Fauna of the splash zone of Lake Baikal

Ocorrência
Versão mais recente published by Limnological Institute on dez 15, 2024 Limnological Institute
Publication date:
15 de Dezembro de 2024
Published by:
Limnological Institute
Licença:
CC-BY 4.0

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Descrição

It became a matter of common knowledge that the fauna of Lake Baikal, like many of its other features, are unique. Benthic communities of the littoral part, demonstrating highest diversity in the lake ecosystem, were the area of researchers concern for a long time. However, a part of the littoral, called splash zone (hygroarenal), an ecotone – a transitional area of environmental media (water, soil and air), remains poorly studied. Meanwhile, this zone is inhabited by curious organism communities dwelling in interstitial spaces under highly unstable conditions. It is well known that these communities include specific species and species from the adjacent littoral habitats and terrestrial biotopes. Besides, they exhibit high abundance and biomass values. This dataset presents a list of multicellular animal findings from rocky and sandy lake beaches above the water’s edge, permanently or temporarily wetted by capillary water and waves. It is based on literature sources (63%), including 27 entries, and original data (37%). The dataset lists representatives of 17 classes attributed to 7 invertebrate animal types. Rotifera displays the highest number of species and subspecies (66 of 24 genera), 42 species (23 genera) are from Nematoda group. Chironomidae are represented by 27 species, Turbellaria – 23, Oligochaeta – 1r6, Amphipoda – 15, Cyclopoida – 11. The remaining taxonomic groups, Polychaeta, Gastrotricha, Hirudinea, Gastropoda, Isopoda, Bathynellidae, Tardigrada, Cladocera, Ostracoda, Harpacticoida, Acariformes, Collembola, Plecoptera and Trichoptera contain 1 to 8 species each.

Registros de Dados

Os dados deste recurso de ocorrência foram publicados como um Darwin Core Archive (DwC-A), que é o formato padronizado para compartilhamento de dados de biodiversidade como um conjunto de uma ou mais tabelas de dados. A tabela de dados do núcleo contém 470 registros.

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.

Versões

A tabela abaixo mostra apenas versões de recursos que são publicamente acessíveis.

Como citar

Pesquisadores deveriam citar esta obra da seguinte maneira:

Medvezhonkova O, Zvereva Y, Luhnev A, Timoshkin O (2024). Fauna of the splash zone of Lake Baikal. Version 1.4. Limnological Institute. Occurrence dataset. http://ipt.ugrasu.ru:8080/resource?r=splashzonebaikal&v=1.4

Direitos

Pesquisadores devem respeitar a seguinte declaração de direitos:

O editor e o detentor dos direitos deste trabalho é Limnological Institute. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.

GBIF Registration

Este recurso foi registrado no GBIF e atribuído ao seguinte GBIF UUID: 6b974e5b-562e-4631-9ad7-660354e07d9d.  Limnological Institute publica este recurso, e está registrado no GBIF como um publicador de dados aprovado por Participant Node Managers Committee.

Palavras-chave

Occurrence; invertabrates; benthos; beaches; splash zone; Baikal; psammon

Contatos

Olga Medvezhonkova
  • Provedor Dos Metadados ●
  • Originador ●
  • Ponto De Contato
junior researcher
Limnological Institut SB RAS
Ulan-Batorskaya, 3
664033 Irkutsk
Irkutskaya ollast`
RU
http://orcid.org/0000-0002-7263-4649
Yulia Zvereva
  • Originador
junior researcher
Limnological Institut SB RAS
Ulan-Batorskaya, 3
664033 Irkutsk
Irkutskaya ollast`
RU
http://orcid.org/0000-0002-4193-5000
Anton Luhnev
  • Originador
researcher
Limnological Institut SB RAS
Ulan-Batorskaya, 3
664033 Irkutsk
Irkutskaya ollast`
RU
http://orcid.org/0000-0002-9741-8600
Oleg Timoshkin
  • Originador
Head of Laboratory
Limnological Institut SB RAS, Laboratory of Aquatic Invertebrate Biology
Ulan-Batorskaya, 3
664033
Irkutskaya ollast`
http://orcid.org/0000-0001-6476-0074
Nina Filippova
  • Usuário

Cobertura Geográfica

The database describes animals collected in the splash zone along the entire Lake Baikal shore. A splash zone is a part of the lake littoral zone above the water’s edge subject to wetting by splash from breaking waves. Lake Baikal is located in the southern part of Eastern Siberia within the republic of Buryatia and Irkutsk province (Russia). It is the deepest lake in the world and the world’s largest freshwater lake by volume. The shoreline of Lake Baikal, 80 % of which are steep abrasion shores, is approximately 1800 km long. Aggradation shores occupy only 20 % of this area and are located mainly on the eastern shore, pebble beaches, being most widespread. The dataset presents findings from sandy and pebble beaches of the lake, the major part of which were collected in the southern basin of Baikal. Beaches near Listvyanka settlement, Berezovy Cape, Bolshye Koty Bay and Peschanaya Bay were studied most thoroughly.

Coordenadas delimitadoras Sul Oeste [51,42, 103,67], Norte Leste [55,88, 109,97]

Cobertura Taxonômica

The dataset lists representatives of 17 classes belonging to 7 invertebrate types, dwelling in interstitial spaces between ground particles. Two groups, macro- and meiobenthos, defined by their size and function, were examined. Rotifera is characterized by the largest species and subspecies number (66 of 24 genera). 42 species (23 genera) are from the Nematoda group. Chironomidae are represented by 27 species, Turbellaria – 23, Oligochaeta – 16, Amphipoda – 15, Cyclopoida – 11. The remaining taxonomic groups, Polychaeta, Gastrotricha, Hirudinea, Gastropoda, Isopoda, Bathynellidae, Tardigrada, Cladocera, Ostracoda, Harpacticoida, Acariformes, Collembola, Plecoptera and Trichoptera include 1 to 8 species each.

Cobertura Temporal

Data Inicial / Data final 1982-07-19 / 2016-05-28

Métodos de Amostragem

In the splash zone, samples were collected at a distance from 0 to 2.5 m above the water’s edge using two approaches. First, interstitial water present in a hole made in the sand was collected and filtered through a 0.14 µm sieve net. Second, sand was collected by a plastic tube, organisms were extracted by multiple stirring in water and filtering the supernatant through a net. The material from the net was transferred into a container with 70% ethyl alcohol. Specimens with the body size over 0.3 mm were selected from a fixed sample under a stereoscopic microscope MBS-10. Species were identified according to the classification schemes of particular systematic groups using keys or original descriptions. Records included into the database from literature were collected following analogous patterns. However, descriptions of certain specific procedures, such as sampling from pebble grounds, may be found checking reference lists.

Área de Estudo First of all, quantitative and qualitative samples were collected from the splash zone on sandy and rocky beaches of Lake Baikal from May until October, 2010-2015 when the beaches were ice-free. Observations were performed on 12 beaches, 8of them in Southern Baikal and 4 in the Northern Baikal. Most of the samples were collected in Bolshye Koty bay (Southern Baikal) (51.90, 105.06). The specimens that were included into the database from literature sources were collected on 30 lake beaches, 12 of which located in the Southern Baikal, 15 in the Middle and 3 in the Northern Baikal. The earliest findings refer to 1920s, the most recent ones to 2015. A more detailed information on the sampling sites and periods reported in literature is provided in the reference list.

Descrição dos passos do método:

  1. Data preparation algorithm included the following steps: Literature search for any records of finding multicellular animals in the splash zone of Lake Baikal.
  2. Sampling in the splash zone of pebble-gravel beaches on Lake Baikal during field surveys in 2010-2015. Two approaches were made use of: A) A hole was dug reaching the groundwater level (0-2,5 m above the water’s edge). The water was stirred in the hole, collected and filtered through a nylon sieve (0.14 mm mesh size). B) A plastic tube (56 mm in diameter) was immersed in sand of the splash zone. The tube with sand was lifted out of sand with a spatula. Then, the sand was transferred into a bowl with filtered Baikal water. The specimens were extracted by multiple stirring of water with sand and filtering the supernatant through a sieve (0.14 mm mesh size). The content of the net was transferred in a container with 70% ethyl alcohol.
  3. In laboratory, specimens with the body size over 0,3 mm were selected from a fixed sample using pincers or pipette under a stereoscopic microscope MBS-10 (6x-50x magnification).
  4. Whole mounts were prepared to identify Turbellaria, Tardigrada and Chirinimidae species. The specimens were mounted on a slide in Fora-Berlese medium (chloral hydrate, gum arabic, glycerin, water). Oligochaete species were identified on temporary slides in glycerin or whole mounts in Canada balsam. Examination and measurement of temporary and permanent slide preparations were performed using Meiji Techno Co, Olympus CX 21 FS1 and Nikon (50x-1000x) microscopes. Microphotographs are obtained under transmitted light microscopes using a ToupCam digital camera. Methods used in species identification of organism groups, included into the database from literature sources, can be found in appropriate reference lists.
  5. Original material on slides is stored in the collection of the Laboratory of Aquatic invertebrate biology at the Limnological Institute SB RAS (Irkutsk).

Dados de Coleção

Nome da Coleção Original material on slides is stored in the collection of the Laboratory of Aquatic invertebrate biology at the Limnological Institute SB RAS (Irkutsk).

Citações bibliográficas

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  3. Naumova T. V., Gagarin V. G. Tobrilus saprophagus sp. n. and Epitobrilus interstitialis sp. n. (Nematoda, Triplonchida) from Lake Baikal, Russia // Zootaxa. 2017. Т. 4353. № 1. С. 133–145. DOI 10.11646/zootaxa.4353.1.8 10.11646/zootaxa.4353.1.8
  4. Naumova T. V., Medvezhonkova O. V., Gagarin V. G. Fauna of Free-Living Nematodes (Nematoda) of Sandy Beaches of Lake Baikal Splash Zone in Intense and Moderate Anthropogenic Influence Areas // Inland Waters Biology. 2019. Т. 12. № SUPPL 2. С. 81–87. DOI 10.1134/S1995082919040096 10.1134/S1995082919040096
  5. Timm T. Some Enchytraeidae from the shore of Lake Baikal. Newsletter on Enchytraeidae 8 (2003): 1-9.
  6. Алексеев В. Р., Аров И. В. Новый вид рода Diacyclops (Crustacea, Copepoda) из эулиторали озера Байкал // Зоологический журнал. 1986. Т. 65. № 7. С. 1084–1087.
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  8. Бисеров В. И., Дудичев А. Л. Тихоходки (Tardigrada) // Аннотированный список фауны озера Байкал и его водосборного бассейна 2. Новосибирск: Наука, 2004. С. 929–934.
  9. Вейнберг И. В., Камалтынов Р. М. Сообщества макрозообентоса каменистого пляжа озера Байкал. 1. Фауна // Зоол. журнал. 1998. Т. 77. № 2. С. 158–165.
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  11. Гагарин В. Г., Наумова Т. В. Новые для науки виды свободноживущих нематод (Nematoda) из оз. Байкал и водоемов Дальнего Востока России // Биология Внутренних Вод. 2018. № 4/ C.18–27. DOI 10.1134/S032096521804006X
  12. Евстигнеева Т. Д., Окунева Г. Л. Гарпактициды // Аннотированный список фауны озера Байкал и его водосборного бассейна Т. 1, кн. 1. Новосибирск: Наука, 2001. С. 468–490.
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  17. Кожов М. М. К познанию фауны Байкала, ее распределение и условия обитания // Изв. Биол.-геогр. НИИ при Иркутском ун-те. 1931. Т. 5. № 1. С. 1–171.
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  21. Тимошкин О. А. Особенности биологии и строения видов рода Geocentrophora (Lecithoepitheliata, Prorhynchidae) из озера Байкал // Зоол. журнал. 1984. Т. 63. № 10. С. 1464–1470.
  22. Тимошкин О. А. Ресничные черви (Plathelminthes: Turbellaria) // Аннотированный список фауны озера Байкал и его водосборного бассейна 1. Новосибирск: Наука, 2001. С. 196–227.
  23. Тимошкин О. А. и др. Фауна и особенности распределения микротурбеллярий заплесковой зоны озера Байкал с описанием новых видов рода Opisthocystis (Plathelminthes, Turbellaria,Kalyptorhynchia) // Зоол. журнал. 2014. Т. 93. № 3. С. 412–425. DOI 10.7868/S0044513414030167 10.7868/S0044513414030167
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Metadados Adicionais

Identificadores alternativos 6b974e5b-562e-4631-9ad7-660354e07d9d
http://ipt.ugrasu.ru:8080/resource?r=splashzonebaikal