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428 materials
Yellow Belt
Nothing special. My son passed the assessment and received a yellow karate belt.
Personal. Just Life
Just photographs...
Kholodna Hora. Mid-January. Evening. Snow Fell
As always, I could not finish everything over the weekend. Evening. The children were put to bed. Go to sleep? I decided to go outside with a camera. All these photos were taken on January 15, 2017, between 10 and …
Winter Haidary
Beauty and calm...
Real Winter!
Real winter... I went out into my yard to clear the path of snow, and took a few shots...
Makarian et al. (2016) Composition of green frog tadpoles in Iskove pond
Makarian R. M., Biriuk O. V., Korshunov O. V., Kravchenko M. O., Meleshko O. V., Trokhymchuk R. R., Shabanov D. A. Composition of tadpoles of green frogs (Pelophylax esculentus complex) in the Iskovyi pond (NNP «Homilshanski Forests») / Materials of …
Stakh et al. (2016) Features of GPS of Green Frogs of Korjakov Yar
Stakh V. O., Bobrova A. A., Yermakov D. V., Meleshko O. V., Tarasenko K. S., Korshunov O. V., Kravchenko M. O. Features of the hemiclonal population system of green frogs (Pelophylax esculentus complex) of the Koriakov Ravine (NPP «Homilsha Forests») …
Mastering New Techniques for Working with Frogs
My former graduate student, now a well-known Swiss researcher of anurans, Gleb, visited Kharkiv for a short while. He was showing our group new techniques for working with embryos that he had mastered recently. We gathered at the university on …
Roma's Son. First Karate Belt
For a long time I wanted my son Roma (the fourth of my five children) to take up some sport that would help organize his development — perhaps one of the Eastern martial arts. It was a bit frightening to …
Usova, Kravchenko, Shabanov (2015) Intrapopulation ontogenetic strategies in water frogs
Usova E. E., Kravchenko M. A., Shabanov D. A. Intrapopulation ontogenetic strategies in water frogs (Pelophylax esculentus complex) // Bulletin of V. N. Karazin Kharkiv National University. Series: Biology. – 2015. &nd...
Spawning of Common Toads-2016
This year, common toad spawning in Haidary was almost completed within one week. On Saturday, April 2, it was only just beginning; on Saturday, April 9, it was practically over...
Start of the 2016 Season. Haidary, February 28, and Eskhar, March 6
Gradually starting the field season...
A New Year gift for those who understand: two new books by Edward Wilson
I risk posting PDF versions of two superb books. They should be considered an essential part of biological education and necessary reading for intellectually mature people.
Vegetina, Biryuk, Shabanov (2014) Comparison of spermatogenesis stability
Veherina A. O., Biryuk O. V., Shabanov D. A. Sravneniye ustoychivosti spermatogeneza mezhvidovykh poluklonalnykh gibridov, Pelophylax esculentus, i obitayushchego sovmestno s nimi odnogo iz roditelskikh vidov, Pelophylax ridibundus. – Pratsi ukrainskoho herpetolohichnoho ...
Shabanov et al., 2015 & Biriuk et al., 2015 (Theses in Latvia)
Shabanov D., Usova O., Kravchenko M., Leonov A., Korshunov O., Mair Q., Meleshko O., Newman J., Vladymyrova M., Zholtkevych G. Sustainable coexistence of the parental species and hemiclonal interspecific hybrids is provided by the variety of ontogenetic strategies: simulation HPS …
Hoffmann et al, 2015. Genetic diversity and distribution patterns of diploid and polyploid hybrid water frog populations across Europe
An article was published in Molecular Ecology in which the author of this website also participated (as contributor of material). Unfortunately, access to the article is paid, so only the abstract is provided here. Hoffmann A., Plötner J., Pruvost N., …
Personal. Kind of a vacation
Normal people have vacations. We do not exactly. Practice ended in the second half of July, then came a backlog of paperwork (now electronic), and family care without weekends. Still, we managed one week at the field station.
Ponds in “Greater Haidary”: Iskov Pond, Koryakov Yar, Lower Dobrytskyi Pond
Another trip to green frog spawning sites...
Tymchenky. R-E-HPS Pelophylax esculentus complex on private property
Photos taken during a trip to Tymchenky village: both a visit to friends and to a green-frog population system inhabiting a private pond.
Usova (2014) Skeletochronological Study of Growth in Green Frogs from NPP "Homilshansky Forests"
Usova O. Ye. Skeletochronological study of growth in green frogs from ponds of the National Nature Park «Homilshansky Forests» and its environs // Biology and Valeology. — 2014. — Issue 16. — P. 51–61.