Despite the fact that the man himself is a predator by nature,
in the ocean, there are many sea creatures
which pose a danger to humans
The most dangerous creatures pose a threat to humans ,
Sharks still pretty much in the ocean, and some sharks pose a deadly risk to humans.
First place, the danger room one 1: are Sharks.
Piranha. In second place, and in South America and perhaps in the first place
piranhas pose a high risk to humans.
One piranha can bite and even maim people
A school of Piranha can devour everything that is alive, a dog, a cow, a man has fallen into the water.
In South America hang these warning signs. Continue reading
One of the dangerous natural phenomena are often observed in the North-East of the Black sea and in the South-East of the Azov sea — tornadoes.
L. Z. according to PA . “…in most cases, the tornado is the most destructive phenomenon of nature”. They are quite frequent in many areas of the globe, particularly in Russia, Ukraine, Central Asia. In the U.S., for example, from tornadoes on land (they call them tornado) annual average of 113 people killed, and material losses amount to about 75 million dollars. According to others, the losses are even more significant . From 1916 to 1960 in the U.S. have 11503 tornado, from 1916 to 1950 died 7961 people, and the loss was $ 500 million. Statistics of losses in the USSR and the CIS, we could not be found. Probably not.
In the waters of the seas happen very dangerous spout. They occur near capes in shallow seas and at the boundaries of warm currents. It is believed that spout there are no more than 40 minutes; they have a diameter of 5-100 m. the Tornadoes on land are larger. The funnel of a tornado usually develops from a big rain clouds and resembles a twisted rope. She, however, may consist of a fresh water cloud, and to involve salt water. Inside the crater there is a strong downward movement of air at speeds up to 80 km/h. Continue reading
The black sea resorts of Crimea, Caucasus, Bulgaria, Romania – the most popular in summer and autumn seasons. We will talk about what dangerous marine animals can meet vacationers.
In the Black sea is home to two species of anemone (or sea anemone). This coelenterates animals, on the tentacles which have stinging cells that emit a strong poison. However, they cannot penetrate human skin, so in contact with Actinia he feels a slight burning.
To coelenterates animals are treated and all known jellyfish. The largest jellyfish – eared (Aurelia, or the sea saucer) and kornerot.
Aurelia is easily distinguished from Camerota on telcobridges body shape. These jellyfish are harmless enough, and the consequence of meeting with them is a slight reddening of the mucous membranes of the mouth and eyes.
Kornerot has a mushroom shape, from under a round dome with a diameter of up to half hangs a crown of tentacles. Stinging cells are located at comerota only on the tentacles, on the dome they are not. So IF YOU MET WITH SUCH a JELLYFISH WHILE BATHING, CALMLY TAKE HER HAND to the TOP of the DOME AND TAKE AWAY FROM HIMSELF, TRYING TO keep the TENTACLES have NOT TOUCHED YOUR BODY. Continue reading