A5091778582- Marine Bivalve and Aquaculture Studies
- Ocean Acidification Effects and Responses
- Physiological and biochemical adaptations
- Aquaculture Nutrition and Growth
- Marine and fisheries research
- Aquatic Invertebrate Ecology and Behavior
- Marine Biology and Ecology Research
- Isotope Analysis in Ecology
- Vibrio bacteria research studies
- Marine Biology and Environmental Chemistry
- Meat and Animal Product Quality
- Heavy metals in environment
- Marine and coastal plant biology
- Atmospheric and Environmental Gas Dynamics
- Aquaculture disease management and microbiota
- Coastal and Marine Management
- Geographic Information Systems Studies
- Marine animal studies overview
- Environmental Toxicology and Ecotoxicology
- Arctic and Russian Policy Studies
- Polar Research and Ecology
- Marine Toxins and Detection Methods
- Metabolomics and Mass Spectrometry Studies
- CO2 Sequestration and Geologic Interactions
- Methane Hydrates and Related Phenomena
Cawthron Institute
2019-2025
University of Tasmania
2018-2022
CSIRO Oceans and Atmosphere
2018-2022
Antarctic Climate and Ecosystems Cooperative Research Centre
2018
University of Otago
2010-2012
The University of Sydney
2011
The New Zealand Greenshell™ mussel (Perna canaliculus) is an economically important aquaculture species. Prolonged increases in seawater temperature above thermotolerance ranges pose a significant threat to survival and health, potentially increasing susceptibility bacterial infections. Using challenge experiments, this study examined the combined effects of increased (Photobacterium swingsii) infection on animal survival, haemocyte biochemical responses adult mussels. Mussels maintained at...
New Zealand’s green-lipped mussel ( Perna canaliculus ) is an ecologically and economically important species. Marine heatwaves are increasing in frequency around NZ’s coastline, these events correlated with increased stress mortality of some aquaculture This study aimed to identify general biomarkers heat P. assess whether responses differed between genetically distinct selectively bred mussels. We exposed three families mussels (families A, B C) seawater temperature regimes the laboratory:...
Increasing seawater temperatures coupled with more intense and frequent heatwaves pose an increasing threat to marine species. In this study, the New Zealand green-lipped mussel, Perna canaliculus, was used investigate effect of genetics ontogeny on thermal resilience. The culturally economically significant mussel P. canaliculus (Gmelin, 1971) has been selectively-bred in for two decades, making it a unique biological resource genetic interactions temperate bivalve Six full sibling families...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 450:81-92 (2012) - DOI: https://doi.org/10.3354/meps09577 Spatial and temporal variation in heat tolerance limits of two abundant Southern Ocean invertebrates S. A. Morley1,*, M. Martin2, E. Bates3, Clark1, J. Ericson3, Lamare3, L. Peck1 1British Antarctic Survey, Natural Environment Research Council, High...
Pressure in academia and science is rapidly increasing early career researchers (ECRs) have a lot to gain from being involved research initiatives such as large international projects. But just how inclusive are they? Here we discuss experiences of ECRs directly the Marine Ecosystem Assessment for Southern Ocean (MEASO), an Australian led project assess status trends ecosystems. We review benefits ECR involvement large-scale deliverables, leadership team themselves. Using insights MEASO,...
New Zealand has a large exclusive economic zone (EEZ) of which the area between 30 m and 50 bathymetric offers most prospects for shellfish production. Only 0.3% this would be required to increase Zealand's production by 150 000 t. The Enabling Open Ocean Aquaculture Program, funded Ministry Busi-ness, Innovation Employment, is collaboration aiming develop technologies that will enable extension aquaculture into harsh challenging open ocean conditions, facilitate adaptation escalating...
Marine organisms are constantly exposed to stress, such as changes in seawater temperature, which may elicit biochemical, molecular, and physiological changes. In the present study, an integrative approach evaluate stress green-lipped mussel Perna canaliculus control, moderate, severe heat was used. Flow cytometry (FCM) used measure hemolymph parameters, including hemocyte concentration, viability, reactive oxygen species (ROS) production. Spectrophotometry a handheld electrochemical meter...
The fatty acid content and composition of the Antarctic krill Euphausia superba Dana, 1850 were investigated using samples collected by a commercial fishing vessel. This dataset allowed comparison between seasons, years (2013–2016), different locations. Quantities omega 3 acids 20:5n-3 22:6n-3 (mg/g dry mass; DM) highest in autumn decreased through winter to reach spring low. flagellate marker 18:4n-3 diatom 16:1n-7c variable did not display same seasonal fluctuations. In summer, had high...
Marine heatwaves (MHW) are projected for the foreseeable future, affecting aquaculture species, such as New Zealand green-lipped mussel (Perna canaliculus). Thermal stress alters physiology highlighting adaptive capacity that allows survival in face of heatwaves. Within this study, adult mussels were subjected to three different seawater temperature regimes: 1) low (sustained 18 °C), 2) medium MHW (18-24 °C, using a +1 °C per week ramp) and 3) high +2 ramp). Sampling was performed over 11...
The thermal reaction norms of 4 closely related intertidal Nacellid limpets, Antarctic (Nacella concinna), New Zealand (Cellana ornata), Australia (C. tramoserica) and Singapore radiata), were compared across environments with different temperature magnitude, variability predictability, to test their relative vulnerability scales climate warming. Lethal limits measured alongside a newly developed metric "duration tenacity", which was tested at temperatures calculate the norm limpet adductor...
Antarctic krill (Euphausia superba) have a keystone role in the Southern Ocean, as primary prey of predators. Decreases abundance could result major ecological regime shift, but there is limited information on how climate change may affect krill. Increasing anthropogenic carbon dioxide (CO2) emissions are causing ocean acidification, absorption atmospheric CO2 seawater alters chemistry. Ocean acidification increases mortality and negatively affects physiological functioning some marine...
Abstract Antarctic krill ( Euphausia superba ) are a key component of the food web with considerable lipid reserves that vital for their health and higher predator survival. Krill lipids primarily derived from diet plankton, in particular diatoms flagellates. Few attempts have been made to link spatial temporal variations those supply. Remotely-sensed environmental parameters provide large-scale information on potential availability food, although relating this physiological biochemical...
Temperature is considered to be a major abiotic factor influencing aquatic life. Marine heatwaves are emerging as threats sustainable shellfish aquaculture, affecting the farming of New Zealand's green-lipped mussel [Perna canaliculus (Gmelin, 1791)]. In this study, P. were gradually exposed high-temperature stress, mimicking five-day marine heatwave event, better understand effects heat stress on metabolome mussels. Following liquid chromatography-tandem mass spectrometry analyses...
The major cultured mussel species Perna canaliculus is now supported by hatchery production, providing the opportunity to explore and optimize environmental parameters enhance production. Other bivalve larvae have demonstrated performance that directly correlated aragonite saturation state (Ωar) of their tank water, with low or undersaturated water being detrimental artificially elevated Ωar enhancing productivity. Trials were, therefore, designed specifically sensitivity in preveliger (0–2...
Abstract Euphausia superba (Antarctic krill) is a keystone species in the Southern Ocean, but little known about how it will respond to climate change. Ocean acidification, caused by sequestration of carbon dioxide into ocean surface waters ( p CO 2 ), alters lipid biochemistry some organisms. This can have cascading effects up food chain. In year-long laboratory experiment adult krill were exposed ambient seawater levels (400 μatm), elevated mimicking near-future acidification (1000, 1500...
The New Zealand abalone industry relies mostly on the export of processed products to distant Asian markets, notably China. Over past five years, live high quality from has proven successful. However, transport animals is associated with multiple stressors that affect survival and meat at end phase. Better understanding transport-derived stress needed improve conditions recovery destination ensure product safety throughout supply chain. To this end, we applied an untargeted GC–MS-based...
The Antarctic krill (Euphausia superbaDana, 1850) is an important trophic link between phytoplankton and higher levels. Knowledge of the lipid biochemistry assists in understanding their seasonal biology predicting responses to ecological changes. We collected daily samples from a commercial fishing vessel operating Atlantic Sector Southern Ocean 2014 2016. analysed total content sampled every two weeks relative distribution class levels examine trends. Krill varied significantly within...