to ultraviolet radiation in<i>Daphnia magna</i> Open
An individual's phenotype can be altered by direct contact with its present environment but also by environmental features experienced by previous generations, that is, parental or grandparental effects. However, the strength and direction…
View article: <i>Daphnia magna</i> trade‐off safety from UV radiation for food
<i>Daphnia magna</i> trade‐off safety from UV radiation for food Open
Research on diel vertical migration (DVM) is generally conducted at the population level, whereas few studies have focused on how individual animals behaviorally respond to threats when also having access to foraging opportunities. We util…
View article: Integrating multiple dimensions of ecological stability into a vulnerability framework
Integrating multiple dimensions of ecological stability into a vulnerability framework Open
Ecological stability encompasses multiple dimensions of functional and compositional responses to environmental change. Though no single stability dimension used in isolation can fully reflect the overall response to environmental change, …
View article: Predation risk and the evolution of a vertebrate stress response: Parallel evolution of stress reactivity and sexual dimorphism
Predation risk and the evolution of a vertebrate stress response: Parallel evolution of stress reactivity and sexual dimorphism Open
Predation risk is often invoked to explain variation in stress responses. Yet, the answers to several key questions remain elusive, including the following: (1) how predation risk influences the evolution of stress phenotypes, (2) the rela…
View article: Fitness cost from fluctuating ultraviolet radiation in<i>Daphnia magna</i>
Fitness cost from fluctuating ultraviolet radiation in<i>Daphnia magna</i> Open
Solar ultraviolet radiation (UVR) is an important environmental threat for organisms in aquatic systems, but its temporally variable nature makes the understanding of its effects ambiguous. The aim of our study was to assess potential fitn…
View article: Fear of sex: sexual conflict exposed as avoidance in a parthenogenetic invertebrate
Fear of sex: sexual conflict exposed as avoidance in a parthenogenetic invertebrate Open
Males and females often have divergent evolutionary interests, generating sexual conflicts. This is particularly true in organisms that exhibit facultative sexuality, whereby females are capable of reproducing without fitness costs of mati…
View article: Transfer of Cobalt Nanoparticles in a Simplified Food Web: From Algae to Zooplankton to Fish
Transfer of Cobalt Nanoparticles in a Simplified Food Web: From Algae to Zooplankton to Fish Open
Cobalt (Co) nanoparticles (NPs) may be diffusely dispersed into natural ecosystems from various anthropogenic sources such as traffic settings and eventually end up in aquatic systems. As environmentally dispersed Co NPs may be transferred…
View article: Data supporting Fear of sex: Sexual conflict exposed as avoidance in a parthenogenetic invertebrate
Data supporting Fear of sex: Sexual conflict exposed as avoidance in a parthenogenetic invertebrate Open
Males and females often have divergent evolutionary interests, generating sexual conflicts. This is particularly true in organisms that exhibit facultative sexuality, whereby females are capable of reproducing without fitness costs of mati…
View article: Variation in predation regime drives sex‐specific differences in mosquitofish foraging behaviour
Variation in predation regime drives sex‐specific differences in mosquitofish foraging behaviour Open
Predation is a well‐studied driver of ecological selection on prey traits, which frequently drives divergence in anti‐predator performance across environments that vary in predation risk. However, predation also alters prey mortality regim…