Description
Habitat Preferences of Diploid and Polyploids Spined Loaches (Сobitis elongatoides – taenia – tanaitica) in the River Systems of Western and Central Ukraine. Mezhzherin, S. V., Tsyba, A. A., Rostovska, O. V. –The analyzes the structure of diploid and polyploid populations within the spined loach group (Сobitis elongatoides – taenia – tanaitica) in the water systems of Western and Central Ukraine (Danube, Dniester, Southern Bug, Vistula, Middle and Upper Dnipro river basins). It reveals a bipolarity in settlement structure, characterized by a sharp prevalence of either diploids or polyploids, with no geographical trends in spatial distribution. Clonal hybrid polyploids, constituting 70% of the studied region's individuals, predominate in settlements along the main river channels, as well as in the middle and lower reaches of first and second-order tributaries. Populations where individuals of the parent species dominate are situated on the periphery: in accessory systems, tributaries of the third and higher orders, upper reaches of first and second-order tributaries, and lakes. This spatial segregation arises from historical circumstances rather than ecological preferences, primarily due to the distance from water corridors through which polyploids invaded in the 1960s-1970s. The displacement of diploid individuals of parent species by clonal hybrid polyploids is described as a universal phenomenon, linked to the advantages of parthenogenetic reproduction and higher survival rates of polyploids in modern ecological conditions.
Data Records
The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 108 records.
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Rights
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The publisher and rights holder of this work is I. I. Schmalhausen Institute of Zoology. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
This resource has been registered with GBIF, and assigned the following GBIF UUID: 32e79b23-ced1-49e1-a579-90d97e675125. I. I. Schmalhausen Institute of Zoology publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Participant Node Managers Committee.
Keywords
Occurrence
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https://orcid.org/0000-0003-2905-5235
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Geographic Coverage
Western and Central Ukraine
| Bounding Coordinates | South West [-90, -180], North East [90, 180] |
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Taxonomic Coverage
Diploid and polyploid spined loaches (Cobitis elongatoides – taenia – tanaitica)
| Kingdom | Animalia |
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| Phylum | Chordata |
| Class | Actinopterygii |
| Order | Cypriniformes |
| Family | Cobitidae |
Temporal Coverage
| Formation Period | 2000-2021 |
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Additional Metadata
| Alternative Identifiers | https://ukraine.ipt.gbif.no/resource?r=cobitis |
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