Results 11 to 20 of about 1,020 (204)

Load of nutrients and organic substances of the Don River basin (Severskyi Donets sub-basin)

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія Геологія. Географія. Екологія, 2023
Formulation of the problem. The main danger of organic substances is the use of large amounts of oxygen for its oxidation. As a result, there are conditions of oxygen deficiency in polluted water sometimes to the formation of hypoxia.
Olha Ukhan, Nataliia Osadcha
doaj   +3 more sources

Carapaces of the Dnieper-Donets Basin as a New Exploration Target for significant hydrocarbon deposits

open access: yesГеофизический журнал, 2022
New geological structures — displaced blocks of salt overburden — were identified in the axial part of the Dnieper-Donets basin (DDB) beside one of the largest salt domes due to modern high-precision gravity and magnetic surveys and their joint 3D ...
T.O. Petrovska   +3 more
doaj   +2 more sources

Climate monitoring as an indicator of the hydrological condition of the Siversky Donets river basin

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія Геологія. Географія. Екологія, 2022
Formulation of the problem. Today, in changing climate conditions, it is very relevant to study the impact of regional climate change on the regime of hydrological indicators and ecological status of the Siversky Donets river basin within Kharkiv region.
Svitlana Reshetchenko   +4 more
doaj   +3 more sources

Orchids of the central basin of Siversky Donets in nature and in initial culture

open access: yesІнтродукція Рослин, 2000
The data on species content, distribution and structure of orchid population in the central basin of Siversky Donets are cited. The results of researches on cultivation and propagation of some orchid species under the condition of M.M.
M.B. Gaponenko, Y.V. Minina
doaj   +3 more sources

Rare and vanishing plants in the central basin of the Siversky Donets, their conservation in nature and in culture

open access: yesІнтродукція Рослин, 1999
An analysis of rare flora of Central Basin of the Siversky Donets is presented. The reason of decreasing of some local species and the problems of conservation in situ and ex situ are considered.
Y.V. Minina, M.B. Gaponenko
doaj   +2 more sources

Discovery of Late Mississippian (late Serpukhovian)-Early Pennsylvanian (earliest Bashkirian?) foraminiferal assemblages from the Sanandaj-Sirjan Zone, Iran: Biostratigraphic and palaeoenvironmental implications. [PDF]

open access: yesGeol J (Chichester), 2023
The new discovery of the Late Mississippian (late Serpukhovian)–Early Pennsylvanian (early Bashkirian?) foraminiferal assemblages, providing the palaeoecological data about the upper Serpukhovian–lowermost Bashkirian? foraminiferal faunas, and identifying the depositional environments of the Sanandaj–Sirjan Zone during this time, as well as describing ...
Fassihi S   +3 more
europepmc   +2 more sources

Review of the cellulose acetate peel method and the physical and digital curation of coal balls. [PDF]

open access: yesAppl Plant Sci, 2023
Abstract Coal balls, in which fossil plants are preserved in permineralized peat deposits, have widely been described from coal deposits representing the tropical forest of the Carboniferous. Coal ball preparation techniques have evolved over the past century, with the cellulose acetate peel method becoming the standard in the 1950s.
Lakeram SR, Elrick S, Punyasena SW.
europepmc   +2 more sources

Invertase and urease activities in the reclamated land of the western Donets basin

open access: yesVìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Bìologìâ, Ekologìâ, 2009
The research data on activities of invertase (as one of the most important enzymes for soil biological activity, humus content and soil fertility) and urease (as an enzyme of nitrogen metabolism, which transforms the inorganic nitrogen compounds into the
O. M. Vasilyuk, A. F. Kulik
doaj   +3 more sources

Bashkirian conodonts of the Donets Basin, Ukraine

open access: yes, 1999
The present study reports upon the conodont fauna of the Upper Serpukhovian through Lower Moscovian of the Donets Basin, Ukraine. Three new species are described: Declinognathodus? pseudolateralis, Idiognathodus praedelicatus and Idiognathoides postsulcatus.
Nemyrovska, T.I.
openaire   +2 more sources

The supercontinent cycle and Earth's long-term climate. [PDF]

open access: yesAnn N Y Acad Sci, 2022
The supercontinent cycle, by which Earth history is viewed as having been punctuated by the episodic assembly and breakup of supercontinents, has, through its management of plate motion, planetary geography, sea level and mantle circulation, profoundly influenced Earth's long‐term climatic history.
Nance RD.
europepmc   +2 more sources

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