Fauna of the splash zone of Lake Baikal

Occurrence
Dernière version Publié par Limnological Institute le déc. 15, 2024 Limnological Institute
Date de publication:
15 décembre 2024
Publié par:
Limnological Institute
Licence:
CC-BY 4.0

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Description

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.

Enregistrements de données

Les données de cette ressource occurrence ont été publiées sous forme d'une Archive Darwin Core (Darwin Core Archive ou DwC-A), le format standard pour partager des données de biodiversité en tant qu'ensemble d'un ou plusieurs tableurs de données. Le tableur de données du cœur de standard (core) contient 470 enregistrements.

Cet IPT archive les données et sert donc de dépôt de données. Les données et métadonnées de la ressource sont disponibles pour téléchargement dans la section téléchargements. Le tableau des versions liste les autres versions de chaque ressource rendues disponibles de façon publique et permet de tracer les modifications apportées à la ressource au fil du temps.

Versions

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Comment citer

Les chercheurs doivent citer cette ressource comme suit:

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

Droits

Les chercheurs doivent respecter la déclaration de droits suivante:

L’éditeur et détenteur des droits de cette ressource est Limnological Institute. Ce travail est sous licence Creative Commons Attribution (CC-BY) 4.0.

Enregistrement GBIF

Cette ressource a été enregistrée sur le portail GBIF, et possède l'UUID GBIF suivante : 6b974e5b-562e-4631-9ad7-660354e07d9d.  Limnological Institute publie cette ressource, et est enregistré dans le GBIF comme éditeur de données avec l'approbation du Participant Node Managers Committee.

Mots-clé

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

Contacts

Olga Medvezhonkova
  • Fournisseur Des Métadonnées ●
  • Créateur ●
  • Personne De Contact
junior researcher
Limnological Institut SB RAS
Ulan-Batorskaya, 3
664033 Irkutsk
Irkutskaya ollast`
RU
http://orcid.org/0000-0002-7263-4649
Yulia Zvereva
  • Créateur
junior researcher
Limnological Institut SB RAS
Ulan-Batorskaya, 3
664033 Irkutsk
Irkutskaya ollast`
RU
http://orcid.org/0000-0002-4193-5000
Anton Luhnev
  • Créateur
researcher
Limnological Institut SB RAS
Ulan-Batorskaya, 3
664033 Irkutsk
Irkutskaya ollast`
RU
http://orcid.org/0000-0002-9741-8600
Oleg Timoshkin
  • Créateur
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
  • Utilisateur

Couverture géographique

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.

Enveloppe géographique Sud Ouest [51,42, 103,67], Nord Est [55,88, 109,97]

Couverture taxonomique

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.

Couverture temporelle

Date de début / Date de fin 1982-07-19 / 2016-05-28

Méthodes d'échantillonnage

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.

Etendue de l'étude 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.

Description des étapes de la méthode:

  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).

Données de collection

Nom de la collection Original material on slides is stored in the collection of the Laboratory of Aquatic invertebrate biology at the Limnological Institute SB RAS (Irkutsk).

Citations bibliographiques

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  2. Boxshall G. A., Evstigneeva T. D., Clark P. F. A new interstitial cyclopoid copepod from a sandy beach on the western shore of Lake Baikal, Siberia // Hydrobiologia. 1993. Т. 268. № 2. С. 99–107. DOI 10.1007/BF00006880 10.1007/BF00006880
  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.
  10. Вейнберг И. В., Шевелева Н. Г., Тимошкин О. А. Сообщества интерстициали Байкальского пляжа // Тезисы международной конференции. Удэ (Россия) – Улан-Батор (Монголия): Улан-Удэ: Изд-во Бурятского научного центра СО РАН, 2004. С. 191–192.
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  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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  15. Изосимов В. В. Новые сведения о фауне глубоководных олигохет озера Байкал // Труды Всесоюзного Географического Общества. 1962. № 17. С. 33–36.
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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.
  18. Мазепова Г. Ф. Циклопы (Cyclopoida) // Аннотированный список фауны озера Байкал и его водосборного бассейна 1. Новосибирск: Наука, 2001. С. 451–467.
  19. Семерной В. П. Малощетинковые черви (Annelidae: Oligochaeta) и Эолосоматиды (Annelidae: Aeolosomatidae) // Аннотированный список фауны озера Байкал и его водосборного бассейна. Т. 1, кн. 1. Новосибирск: Наука, 2001. С. 377–427.
  20. Снимщикова Л. Н. Снимщикова Л.Н. Олигохеты Северного Байкала. Сер. Фауна Байкала / АН СССР. СО. Лимнол. ин-т. ред. Линевич А.А. – Новосибирск. 1987. – С. 105. Новосибирск: , 1987. Вып. АН СССР. СО. Лимнологический институт. 105 с.
  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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Métadonnées additionnelles

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