MOSCOW, Aug. 15 — RIA Novosti.Ornithologists are trying to figure out the cause of death 90% of the Pacific gull chicks on an island in Lake Kronotsky, the press service of the Kronotsky reserve Monday.
"In 2010, on the island in the waters of the Baer Kronotsky lake after a 20 year break was taken into account Pacific gull nests, we counted 400 pairs. If last year's chick mortality was 15%, and this year lost 90%" — are words in the message Researcher reserve ornithologist Theodore Kazan.
The researchers planned to ring about 200 chicks, and actually secured only 10 marks.
In order to find out the cause of high mortality of gulls, experts sent dead chicks on laboratory research in Magadan.
In addition, ornithologists have found that this year in Semyachikskogo estuary at the southern boundary of the reserve was not satisfied with the slot in the Red Aleutian tern, although in previous years the colony had up to 400 pairs.
However, this year I flew a large flock of reserve rare in Kamchatka, as noted by the authors, pink seagulls. Usually, this species is distributed in the north-eastern Siberia.
Kronotsky Reserve has in the management of two protected areas with different statuses: actually Kronotsky Reserve and the South Kamchatka Sanctuary.
The total area of the reserve is 1.14 million hectares. At the reserve there were 35 falls and eight active volcanoes. Area of the South Kamchatka Sanctuary is 225 hectares.