IMOS Phytoplankton Pigment Composition from Australian Coastal Reference Stations

Nine Australian coastal reference stations have collected monthly phytoplankton pigment samples from the water column since 2008. The Integrated Marine Observing System (IMOS) coordinates this ongoing sampling, which includes historical data from CSIRO's coastal monitoring program dating back to 1944 for some sites. Sampling ceased at two Western Australian sites in 2013, while seven other stations continue to collect data.

Use Cases

• Modeling phytoplankton community composition based on pigment biomarkers.
• Analyzing long-term trends in marine primary productivity from time-series pigment data.
• Studying spatial biogeographic patterns of phytoplankton across nine Australian coastal sites.
• Validating satellite ocean color data using in-situ HPLC pigment measurements.

Strengths

• Time-series data collection began between 2008 and 2010 and is ongoing for seven sites.
• Includes historical data from CSIRO's coastal monitoring program, with records starting as early as 1944 for some stations.
• Samples cover the complete water column from 0 to 50 meters at nine geographically distinct reference stations.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Sampling frequency was reduced to three-monthly at two sites (Esperance and Ningaloo) prior to their closure in 2013.

Provenance

Source

Integrated Marine Observing System (IMOS) National Mooring Network, Australian Ocean Data Network.

Collection Method

Monthly (or three-monthly) field sampling from small vessels, with pigment analysis via HPLC.

Time Range

2008-09-29 to present (ongoing for 7 sites), with historical CSIRO data from 1944-2010 for three sites.

Freshness

Dataset metadata was last updated 2026-04-18, but the dataset itself has been superseded by a newer collection.

Geography

Nine coastal sites around Australia: Maria Island (TAS), Kangaroo Island (SA), Esperance (WA), Rottnest Island (WA), Ningaloo (WA), Darwin (NT), Yongala (QLD), North Stradbroke Island (QLD), Port Hacking (NSW).