Multi-method diet analysis to investigate lobster predation on the barren-forming sea urchin Centrostephanus rodgersii


In Tasmania, Australia, the government's response to range-extending, barren-forming longspined sea urchin (Centrostephanus rodgersii) includes rebuilding of southern rock lobster (Jasus edwardsii) stocks to increase predation. But lobster preference for native species and continued barren expansion challenge the control efficacy. Therefore, this study aimed to determine the impact of lobster predation on C. rodgersii in different coastal habitats using a multi-method dietary analysis comprising 1) stomach contents analysis, 2) targeted DNA detection of prey species in faecal samples and 3) stable isotope analysis (d13C and d15N). The dataset contains diet information from 64 southern rock lobster (Jasus edwardsii) from five sites (four habitat types) in eastern Tasmania, Australia. Investigated prey species included: range-extending longspined sea urchins (Centrostephanus rodgersii), Shortspined sea urchin (Heliocidaris erythrogramma), periwinkle (Lunella undulata) and blacklip abalone (Haliotis rubra).

This project was further funded by the Holsworth Wildlife Research Endowment – Equity Trustees Charitable Foundation & the Ecological Society of Australia

Metadata Access
Creator Smith, Jennifer E ORCID logo; Keane, John ORCID logo; Oellermann, Michael ORCID logo; Gardner, Caleb; Mundy, Craig ORCID logo
Publisher PANGAEA
Publication Year 2023
Funding Reference Fisheries Research and Development Corporation Crossref Funder ID FRDC 2021-020 Stable isotopes: a rapid method to determine lobster diet and trace lobster origin
Rights Creative Commons Attribution 4.0 International;
OpenAccess true
Resource Type Dataset
Format text/tab-separated-values
Size 1258 data points
Discipline Earth System Research
Spatial Coverage (147.355W, -43.126S, 148.340E, -41.253N); Cape Paul; Crayfish Point; Elephant Rock; Fortescue; North Bay
Temporal Coverage Begin 2020-01-29T00:00:00Z
Temporal Coverage End 2020-12-11T00:00:00Z