Gorlov P. Common crane (Grus grus) in Ukraine (migrations, distribution, breeding biology, seasonal congregations)

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0412U005610

Applicant for

Specialization

  • 03.00.08 - Зоологія

25-09-2012

Specialized Academic Board

Д 26.153.01

Schmalhausen Institute of Zoology of National Academy of Sciences of Ukraine

Essay

As a result of research refined modern abundance and distribution of Соmmon Crane in Ukraine. Characterized by the migration process, the structure of the local population and the impact of weather on reproduction. Describe the 188 nests, for 137 of which the incubation of 259 eggs. Investigated the individual, inter-seasonal and geographical differences in the breeding season. A table of decrease of eggs' specific gravity during the incubation was performed. The formula for calculating of nestlings' weight from egg volume was suggested. Describe the seasonal concentrations of birds.

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