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Aquatic Environments

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38 connected topics.

News and Opinion

Coverage of aquatic environments since May 3, 2021.

Scientists assess insect biodiversity by analyzing airborne DNA

"...Scientists are already able to ascertain what species are present in aquatic environments, by analyzing the cast-off DNA which is present in the water. Now, for the first, a team has conducted an insect survey by analyzing DNA found in the air. So-called environmental DNA – or eDNA for short – is contained in feces, sloughed-off skin or other biological material dispersed by living organisms on an ongoing basis..."

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Symbiotic salamander/algae relationship may inspire new drugs

"...Spotted salamanders are unique among vertebrates, in that they're the only ones whose embryos have an algae living inside of them. Scientists are now hoping that a better understanding of this symbiotic relationship could lead to new drugs for humans. For some time now, it has been known that when the spotted salamander (Amblystoma maculatum) lays its eggs in aquatic environments, those eggs are harmlessly infiltrated by a green algae known as Oophila amblystomatis..."

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Masks: Good for Your Health, Bad for the Oceans

"...Given the prevalence of plastic pollution in our oceans, Wang and colleagues were interested in learning how discarded masks are impacting aquatic environments. In particular, they wanted to know if masks might be releasing microplastics: small pieces of plastic measuring less than five millimetres across that originate from the breakdown of larger plastic waste..."

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Disposable face masks lead to more microplastics in waterways: Canadian study

"...Microplastics are tiny plastic particles that are less than 5 millimetres long and are created through the degradation of discarded plastic-containing products. These particles have been observed polluting various natural ecosystems, particularly aquatic environments..."

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Bizarre worm-like amphibian is Florida's latest non-native species

"..."Very little is known about these animals in the wild, but there’s nothing particularly dangerous about them, and they don’t appear to be serious predators," says Sheehy. "They’ll probably eat small animals and get eaten by larger ones. This could be just another non-native species in the South Florida mix..."

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Brown trout become addicts in waters polluted with methamphetamine

"...Aquatic environments fed by streams of discharged wastewater are inherently prone to pollutants from human activity, and that can include the consumption of drugs, legal or otherwise. A field of research is forming around this phenomenon in an effort to uncover what it could mean for marine organisms, and a new study has shed some rather grim light on the matter, demonstrating a capacity for brown trout to become addicted to methamphetamine. Not a lot is known about the impacts of pharmaceutical and other drug waste on wildlife, but recent research is starting to highlight some of the risks that it poses..."

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Not acting like themselves: Antidepressants in environment alter crayfish behavior

"..."Crayfish eat algae, dead plants and really anything else at the bottom of streams and ponds. They play an important role in these aquatic environments. If they are getting eaten more often, that can have a ripple effect in those ecosystems," Lindsey Reisinger added..."

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Sea snakes show their sensitive side to court potential mates

"...In a new study published in Biological Journal of the Linnean Society, researchers at the University of Adelaide detail the enlarged touch receptors that evolved in male turtle-headed sea snakes (Emydocephalus annulatus), to help them locate and court females in aquatic environments..."

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Fungus creates a fast track for carbon

"..."Basically, carbon moves up the food chain in aquatic environments differently than we commonly think it does," said Anne Dekas, an assistant professor of Earth system science at Stanford University. Dekas is the senior author of a paper published June 1 in Proceedings of the National Academy of Sciences that quantifies how much carbon goes into parasitic fungi that attack microalgae..."

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Editorial: Go mineral if you're dipping into the water this summer

"...To date we have not been proactive in protecting our aquatic environments in the same way. It’s really only very recently that we’ve even begun to pay attention to this in any significant way. This summer the British Columbia Conservation Foundation in partnership with Vancouver Island University Chemistry Department and Applied Enviromental Research Lab will be taking a look at sunscreen compounds in the Cowichan watershed..."

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Like a Trojan horse, graphene oxide can act as a carrier of organic pollutants to fish

"...As a result of the surface characteristics of graphene, once in the aquatic environment, graphene could act as a carrier of organic pollutants, such as polycyclic aromatic hydrocarbons, to aquatic organisms. Accordingly, the CBET (Cell Biology in Environmental Toxicology) research group has evaluated not only the capacity of graphene oxide to sorb polycyclic aromatic hydrocarbons, but also the toxicity of graphene oxide alone and in combination with certain polycyclic aromatic hydrocarbons in embryo and adult zebrafish. The research was conducted in collaboration with the University of Bordeaux..."

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Stirling experts develop artificial intelligence to monitor water quality more effectively

"...Mr Werther said: "To understand the impact of climate change on freshwater aquatic environments such as lakes, many of which serve as drinking water resources, it is essential that we monitor and assess key environmental indicators, such as trophic status, on a global scale with high spatial and temporal frequency..."

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Recommended Reading

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Informative Video

Discussions, Documentaries, and Investigative Reports about aquatic environments.

Is the St. Lawrence River healthy? | Science in Action

"...CAROLINE GIRARD (Head, National Coordination and Integration, Water Quality Monitoring and Surveillance, Environment and Climate Change Canada): ..."

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Academic Research

Recent peer-reviewed papers about aquatic environments relevant to the latest news.

Climate Change a Great Threat to Fisheries

"...In recent years, the fisheries sector has been confronting with numerous challenges (including natural and anthropogenic) such as natural disasters, climate change, industrialization, environmental pollution, and overfishing..."

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Thermochemical Conversion of Biomass Waste to Amorphous Phase Carbon for Treating Industrial Waste Water

"...The first part of the chapter overviews the recent advances in thermochemical processes; used to produce functionalized lingo-cellulosic fiber, biochar and activated carbon for water treatmentwhich can strengthen sustainable circular economy..."

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Australia?s Natural Environment: A Warning for the World

"...Equivalent pressures face the biota of aquatic environments, with climate change interacting with other threats to produce poor prognoses for the future of freshwater resources and major marine ecosystems such as the Great Barrier Reef..."

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The effect of sponge city construction on non-point source load reduction: A case study in the Three Gorges Reservoir Area, Chin

"...The impact of non-point source pollution on the aquatic environment caused by surface runoff splash and scour on surface sediments is becoming increasingly prominent and poses a serious threat to water resource security in the Three Gorges Reservoir area..."

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Floating Cities and Equitable Grafting onto Marine Ecosystems

"...However, transplanting the large scale, static and perpetually connected land-based city model within an aquatic environment may prove challenging in terms of maintaining an equitable relationship between urban growth and marine ecosystem maintenance..."

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Application of Phycoremediation Techniques Toward Nutrients Removal from Wastewaters: Evaluation of Adsorption and Absorption M

"...In this chapter, the recent technologies that have been applied to eliminate and/or used to remove excessive nutrients in water ecosystems are discussed with special reference to microalgae..."

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Role of Environmental Science in Tackling Plastic Pollution

"...These 15 chapters present and discuss challenges in research, related, for example, to microplastics analysis, impacts of plastic litter on aquatic environments, plastic waste management, bioplastics; they also review case studies of plastic pollution and contamination in the Philippines, Brazil, Albania, Slovenia, Russia and East Asia, as well as the Mediterranean Sea at large..."

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Role of Modern Biotechnology in the Era of River Water Pollution

"...This is an approach to implement advanced scientific technologies such as; microbiology, molecular biology, biotechnology, bioinformatics, metagenomics and other omics platforms to observe, analyze, and manage the information obtained from aquatic ecosystems to develop superior biotechnological methods to maintain the quality of freshwater..."

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Taking the sparkle off the sparkling time

"...Glitter is used here as a paradigm for all emergent plastic pollutants which calls for a deeper rethinking of our concept of sustainability..."

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"...The heavy emergence of pollutants in the aquatic environment ranging from ng/l to mg/L is just a consequence of drastic and speedy anthropogenic activities..."

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Design and Synthesis of Nanostructured Photocatalysts for Water Remediation

"...The presence of pollutants in aquatic environment evoked a major challenge among the whole scientific community..."

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From burned slopes to streams: how wildfire affects nitrogen cycling and retention in forests and fire-prone watersheds

"...While fire is a natural process in many watersheds, it can still degrade water quality by rapidly flushing N to streams..."

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