With this methodology, the factors most often mentioned as risks of negative or unintended consequences are a.) employing it too near coastal zones afflicted with
toxic algal species, and b.) pushing beyond literal «restoration» activities to seed unprecedented concentrations of new plankton growth.
A new report from the International Union for Conservation of Nature says ports and trade hotspots in the United States need to do more to detect and respond to foreign invaders like the quagga.Quaggas have transformed the Great Lakes ecosystem, outcompeting native species, harming fish populations, clogging up drinking water intake pipes and helping fuel
toxic algal blooms.
Outside of oceans, the researchers want these particular fish to be useful in freshwater environments as well; for instance, detecting
toxic algal blooms, which are increasingly problematic.
Phosphorus is the biggest cause of water quality degradation worldwide, causing «dead zones»,
toxic algal blooms, a loss of biodiversity and increased health risks for the plants, animals and humans that come in contact with polluted waters.
Last Congress, President Obama signed legislation to combat the serious problem of
toxic algal blooms affecting our oceans, beaches, rivers and lakes.
At the same time, elevated temperatures are causing more
toxic algal blooms that sicken people via contaminated seafood.
In 2014, the news was especially urgent in Toledo, where
a toxic algal bloom in Lake Erie forced health officials to declare the water unsafe for drinking and bathing.
He has thrown his weight behind the «Trash Free Seas» bill to address marine debris, and cosponsored an important bipartisan bill to mitigate
toxic algal blooms and dead zones.
In 2014, 13,000 acres of shellfishing grounds were closed because of
toxic algal blooms.
An unprecedented coastwidwide
toxic algal bloom linked to anomalous ocean conditions.
The researchers found that multiple cyanotoxins from
toxic algal blooms are present year - round, albeit in very low concentrations.
When filter feeders are present during
toxic algal blooms, they can concentrate algal toxins in their tissues.
Determining how much carbon is sequestered during such experiments has proved difficult, however, and scientists have raised concerns about potential adverse effects, such as
toxic algal blooms.
Locals and others suspected
a toxic algal bloom (see here for image), or perhaps some sort of chemical release, or millions of microscopic «crustacean eggs».
A newly published study published online in the April 24 edition of the Proceedings of the National Academy of Sciences entitled, «Ocean warming since 1982 has expanded the niche of
toxic algal blooms in the North Atlantic and North Pacific Oceans,» demonstrates that one ocean consequence of climate change that has already occurred is the spread and intensification of toxic algae.
Previously, some scientists had suggested that
toxic algal blooms may have tainted the lake.
NOAA, NASA, EPA, and the U.S. Geological Survey announced, in April, a $ 3.6 million multi-agency research effort designed to be an early warning system for freshwater nuisance and
toxic algal blooms by using satellites that can gather color data from freshwater bodies during scans of the Earth.
Overfishing also makes the ocean more prone to
toxic algal blooms, jellyfish blooms and dead zones.
Schnetzer and colleagues created their own
toxic algal bloom in the lab using P. australis algae, one of the most toxic Pseudo-nitzschia species and one that blooms along the U.S. West Coast.
Astrid Schnetzer, associate professor of marine, earth and atmospheric sciences at NC State, wanted to know how domoic acid gets transported to depth via marine snow after
a toxic algal bloom and how long it may persist.
They considered all the main issues affecting penguin populations including; terrestrial habitat degradation, marine pollution, fisheries bycatch and resource competition, environmental variability, climate change and
toxic algal poisoning and disease.
Some of the algae, or phytoplankton, manufacture saxitoxin, a poison so devastating it is the underlying cause of paralytic shellfish poisoning, an often - lethal reaction to shellfish that are storing
toxic algal cells.
A study led by researchers at the University of Washington and the National Oceanic and Atmospheric Administration connects the unprecedented West Coast
toxic algal bloom of 2015 that closed fisheries from southern California to northern British Columbia to the unusually warm ocean conditions — nicknamed «the blob» — in winter and spring of that year.
Ocean climate cycles could help understand and better predict the emergence of
toxic algal blooms.
«Ocean conditions contributed to unprecedented 2015
toxic algal bloom.»
This collection of stories investigates low - dose arsenic contamination in rice and other risks to food safety like
toxic algal blooms, E. coli in raw meat, BPA in plastics and poisonous honey.
When this water, called submarine groundwater discharge (SGD), trickles through contaminated soil and rock, it can pick up and transport a variety of ions, nutrients, and chemicals to the sea — including pollutants that contribute to coastal dead zones and
toxic algal blooms.
Human health challenges as a result of global warming range from injuries after more intense storms to
toxic algal blooms
The freshwater bodies on 38 percent of Earth's land area (not including Antarctica) are overly enriched with phosphorus, leading to potentially
toxic algal blooms and less available drinking water, researchers report January 24 in Water Resources Research.
Environmental proposals include a $ 65 million initiative to combat
toxic algal blooms and ongoing investments in clean energy infrastructure and offshore wind projects.
US Senator Chuck Schumer is pushing for more money to fight
toxic algal blooms in upstate New York lakes.
Not exact matches
Senator Charles Schumer, the Senate minority leader, has called on Congress to quickly pass the Harmful
Algal Bloom and Hypoxia Research and Control Act, which he said would help combat the rise in
toxic algae found in Long Island waterways.
At 11 a.m.,
Toxics Targeting Inc. holds a news conference releasing photos of
algal blooms threatening the sources of public drinking water for residents of Syracuse, Auburn, Rochester, Ithaca and other communities across New York, state Capitol, third floor, adjoining to the LCA Press Room, Albany.
It also completely removes funds for the Great Lakes Restoration Initiative, a program devoted to cleaning
toxic contamination as well as other problems including invasive species and harmful
algal blooms in the Great Lakes.
Algal blooms that are
toxic to fish and animals would increase by 5 percent.
Grossman explains: «One theory that we are exploring is that under heat - stress conditions the corals eject the
algal symbionts at night in order to avoid the production and accumulation of photosynthetically - derived
toxic oxygen molecules during the day.
These findings have implications for food safety policies in areas affected by
toxic marine
algal blooms.
«A fundamental question has been whether we can directly link expansion of harmful
algal blooms to a warming ocean; this paper provides critical, quantitative evidence for just that trend, confirming an expected, but difficult to test, direct link between
toxic blooms to climate,» said Dr. Raphael Kudela, Professor of Ocean Sciences, University of California Santa Cruz, a national
toxic algae expert who was not part of the study.
Burleson identifies and analyzes toxins created by the «red tide» phenomena — an
algal bloom that looks red or brown and can make oysters and shellfish
toxic to eat.
Spatiotemporal changes in the genetic diversity of harmful
algal blooms caused by the
toxic dinoflagellate
Increasing
algal bloom is poisoning fish and shells, and it has become a health hazard for human beings as well:
toxic algae are responsible 60,000 cases of food poisoning worldwide every year.
It is important for veterinarians to encourage owners to keep their pets (and themselves) away from harmful
algal blooms as prevention is key to avoiding potential
toxic signs.
But pasture analysis would help including toxicology to rule this out and also looking at other potential
toxic factors — perhaps in water although plenty of this around this year — I doubt
algal toxicosis as a trigger but all this should be ruled out.
Harmful
algal blooms don't just wreak havoc by causing oxygen - starved dead zones, they have the potential to be
toxic to humans, land animals and aquatic life.
«
Toxic or harmful
algal blooms are not a new phenomenon, although many people may know them by other names such as red tides.
The impacts of harmful
algal blooms (HABs) in the Great Lakes are being assessed using a range of economic metrics capturing the loss of services provided by the lakes (e.g. increased drinking water treatment costs, property value losses, beach closures), as well as the direct effects of
toxic microcystin on public health (Bingham et al 2015, IJC 2013)-- such events are expected to increase in frequency and severity in a changing climate (Michalak et al 2013).