Occurrences of diploid and polyploid spined loaches (Cobitis elongatoides – taenia – tanaitica) in the river systems of the Western and Central Ukraine

Occurrence
Latest version published by I. I. Schmalhausen Institute of Zoology on Oct 13, 2023 I. I. Schmalhausen Institute of Zoology
Publication date:
13 October 2023
License:
CC-BY 4.0

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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

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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

Contacts

Sergiy Mezhzherin
  • Originator ●
  • Point Of Contact
  • Curator
I.I. Schmalhausen Institute of Zoology NAS of Ukraine
  • Bohdana Khmelnytskogo, 15
01030 Kyiv
Kyiv
UA
  • +380632636663
Anton Tsyba
  • Metadata Provider ●
  • Originator ●
  • Point Of Contact
  • User
I.I. Schmalhausen Institute of Zoology NAS of Ukraine
  • Bohdana Khmelnytskogo, 15
01030 Kyiv
Kyiv
UA
  • +38095530107
Andriy Babytskiy
  • User
  • Collection Manager
I.I. Schmalhausen Institute of Zoology NAS of Ukraine
  • Bohdana Khmelnytskogo, 15
01030 Kyiv
Kyiv
UA
  • +380967774413

Geographic Coverage

Western and Central Ukraine

Bounding Coordinates South West [-90, -180], North East [90, 180]

Taxonomic Coverage

Diploid and polyploid spined loaches (Cobitis elongatoides – taenia – tanaitica)

Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Cypriniformes
Family Cobitidae

Temporal Coverage

Formation Period 2000-2021

Additional Metadata