Issue no. 165 - Eutrophication, Cyanobacteria, and Cyanotoxins Newsletter
From the Mainstream Media / Dans les médias grand public
“It’s
getting worse” – US failing to stem tide of harmful farm pollutants
- “The US
Environmental Protection Agency (EPA) has called nutrient pollution “the
single greatest challenge to our nation’s water quality,” and acknowledges
that much of the nutrient pollution flowing into the northern Gulf
originates on agricultural land.”
- Government agencies “tell you they are spending all this money, therefore they must be doing something right,” she said. “But if you look at water quality data, at what’s really happening, it’s getting worse, not better.”
Video: Here’s What All the Earth’s Water
Looks Like In One Sphere
“2/3 of the planet’s surface is covered in water - but if you took every drop and formed it into a single ball, how big would it be? The answer may surprise you.”
How
Industrial Agriculture Affects Our Water
“Water pollution from industrial agriculture, including CAFOs, causes public health problems and huge environmental impacts.”
Science and
Technologies for Phosphorus Sustainability (STEPS) Center
“The STEPS vision is to facilitate a 25% reduction in human dependence on mined phosphates and a 25% reduction in losses of point and non-point sources of phosphorus to soils and water resources within 25 years.”
The Netherlands
is still battling to solve its nitrogen problem
“As Dutch society wakes up to the harsh reality that its environment is unable to sustain its current food system, the “nitrogen crisis,” which appears to be no closer to resolution, raises difficult questions about how to reform unsustainable systems and offers a glimpse of what may lie ahead for other countries.”
Unintended
Consequences of Stocking Grass Carp
“They have often done a great job meeting manager objectives and stakeholder goals. However, at times, they disrupt the ecosystem, initiating a chain of events that can adversely impact the waterbody and result in chronic cyanobacteria.”
A triple increase in
global river basins with water scarcity due to future pollution
“Our results stress the urgent need to address water quality in future water management policies for the Sustainable Development Goals.”
From the Scientific Media / Des médias scientifiques :
“In light of emerging data and ideas, we revisited foundational concepts within the context of Lake Erie algal blooms and derived five key take-aways:”
Lake
metabolism: Relationships with dissolved organic carbon and phosphorus
“Strong correlations between lake metabolism and landscape related variables suggest that allochthonous carbon influences lake metabolism.”
“By presenting critical information, this review is a valuable resource for researchers, policymakers, and stakeholders involved in developing sustainable and practical approaches to remove MCs.”
Protein NirP1
regulates nitrite reductase and nitrite excretion in cyanobacteria
“Our results reveal that NirP1 is widely conserved in cyanobacteria and plays a crucial role in the coordination of C/N primary metabolism by targeting nitrite reductase.”
Marine
eutrophication syndrome in the north-western part of the Black Sea
“This paper represents a synthesis of the ecological changes which have occurred in the Black Sea ecosystems in the past twenty years as a consequence of eutrophication.”
“This review focuses on benthic cyanobacteria, their capacity to produce several types of toxins, and their relationships with benthic macroinvertebrates beyond toxicity.”
“The development history of cyanobacteria blooms control technology at home and abroad was summarized through literature research, and application scope, application situation, advantages and disadvantages of typical cyanobacteria blooms control technology were reviewed.”
“Here, we demonstrate how Sharpley and his research have helped the Nordic researchers to understand the role of cover crops in cold environmental conditions, best manure P management practices, and ditch processes.”
Do
investments in phosphorus recovery from dairy processing wastewater pay off?
“In this article, we combine a systematic literature review with investment and efficiency analysis to investigate the financial feasibility of recovering phosphorus from dairy processing wastewater.”
Long-term
dairy manure amendment promotes legacy phosphorus buildup and mobility in
calcareous soils
“In the manure-amended
surface soils, calcium phosphate minerals increased compared to the controls.
Even after 2 years without manure amendment, soluble Ca-P mineral phases
persisted in the soils, which can be a long-term source of P leaching.”
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