Yuriy Berkela

Yuriy Berkela
  • Carpathan Biosphere Reserve

About

12
Publications
404
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12
Citations
Current institution
Carpathan Biosphere Reserve

Publications

Publications (12)
Article
The information about the process and the main results of the second stage of the process of nomination of Ukrainian sites of beech virgin and old-growth forests of Ukraine to the pan-European site of UNESCO World Natural Heritage "Beech forests and ancient forests of the Carpathians and other regions of Europe" are provided. Despite the individual...
Article
Full-text available
Structure, diversity and dynamics of primeval beech forests of the Ukrainian Carpathian Mountains analysed according to the results of three inventories on 10 ha permanent plot in 2000, 2005, and 2010. Uholka-Shyrokyi Luh forest compartment where this plot situated is a largest massif of primeval beech forests in Europe – close to 9,000 hectares. L...
Article
Solutions to a multicomponent generalization of the nonlinear Yajima-Oikawa model [see N. Yajima and M. Oikawa, Prog. Theor. Phys. 56, No. 6, 1719–1739 (1976; Zbl 1080.37592)] and their (2+1)-dimensional extensions are constructed in the explicit form. A vector Melnikov type system is integrated too.
Article
Some modifications of nonlinear Higgs model are considered. The exact solutions are constructed in explicit form.
Article
Full-text available
Exact solutions of a matrix generalization of nonlinear Yajima–Oikawa model are built in an explicit form. The Melnikov-like system was also integrated.

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