Epischurella baikalensis: Difference between revisions
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| synonyms = ''Epischura baicalensis'' |
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[[File:Epischura baikalensis Scanning Electron Microscope Photography.jpg|thumb|left|300px|Epischura baikalensis Scanning Electron Microscope Photography]] |
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'''''Epischura baikalensis''''' is a species of [[copepod]] in family [[Temoridae]]. It is [[Endemism|endemic]] to [[Lake Baikal]], being the dominant [[zooplankton]] species there: 80%–90% of total [[Biomass (ecology)|biomass]].<ref>{{cite web |url=http://www.obaykale.ru/baykal-fauna_06.htm |script-title=ru:Зоопланктон в экосистеме озера Байкал |author=Пенькова О.Г. |publisher=Иркутский государственный педагогический институт |others=Пробл. сохранения биол. разнообразия Юж. Сиб. : 1 Межрегион. науч.-практ. конф., Кемерово, 19-22 мая, 1997 |location=[[Kemerovo]] |year=1997 |pages=87 |language=Russian}}</ref> It measures {{convert|1.5-2|mm|in|abbr=on|2}}.<ref name=IUCN/> |
'''''Epischura baikalensis''''' is a species of [[copepod]] in family [[Temoridae]]. It is [[Endemism|endemic]] to [[Lake Baikal]], being the dominant [[zooplankton]] species there: 80%–90% of total [[Biomass (ecology)|biomass]].<ref>{{cite web |url=http://www.obaykale.ru/baykal-fauna_06.htm |script-title=ru:Зоопланктон в экосистеме озера Байкал |author=Пенькова О.Г. |publisher=Иркутский государственный педагогический институт |others=Пробл. сохранения биол. разнообразия Юж. Сиб. : 1 Межрегион. науч.-практ. конф., Кемерово, 19-22 мая, 1997 |location=[[Kemerovo]] |year=1997 |pages=87 |language=Russian}}</ref> It measures {{convert|1.5-2|mm|in|abbr=on|2}}.<ref name=IUCN/> |
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Revision as of 09:13, 14 January 2019
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| Species: | E. baikalensis
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| Epischura baikalensis G. O. Sars, 1900
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Epischura baicalensis | |
Epischura baikalensis is a species of copepod in family Temoridae. It is endemic to Lake Baikal, being the dominant zooplankton species there: 80%–90% of total biomass.[2] It measures 1.5–2 mm (0.06–0.08 in).[1]
Epischura baikalensis inhabits the entire water column, and produces two generations per year: the winter–spring and the summer. These copepods develop under different ecological conditions and vary in the duration of life stages, reproduction time, maturation of sex products and adult males and females lifespan. The total life period of the animals from each generation is one year. One female can produce 10 egg sacs every 10–20 days during its lifetime. The ratio of males and females is 1:1. One of the most essential features of the ecology of E. baikalensis is the alteration of its mass inhabited areas during a year, as well as in day time. This is due to the need for various conditions for gonad maturation, reproduction, nourishing and protection from being consumed by planktivores.
It is the Epischura baikalensis which keeps Lake Baikal clean.[3]
"Epischura baicalensis" is a misnomer common in modern literature (e.g., 13 publications in WoS/Biological abstracts since 1989 vs. none for "Epischura baikalensis"). However, the original description (Sars, 1900)[4] lists the species as Epischura baikalensis G.O.Sars, n. sp. and this spelling should be used in all publications.
References
- ^ a b Reid, J.W. (1996). "Epischura baikalensis". The IUCN Red List of Threatened Species. 1996. IUCN: e.T7897A12863252. doi:10.2305/IUCN.UK.1996.RLTS.T7897A12863252.en. Retrieved 27 December 2017.
- ^ Пенькова О.Г. (1997). Зоопланктон в экосистеме озера Байкал (in Russian). Пробл. сохранения биол. разнообразия Юж. Сиб. : 1 Межрегион. науч.-практ. конф., Кемерово, 19-22 мая, 1997. Kemerovo: Иркутский государственный педагогический институт. p. 87.
- ^ Peter Thomson (June 3, 2008). "Russia's Lake Baikal: Preserving a Natural Treasure". Yale Environment 360. Yale University. Retrieved September 17, 2010.
- ^ G. O. Sars (1900). "On Epischura baikalensis, a new Calanoid from Baikal Lake". Annuaire du Musée Zoologique, vol. V, pp 226-240. [L'Académie Impériale des Sciences de St.-Pétersbourg].
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External links
- T. Chad Walter (2010). Walter TC, Boxshall G (eds.). "Epischura baikalensis Sars G.O., 1900". World of Copepods database. World Register of Marine Species.
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