Australian Coastal Zooplankton Biomass Time Series

IMOS National Reference Station (NRS) - Zooplankton Biomass contains analyzed samples from a long-term marine monitoring program. The Australian Ocean Data Network manages data from nine coastal stations sampled monthly, with some locations sampled every three months, using standardized drop nets. Analyses include community composition, dry weight biomass, and size spectrum measurements for zooplankton.

Use Cases

• Analyzing temporal trends in zooplankton community composition using the Taxon/m3 column.
• Modeling marine ecosystem biomass by examining dry weight measurements in mg/m3.
• Conducting comparative studies of coastal habitats across nine Australian stations using station metadata.
• Enhancing a zooplankton time series by integrating historical Port Hacking 4 (PH4) samples from 2002-2009 with current NRS data.

Strengths

• Provides a multi-year time series, with specific data from Port Hacking available from 2002 onward.
• Standardized sampling method across nine stations using a defined 60 cm diameter drop net falling at 1 m/s.
• Includes multiple analysis types per sample: community composition, biomass, and size spectrum (zooscan).

Limitations

• Key quantitative details like total row count, specific column names, and dataset size are unavailable from the provided sources.
• Sampling frequency is not uniform, with Esperance and Ningaloo stations sampled only every three months compared to monthly elsewhere.
• The Port Hacking time series uses two different net designs (20 cm pre-2009, 60 cm post-2009), which may affect direct comparability.

Provenance

Source

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

Collection Method

Monthly zooplankton sampling from small vessels at nine National Reference Stations using a weighted drop net, with samples fixed for lab analysis.

Time Range

2002 to present (with Port Hacking data starting in 2002).

Freshness

2026-04-04 08:27:51.554859

Geography

Nine coastal stations around Australia: Port Hacking (NSW), Rottnest Island (WA), Ningaloo (WA), Esperance (WA), Darwin (NT), Great Australian Bight (SA/WA), Kangaroo Island (SA), Maria Island (TAS), North Stradbroke Island (QLD).