At coast of Caspian sea in Kazakhstan since April, 2007 already died 363 seals (Phoca caspica). On preliminary data of the Ministry of Emergency Measures of Kazakhstan, the reason of destruction of animals became adverse weather conditions.
On preliminary data of the Ministry of Emergency Measures of Kazakhstan, till February, 20th of current year , the most part of Northeast Caspian sea has not been covered by an ice that could be reflected negatively in a population of seals (Phoca caspica ) during time when they have puppies. Since February, 21st - 22nd in connection with approach of frosts, the ice has covered all northern part of the sea, however because of warm weather by March, 20th it has completely thaws, and it could affect a condition of an population growth rate adversely.
As minister of preservation of the environment of Kazakhstan Nurlan Iskakov has declared, the exact reasons of destruction of animals are establishing by the special interdepartmental commission and on it can standing about two weeks. Preliminary researches of internal body parts of dead seals have not revealed the raised maintenance of heavy metals particles and presence of pesticides, also in sea water it was not revealed mineral oils in area of a mass die-off animals.
Minister of preservation of the environment has already disposed to cancel accommodation of any waste at any kinds of drilling on a shelf of Caspian sea. Now, as he said, on a shelf of Caspian sea operates “the principle of zero dumpâ€.
As is known, at Karazhambas and Kalamkas - large oil deposits at coast of Caspian sea in the West of Kazakhstan, intensive oil extracting is conducted already more than 25 years.
In 2000 at the Caspian coast in Mangistausk area was lost about 10,5 thousand seals. Then the reason of their destruction have named a chronic toxicosis. In several years ,by biological features, in an organism of animals collected offshore oil toxins and agricultural pesticides, as has led to intensively decrease in immunity at seals and to their susceptibility to infectious diseases.
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