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Articles de revues sur le sujet « Fishing South Australia »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 19 février 2022

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1

Raoult, V., V. Peddemors, and J. E. Williamson. "Biology of angel sharks (Squatina sp.) and sawsharks (Pristiophorus sp.) caught in south-eastern Australian trawl fisheries and the New South Wales shark-meshing (bather-protection) program." Marine and Freshwater Research 68, no. 2 (2017): 207. http://dx.doi.org/10.1071/mf15369.

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Two species of angel shark (Squatina australis, S. albipunctata) and two species of sawshark (Pristiophorus nudipinnis, P. cirratus) are frequently caught in south-eastern Australia. Little is known of the biology of these elasmobranchs, despite being caught as secondary target species in large numbers. The present study collected morphometric and reproductive data from sharks caught in shark-control nets, commercial fishing trawlers and research trawlers in south-eastern Australia. All four species had female-biased sexual size dimorphism, but growth curves between sexes did not differ. Male

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McMillan, M. N., C. Huveneers, J. M. Semmens, and B. M. Gillanders. "Partial female migration and cool-water migration pathways in an overfished shark." ICES Journal of Marine Science 76, no. 4 (December 5, 2018): 1083–93. http://dx.doi.org/10.1093/icesjms/fsy181.

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Abstract Knowledge about reproductive movements can be of important conservation value for over-exploited species that are vulnerable when moving between and within key reproductive habitats. Lack of knowledge persists around such movements in the overfished school shark Galeorhinus galeus in Australia. Management assumes all pregnant females migrate between adult aggregations in the Great Australian Bight, South Australia, and nursery areas around Bass Strait and Tasmania. We tracked 14 late-term pregnant females tagged in South Australia using satellite-linked pop-up archival tags to investi

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Lowry, Michael, and Jeff Murphy. "Monitoring the recreational gamefish fishery off south-eastern Australia." Marine and Freshwater Research 54, no. 4 (2003): 425. http://dx.doi.org/10.1071/mf01269.

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The east coast Australian gamefish fishery is a diverse, multi-species fishery that targets billfish, sharks, tuna and other pelagic fish along the east Australian seaboard. A Gamefish Tournament Monitoring Program (GTMP) was undertaken, and 39021 angler trips from 1996 to 2000 were analysed. The program reports on trends in fishing effort, catch rates, catch composition, proportions of captures tagged and released and spatial distribution of catches for the principal recreational billfish species: black marlin (Makaira indica), striped marlin (Tetrapterus audax) and blue marlin (Makiara nigri

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Barton, Diane P., Laura Taillebois, Jonathan Taylor, David A. Crook, Thor Saunders, Mark Hearnden, Alan Greig, et al. "Stock structure of Lethrinus laticaudis (Lethrinidae) across northern Australia determined using genetics, otolith microchemistry and parasite assemblage composition." Marine and Freshwater Research 69, no. 4 (2018): 487. http://dx.doi.org/10.1071/mf17087.

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The grass emperor Lethrinus laticaudis is a conspicuous element of the commercial and recreational catch from nearshore reef systems across northern Australia. The nearshore reef systems across northern Australia are exposed to increasing levels of fishing pressure from commercial and recreational fishers. To inform ongoing management of this species, the present study examined the stock structure of L. laticaudis across northern Australia using a combination of complementary techniques. In all, 342 L. laticaudis samples were collected from 13 locations in the coastal waters of northern Austra

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Steele, Dominic. "Fishing in Port Jackson, New South Wales–more than met the eye." Antiquity 69, no. 262 (March 1995): 47–60. http://dx.doi.org/10.1017/s0003598x00064292.

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Contemporary diaries and the water-colours of artists such as the Port Jackson Painter vividly tell of Aboriginal life when the First Fleet in 1788 settled its cargo of convicts in Australia. Fishing was important around the waters of Port Jackson, whose Aboriginal inhabitants are recorded to have used the techniques of spear-fishing and angling. Were other methods also used? Fish remains from a shell midden provide an opportunity to investigate.

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Stevens, JD. "Blue and Mako Shark by-catch in the Japanese Longline Fishery off South-eastern Australia." Marine and Freshwater Research 43, no. 1 (1992): 227. http://dx.doi.org/10.1071/mf9920227.

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During the last 10 years, up to 70 Japanese longline vessels have fished Tasmanian waters of the Australian Fishing Zone each season, targeting bluefin tuna (Thunnus maccoyii). The average seasonal fishing effort in Tasmanian waters is about 3.3 million hooks, and data from observers suggests that, this results in a by-catch of some 34 000 blue sharks (Prionace glauca) each year, representing a weight of about 275 tonnes. In the last few years, fishing effort has increased as the catch rates of southern bluefin tuna have declined. The sharks are discarded after removal of the fins. The actual

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THIRUMARAISELVI, Ramakrishnan, and Muthusamy THANGARAJ. "Genetic Diversity Analysis of Indian Salmon, Eleutheronema tetradactylum from South Asian Countries Based on Mitochondrial COI Gene Sequences." Notulae Scientia Biologicae 7, no. 4 (December 13, 2015): 417–22. http://dx.doi.org/10.15835/nsb749668.

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Eleutheronema tetradactylum is an important commercial fish species exposed to intense exploitation both in Southeast Asian countries and Northern parts of Australia. Research on the population structure of E. tetradactylum in these coastal waters is substantial in order to ensure sustainable use and appropriate resource management. In this study, genetic variation, diversity and population structure of E. tetradactylum among four FAO fishing areas, along South Asian countries, were evaluated using cytochrome c oxidase subunit I (COI) gene. Totally 30 sequences of COI gene were collected from

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Harvey, Alison. "A Fishing Legend of the Jaralde Tribe of Lake Alexandrina, South Australia." Mankind 3, no. 4 (February 10, 2009): 108–12. http://dx.doi.org/10.1111/j.1835-9310.1943.tb00162.x.

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Freeman, Clive, Julie Freeman, and Michelle C. Langley. "Gymea and the Fishing Technologies of the New South Wales Coast, Australia." Cambridge Archaeological Journal 31, no. 2 (February 5, 2021): 305–12. http://dx.doi.org/10.1017/s0959774320000396.

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Stories are important to all modern peoples, and this behaviour was no doubt also the case during the deep past. Consequently, it is important that archaeologists understand that artefacts made and discarded thousands of years ago were woven with stories by the peoples who produced them. In some regions of the world, these stories remain accessible by collaborating with the Traditional Owners of the lands from which they were recovered, while in others such an approach is impossible. Nevertheless, researchers need to remember that items carried meaning usually invisible to those outside commun

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Creighton, Colin, Paul I. Boon, Justin D. Brookes, and Marcus Sheaves. "Repairing Australia's estuaries for improved fisheries production – what benefits, at what cost?" Marine and Freshwater Research 66, no. 6 (2015): 493. http://dx.doi.org/10.1071/mf14041.

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An Australia-wide assessment of ~1000 estuaries and embayments undertaken by the National Land and Water Resources Audit of 1997–2002 indicated that ~30% were modified to some degree. The most highly degraded were in New South Wales, where ~40% were classified as ‘extensively modified’ and <10% were ‘near pristine’. Since that review, urban populations have continued to grow rapidly, and increasing pressures for industrial and agricultural development in the coastal zone have resulted in ongoing degradation of Australia's estuaries and embayments. This degradation has had serious effects on

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Tixier, Paul, Mary-Anne Lea, Mark A. Hindell, Christophe Guinet, Nicolas Gasco, Guy Duhamel, and John P. Y. Arnould. "Killer whale (Orcinus orca) interactions with blue-eye trevalla (Hyperoglyphe antarctica) longline fisheries." PeerJ 6 (August 8, 2018): e5306. http://dx.doi.org/10.7717/peerj.5306.

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Over the past five decades, marine mammal interactions with fisheries have become a major human-wildlife conflict globally. The emergence of longline fishing is concomitant with the development of depredation-type interactions i.e., marine mammals feeding on fish caught on hooks. The killer whale (Orcinus orca) is one of the species most involved in depredation on longline fisheries. The issue was first reported in high latitudes but, with increasing expansion of this fishing method, other fisheries have begun to experience interactions. The present study investigated killer whale interactions

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Bansemer, C. S., and M. B. Bennett. "Retained fishing gear and associated injuries in the east Australian grey nurse sharks (Carcharias taurus): implications for population recovery." Marine and Freshwater Research 61, no. 1 (2010): 97. http://dx.doi.org/10.1071/mf08362.

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Incidental hooking of Carcharias taurus is a threat to their populations’ recovery on the east coast of Australia. Photo-identification techniques were used to investigate the frequency of hooking at 25 aggregation sites along the east coast of Australia between 2006 and 2008. Of the 673 sharks identified, 113 sharks were identified with signs of 119 incidences of hooking. For sharks with both their left and right flank photographed during a single survey day, up to 29% of females and 52% of males were identified with retained fishing gear or an attributed jaw injury. The largest number of sha

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Gray, Charles A. "Spatial variation in by-catch from a prawn seine-net fishery in a south-east Australian coastal lagoon." Marine and Freshwater Research 52, no. 7 (2001): 987. http://dx.doi.org/10.1071/mf00121.

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Observer-based estimates of the catches and by-catches from prawn seining (locally termed ‘snigging’) in Tuggerah Lake (NSW, Australia) during the 1998/99 fishing season are presented. Observed catches included three species of penaeid prawns, while observed by-catches contained a total of 49 finfish and 5 invertebrate taxa. The overall by-catch:prawn catch ratio by weight was 0.9:1, and in catching an estimated 20 ± 4 t of prawns the fleet took an estimated total by-catch of ± 2 t throughout the 6-month fishing season. The by-catch included large numbers of small (<15 cm total length) finf

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Klaer, N. L. "Steam trawl catches from south-eastern Australia from 1918 to 1957: trends in catch rates and species composition." Marine and Freshwater Research 52, no. 4 (2001): 399. http://dx.doi.org/10.1071/mf00101.

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Haul-by-haul steam trawler catch and effort data for 1918–23, 1937–43 and 1952–57, which cover a large portion of the history of steam trawling in the Australian South East Fishery, were examined in detail for the first time. There were 64371 haul records in total. The catch-rate for all retained catch combined shows a strong decline overall, with a brief recovery during World War II, probably due to increased retention of previously discarded species. The fishing fleet moved to more distant fishing grounds and deeper waters as the catch-rate declined. The catch-rates of the main commercial sp

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Dortch, C. E. "New perceptions of the chronology and development of Aboriginal fishing in South‐Western Australia." World Archaeology 29, no. 1 (June 1997): 15–35. http://dx.doi.org/10.1080/00438243.1997.9980361.

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Lynch, T. P., C. B. Smallwood, F. A. Ochwada-Doyle, J. Lyle, J. Williams, K. L. Ryan, C. Devine, B. Gibson, and A. Jordan. "A cross continental scale comparison of Australian offshore recreational fisheries research and its applications to Marine Park and fisheries management." ICES Journal of Marine Science 77, no. 3 (June 10, 2019): 1190–205. http://dx.doi.org/10.1093/icesjms/fsz092.

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Abstract Recreational fishing is popular in Australia and is managed by individual states in consultation with the Commonwealth for those fisheries that they regulate and also for Australian Marine Parks (AMPs). Fishers regularly access both state and offshore Commonwealth waters but this offshore component of the recreational fishery is poorly understood. Our study tested the functionality of existing state-based surveys in Western Australia (WA) and New South Wales (NSW) to better inform Commonwealth fisheries and AMP managers about recreational fishing in their jurisdictions. Catch estimate

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Knuckey, Ian A., and K. P. Sivakumaran. "Reproductive characteristics and per-recruit analyses of blue warehou (Seriolella brama): implications for the South East Fishery of Australia." Marine and Freshwater Research 52, no. 4 (2001): 575. http://dx.doi.org/10.1071/mf00022.

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Monthly samples of commercial catches of S. brama were collected between May 1996 and December 1997 in three regions of the fishery:off the east coast of Victoria; eastern Tasmania; and western Bass Strait. Sex ratio, gonadosomatic index, macroscopic and histological development, size at maturity and fecundity were estimated and combined with data on growth and mortality to perform per-recruit analyses. The main spawning period was during winter–spring and there was evidence of spawning in each of the three regions. Blue warehou reach maturity at 30–40 cm fork length. They have a determinate a

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18

Linnane, A. J., S. S. Penny, and T. M. Ward. "Contrasting fecundity, size at maturity and reproductive potential of southern rock lobster Jasus edwardsii in two South Australian fishing regions." Journal of the Marine Biological Association of the United Kingdom 88, no. 3 (May 2008): 583–89. http://dx.doi.org/10.1017/s0025315408001021.

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The annual commercial catch from the Southern Zone of the South Australian rock lobster (Jasus edwardsii) fishery is ~1900 tonnes, representing ~50% of total landings from south-east Australia. A single minimum legal size (MLS) of 98.5 mm carapace length (CL) exists across the entire zone. Fecundity (F), size at onset of maturity (SOM) and relative reproductive potential (RRP) of female rock lobsters were investigated in two major fishing regions, i.e. the North Southern Zone (NSZ) and South Southern Zone (SSZ) with a view to providing a basis for future fine-scale spatial management of the re

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Fowler, A. J., M. A. Steer, W. B. Jackson, and M. T. Lloyd. "Population characteristics of southern sea garfish (Hyporhamphus melanochir, Hemiramphidae) in South Australia." Marine and Freshwater Research 59, no. 5 (2008): 429. http://dx.doi.org/10.1071/mf07230.

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Population dynamics, demography and spatial distribution of an important species of ‘halfbeak’, the southern sea garfish (Hyporhamphus melanochir), were studied in South Australia, which accounts for most of the national catch. Commercial catch and effort data were used to indicate spatial and temporal abundance. Catch sampling provided fish measurements and estimates of age, sex and reproductive maturity. Catches were from throughout South Australia’s gulf region, but three areas separated by hundreds of kilometres produced the highest catches. These relatively protected areas support extensi

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Foster, Scott D., Piers K. Dunstan, Franziska Althaus, and Alan Williams. "The cumulative effect of trawl fishing on a multispecies fish assemblage in south-eastern Australia." Journal of Applied Ecology 52, no. 1 (October 3, 2014): 129–39. http://dx.doi.org/10.1111/1365-2664.12353.

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Connor, Robin, and Dave Alden. "Indicators of the effectiveness of quota markets: the South East Trawl Fishery of Australia." Marine and Freshwater Research 52, no. 4 (2001): 387. http://dx.doi.org/10.1071/mf99164.

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This paper presents some results of an investigation into potential indicators for the assessment of markets for individual transferable fishing quota where price data do not exist. The economic logic for implementing such markets and how they are expected to work is used as a basis for asking questions about how well they are performing, and what might comprise evidence of problems. Given data on quota ownership, transfer and leasing, and associated catches, but no quota price data, indicators are suggested for monitoring and analysing market activity. These are applied to data from the Austr

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Shaughnessy, PD, and SR Davenport. "Underwater videographic observations and incidental mortality of fur seals around fishing equipment in south-eastern Australia." Marine and Freshwater Research 47, no. 3 (1996): 553. http://dx.doi.org/10.1071/mf9960553.

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Mitchell, Rebecca J., Lauren Ware, and Mike R. Bambach. "The role of evidence, standards and education in rock fishing safety in New South Wales, Australia." Australian and New Zealand Journal of Public Health 38, no. 6 (August 28, 2014): 579–84. http://dx.doi.org/10.1111/1753-6405.12247.

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Alleway, Heidi K., Ruth H. Thurstan, Peter R. Lauer, and Sean D. Connell. "Incorporating historical data into aquaculture planning." ICES Journal of Marine Science 73, no. 5 (November 2, 2015): 1427–36. http://dx.doi.org/10.1093/icesjms/fsv191.

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Abstract Marine historical research has made progress in bridging the gap between science and policy, but examples in which it has been effectively applied remain few. In particular, its application to aquaculture remains unexplored. Using actual examples of natural resource management in the state of South Australia, we illustrate how historical data of varying resolution can be incorporated into aquaculture planning. Historical fisheries records were reviewed to identify data on the now extinct native oyster Ostrea angasi fishery throughout the 1800 and early-1900s. Records of catch, number

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Raoult, V., V. Peddemors, K. Rowling, and J. E. Williamson. "Spatiotemporal distributions of two sympatric sawsharks (Pristiophorus cirratus and P. nudipinnis) in south-eastern Australian waters." Marine and Freshwater Research 71, no. 10 (2020): 1342. http://dx.doi.org/10.1071/mf19277.

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Sawsharks are one of the least well-known groups of sharks globally, yet they are caught in large numbers in south-eastern Australia. In this study we assessed spatiotemporal patterns of distribution of two co-occurring species of sawsharks, namely the common sawshark (Pristiophorus cirratus) and the southern sawshark (Pristiophorus nudipinnis), to guide future research in this area. To identify where the animals may occur in greater numbers, this study used the major commercial fishery datasets in the region, containing nearly 180000 catch records from 1990 to 2017. Several general patterns w

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Bills, Kym. "Building a world-class Australian decommissioning industry." APPEA Journal 58, no. 2 (2018): 690. http://dx.doi.org/10.1071/aj17154.

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Collaboration in decommissioning offshore infrastructure could save both industry and taxpayers billions of dollars and facilitate new industries and exports for Australia, especially in the Asia-Pacific region. At the end of the liquefied natural gas (LNG) plant construction boom, Australia must not miss out on this major new opportunity. The 2017 bid for Commonwealth funding to establish a Decommissioning Offshore Infrastructure Cooperative Research Centre (DOI-CRC) involved more than 30 participants and many other collaborators. High-level commitments were made by Chevron, Woodside, Shell,

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McGlennon, David, G. Keith Jones, Janine Baker, W. Bruce Jackson, and Martine A. Kinloch. "Ageing, catch-at-age and relative year-class strength for snapper (Pagrus auratus) in northern Spencer Gulf, South Australia." Marine and Freshwater Research 51, no. 7 (2000): 669. http://dx.doi.org/10.1071/mf98095.

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Commercial landings of Pagrus auratus declined to 25-year lows in South Australia in 1994, and sustainability of the fishery was questioned. This study investigated two potential explanations for the decline – changes in fishing effort and recruitment variability. Data for 1983–97 from northern Spencer Gulf, which contributes the majority of snapper catches in the State, showed that 74% of the variance in targeted catch was explained by catch per unit effort, and 20% by fishing effort. Recruitment variability was examined by analysis of age structures of the commercial catch. An ageing procedu

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Ward, Tim M., David C. Smith, Rod Lukatelich, Rob Lewis, Gavin A. Begg, and Rochelle Smith. "INTEGRATED APPROACH TO ECOLOGICAL AND SOCIO-ECONOMIC RESEARCH TO SUPPORT THE OIL AND GAS INDUSTRY: THE GREAT AUSTRALIAN BIGHT COLLABORATIVE RESEARCH SCIENCE PROGRAM." International Oil Spill Conference Proceedings 2014, no. 1 (May 1, 2014): 2193–205. http://dx.doi.org/10.7901/2169-3358-2014.1.2193.

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ABSTRACT BP is investing $A1.43B and drilling four exploratory wells in the hope of discovering a new deep-water oil and gas province in the Great Australia Bight (GAB). The GAB is one of Australia's most valuable marine ecosystems. It supports globally significant populations of seabirds and marine mammals, diverse and endemic benthic assemblages and important fishing, aquaculture and ecotourism industries. Two research agencies (CSIRO, South Australian Research and Development Institute) and two universities (University of Adelaide, Flinders University of South Australia) recently entered in

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McLeay, Lachlan, Adrian Linnane, Richard McGarvey, Simon Bryars, and Peter Hawthorne. "Response of a southern rock lobster (Jasus edwardsii) population to three years of Marine Protected Area implementation within South Australia." Journal of the Marine Biological Association of the United Kingdom 101, no. 1 (January 21, 2021): 141–49. http://dx.doi.org/10.1017/s0025315420001332.

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AbstractThe Western Kangaroo Island Marine Park (WKIMP) was declared as part of South Australia's representative system of Marine Protected Areas in 2009. Sanctuary Zone 3 (SZ-3) of the WKIMP is a no-take area protected from fishing since 1 October 2014 and is located within the Northern Zone Rock Lobster Fishery (NZRLF). In February 2017, a dedicated survey was undertaken to estimate the relative abundance (catch per unit effort (CPUE), kg/potlift) and size of southern rock lobster (Jasus edwardsii) inside and outside SZ-3. Survey results were then compared with historical estimates of abunda

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Larcombe, James W. P., Kevin J. McLoughlin, and Richard D. J. Tilzey. "Trawl operations in the South East Fishery, Australia: spatial distribution and intensity." Marine and Freshwater Research 52, no. 4 (2001): 419. http://dx.doi.org/10.1071/mf99169.

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Trawl areas and intensities were mapped at coarse (22 km 1986–99)and fine (1 km 1995–99)scales, and statistics reported by area and depth stratum. Total effort in hours was relatively stable to 1992, then increased substantially to 1999. The total distance trawled from fine-scale analysis showed a similar trend for the 1995–99 period. Coarse-scale analysis from 1986–99 indicated effort increases in north-east Bass Strait in particular, and also off western Tasmania and west of Bass Strait. There was little change in the total area of the fishery from 1995 to 1999, but grid cells on the periphe

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Pepperell, JG. "Trends in the distribution, species composition and size of sharks caught by Gamefish Anglers off South-eastern Australia, 1961-90." Marine and Freshwater Research 43, no. 1 (1992): 213. http://dx.doi.org/10.1071/mf9920213.

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Records of shark captures were extracted from the archives of 10 of the major New South Wales gamefishing clubs that operate from ports located between latitudes 33�s and 37�s. Although organized game fishing began off eastern Australia in 1936, the majority of catches were made after 1960. Data normally recorded by these clubs included common name of shark, whole weight, locality of capture, boat name and angler. Recognized single species of sharks recorded by these clubs were blue (Prionace glauca), tiger (Galeocerdo cuvier), white (Carcharodon carcharias), shortfin mako (Isurus oxyrinchus)

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Mountford, C. P. "Aboriginal Methods of Fishing and Cooking as used on the Southern Coast of Eyre's Peninsula, South Australia." Mankind 2, no. 7 (February 10, 2009): 196–200. http://dx.doi.org/10.1111/j.1835-9310.1939.tb00963.x.

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Alleway, Heidi K., Sean D. Connell, Tim M. Ward, and Bronwyn M. Gillanders. "Historical changes in mean trophic level of southern Australian fisheries." Marine and Freshwater Research 65, no. 10 (2014): 884. http://dx.doi.org/10.1071/mf13246.

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Decreases in the mean trophic level (MTL) of fishery catches have been used to infer reductions in the abundance of high trophic level species caused by fishing pressure. Previous assessments of southern Australian fisheries have been inconclusive. The objectives of the present study were to provide more accurate estimates of MTL using disaggregated taxonomic and spatial data. We applied the model of MTL to fisheries catch statistics for the state of South Australia from 1951 to 2010 and a novel set of historical market data from 1936 to 1946. Results show that from 1951 to 2010, MTL declined

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Filby, Nicole E., Mike Bossley, and Karen A. Stockin. "Behaviour of free-ranging short-beaked common dolphins (Delphinus delphis) in Gulf St Vincent, South Australia." Australian Journal of Zoology 61, no. 4 (2013): 291. http://dx.doi.org/10.1071/zo12033.

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Common dolphins are subject to large-scale fishing activity and tourism operations in South Australia; however, there is a paucity of data on this species. Understanding the behaviour of a population can contribute greatly to our knowledge of a species and how to manage potential population-level threats. This paper describes the behaviour of short-beaked common dolphins (Delphinus delphis) in Australian waters for the first time. Data were collected from 109 independent dolphin groups during boat-based surveys conducted in Gulf St Vincent, South Australia, between September 2005 and May 2008.

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McPherson, GR. "Reproductive biology of yellowfin tuna in the eastern Australian Fishing Zone, with special reference to the north-western Coral Sea." Marine and Freshwater Research 42, no. 5 (1991): 465. http://dx.doi.org/10.1071/mf9910465.

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Developmental stages of oocyte maturation and degenerative stages of postovulatory follicles in yellowfin tuna from the eastern Australian Fishing Zone of the Coral Sea are described. The time of spawning of yellowfin appeared to be during the late evening and early morning. Final oocyte maturation occurred in less than 24 h; postovulatory follicles could not be identified in ovaries after 24 h. Spawning of yellowfin commenced in the north-western Coral Sea by October and had ceased in the central-western Coral Sea by late February. The duration of spawning appeared to be less protracted in th

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Power, Hannah E., Michael A. Kinsela, Caio E. Stringari, Murray J. Kendall, and David J. Hanslow. "WAVE OVERWASH ON A ROCK PLATFORM: REMOTE SENSING AND PRESSURE SENSOR OBSERVATIONS." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 29. http://dx.doi.org/10.9753/icce.v36.waves.29.

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Open ocean rocky shore platforms are typically exposed to high wave energy and are often the location of recreational activities from sightseeing and walking to fishing (Kennedy et al. 2017). The exposure of these environments, combined with the use for recreation, results in a high level of risk for those who use the rock platform. In Australia, for example, 19% of coastal fatalities occur on rock coasts, most commonly when individuals fall from microtidal semi-horizontal platforms into the ocean (SLSA, 2014a,b). Managing the hazards and resultant risk on rocky shore platforms requires a diff

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Braccini, Matias, Simon de Lestang, and Rory McAuley. "Dusky sharks (Carcharhinus obscurus) undertake large-scale migrations between tropical and temperate ecosystems." Canadian Journal of Fisheries and Aquatic Sciences 75, no. 9 (September 2018): 1525–33. http://dx.doi.org/10.1139/cjfas-2017-0313.

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Understanding the large-scale migrations of marine predators can allow better representation of their population dynamics. The migration biology of dusky sharks (Carcharhinus obscurus), a cosmopolitan large marine predator with very low resilience to fishing, was quantified using a large-scale network of acoustic receivers deployed across Western Australia. Time-series plotting of individual shark detections and modified logistic modelling were used to determine the timing of acoustically tagged sharks’ seasonal migration, the proportion of the population migrating, and the size at which shark

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Liggins, GW, SJ Kennelly, and MK Broadhurst. "Observer-based survey of by-catch from prawn trawling in Botany Bay and Port Jackson, New South Wales." Marine and Freshwater Research 47, no. 7 (1996): 877. http://dx.doi.org/10.1071/mf9960877.

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Catches and by-catches were surveyed in the commercial prawn trawl fleets of Botany Bay and Port Jackson, two estuaries in the Sydney metropolitan area (NSW, Australia). Catches were surveyed in all tows during replicate fishing trips in each month during the 1990-91 and 1991-92 prawn trawl seasons in each estuary. Significant species-specific variabilities in abundances were detected between estuaries, between years, and between early and late in the fishing season. The mean annual ratio of by-catch to catch of prawns (by weight) was 2.5 : 1 for Botany Bay and 1.8 : 1 for Port Jackson. A mean

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Broadhurst, Matt K., Russell B. Millar, Damian J. Young, Michael E. L. Wooden, and Stuart Rowland. "Atypical size selection of captive school prawns,Metapenaeus macleayi, by three recreational fishing gears in south‐eastern Australia." New Zealand Journal of Marine and Freshwater Research 38, no. 5 (December 2004): 755–66. http://dx.doi.org/10.1080/00288330.2004.9517275.

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Momtaz, Salim, and William Gladstone. "Ban on commercial fishing in the estuarine waters of New South Wales, Australia: Community consultation and social impacts." Environmental Impact Assessment Review 28, no. 2-3 (February 2008): 214–25. http://dx.doi.org/10.1016/j.eiar.2007.03.001.

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Punt, A. E., D. C. Smith, R. B. Thomson, M. Haddon, X. He, and J. M. Lyle. "Stock assessment of the blue grenadier Macruronus novaezelandiae resource off south-eastern Australia." Marine and Freshwater Research 52, no. 4 (2001): 701. http://dx.doi.org/10.1071/mf99136.

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The fishery can be divided into two subfisheries (‘spawning’ and ‘non-spawning’). Commercial catch rates for the ‘non-spawning’ subfishery declined from the late 1980s to 1997, whereas those for the ‘spawning’ subfishery exhibit no obvious temporal trend. An ‘Integrated Analysis’ assessment, of the feasibility of reconciling these differing trends, uses catch (landed and discarded), catch rate, length-at-age, and catch-at-age data and estimates of absolute abundance based on the egg-production method. It emphasizes uncertainty due to model assumptions and the data included in the assessment. U

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Shepherd, S. A., and L. D. Brown. "What is an Abalone Stock: Implications for the Role of Refugia in Conservation." Canadian Journal of Fisheries and Aquatic Sciences 50, no. 9 (September 1, 1993): 2001–9. http://dx.doi.org/10.1139/f93-224.

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This paper concerns the conservation of abalone stocks in a genetic and fisheries sense. We review genetic and ecological information relating to the differentiation of abalone stocks in South Australia and propose that metapopulation theory provides an apt framework in which to develop the concept of an abalone stock. We consider what is a minimum viable population for abalone and illustrate our discussion with a case study of an abalone population that declined through a combination of fishing, recruitment failure, and inadequate protection by a refugium. Refugia can play an important role i

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Francis, Malcolm P., David Harasti, and Hamish A. Malcolm. "Surviving under pressure and protection: a review of the biology, ecology and population status of the highly vulnerable grouper Epinephelus daemelii." Marine and Freshwater Research 67, no. 8 (2016): 1215. http://dx.doi.org/10.1071/mf15099.

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Epinephelus daemelii is a threatened serranid grouper species that is restricted to the south-western Pacific Ocean, ranging from eastern Australia to northern New Zealand and the Kermadec Islands. Declines in its abundance due to fishing pressure were reported as early as 1916. Aspects of this species’ biology and behaviour that make it vulnerable include its longevity, late age at maturity, protogynous hermaphroditism, territoriality and limited shallow reef habitat. Adults prefer complex habitat with caves and overhangs at depths of less than 50m, whereas juveniles live in rock pools, shall

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Dowling, Natalie A., Stephen J. Hall, and Richard McGarvey. "Assessing population sustainability and response to fishing in terms of aggregation structure for greenlip abalone (Haliotis laevigata) fishery management." Canadian Journal of Fisheries and Aquatic Sciences 61, no. 2 (February 1, 2004): 247–59. http://dx.doi.org/10.1139/f03-165.

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The greenlip abalone (Haliotis laevigata) population in Waterloo Bay, South Australia, has undergone collapse and fishery closure twice since 1978. A rich data set, including survey measures of degree of spatial aggregation, has been gathered over that time and provides a unique opportunity to identify factors accounting for persistence or collapse, an issue that is of significance to abalone fisheries worldwide. Statistical analyses of fishery and survey data were undertaken to infer functional relationships between catch, effort, recruitment, adult density, and extent of aggregation. Catch r

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Simmons, B. L., and S. L. Trengove. "Impact of Catchment Urbanisation on Lake Macquarie (Australia)." Water Science and Technology 21, no. 2 (February 1, 1989): 205–10. http://dx.doi.org/10.2166/wst.1989.0051.

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Increasing urbanisation of coastal areas is leading to impacts on coastal lakes which decrease their amenity for recreation and tourism. Runoff and wastewater discharge cause siltation, impact seagrass beds and change the characteristics of open waters, affecting boating, swimming, fishing and the aesthetic quality of the locale. Management of urban development and wastewater disposal is required to minimise sedimentation and nutrient enrichment. This could include development restrictions, runoff controls and a strategy for wastewater treatment and discharge. The catchment of Lake Macquarie,

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Owen, Jennifer F., and John R. Merrick. "Analysis of Coastal Middens in South-Eastern Australia: Selectivity of Angling and Other Fishing Techniques Related to Holocene Deposits." Journal of Archaeological Science 21, no. 1 (January 1994): 11–16. http://dx.doi.org/10.1006/jasc.1994.1003.

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McGarvey, R., J. M. Matthews, and J. H. Prescott. "Estimating lobster recruitment and exploitation rate from landings by weight and numbers and age-specific weights." Marine and Freshwater Research 48, no. 8 (1997): 1001. http://dx.doi.org/10.1071/mf97209.

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Aprocedure is presented for incorporating catch totals by both weight and numbers in stock assessment. Their ratio is the weight of an average harvested individual which, in turn, reflects mean mortality rate. The model is age-based and requires, as input, a vector of average age-specific weights in the catch. The model developed for the South Australian rock lobster (Jasus edwardsii) fishery assumes steady state, constant fishing mortality on all age classes and a natural mortality rate equal to 0·1. Also explicit are reduced vulnerability of recruitment-aged lobsters and incidental mortality

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Cheung, William W. L., Jessica J. Meeuwig, Ming Feng, Euan Harvey, Vicky W. Y. Lam, Tim Langlois, Dirk Slawinski, Chaojiao Sun, and Daniel Pauly. "Climate-change induced tropicalisation of marine communities in Western Australia." Marine and Freshwater Research 63, no. 5 (2012): 415. http://dx.doi.org/10.1071/mf11205.

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A major observed and predicted impact of climate change on marine species is the poleward shift in their distributions and the resulting changes in community structure. Here, we used a Dynamic Bioclimate Envelope Model to project range shift of exploited marine fishes and invertebrates in Western Australia. We combined published data and expert knowledge to predict current species distributions for 30 tropical, sub-tropical and temperate species that occur along the coast of Western Australia. Using outputs from both a Regional Oceanographic Model and a Global Circulation Model, we simulated c

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Butcher, Paul A., Matt K. Broadhurst, and Craig P. Brand. "Mortality of sand whiting (Sillago ciliata) released by recreational anglers in an Australian estuary." ICES Journal of Marine Science 63, no. 3 (January 1, 2006): 567–71. http://dx.doi.org/10.1016/j.icesjms.2005.10.001.

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Abstract The mortality of hooked-and-released sand whiting (Sillago ciliata) and the key contributing factors were determined during a recreational fishing event in northern New South Wales, Australia. Participating anglers caught 124 sand whiting, of which 60 were tagged with plastic t-bar anchor tags, and then released into replicate sea cages. In all, 109 sand whiting were seined (54 were tagged) and similarly released into replicate sea cages for use as controls. All fish were monitored for mortalities over 7 days. There were no measurable effects of confinement in the sea cages on the str

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Rotherham, Douglas, William G. Macbeth, Steven J. Kennelly, and Charles A. Gray. "Reducing uncertainty in the assessment and management of fish resources following an environmental impact." ICES Journal of Marine Science 68, no. 8 (June 8, 2011): 1726–33. http://dx.doi.org/10.1093/icesjms/fsr079.

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Abstract Rotherham, D., Macbeth, W. G., Kennelly, S. J., and Gray, C. A. 2011. Reducing uncertainty in the assessment and management of fish resources following an environmental impact. – ICES Journal of Marine Science, 68: 1726–1733. The limitations of using information from commercial fisheries for assessing and managing resources and ecosystems are well known. Although fishery-independent data may overcome many such limitations, few studies have examined how incorporating data from different sources affects assessments and subsequent management decisions. Here, the value of integrating data

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