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Phytoplankton abundance and biomass data from 2007 to 2016 in the Bulgarian Black Sea
Citation
Snejana Moncheva; Institute of Oceanology, Bulgarian Academy of Sciences (IO-BAS); (2019): Phytoplankton abundance and biomass data from 2007 to 2016 in the Bulgarian Black Sea

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Description
Phytoplankton data, species composition, abundance (cells/l) (SDN:P01: PU00M00Z) and biomass (mg/m3) (SDN:P01: WWBMM00Z) collected at coastal stations located in the 1n.m. Bulgarian Black Sea area and stations on a coastal-open sea transect in the Bulgarian Black Sea region, including the EEZ, within EC, FP7 Project SESAME. more

Phytoplankton samples were collected by CTD probe (SBE-911) with attached Niskin bottles at discrete depths, defined according to the in situ fluorimeter readings (0m - thermocline- deep chlorophyll a maximum), and 1m above the bottom or down to 75 m depth at the deeper stations. Phytoplankton samples (1000 ml water sample) were fixed on board in 4% formaldehyde solution, buffered to pH 8-8.2 with disodiumtetraborate. In the laboratory the samples are concentrated down to 50 cm3 by slow decantation after storage for at least 20 days in a cool and dark place. Taxonomic identification and cell counts are done under inverted microscope (Nikon T300E) connected to a video-interactive image analysis system ((L.U.C.I.A, Version 4.8, Laboratory Imaging Ltd, Prague) at 400x magnification by the Uteröhl (1958) method in Sedgwick-Rafter counting chambers. 400 cells are counted from each sample, while rare and large species are checked in the whole counting chamber (Moncheva and Parr, 2005/2015). The individual cell biovolume (V, μm3) is derived through the approximation of the cell shape of each species to the most similar regular solid, calculated by the respective formulas (Edier , 1979 ; Vadrucci et al., 2007), averaged over measurement of ten cells from each species. Cell bio-volume is converted to weight (W, ng) following Hatchinson (1967). Taxonomic nomenclature is according to the on-line data-base of World Register of Marine Species (WoRMS) http://www.marinespecies.org/ and the Black Sea phytoplankton check-list. The QC/QA of the data is performed following the quality control Guidelines for phytoplankton (Moncheva, 2010).

Scope
Themes:
Biology > Plankton > Phytoplankton
Keywords:
Marine/Coastal, lowered unmanned submersible, Species composition, EurOBIS calculated BBOX, MED, Black Sea, Bacillariophyceae, Chlorophyceae, Chrysophyceae, Cyanophyceae, Dinophyceae, Prasinophyceae, Prymnesiophyceae

Geographical coverage
EurOBIS calculated BBOX Stations
Bounding Box
Coordinates: MinLong: 27,5167; MinLat: 42,0833 - MaxLong: 30,9399; MaxLat: 43,6333 [WGS84]
MED, Black Sea [Marine Regions]

Temporal coverage
4 October 2007 - 8 October 2007
14 April 2008 - 21 April 2008
1 June 2008 - 15 June 2008
29 September 2008 - 4 October 2008
5 June 2009 - 12 June 2009
30 April 2011 - 7 May 2011
9 September 2011 - 15 September 2011
14 May 2012 - 20 May 2012
7 June 2012 - 12 June 2012
18 July 2012 - 27 July 2012
14 July 2012 - 18 July 2012
14 August 2012 - 20 August 2012
29 September 2012 - 4 October 2012
5 November 2012 - 10 November 2012
20 June 2013 - 30 June 2013
23 August 2013 - 28 August 2013
27 May 2014 - 4 June 2014
18 June 2014 - 21 June 2014
8 September 2014 - 17 September 2014
28 August 2015 - 31 August 2015
1 October 2015 - 6 October 2015
12 November 2015 - 16 November 2015
29 April 2016 - 4 May 2016
26 May 2016 - 30 May 2016
18 July 2016 - 23 July 2016
19 August 2016 - 24 August 2016
16 September 2016 - 21 September 2016

Taxonomic coverage
Bacillariophyceae [WoRMS]
Chlorophyceae [WoRMS]
Chrysophyceae [WoRMS]
Cyanophyceae [WoRMS]
Dinophyceae [WoRMS]
Prasinophyceae [WoRMS]
Prymnesiophyceae [WoRMS]

Parameters
Phytoplankton biovolume, Weight

Contributors
Bulgarian Academy of Sciences; Institute of Oceanology; Marine Biology and Ecology, moredata creator

Publication
Based on this dataset
Patrício, J. et al. (2016). European Marine Biodiversity Monitoring Networks: Strengths, weaknesses, opportunities and threats. Front. Mar. Sci. 3: 1-18. https://dx.doi.org/10.3389/fmars.2016.00161, more
Uusitalo, L. et al. (2016). Indicator-based assessment of marine biological diversity–lessons from 10 case studies across the European seas. Front. Mar. Sci. 3: 1-21. https://dx.doi.org/10.3389/fmars.2016.00159, more
Dzhembekova, N.; Moncheva, S. (2014). Recent trends of potentially toxic phytoplankton species along the Bulgarian Black Sea area, in: Proceedings of Twelfth International Conference on marine sciences and technologies, Black Sea 2014, Varna, Bulgaria, September 25th - 27th, 2014. pp. 321-329, more
Moncheva, S. et al. (2012). Environmental and management constraints on tourism in Varna Bay, Bulgarian Black Sea coast. Ecol. Soc. 17(3): 35. http://dx.doi.org/10.5751/ES-05107-170335, more
Oguz, T. et al. (2012). Regional peculiarities of community-wide trophic cascades in strongly degraded Black Sea food web. J. Plankton Res. 34(4): 338-343. https://dx.doi.org/10.1093/plankt/fbs002, more
Moncheva, S. et al. (2010). On the recent features of chemical and biological regimes in the western Black Sea ecosystem, in: Proceedings of the Tenth International Conference on marine sciences and technologies, Black Sea 2010, 7-9 October, 2010, Varna, Bulgaria. pp. 288-296, more
Oguz, T. (Ed.) (2008). State of the environment of the Black Sea (2001-2006/7). BSC Publications, 2008-3. Publications of the Commission on the Protection of the Black Sea Against Pollution: Istanbul. ISBN 978-9944-245-33-3. 448 pp., more
Describing this dataset
Moncheva, S.; Doncheva, V. (2012). Plankton features for assessment of western Black Sea ecosystem, in:[s.d.] Proceedings of Eleventh International Conference on marine science and technologies: Black Sea 2012, October 4th - 6th, 2012, Varna, Bulgaria. pp. 74-81, more

Dataset status: Completed
Data type: Data
Data origin: Research: field survey
Metadatarecord created: 2018-07-23
Information last updated: 2022-08-09
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