Atamas' N. Yellow-legged Gull' (Larus cachinnans Pallas, 1811) ecological traits as a result of its dispersal over Ukraine

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0408U002472

Applicant for

Specialization

  • 03.00.08 - Зоологія

03-06-2008

Specialized Academic Board

Д 26.153.01

Schmalhausen Institute of Zoology of National Academy of Sciences of Ukraine

Essay

The dissertation deals with a research upon causes, conditions, ecological mechanisms of vertebrate invasions using Larus cachinnаns as a model - an invasive species on continental part of Ukraine. Changes of its historical natural habitat upon Ukraine, mostly the development of new colonies and new sites of wintering and migration ways changing were considered. It is assumed, that this circumstance is associated with occurrence of intraspecific competition for fish food in nest groups. Further increase in intraspecific competition is predicted.

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