Results 91 to 100 of about 3,087 (195)

Use of macrofit indexes for evaluation environmental state of surface waters of Ukraine

open access: yesЛюдина і довкілля: Проблеми неоекології, 2017
Puporse. Approbation of the application of the method for assessment the ecological state of the rivers of the forest-steppe and steppe physiographic regions of Ukraine and justifying the possibility of using the aquatic macrophyte communities in the ...
Korobkova G. V.
doaj  

Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine. [PDF]

open access: yesPalaeontol Electronica, 2023
Kovalchuk O   +7 more
europepmc   +1 more source

CARBONIFEROUS CORALS AND CHAETETIDS FROM EXOTIC LIMESTONE BLOCK OF THE CRIMEA

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2015
A chaetetid sponge and coral fauna from a Carboniferous exotic limestone block in the Lower Jurassic Esciorda olistostrome on the Bodrak River (Crimean Mountains) are described for the first time. The Bodrak exotic block is composed of massive limestone.
VICTOR OGAR, ANDREY KLEVTSOVSKYI
doaj   +1 more source

New Records of Thecacineta cothurnioides and Trematosoma rotunda (Ciliophora, Suctorea) as epibionts on nematodes from the Indian Ocean [PDF]

open access: yes, 2009
This article deals with the report of two suctorian ciliates species viz. Thecacineta cothurnioides Collin, 1909 and Trematosoma rotunda (Allgén, 1952 ) as epibionts on Tricoma sp. and Pseudochromadora sp.
Chatterjee, Taras   +2 more
core  

Investigation of compactons in prestressed chains of balls [PDF]

open access: yes, 2019
Проведено чисельне моделювання розповсюдження усамітненої хвилі в однорідних та неоднорідних ланцюгах гранул сферичної форми, котрі перебувають в стані попереднього стиснення.
Венгрович, Дмитро Богданович
core  

Флора сосудистых водных растений Харьковской области (аннотированный список и основные параметры) [PDF]

open access: yes, 2017
Приводится список сосудистых водных растений Харьковской об- ласти, составленный на основе анализа литературных источников ХIX-XX вв., гербарных материалов и полевых исследований, выполненных авторами статьи.
Гамуля, Ю.Г.   +1 more
core  

New and revised taxa of Carboniferous spiriferides (Brachiopoda, Spiriferida) from the Donets Basin (Ukraine) and South Urals (Russia)

open access: yesEuropean Journal of Taxonomy
The brachiopods Meristorygma donakovae Poletaev, 2018, Johnsoniana nom. nov. from Mississippian strata of the Urals and Betaneospirifer stepanovi Poletaev, 2015 from Gzhelian rocks of the Urals are re-described. Tiramnia davidi sp. nov.
Vladyslav Poletaev
doaj   +1 more source

The ploidy and genetic structure of hybrid population of water frogs Pelophylax esculentus complex (Amphibia, Ranidae) of Ukraine fauna [PDF]

open access: yes, 2010
The complex study, including allozyme variability and cytometry of hybrid populations of green frogs Pelophylax esculentus (L., 1758) complex has confirmed that the only region of Ukraine where allodip loid are encountered frequently is the Severski ...
Mezhzherin, S.V.   +4 more
core  

The study of three hemiclonal population systems Pelophylax esculentus complex from the Seversko-Donetskiy center of green frogs diversity [PDF]

open access: yes, 2014
The structure of hemiclonal population systems (HPS) of Pelophylax esculentus complex from the Iskov pond (Gaydary village, Zmiyiv District), the Lower Dobritskiy pond (the region of Gomolsha river floodplain, Dobritskiy yar, the territory of the ...
Korshunov, O.V.   +2 more
core  

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