Phytoplankton data collected by the IBSS staff near Sochi (Mamaika. Matsesta. Sochi river's mouth), Black Sea, during three surveys in 1974 and 1975. Samples were taken in the area of deep sea outfall of Sochi. This dataset contains abundance data (individuals per liter) and biomass (mg/m³) for phytoplankton taxa. Also size records are given for some of them. No additional metadata is available.

Citation: Phytoplankton samples collected near Sochi, Black Sea, in 1974-1975. Institute of Biology of the Southern Seas of the National Academy of Sciences of Ukraine.

Published: September 17, 2025 at 10:14

URL: http://ipt.vliz.be/eurobis/resource?r=phyto_black_sea_1974_1975

Oleksandra Sergeyeva
National Academy of Sciences of Ukraine; Institute of Biology of the Southern Seas

Lyudmila Galkovskaya
National Academy of Sciences of Ukraine; Institute of Biology of the Southern Seas

Flanders Marine Institute (VLIZ)
Flanders Marine Institute (VLIZ)

2,034

occurrence records

5,214

measurements and facts

120

taxa

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	2,034		100.0%
scientificNameID		27	1.3%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag	Records
NO_ACCEPTED_NAME	328	16.1%
ON_LAND	279	13.7%
MARINE_UNSURE	129	6.3%
NO_MATCH	27	1.3%
NOT_MARINE	2	0.1%

Phytoplankton samples collected near Sochi, Black Sea, in 1974-1975

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data