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IMOS National Reference Station (NRS) - Zooplankton Abundance

Dataset homepage

Citation

This material is released under the Creative Commons Attribution 4.0 International licence. The citation in a list of references is: "IMOS [year-of-data-download], [Title], [data-access-URL], accessed [date-of-access]." Any users of IMOS data are required to clearly acknowledge the source of the material in the format described in the acknowledgments section. https://doi.org/10.15468/wkmpa8 accessed via GBIF.org on 2023-01-27.

Description

This dataset comprises the zooplankton abundance estimates of a broader sampling program carried out by the Plankton National Reference Station within the Integrated Marine Observing system. Regular monthly zooplankton samples are undertaken at the stations as part of a larger water sampling program by the Australian National Reference Stations. In total nine stations are sampled regularly around the Australian coastline. Sampling is conducted monthly (Esperance and Ningaloo 3 monthly) off small vessels at each of the nine reference stations. The sampling is conducted using a drop net (as per the design of Heron) which has a 60 cm diameter, 100 micron mesh and is weighted to fall at 1 m/s. The net is designed to pull closed at the end of its fall so that it samples on the way down and does not sample on the way up. The depth of the sample varies at each station. 3 zooplankton samples are taken each month. 2 are fixed in formalin and will be analysed as described below. The unfixed sample is concentrated and frozen (-80oC)and will be used for molecular analysis in the future. The Port Hacking 4 (PH4) samples (2002 - Jan 2009) were sampled using a smaller net, 20 cm diameter, which sampled on the way up and down. The PH4 site is very close to the Port Hacking national reference station (PHB) where samples are now taken to build up and enhance the time series. The plankton ecology lab (based in Queensland) will analyse the samples collected for: 1. Community composition (Taxon/m3) 2. Biomass (dry weight in mg/m3) 3. Size spectrum analysis using zooscan (in progress) Data storage and access is planned to be interoperable with other national and international programs through the IMOS Infrastructure. Station metadata can be found through this resource. Data is available freely via the AODN portal: https://portal.aodn.org.au. As the taxonomic resolution of the data has changed over time, due to continual training, it is important that users refer to the change log tables included in your data download. These will provide information on the validity of the taxa, from what date we have been identifying certain taxa etc. Classification fields may be blank depending on the level to which that taxa has been identified, i.e. if only identified to family, genus and species will be blank.

Data downloaded from IMOS 14-March-2017 from https://catalogue-imos.aodn.org.au/geonetwork/srv/eng/metadata.show?uuid=c13451a9-7cfc-091c-e044-00144f7bc0f4 and taxonomy matched to WoRMS. Added additional records on 2022-03-01

Additional info

marine, harvested by iOBIS

Taxonomic Coverages

Geographic Coverages

There are ten Coastal sites near major cities

Bibliographic Citations

Contacts

Claire Davies
originator
position: Research Projects Officer CSIRO Oceans and Atmosphere
CSIRO
GPO Box 1538
Hobart
7000
Tasmania
AU
Telephone: +61 7 3833 5921
email: Claire.Davies@csiro.au
Dave Watts
metadata author
position: OBISAU Node Manager
CSIRO
GPO Box 1538
Hobart
7000
Tasmania
AU
Telephone: +61 3 6232 5062
email: dave.watts@csiro.au
OBIS Australia Node manager
publisher
position: OBIS Australia Data Manager
CSIRO National Collections and Marine Infrastructure Data Centre
Castray Esplande
Hobart
7000
Tasmania
AU
email: obisau@csiro.au
homepage: http://www.obis.org.au
Claire Davies
administrative point of contact
position: Research Projects Officer CSIRO Oceans and Atmosphere
CSIRO
GPO Box 1538
Hobart
7000
Tasmania
AU
Telephone: +61 7 3833 5921
email: Claire.Davies@csiro.au
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