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Chapter 5: Evaluates standing crop measurements and metabolic responses of biofilms developed in three different mesocosm experiments each spiked on a regression with microplastics
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This study looked at biofilms, thin layers of microorganisms, grown in three separate lab tank experiments where microplastic levels were gradually increased. It measured the amount of biofilm growth and its metabolic activity in response to the different microplastic amounts. The abstract does not provide specific results of these measurements.
Chapter 5: Evaluates standing crop measurements and metabolic responses of biofilms developed in three different mesocosm experiments each spiked on a regression with microplastics
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Chapter 6: Explores standing crop and community composition of periphyton (algal component of biofilms) from in-lake mesocosms spiked on a regression with microplastics.
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This study, part of a larger thesis, looked at algae growing on surfaces (called periphyton) in lake-based test enclosures exposed to varying amounts of microplastics. Researchers measured how much algae grew and which species were present at different microplastic levels.
Thesis Chapter 4: Measuring shading effect from floating microplastics, microplastic exposure in biofilm, and influence of MPs on biofilm in mesocosms
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This study used outdoor tank experiments (mesocosms) with added microplastics to examine freshwater biofilm communities. Researchers measured how floating microplastics blocked light, how much microplastic ended up within the biofilm, and how the biofilm's overall growth was affected.
Monitoring of biofilm growth on the microplastic surface
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The formation and growth of biofilms on floating polyethylene microplastics was monitored over time in the laboratory, tracking how microbial communities establish and mature on plastic surfaces. Biofilm development changed the surface properties of the microplastics, including their buoyancy and ability to adsorb other chemicals. Understanding biofilm dynamics on microplastics is important because biofouling significantly affects where plastic particles go and what contaminants they carry in aquatic environments.
The impacts of polystyrene microplastics on development, energy transfer and nutrient cycling of biofilms: A comprehensive chronic toxicity study
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A chronic toxicity study found that polystyrene microplastics inhibited freshwater biofilm development, reducing biomass, photosynthetic activity, and nutrient cycling rates, with effects increasing with MP concentration over the 60-day exposure period.
Impacts of plastic surface on the periphyton under different nutrient and temperature: A mesocosm experiment
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This mesocosm experiment investigated how microplastics affect periphyton (biofilm communities that grow on surfaces in water) under different nutrient levels and temperatures. Microplastics altered periphyton development in ways that could affect oxygen production and the feeding of organisms that graze on biofilm, with potential ripple effects throughout aquatic food webs.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.