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The Katarapko Anabranch system is one of three large anabranch systems in the Riverland region of the lower River Murray, South Australia. Katarapko comprises hydraulically diverse aquatic habitats including permanent fast-flowing and slow-flowing creeks, as well as backwaters. F...
Authors: Fredberg, J. and Bice, C.MYear: 2022
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The New Zealand screw shell, Maoricolpus roseus, was introduced to Tasmania in the 1920s. It is invasive in south-eastern Australia, where it can occur at very high abundance, altering benthic structure and impacting native species through competition for space and food. The Japa...
Authors: Herdina, K Ellard., MR Deveney Year: 2022
Report
PDF (11.98 MB)
Shipping is a major vector for marine pest introductions, and ports are therefore at relatively high risk of pest incursion. Knowledge of pest occurrence around ports is also required for management, including to ensure compliance with ballast water regulations. Molecular techniq...
Authors: Wiltshire, K.H., Giblot-Ducray, D. and Deveney, M.R.Year: 2022
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This study was undertaken by the South Australia Research and Development Institute (SARDI) in collaboration with PIRSA Fisheries and Aquaculture, BDO EconSearch, the Marine Fishers Association (MFA), Fishwell Consulting and University of Canberra. This project guided the reform ...
Authors: J. Smart, M. Steer, F. Bailleul, D. Hall, I. Knuckey, A. Magnusson, J. Morison, J. Presser, and J. SchirmerYear: 2022
Report
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This stock assessment determined the status of South Australia’s Northern Zone Rock Lobster Fishery (NZRLF) and provides the latest estimates of the biological performance indicators (PIs) in context of the reference points (RPs) and stock status classification described in the M...
Authors: R. McGarvey, J. Feenstra and D. GraskeYear: 2022
Report
PDF (2.49 MB)
This stock assessment determined the status of South Australia’s Southern Zone Rock Lobster Fishery (SZRLF) and provides the latest estimates of the biological performance indicators (PIs) in context of the reference points (RPs) and stock status classification described in the M...
Authors: R. McGarvey, J. Feenstra and P. HawthorneYear: 2022
Report
PDF (2.18 MB)
The Chowilla Anabranch and Floodplain system is the largest remaining area of undeveloped floodplain habitat in the lower River Murray. Chowilla consists of a range of aquatic habitats that are now rare in the region, including permanently flowing creeks, and these habitats supp...
Authors: Fredberg, J., Bice, C.M. and Zampatti, B. PYear: 2022
Report
PDF (2.25 MB)
This report assesses the status of Blacklip Abalone (Haliotis rubra) and Greenlip Abalone (H. laevigata...
Authors: Burnell, O., Mayfield, S. and Hogg, AYear: 2022
Report
PDF (6.37 MB)
This report uses fishery-dependent and fishery-independent data to assess the status of target species in the East and West sub-areas of the Commonwealth Small Pelagic Fishery (SPF) from 2018/19 to 2020/21. This report updates the fishery assessment report of Ward and Grammer (20...
Authors: T. M. Ward and L. M. DuranteYear: 2022
Report
PDF (2.82 MB)
The Adelaide coastal waters have experienced a substantial and well documented decline in seagrass cover over the last 50+ years, primarily due to losses of large, long-lived genera (Amphibolis and Posidonia), which are typically slow to recover. There are also several estuaries ...
Authors: Tanner, J.E.Year: 2022