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Information on the distribution, occurrence, and abundance of zooplankton in the basin of the Middle Volga River, Russia

Citation

Mukhortova O, Senator S, Unkovskaya E (2021). Information on the distribution, occurrence, and abundance of zooplankton in the basin of the Middle Volga River, Russia. Version 1.7. Institute of Ecology of the Volga river basin of Russian Academie of Sciences. Sampling event dataset https://doi.org/10.15468/k96rq7 accessed via GBIF.org on 2024-12-15.

Description

The presented dataset contains information on the distribution and species composition of zooplankton (rotifers and crustaceans) registered in the basin of the Middle Volga River, Russia. The studies have been performed in the Kuibyshev Reservoir (Samara Oblast and the Republic of Tatarstan), the Saratov Reservoir (Samara Oblast), in several lakes (Raifskoe, Gniloe, Krugloe, and Lenevo) in the Volzhsko-Kamsky State Biosphere Reserve (Republic of Tatarstan), and in Lake Aslikul, one of the largest lakes of the Middle Volga River basin, located in the Asly-Kul Natural Park (Republic of Bashkortostan). The hydrobiological data were obtained and published from 1957 to 2020. In total, the dataset includes 5141 records of 111 zooplankton species (including 17 subspecies), belonging to 45 genera while naturalized species and invasive species (less than 1.5%).

Sampling Description

Study Extent

The presented dataset on taxonomic compositions and abundance of zooplankton in the Middle Volga River basin is based on published materials (Kutikova, 1970; Methodology..., 1975; Timokhina, 2000; Popov, 2006; Mukhortova, 2008; Taxonomic key..., 2010; Mukhortova, Sabitova, 2014; Rubanova et al., 2020) and the authors' original materials (samples). The species list includes native species and naturalized species, including invasive. The dataset contains mainly native species (98.5%), while naturalized (including invasive) species account for no more than 1.5%. The term "invasive species" is considered according to the widely accepted description (Zhdanova et al, 2016; Lazareva, 2019; Shurganova et al., 2021).

Sampling

The identification of the species composition of zooplankton was performed in 1957–2020. Standard hydrobiological methods for studying zooplankton were applied (Methodology…, 1975; Taxonomic key…, 2010). Sampling grids have been developed. Monographs (Timokhina, 2000; Popov, Mukhortova, 2016, etc.) and review articles (Timokhina, 1983; Popov, 2013; Mukhortova, 2010; Mukhortova, Sabitova, 2021, etc.) were used to compile the list of species.

Quality Control

All samples were identified by the researchers working in the Institute of Ecology of the Volga Basin, Russian Academy of Sciences, and were stored in the scientific collection of the institute. The reliability of the taxonomic definitions was confirmed by taxonomists of A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences (Korovchinsky et al, 2021; Sinev, Gavrilko, 2020; Sinev, Karabanov, Kotov, 2020). The taxonomic nomenclature is given in accordance with the taxonomic system GBIF Backbone Taxonomy (GBIF Secretariat, 2021). In order to publish the dataset on the GBIF network, the records have been adjusted according to the Darwin Core specifications (Wieczorek et al., 2012). All samples were identified by the researchers working in the Institute of Ecology of the Volga Basin, Russian Academy of Sciences, and were stored in the scientific collection of the institute. The reliability of the taxonomic definitions was confirmed by taxonomists of A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences (Korovchinsky et al, 2021; Sinev, Gavrilko, 2020; Sinev, Karabanov, Kotov, 2020). The taxonomic nomenclature is given in accordance with the taxonomic system GBIF Backbone Taxonomy (GBIF Secretariat, 2021). In order to publish the dataset on the GBIF network, the records have been adjusted according to the Darwin Core specifications (Wieczorek et al., 2012).

Method steps

  1. The materials presented in scientific monographs were initial data for developing a complete list of zooplankton species in the Middle Volga River basin (Timokhina, 2000; Chuikov, 2000; Popov, Mukhortova, 2016).
  2. The obtained information is supplemented by the results of field sampling of zooplankton, which have been carried out regularly in the study area (Figure 5). In the Kuibyshev reservoir, 10 L of water were taken from standard depths (0–32-m water column) by a Dyachenko bathometer; the water samples were sieved for zooplankton through a nylon sieve with a 99-µm mesh equipped by a 100-mL cod end. In 1957—2006, the zooplankton sampling was also performed with a 10-L Dzyuban bathometer and a Juday net (nylon sieve, 99-µm mesh, 100-mL cod end). In the Saratov Reservoir and lakes, zooplankton samples were taken also with a 4-L Ruthner bathometer and concentrated through a nylon sieve as described above (Methodology…, 1975). The number of records in the dataset of the samples collected with the Dyachenko bathometer is 92% of total number of samples, Dzyuban bathometer, 1%, Ruthner bathometer, 0.5%, Juday net, 7%.
  3. The zooplankton species were identified by taxonomic keys for local fauna (Kutikova, 1970; Taxonomic key…, 2010).
  4. The calculation of the zooplankton occurrence (ind.) and abundance (ind. per cubic meter) was carried out according to accepted standard (Bolotov, 2012).

Taxonomic Coverages

Geographic Coverages

The studies covered the Kuibyshev Reservoir (Samara Oblast and the Republic of Tatarstan), the Saratov Reservoir (Samara Oblast), several lakes (Raifskoe, Gniloe, Krugloe, and Lenevo) in the Volzhsko-Kamsky State Biosphere Reserve (Republic of Tatarstan), and Lake Aslikul, one of the largest lakes of the Middle Volga River basin, located in the Asly-Kul Natural Park (Republic of Bashkortostan). 1. The Kuibyshev and Saratov reservoirs are similar by the origin, these are artificial reservoirs. The bottom is mainly muddy, some areas are sandy or stony, there are some areas with snag accumulations. The water in the reservoirs is fresh, hydrocarbonate-calcium, average salinity 0.3–0.6 g/L, water transparency 1.0–1.6 m, average color is 50–60 degrees of platinum-cobalt scale. 2. The water of all the lakes of the Volzhsko-Kamsky Biosphere Reserve belongs to the hydrocarbonate class of the calcium group with low and medium degree of mineralization. The waters are characterized as “soft” and “moderately hard” (WQA). The environmental pH varies between the lakes, depths, and seasons from slightly acidic (6.5–6.9) to slightly alkaline (7.5–8.3), reaching maximum values (8.8–10.0) during the period of phytoplankton and cyanobacteria blooms. The gas regime of the lakes in summer is typical for eutrophic water bodies: in the surface layers, the dissolved oxygen saturation varies as 72–226.9%, in the bottom layers, there is an oxygen deficiency (7–46%). 3. The water in Lake Aslykul is slightly brackish with high salinity (1.94 /L). The Sharlama Stream flows into the lake. When the water level is high, the Asily-Udryak Stream flows out of the lake. The distribution of the number of records on the species composition and abundance of zooplankton for the Kuibyshev Reservoir (81% in total), the Saratov Reservoir (10%), and in the lakes (5%) is presented below.

Bibliographic Citations

  1. Chuikov Yu (2000) Materials for the cadaster of planktonic invertebrates of the Volga River Basin and the Northern Caspian Sea. Rotatoria). Togliatti [In Russian] -
  2. GBIF Secretariat (2021). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2021-08-01 - https://doi.org/10.15468/39omei
  3. Gerasimova T, Pogozhev P, Sadchikov A (2021) The role of filter-feeding zooplankton in preventing reservoir blooming. January 25. Moscow Society of Naturalists. 653. -
  4. Ivanova M B and Kazantseva T I (2006) Effect of water pH and total dissolved solids on the species diversity of pelagic zooplankton in lakes: A statistical analysis. Russian Journal of Ecology 37(4):264-270 - doi:10.1134/S1067413606040084
  5. Korovchinsky N M, Kotov A A, Boikova O S, Smirnov N N (2021) Cladocerans (Crusracea: Cladocera) of Northern Eurasia. Vol. 1. Moscow: KMK Press. 481 p. -
  6. Kutikova L A (1970) Rotifer fauna of the USSR. Leningrad: Nauka. 744 p. [In Russian] -
  7. Lazareva V I (2019) Spreading of alien zooplankton species of Ponto-Caspian origin in the reservoirs of the Volga and Kama rivers. Russian Journal of Biological Invasions 10(4):328-348. - doi:10.1134/S2075111719040040
  8. Methodology for studying biogeocoenoses of inland reservoirs (1975) Moscow: Nauka. 239 p. [In Russian] -
  9. Mukhortova O (2008) Communities of zooplankton in pelagial zone and in the thickets of higher aquatic plants in different types of reservoirs of the Middle and Lower Volga River: Cand. Sci. Thesis. Togliatti: IEVB RAS [In Russian] -
  10. Mukhortova O (2010) Taxonomic composition of the zooplankton of the Saratov Reservoir. Bulletin of the University of Mordovia 1:15-23. [In Russian] -
  11. Mukhortova O V and Sabitova R Z (2014) Zooplankton of Lake Aslikul (Republic of Bashkortostan). Bulletin of the Samara Scientific Center of the Russian Academy of Sciences 16(5):257-263. [In Russian] -
  12. Mukhortova O V and Sabitova R Z (2021) Distribution of zooplankton in Lake Aslikul (South Urals, Russian Federation). IOP Conf. Ser.: Earth Environ. Sci. 818(012032). - doi:10.1088/1755-1315/818/1/012032
  13. Popov A (2006) Zooplankton of Saratov Reservoir: General data and influence of invasive species. Bulletin of the Samara Scientific Center of the Russian Academy of Sciences 8(1):263-272. [In Russian] -
  14. Popov A (2013) Zooplankton of the Volga reservoirs in the context of the problem of biological invasions. Bulletin of the Samara Scientific Center of the Russian Academy of Sciences 15(3): 194-202 [In Russian] -
  15. Popov A, Mukhortova O (2016) Pelagic and littoral zooplankton of the Saratov Reservoir: Species composition, biological invasions, fauna formation features. Togliatti: Kassandra. 140 p. [In Russian] -
  16. Romanova E (2005) Saratov Reservoir as an invasion corridor for zooplankton. In: Alien species in the Holarctic, Eds. Romanova E, Kulakov R, Kuznetsova S. Rybinsk-Borok. 102-103 p. [In Russian] -
  17. Rubanova M V, Mukhortova O V, Poddubnaya N Ya (2020) Dynamics of helminth fauna of the digestive tract of Perca fluviatilis (Actinopterygii: Perciformes) and its relationship with the zooplankton in the Samarskaya Luka National Park. Nature Conservation Research 5(1):64–86. [In Russian] - DOI: 10.24189/ncr.2020.009
  18. Shurganova G V, Zolotareva T V, Kudrin I A, Zhikharev V S, Gavrilko D E, Ilyin M Yu (2021) The number of related species of Kellicottia bostoniensis (Rousselet, 1908) and K. longispina (Kellicott, 1879) (Rotifera: Brachionidae) in zooplankton communities of the Pustyn lake-river system (Nizhny Novgorod). Russian Journal of Biological Invasions. 1:116-131. [In Russian] -
  19. Sinev A Yu and Gavrilko D E (2020) Examples of rare benthic Cladocera: Two phytophilous species of Aloninae (Cladocera, Anomopoda, Chydoridae) from European Russia. Biological Bulletin 99(11):1242-1257. - doi: 10.31857/S0044513420110069
  20. Sinev A Yu, Кarabanov D P, Kotov A A (2020) A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae). Zootaxa 4767:115-137. - doi: 10.11646/zootaxa.4767.1.5
  21. Taxonomic key of zooplankton and freshwater zoobenthos of European Russia. (2010) Vol. 1. Zooplankton. Moscow: KMK Scientific Press. 495 p. [In Russian] -
  22. Timokhina A F (1983) Nutrition of rotifers of the genus Asplanchna (Ploimida, Asplanchnidae). In: Trophic Links and Their Role in the Productivity of Natural Water Bodies. Leningrad: Zoological Institute of the Academy of Sciences of USSR [In Russian] -
  23. Timokhina A F (2000) Zooplankton as a component of the ecosystem of the Kuibyshev Reservoir. Togliatti: IEVB RAS. 195 р. [In Russian] -
  24. Wieczorek J, Bloom D, Guralnick R, Blum S, Döring M, Giovanni R, Robertson T, Vieglais D (2012) Darwin Core: An evolving community-developed biodiversity data standard. PLOS One 7: e29715. - https://doi.org/10.1371/journal.pone.0029715
  25. Zhdanova S M, Lazareva V I, Bayanov N G, Lobunicheva E V, Rodionova N V, Shurganova G V, Kulakov D V, Ilyin M Yu (2016) Distribution and settlement routes of the American rotifer Kellicottia bostoniensis (Rousselet, 1908) (Rotifera: Brachionidae) in reservoirs of European Russia. Russian Journal of Biological Invasions 3:8-22. [In Russian] -

Contacts

Oksana Mukhortova
originator
position: Senior Researcher
Samara Federal Research Center of the Russian Academy of Sciences, Institute of the Ecology of the Volga River basin of the Russian Academy of Sciences
10 Komzin Street
Togliatti
445003
RU
email: muhortova-o@mail.ru
Stepan Senator
originator
position: Leading Researcher
Tsitsin Main Botanical Garden of the Russian Academy of Sciences
4, Botanicheskaya Street
Moscow
127276
RU
email: stsenator@yandex.ru
Elena Unkovskaya
originator
position: Deputy Director
Volzhsko-Кamsky State Nature Biosphere Reserve
1, Vekhova Str.
Sadoviy village
422537
Republic of Tatarstan
RU
email: l-unca@mail.ru
Oksana Mukhortova
metadata author
position: Senior Researcher
Samara Federal Research Center of the Russian Academy of Sciences, Institute of the Ecology of the Volga River basin of the Russian Academy of Sciences
10 Komzin Street
Togliatti
445003
RU
email: muhortova-o@mail.ru
Stepan Senator
metadata author
position: Leading Researcher
Tsitsin Main Botanical Garden of the Russian Academy of Sciences
4, Botanicheskaya Street
Moscow
127276
RU
email: stsenator@yandex.ru
Elena Unkovskaya
metadata author
position: Deputy Director
Volzhsko-Кamsky State Nature Biosphere Reserve
1, Vekhova Str.
Sadoviy village
422537
Republic of Tatarstan
RU
email: l-unca@mail.ru
Natalya Ivanova
programmer
position: Senior Researcher
Institute of Mathematical Problems of Biology RAS
1, Vitkevicha str.
Pushchino
142290
Moscow Region
RU
email: natalya.dryomys@gmail.com
userId: http://orcid.org/0000-0003-4199-5924
Oksana Mukhortova
administrative point of contact
position: Senior Researcher
Samara Federal Research Center of the Russian Academy of Sciences, Institute of the Ecology of the Volga River basin of the Russian Academy of Sciences
10 Komzin Street
Togliatti
445003
RU
email: muhortova-o@mail.ru
Stepan Senator
administrative point of contact
position: Leading Researcher
Tsitsin Main Botanical Garden of the Russian Academy of Sciences
4, Botanicheskaya Street
Moscow
127276
RU
email: stsenator@yandex.ru
Elena Unkovskaya
administrative point of contact
position: Deputy Director
Volzhsko-Кamsky State Nature Biosphere Reserve
1, Vekhova Str.
Sadoviy village
422537
Republic of Tatarstan
email: l-unca@mail.ru
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