SYKE MONITORING DATA: Copepods/Cladocerans

1.) General description of the data set:

Data sets of calanoid copepod and cladoceran abundances (N/m³) and biomass (mg/m³) of the Baltic Sea from Finnish monitoring. Sampling with WP-2 and mesh size of 0.1 mm in accordance to HELCOM Monitoring and Assessment program (HELCOM, 1988, 2005).

2.) Created:

1979

3.) Last update:

2009

4.) Keywords:

Baltic Sea, Monitoring, Zooplankton

5.) Area:

Arcona & Bornholm Basin, Eastern & Western Gotland Basin, Aland Sea, Bothnian Sea & Bay, Gulf of Finland

6.) Spatial extension:

Latitude: 54.555 - 65.2302

Longitude: 13.179 - 26.2081

Depth:

7.) Spatial resolution:

Horizontally: 24 stations, range of stations per sub-divisions: 1 (SD 25) - 4 (SD 24 & 27); mean number of sampling stations per season and subdivision: SD24: 1 / SD25: 1 / SD26: 1 / SD27: 1-2 / SD28.2: 1 / SD29: 1-2 / SD30: 2 / SD31: 2 / SD32: 2

Vertically: range of max. sampling depth: 25 - 440 m / number of sampled depth strata: 1 - 5

8.) Time window:

04/1979 - 08/2008

9.) Temporal resolution:

Sampling mainly in summer (30 years - winter sampling only for 9 years, spring 3 years) / main sampling month: August / one sampling per season at each station / some stations sampled yearly, some stations only in few years

10.) Data:

Calanoid copepods, cladocerans abundances (N/m³) and biomass (mg/m³)

11.) Reference to other data sets:

no

12.) Data quality (degree of validation):

Validated by IHF

13.) Where to find the data?

At SYKE, IHF

14.) Contact person:

Juha Flinkman

Marine Research Center, Finnish Environment Institute SYKE

Mechelininkatu 34a

P.O. Box 140, FI - 00251 Helsinki, Finland

Email: Juha.Flinkman@ymparisto.fi

Saskia Otto

Institute for Hydrobiology and Fisheries Science

Hamburg University

Gr. Elbstr. 133, D-22767 Hamburg, Germany

Email: Saskia.Otto@uni-hamburg.de