Black Sea Phytoplankton checklist

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Octactis octonaria

From Black Sea Phytoplankton checklist

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Octactis octonaria (Ehrenberg) Hovasse, 1946
= Distephanus speculum var. octonarius (Ehrenberg) Jörgensen 1899; Distephanus octonarius (Ehr.) Deflandre, 1932; Dictyocha octonaria Ehrenberg, 1844 (mentioned for the Black Sea)


Classification

Chromista (Kingdom) > Ochrophyta (Phylum) > Dictyochophyceae (Class) > Dictyochales (Order) > Dictyochaceae (Family) > Octactis (Genus)

WoRMS: 375970

First record for the Black Sea

The species was reported first time for the Black Sea :
 year - 1998
 found by - Senichkina L.G., 1998
 reference - Senichkina L.G. et al., 2001
(for Dictyocha octonaria)

Properties

Environment: marine

Occurrence

  References
Black Sea Mikaelyan A.S. et al., 2008; Bryantseva Yu., 2000; Georgieva L.V., 1979 (Bosphorus area)
Bulgaria S. Moncheva(IO-BAS), 2010, Konsulov A., 1998
Geogria
Romania Boicenco L. Updated list from Bodeanu N., 1987-88
Russia Yasakova O. N., 2013 (Novorossiysk bay)
Turkey M.Turkoglu, T.Koray, 2002; Baytut O., Gonulol A., Koray T., 2010; Ozturk B., 1998; Eker E., 1998; Gülnur Özdemyr, Orhan Ak, 2012
Ukraine Polikarpov I.G. et al., 2003; Senicheva M.I., 2008(Sevastopol Bay, Sevastopol coastal zone, Laspi Bay, Karadag); Manzhos L.A., 2008 (Feodosia Bay); Senichkina L.G., 1983 (NW); Senichkina L.G. et al., 2001; Ivanov A.I. 1959; Ivanov A.I. 1960; Senichkina L. G., 1973; Senicheva M. I., 1971


Cell volume

Minimum Average Maximum Database
1 598 5112,2 32000 Cell volumes of phytoplankton of the Black Sea A.S.Mikaelyan, L.G.Senichkina, L.A.Pautova, L.V.Georgieva, V.Dyakonov
2 2787.6 4267.3 5747 Bryantseva Yu., 2000. Changes in structural characteristic of phytoplankton in the Black Sea
3 Dereziuk, N., 2008. List of Phytoplankton Species Observed in the Water Area near the Zmiinyi Island in 2004-2007
4 Bryantseva Yu., 2010. Sevastopol Bay phytoplankton monitoring database 2008 -2009
5 1616 Сеничкина Л.Г., 1983. Фитопланктон северо-западной части Черного моря в зимний период 1979.
6 Нестерова Д. А., 2003. Фитопланктон западной части Черного моря в летний период 1987.

* (volumes are in cubic microns), values extracted from database


Volume and surface area calculation

Shape
Simple shape
K(flattening factor)
More accurate shape -

Hillebrand et al., 1999 - sphere (Hillebrand, H., Dürselen, C. D., Kirschtel, D., Pollingher, D. and Zohary, T. (1999) Biovolume calculation for pelagic and benthic microalgae. J. Phycol., 35, 403–424)



Appearance in checklists

 1886
 1900
 1950
 2000
 2010


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 33 34 35 36 38 49 54 55 56 57
  x x 6 x 7 x 8 x x x 24 x x 34 x 38 x


58 63 67 68 72 73 74 75 77 78 84 85 86 87 88 89 92 93 94 99 100 101 102 103 105 108 109 110 116 117 118 119 120 123 125
  x 63 x 78 x 89 x 92 x x 116 x


6 - as Dictyocha octonaria7 - as Dictyocha octonaria8 - as Distephanus speculum var. octonarius24 - as Distephanus octonarius34 - as Distephanus speculum var. octonarius38 - as Distephanus speculum var. octonarius63 - as Distephanus octonarius78 - as Distephanus octonarius var. octonarius89 - as Distephanus speculum var. octonarius92 - as Distephanus speculum var. octonarius116 - as Distephanus octonarius var. octonarius



List based on literature analysis
List extracted from database
List extracted from published paper, which is based on monitoring(scientific) research of scientist(s) and includes analysis of real collected data
Personal list, based on monitoring(scientific research) of scientist (not published as article)
Identification book

Last revision on 20-05-2013

Personal tools

The Commission on the Protection of the Black Sea Against Pollution
http://www.blacksea-commission.org/


Partly supported by OceanUkraine project

OCEAN-UKRAINE is a project Supported by the Flemish Government - Department of Foreign Affairs



Black sea SCENE project