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Articles by Vincent Raoult
Stable isotope analysis reveals resource use by rays in an Australian temperate estuary
Supporting Information Filename Description jfb70288-sup-0001-Figures.docxWord 2007 document , 43.4 KB Figure S1. Point-in-polygon probability for the estuary stingray and prey sources. Figure S2. Point-in-polygon probability for the common stingaree and prey sources. Figure S3. Point-in-polygon probability for the estuary stingray and primary sources. Figure S4. Point-in-polygon probability for the common stingaree and primary sources. Figure S5.
Shearing Tooth Morphology May Allow Sharks to Access Higher Trophic Levels at Smaller Sizes
1 Introduction The feeding ecology of marine predator populations, and therefore their trophic niche, is defined by a combination of biotic and abiotic factors. Biotic factors refer to all living organisms in an ecosystem, which together constitute the food web. Abiotic factors, such as temperature and salinity, determine in part the presence, distribution, and abundance of prey and their consumers within an ecosystem (Castillo et al. 1996; Harrison and Whitfield 2006; Bailleul et al.
Novas imagens de drone revelam 97% dos corais mortos em um recife da Grande Barreira de Corais australiana
No verão passado, a Grande Barreira de Corais sofreu seu pior evento de branqueamento em massa de corais. Nossos novos dados mostram os danos devastadores que o branqueamento causou a um recife na Ilha Lizard —uma descoberta que não é um bom presságio para o restante dessa maravilha natural. Um colega coletou imagens de drone do recife de North Point, da Ilha Lizard, em março deste ano, e nós replicamos sua coleta de imagens este mês.
New drone imagery reveals 97% of coral dead at a Lizard Island reef after last summer's mass bleaching
Last summer, the Great Barrier Reef suffered its mass coral bleaching event. Our new data show the devastating damage the bleaching caused to a reef at Lizard Island—a finding that does not bode well for the rest of the natural wonder. A colleague collected drone imagery from Lizard Island's North Point Reef in March this year, and we replicated his image collection this month. The results show more than 97% of bleached corals on North Point Reef are now dead.
New drone imagery reveals 97% of coral dead at a Lizard Island reef after last summer’s mass bleaching
Last summer, the Great Barrier Reef suffered its mass coral bleaching event. Our new data show the devastating damage the bleaching caused to a reef at Lizard Island – a finding that does not bode well for the rest of the natural wonder. A colleague collected drone imagery from Lizard Island’s North Point Reef in March this year, and we replicated his image collection this month. The results show more than 97% of bleached corals on North Point Reef are now dead.
Can denticle morphology help identify southeastern Australian elasmobranchs?
1 INTRODUCTION Assessing the historical and/or current abundance and diversity of elasmobranchs is a global prerequisite for understanding anthropogenic impacts and monitoring the effects of management actions (Dulvy et al., 2014).
Restoring blue carbon ecosystems unlocks fisheries' potential
The method provided here allows practitioners to develop cost–benefit scenarios for restoration benefits in estuaries with commercial fisheries. Using this approach can also underline how much value has been lost historically and bring attention to the importance of blue carbon ecosystems for economies.
Patterns of mother-embryo isotope fractionation in batoids vary within and between species
1 INTRODUCTION The use of stable isotope analyses to answer questions relating to diet preference (Plass-Johnson et al., 2013), carbon provisioning (Phillips et al., 2014), trophic relationships (Raoult et al., 2015; Chan et al., 2022) and anthropogenic impacts (Vizzini and Mazzola, 2006) or to examine movement patterns (Shimada et al., 2014; Raoult et al., 2020) of elasmobranchs is increasing (Fisk et al., 2002; Speed et al., 2012; Shipley et al., 2017a; Bird et al., 2018).
Widespread exposure of marine parks, whales, and whale sharks to shipping
Abstract Context: Shipping impacts are a major environmental concern that can affect the behaviour and health of marine mammals and fishes. The potential impacts of shipping within marine parks is rarely considered during the planning process. Aims: We assessed the areal disturbance footprint of shipping around Australia, its overlap with marine parks, and known locations of megafauna, so as to identify areas of concern that warrant further investigation.
Assigning shark fin origin using species distribution models needs a reality check
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Going Batty: The Challenges and Opportunities of Using Drones to Monitor the Behaviour and Habitat Use of Rays
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Putting sea cucumbers on the map: projected holothurian bioturbation rates on a coral reef scale
Abstract Bioturbation of reef sediments aerates the upper sediment layers and releases organic material to benthic communities. Despite being the larger and more conspicuous bioturbators on coral reefs, the value of holothurians (sea cucumbers) to reef ecosystems is less often attributed to their ecosystem services than their value for fisheries. This may be because they are considered to have an insignificant effect on reef health relative to other animals.
Operational Protocols for the Use of Drones in Marine Animal Research
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Short‐ and long‐term diets of the threatened longhorned pygmy devil ray, Mobula eregoodoo determined using stable isotopes
REGULAR PAPER Katherine B. Burgess Corresponding Author E-mail address: burgess.katherine.b@gmail.com https://orcid.org/0000-0002-5793-9823 School of Biomedical Sciences, University of Queensland, St Lucia, Qld, Australia Correspondence Katherine B. Burgess, School of Biomedical Sciences, The University of Queensland, St Lucia, Qld 4072, Australia. Email: burgess.katherine.b@gmail.com Search for more papers by this author Matt K.
How Many Papers Should Scientists Be Reviewing? An Analysis Using Verified Peer Review Reports
Open AccessArticle by Vincent Raoult School of Environment and Life Sciences, University of Newcastle, Ourimbah, NSW 2258, Australia Received: 4 December 2019 / Revised: 6 January 2020 / Accepted: 14 January 2020 / Published: 20 January 2020 View Full-Text Download PDF Review Reports Citation Export BibTeX EndNote RIS Cite This Paper The current peer review system is under stress from ever increasing numbers of publications, the proliferation of open-access journals and an apparent difficulty...
Resource use of great hammerhead sharks (Sphyrna mokarran) off eastern Australia
REGULAR PAPER Funding information: NSW Department of Primary Industries, Grant/Award Number: N/A; Sea World Research and Rescue Foundation, Grant/Award Number: SWR/1/2018 Abstract Great hammerhead sharks Sphyrna mokarran are the largest member of Sphyrnidae, yet the roles of these large sharks in the food webs of coastal ecosystems are still poorly understood. Here we obtained samples of muscle, liver and vertebrae from large S.
FactFile: the facts on shark bites and shark numbers
Are there more sharks in Australian waters than there used to be, and are interactions between humans and shark increasing? Some Australian politicians have claimed that to be the case. Let’s look at the research. The most reputable source for shark incident data in Australia is the Australian Shark Attack file, which is collated at Sydney’s Taronga Zoo.
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