An innovative fishing gear to enhance the release of non-target species in coastal shark-control programs: The SMART (shark management alert in real-time) drumline

Guyomard, David; Perry, Christophe; Tournoux, P; Cliff, Geremy; Peddemors, Victor M.; Jaquemet, Sébastien

doi:10.1016/j.fishres.2019.03.011

Cited by 48 publications

(48 citation statements)

References 58 publications

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“…A range of sublethal effects on a captured animals physiological status can lead to hyperglycaemia, lactic acidosis and hyperkalemia, which may indicate post-release mortality of animals found alive on drumlines or as bycatch in commercial fisheries (Mandelman and Skomal, 2009; Skomal and Mandelman, 2012). In 2013, a modified version of the traditional drumline using the “Catch-A-Live”® system was developed, making the lines SMART (Shark-Management-Alert-in-Real-Time as named in NSW) (Guyomard et al ., 2019). These SMART drumlines use a GPS-enabled buoy in conjunction with traditional drumlines to provide near real-time alerts to the presence of a captured animal, allowing for fast response times that may reduce the likelihood of injurious consequences for captured animals.…”

Section: Introductionmentioning

confidence: 99%

The acute physiological status of white sharks (Carcharodon carcharias) exhibits minimal variation after capture on SMART drumlines

Tate

Cullis

Smith

et al. 2019

Conservation Physiology

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Section: Introductionmentioning

confidence: 99%

The acute physiological status of white sharks (Carcharodon carcharias) exhibits minimal variation after capture on SMART drumlines

Tate

Cullis

Smith

et al. 2019

Conservation Physiology

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“…Three sharks were recaptured and fitted with an additional externally-attached acoustic transmitter as part of a wider research program. Sharks were either caught using Shark Management Alert in Real Time (SMART) drumlines 61 or following protocols described in Bruce and Bradford (2013) 59 and CSIRO (2015) 58 . Sharks were brought alongside the boat and secured with either an in-water sling or a belly and tail rope following capture.…”

Section: Discussionmentioning

confidence: 99%

Spatiotemporal distribution patterns of immature Australasian white sharks (Carcharodon carcharias)

Spaet

Patterson

Bradford

et al. 2020

Sci Rep

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In Australian and New Zealand waters, current knowledge on white shark (Carcharodon carcharias) movement ecology is based on individual tracking studies using relatively small numbers of tags. These studies describe a species that occupies highly variable and complex habitats. However, uncertainty remains as to whether the proposed movement patterns are representative of the wider population. Here, we tagged 103 immature Australasian white sharks (147-350 cm fork length) with both acoustic and satellite transmitters to expand our current knowledge of population linkages, spatiotemporal dynamics and coastal habitats. Eighty-three sharks provided useable data. Based on individual tracking periods of up to 5 years and a total of 2,865 days of tracking data, we were able to characterise complex movement patterns over ~45° of latitude and ~72° of longitude and distinguish regular/recurrent patterns from occasional/exceptional migration events. Shark movements ranged from Papua New Guinea to sub-Antarctic waters and to Western Australia, highlighting connectivity across their entire Australasian range. Results over the 12-year study period yielded a comprehensive characterisation of the movement ecology of immature Australasian white sharks across multiple spatial scales and substantially expanded the body of knowledge available for population assessment and management.

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“…The programme targets both tiger shark Galeocerdo cuvier (Péron & LeSueur 1822) and bull sharks. Bottom longlines and drumlines with a catch-alive system (called SMART drumline) are deployed along the west coast of Reunion Island (21 06 0 S, 55 36 0 E; south-western Indian Ocean, 700 km east of Madagascar) to catch bull and tiger sharks while releasing by-catches alive (Guyomard et al, 2019). From 2012 to 2017, 118 bull sharks (58 females and 60 males) were caught and dissected less than 36 h after capture.…”

Section: Sampling and Measurementsmentioning

confidence: 99%

Reproductive biology, multiple paternity and polyandry of the bull shark Carcharhinus leucas

Pirog

Magalon

Poirout

et al. 2019

Journal of Fish Biology

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To improve understanding of bull shark Carcharhinus leucas reproductive biology, we analysed reproductive traits from 118 bull sharks caught along Reunion Island coasts (Western Indian Ocean), including 16 gravid females. Specific microsatellite loci were used to investigate the frequency of multiple paternity. Males and females reached maturity at c. 234 cm and 257 cm total length (LT), respectively, and litter sizes ranged from 5 to 14 embryos. Analysis of the 16 litters collected in various months of the year indicated that parturition occurs between October and December, with a size at birth c. 60–80 cm LT and that the gestation period is probably c. 12 months. Assuming a 1 year resting period and a period of sperm storage (4–5 months) between mating (in June–September) and fertilisation, the reproductive cycle of bull sharks at Reunion Island would be biennial. At least 56.25% of the litters investigated were polyandrous, sired by 2–5 males. Several males that each sired several litters conceived during the same or distinct mating seasons were detected, suggesting both a seasonal aggregation of sharks to mate and some male fidelity to mating site. Altogether, these findings provide valuable information for both shark risk management and conservation of the species in the Western Indian Ocean.

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An innovative fishing gear to enhance the release of non-target species in coastal shark-control programs: The SMART (shark management alert in real-time) drumline

Cited by 48 publications

References 58 publications

The acute physiological status of white sharks (Carcharodon carcharias) exhibits minimal variation after capture on SMART drumlines

The acute physiological status of white sharks (Carcharodon carcharias) exhibits minimal variation after capture on SMART drumlines

Spatiotemporal distribution patterns of immature Australasian white sharks (Carcharodon carcharias)

Reproductive biology, multiple paternity and polyandry of the bull shark Carcharhinus leucas

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