Sentences with phrase «create algal blooms»

One high - profile discovery at Palmyra is how rain washes nitrogen - rich droppings from the island's abundant seabird colonies into the sea, where the nutrients create algal blooms.

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.

Phosphorus runoff creates algal blooms in freshwater lakes and streams.

It kills aquatic life and creates algal blooms that can suffocate fisheries.

Not exact matches

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.

Large - scale experiments where scientists spray iron into the waters, literally fertilizing phytoplankton, have created huge human - made algal blooms.

During the third event, in September 2012, another algal bloom created so much dead algae that it clogged the researchers» sediment traps, but was captured by a time - lapse camera.

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.

Profligate fertiliser use led to algal blooms and dead zones in waterways; excessive irrigation raised the level of salty groundwater creating saline soils, and pesticide overuse not only caused environmental damage, it back - fired causing pest resistance.

Direct exposure to algae Harmful algal blooms sometimes create toxins that can kill fish and other animals.

And excess nitrogen fertilizer applied to the fields of feed corn grown to satisfy the world's livestock runs off into streams and rivers, sometimes flowing to coastal waters where it creates large algal blooms and low - oxygen «dead zones» where fish can not survive.

Death by Algae Under the right conditions — warm water and a boost of nutrients — algae can grow so explosively that those toxins become a problem, creating what's called a harmful algal bloom, or HAB.

The nutrient surge creates huge algal blooms that then die and decompose, consuming the free oxygen in the water, leading to the death of fish.

Geoengineering aims to cool the Earth by methods including spraying sulphate aerosols into the stratosphere to reflect sunlight, or fertilising the oceans with iron to create carbon - capturing algal blooms.