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The Asian shore crab, Hemigrapsus sanguineus, is an intertidal, omnivorous varunid, native to northern Asia, that has established invasive populations in North America and Europe. In 2020 a population of H. sanguineus was detected in Port Phillip Bay, Victoria, Australia. Surveil...
Authors: Wiltshire, K.H., Giblot-Ducray, D. and Deveney, M.R.Year: 2021
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In regulated rivers, flow and connectivity are often altered, leading to diminished cues for movement and the obstruction of migrations, and subsequently, reduced population abundance and simplified age demographics. Management interventions, such as the use of environmental flow...
Authors: G. L. Butler, B. Fanson, D. Harding, K. Hodges, W. Koster, J. D Thiem, R. Woods and B. P. ZampattiYear: 2021
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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) information in context of the reference points (RPs) and stock status classification descri...
Authors: R. McGarvey, J. Feenstra and P. HawthorneYear: 2021
Report
PDF (2.18 MB)
This report assesses the status of the Western King Prawn (Penaeus (Melicertus) latisulcatus) stock in South Australia’s West Coast Prawn Fishery (WCPF) in 2020 and provides the latest estimates of the biological performance indicators (PIs), information in context of the referen...
Authors: K. Heldt and C.L. BeckmannYear: 2021
Report
PDF (3.37 MB)
This stock assessment determined the status of the Lakes and Coorong Fishery for Pipi 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 Management Plan for the...
Authors: G. Ferguson and G.E. HooperYear: 2021
Report
PDF (2.93 MB)
The Adelaide coastal waters have experienced a substantial and well documented decline in seagrass cover over the last 50+ years, primarily due to declines in large, long-lived genera (Amphibolis and Posidonia), which are typically slow to recover. There are also several estuarie...
Authors: A. Jones, R. Raja Segaran, M. Hennekam, C. Asanopoulos, K. Clarke, B. M. Gillanders, A. Turner, S. Gaylard, R. Daly and M.FernandesYear: 2021
Report
PDF (14.71 MB)
The Chowilla Floodplain is the largest remaining area of undeveloped floodplain habitat in the lower Murray-Darling Basin (MDB). Nonetheless, it has suffered ecological degradation due to reduced magnitude, duration and frequency of flooding as a result of river regulation and wa...
Authors: K. Frahn, J. Fredberg, S. Gehrig, K. Marsland and J. WeedonYear: 2021
Report
PDF (0.96 MB)
Port Spencer, north of Tumby Bay, is being developed by Peninsula Ports as a grain export facility. The port development will include the construction of a causeway and jetty which will impact on the benthic habitat, including seagrasses, hence these need to be mapped prior to co...
Year: 2021
Report
PDF (3.52 MB)
This report assesses the current status of the Blue Crab (Portunus armatus) resource and provides the latest estimates of the biological performance indicators (PIs), information in context of the reference points (RPs) and stock status classification described in the Management ...
Authors: C. L. Beckmann and G. E. HooperYear: 2021
Report
PDF (7.98 MB)
Shipping is a major vector for marine pest introductions, and port areas are therefore at high risk of new marine pest introductions. Knowledge of pest occurrence around ports is also required for management, including to ensure compliance with ballast water controls. Surveys of ...
Year: 2021