Copepod Egg Production and Environmental Data from Exmouth Gulf, Western Australia

Exmouth Gulf in Western Australia was sampled at ten stations to investigate plankton community structure. The dataset includes water temperature, salinity, chlorophyll a, particulate carbon and nitrogen, and egg production rates for four dominant copepod species. This research was undertaken by the Australian Ocean Data Network to estimate grazing impacts, calculating that adult females graze 12% of total particulate carbon daily.

Use Cases

• Modeling copepod grazing impact on carbon cycling based on measured egg production rates and particulate carbon data.
• Analyzing spatial patterns in plankton biomass and productivity based on chlorophyll a and nutrient measurements across the gulf.
• Investigating trophic relationships among copepod species based on inferred feeding behaviors (omnivorous vs. herbivorous) mentioned in the description.
• Studying environmental drivers of egg production rates using concurrent measurements of temperature, salinity, and secchi depth.

Strengths

• Includes measurements from ten spatially distributed sampling stations, with seven on the eastern side and three on the western side of the gulf.
• Contains egg production rate data for four identified dominant copepod species: Acartia fossae, Parvocalanus crassirostris, Oithona attenuata, and Oithona simplex.
• Provides a calculated ecosystem impact metric: adult females of the four species graze 12% of the total particulate carbon each day.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the specific sampling locations in Exmouth Gulf.

Provenance

Source

Australian Ocean Data Network via data_gov_au

Collection Method

Field sampling at ten stations with bottle incubations and the egg-ratio technique for measuring egg production rates.

Freshness

Last updated 2026-06-04 13:05:08.967552; freshness should be verified.

Geography

Exmouth Gulf, Western Australia