Date: 7 months ago   Category: Science

Scientists announced distribution in reservoirs of dead zones


Recently their quantity grows in city reservoirs. In these zones the amount of oxygen is reduced to a minimum. Scientists from Duke University (USA) said that the quantity of dead zones grows in city reservoirs. They received this name for minimum content of dissolved oxygen. These zones causes mass death of fish and other living beings, Science Alert writes. As the hypoxia reason (decreases in content of oxygen in water) serves active use by the person of fertilizers which, in turn, bring in growth of number of seaweed. They are the key reason of exhaustion of oxygen in waters. In the World Ocean dead zones began to notice even more often. One of them is recorded in the Gulf of Oman and its area is comparable to the sizes of Scotland. At the same time the dead zone continues to grow inevitably. In general in the world there are about 400 large dead zones so far. Their distribution serves as one of the main reasons of mass extinction of live organisms on the planet. Earlier it was reported that Iran gradually plunges under the earth. The city sinks in high gear - 24 centimeters annually. News from the Correspondent.netv of Telegram. Subscribe for our https://t.me/korrespondentnet channel

URL:

Today

just now

The singer stumbled and "sat down" on the stage. To it participants of the ballet quickly helped to rise. Owing to an incident the star did not suffer. The American singer Christina Aguilera fell from...

just now

In the current year the average cost of oil will be 65.5 dollars for barrel, and in the following lower than 64 dollars will fall. The International Monetary Fund revised the forecast of the world pri...

just now

All income from a match will be gained by "miners". Roma and Shakhtar agreed to play a friendly match on August 11 in Rome at the Olympic stadium. Corriere dello Sport reports about it. Teams agreed a...

just now

Antawn Grizmann began a duel with start. In about Tuesday, July 23, in Japan in a friendly match Barcelona and Chelsea met. British were stronger than Catalans, having won with the score 2:1. For "blu...