AusCPR: Zooplankton Abundance in Australian Waters

Australian waters are monitored by the Australian Continuous Plankton Recorder (AusCPR) survey, a joint project of CSIRO Oceans and Atmosphere and the Australian Antarctic Division. The dataset provides a long-term baseline of plankton biodiversity and distribution to document changes in response to climate change and support fisheries management. Zooplankton is counted off the sampling silk using a Bogorov tray for more accurate identification and analysis.

Use Cases

• Mapping plankton biodiversity and distribution based on geospatial sampling transects.
• Developing climate change indicators by documenting long-term plankton community shifts.
• Providing validation data for satellite remote sensing of ocean color and productivity.
• Initializing and testing marine ecosystem models with in-situ plankton abundance data.
• Detecting harmful algal blooms for early warning and fisheries management.

Strengths

• Data collection uses a specific, documented methodology (counting off silk in a Bogorov tray) designed for higher accuracy.
• Project is a long-term baseline survey with explicit aims for climate and ecosystem monitoring.
• Data is interoperable through the national IMOS infrastructure and accessible via the AODN portal.

Limitations

• Key metadata such as row count, column names, file size, and license are not provided in the available sources.
• The taxonomic resolution of the data is not specified, which may limit detailed ecological analysis.
• Update timestamps conflict between sources (2026-04-26 and 2026-04-19), casting doubt on metadata freshness.

Provenance

Source

CSIRO Oceans and Atmosphere (O&A) and the Australian Antarctic Division (AAD) via the Integrated Marine Observing System (IMOS).

Collection Method

Samples collected by Continuous Plankton Recorders (CPRs) deployed on Ships of Opportunity, with lab analysis involving rinsing silk, sieving, and microscopic counting.

Freshness

Last updated date is listed as 2026-04-26, but this is a future date which may indicate a metadata error.

Geography

Australian oceans and Antarctic waters serviced by the project.