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Multiple spawning events promote increased larval dispersal of a predatory fish in a western boundary current

Published on Mar 20, 2020in Fisheries Oceanography2.66
· DOI :10.1111/FOG.12473
Hayden T. Schilling2
Estimated H-index: 2
(UNSW: University of New South Wales),
Jason D. Everett15
Estimated H-index: 15
(UNSW: University of New South Wales)
+ 5 AuthorsIain M. Suthers36
Estimated H-index: 36
(UNSW: University of New South Wales)
Abstract
  • References (71)
  • Citations (0)
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References71
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#1Colette G. Kerry (UNSW: University of New South Wales)H-Index: 6
#2Moninya Roughan (UNSW: University of New South Wales)H-Index: 23
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#1T Miranda (UNSW: University of New South Wales)
#2James A. Smith (UNSW: University of New South Wales)H-Index: 15
Last. Adriana Vergés (UNSW: University of New South Wales)H-Index: 22
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#1Peter R. Oke (Hobart Corporation)H-Index: 31
#2Moninya Roughan (UNSW: University of New South Wales)H-Index: 23
Last. Eduardo Vitarelli (UNSW: University of New South Wales)
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Abstract The traditional view of the East Australian Current (EAC), as depicted in many schematics, is of a continuous boundary current that flows along the shelf off eastern Australia, between approximately 18°S and about 32.5°S, where it separates from the coast and continues either towards New Zealand, along the Tasman Front; or towards Tasmania, as the EAC Extension. Additionally, it is widely recognised that eddies are prevalent in the EAC region – particularly south of the EAC separation. ...
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#1Celia Schunter (HKU: University of Hong Kong)H-Index: 1
#2Marta Pascual (University of Barcelona)H-Index: 39
Last. Enrique Macpherson (CSIC: Spanish National Research Council)H-Index: 40
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Dispersal is one of the main determining factors of population structure. In the marine habitat, well-connected populations with large numbers of reproducing individuals are common but even so population structure can exist on a small-scale. Variation in dispersal patterns between populations or over time is often associated to geographic distance or changing oceanographic barriers. Consequently, detecting structure and variation in dispersal on a fine-scale within marine populations still remai...
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#1J Scutt Phillips (UNSW: University of New South Wales)H-Index: 1
#2L EscalleH-Index: 1
Last. E. van Sebille (UU: Utrecht University)H-Index: 3
view all 5 authors...
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#1Hayden T. Schilling (UNSW: University of New South Wales)H-Index: 2
#2James A. Smith (UNSW: University of New South Wales)H-Index: 15
Last. Iain M. Suthers (UNSW: University of New South Wales)H-Index: 36
view all 6 authors...
Pomatomus saltatrix is an important recreational fishing species with seven major populations worldwide. The reproductive biology of the southwest Pacific Ocean (east Australian) population is uncertain, with both an extended spawning and multiple spawning periods previously hypothesised. Here we demonstrate an altered sex ratio biased towards females and a larger length at 50% maturity (L) compared to those recorded for the population 40 years ago, before comprehensive management strategies wer...
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#1Vassilios D. Vervatis (UoA: National and Kapodistrian University of Athens)H-Index: 3
#2Pierre De Mey-Frémaux (CNRS: Centre national de la recherche scientifique)H-Index: 1
Last. Malek Ghantous (CNRS: Centre national de la recherche scientifique)
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Abstract. We generate ocean biogeochemical model ensembles including several kinds of stochastic parameterizations. The NEMO stochastic modules are complemented by integrating a subroutine to calculate variable anisotropic spatial scales, which are of particular importance in high-resolution coastal configurations. The domain covers the Bay of Biscay at 1/36° resolution, as a case study for open-ocean and coastal shelf dynamics. At first, we identify uncertainties from assumptions subject to err...
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#1Jonathan Dushoff (McMaster University)H-Index: 48
#2Morgan P. Kain (McMaster University)H-Index: 3
Last. Benjamin M. Bolker (McMaster University)H-Index: 46
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#1Paulina Cetina-Heredia (UNSW: University of New South Wales)H-Index: 5
#2Moninya Roughan (UNSW: University of New South Wales)H-Index: 23
Last. Andrew G. Jeffs (University of Auckland)H-Index: 35
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The influence of physical oceanographic processes on the dispersal of larvae is critical for understanding the ecology of species and for anticipating settlement into fisheries to aid long-term sustainable harvest. This study examines the mechanisms by which ocean currents shape larval dispersal and supply to the continental shelf-break, and the extent to which circulation determines settlement patterns using Sagmariasus verreauxi (Eastern Rock Lobster, ERL) as a model species. Despite the large...
3 CitationsSource
#1Carlos Rocha (UNSW: University of New South Wales)H-Index: 4
#2Christopher A. Edwards (UCSC: University of California, Santa Cruz)H-Index: 31
Last. Colette G. Kerry (UNSW: University of New South Wales)H-Index: 6
view all 5 authors...
Abstract. Understanding phytoplankton dynamics is critical across a range of topics, spanning from fishery management to climate change mitigation. It is particularly interesting in the East Australian Current (EAC) system, as the region's eddy field strongly conditions nutrient availability and therefore phytoplankton growth. Numerical models provide unparalleled insight into these biogeochemical dynamics. Yet, to date, modelling efforts off southeastern Australia have either targeted case stud...
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