Sentences with phrase «algal blooms which»

Nutrient pollution fuels the growth of harmful algal blooms which devastate aquatic ecosystems.
These elements are known to encourage algal blooms which block out sunlight and stunt the growth of coral.

Not exact matches

They started by adding carbon to Lake 227 which disproved the detergent industry's theory on the origin of algal blooms.
Harmful algal blooms are increasingly appearing due to the exposure of particular algae to the nitrogen in synthetic fertilizers, which enters waterways via farm runoff.
Cuomo yesterday kicked off the first in a series of four summits addressing upstate lakes and other waterways threatened by harmful algal blooms, which can affect water quality and diminish recreational opportunities and tourism.
Too much nitrogen in water can lead to algal blooms, which reduce oxygen in water and kill large numbers of fish.
Algal blooms, which decrease the clarity of the water, have all but disappeared in the past decade.
FEELING GREEN Freshwater bodies on more than a third of Earth's land area (excluding Antarctica) are maxed out on phosphorus, which can help create algal blooms such as this one.
In summer, melting sea ice releases nutrients into the water, which triggers vast algal blooms.
Since the algal species is native to eastern Canada, its recent blooms and rapid proliferation in rivers since 2006 — which have angered anglers looking for pristine waters — have been caused by an environmental trigger, with climate change a likely culprit, said Michelle Lavery, a master's degree student at the Canadian Rivers Institute and lead author of the research, published in theCanadian Journal of Fisheries and Aquatic Sciences.
Excess amounts from human activities often end up in rivers, streams and coastal environments, causing algal blooms, loss of sea grass and low oxygen levels in the water, which can kill large numbers of fish and other organisms.
For years scientists have known that nitrogen and phosphorus, which commonly enter freshwater lakes in chemical fertilizers, play a role in eutrophication — the process by which algal blooms, turbidity, and oxygen deficiencies turn a lake into a dead zone, largely devoid of animal life.
Nutrients would pour down off the increasingly denuded land into the sea, triggering massive algal blooms, which would exhaust the water of oxygen and threaten fish.
Excess nutrients are a primary cause of algal blooms, which have a number of impacts, including impairing drinking water quality, robbing aquatic life of needed oxygen and closing beaches to swimming.
«It has long been thought that the algal blooms found in Lake Okeechobee, which are caused by pollution such as runoffs from farms, were solely responsible for driving the blooms and their toxins in the St. Lucie Estuary,» said Brian E. Lapointe, Ph.D., lead author of the study and a research professor at FAU Harbor Branch, who recently presented these findings at the ninth U.S. National Harmful Algal Bloom Conferalgal blooms found in Lake Okeechobee, which are caused by pollution such as runoffs from farms, were solely responsible for driving the blooms and their toxins in the St. Lucie Estuary,» said Brian E. Lapointe, Ph.D., lead author of the study and a research professor at FAU Harbor Branch, who recently presented these findings at the ninth U.S. National Harmful Algal Bloom ConferAlgal Bloom Conference.
Results of the study, which uncovered a major source of nutrients driving the harmful algal blooms, stink.
«In the St. Lucie Estuary study area, septic - to - sewer programs, which include nitrogen and phosphorus removal through advanced wastewater treatment, could help meet this challenge and mitigate future harmful algal blooms,» said Lapointe.
These nutrients end up in rivers and streams as the result of human activities and can cause algal blooms, loss of seagrass and low oxygen levels, which can lead to large numbers of fish and other organisms dying.
The company's CEO, Bill Vass, says his submarines provide more precise data than satellites, which are used to track wind speeds, wave heights and algal blooms.
I'm quite intrigued by their one about manufacturing urea to feed into the oceans to seed algal blooms, which somewhat goes against what I've read about the problems we're storing up synthesising nitrogen fertilizers.
One topic of discussion was the algal blooms in Qinghai Lake, which are relatively unprecedented for this region.
Instead of ice I see a lot of algal blooms in Isfjorden, the fjord on the southern side of which lies Longyearbyen.
Ocean Champions Endorses Senator Rob Portman (R - OH) Cosponsored harmful algal bloom legislation in Senate — Ocean Champions» # 1 Legislative Priority Washington, D.C. — March 24, 2016 — Ocean Champions, which works to build political power for the oceans and lakes by helping to elect pro-ocean...
He has used his seat on the House Committee on Science, Space, and Technology to advance legislation on ocean acidification, protection of Washington's scenic and wild rivers, and joined in supporting Ocean Champions» top priority in the 113th Congress — reauthorization of legislation to combat harmful algal blooms and hypoxia — which was signed in to law earlier this summer.
This causes stagnent seas which with the massive runoff from the land carrying huge nutrient loads become huge algal bloom fields.
Harmful algal blooms, which often produce a toxin and occur in both salt and fresh water, are known to kill fish, marine mammals, and birds; they can contaminate shellfish with toxins and harm human health, sometimes resulting in fatalities.
These warming spikes could be due to methane hydrate releases, or to global eutrophication caused by a hyperactive hydrological cycle, which might cause algal blooms on a global scale.
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.
very limited time window on dumping 100 times more iron than is needed into the sea with even more acid to get a simple algal bloom, some of which [at worst it seems only 1 %] falls to the bottom when the whole lot dies....
a b c d e f g h i j k l m n o p q r s t u v w x y z