Zooplankton Abundance Estimates from Nine Australian Coastal Stations

Nine National Reference Stations around Australia collect monthly zooplankton samples using a standardized drop net. The dataset likely contains community composition, biomass, and size spectrum analysis data, with taxonomic resolution evolving over time. Data is made available via the Australian Ocean Data Network portal and is interoperable with other marine observing programs.

Use Cases

• Analyze zooplankton community composition changes over time based on monthly sampling.
• Study biomass trends in coastal ecosystems based on dry weight measurements.
• Investigate size spectrum distributions using Zooscan analysis data.
• Compare zooplankton abundance across different Australian coastal regions.
• Assess the impact of taxonomic identification improvements on long-term data series.

Strengths

• Sampling follows a standardized protocol using a 60 cm diameter, 100 micron mesh drop net.
• Data collection spans nine stations around the Australian coastline with monthly sampling.
• Includes historical data from Port Hacking site (PH4) from 2002 to January 2009.
• Data products account for changes in taxonomy and analyst training over time.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• The taxonomic resolution of the data has changed over time, requiring careful review of change logs.
• Sampling frequency varies, with Esperance and Ningaloo stations sampled every three months.

Provenance

Source

Integrated Marine Observing Systems (IMOS) National Mooring Network

Collection Method

Monthly zooplankton sampling using a drop net, with samples analyzed for composition, biomass, and size spectrum.

Time Range

Historical data from 2002 at Port Hacking; ongoing monthly sampling.

Freshness

Last updated 2026-05-05 01:27:00.827412; freshness should be verified.

Geography

Nine coastal stations around Australia.