Monthly zooplankton samples from NW of St Helena. March 2018 - September 2019

The dataset is an excel file which contains data on abundance of zooplankton per sampling station per month. The samples were taken from 3 locations using simple zooplankton nets (aperture 60cm with a 1Lsolid cod end extension) hauled vertically from 200m to the surface. At each station, two samples were taken using two different net mesh sizes (100µm and 250µm). The data acquisition is across 19 consecutive months (from March 2019 to September2019).

Data and Resources

This dataset has no data

Additional Info

Field	Value
Last Updated	June 24, 2025, 05:48 (PDT)
Created	June 24, 2025, 05:48 (PDT)
Region	Saint Helena
Language	eng
Topic Category	Biota; flora and/or fauna in natural environment
Temporal Extent Start	2018-03-16
Temporal Extent End	2019-09-26
Dataset Reference Date	2019
Lineage	Zooplankton was collected at sea: physical samples were fixed in 4% formalin solution for ten days. After this time samples were split using a folsom splitter into a reasonable sample to count (approx 200 individuals). Samples were enumerated into 20 basic groups and counts are available under 'raw' tab in the data series file. Abundance per cubic metre was then calculated by multiplying the split fraction up to the total for the sample and dividing by the volume of water sampled. Physical samples were transferred to Steadmans solution for long term storage and are available per request for further analysis.
Spatial Reference System	EPSG4326
Responsible Organisation Name	Hidden (personal data protection)
Contact Mail Address	Hidden (personal data protection)
Responsible Party Role	Hidden (personal data protection)
Access Limitations	Restricted until publication
Use Constraints	Restricted, but open subject to limitations and prior agreement with responsible organisation. Copyright must be cited
Resource Reference	St Helena Government, Environmental Managament Division, Marine Conservation Section. Oceanographic influences on the St Helena pelagic ecosystem - DPLUS070. A Darwin PLUS Initiative project funded by the UK government
Data Format	excel
Update Frequency	not planned - survey completed
Accuracy	10% of samples were enumerated by two individuals and results were considered valid if they varied by less than 5%
Resource Type	DataSeries
Original Title	Hidden (internal use only)
Metadata Date	2021-06-30
Metadata Point of Contact	datamanager@saeri.ac.fk
Unique Resource ID	SH-SHG-290