The secret life of one of northern Australias most popular sportfish, the spectacular queenfish, is being studied by CSIRO scientists for clues to its role and abundance in the marine ecosystem.
The year-long study, co-funded by the National Oceans Office, is collecting more than 30 specimens a month from the Gulf of Carpentaria near Weipa where queenfish are caught by recreational anglers and inshore net fisheries. Results of the study will improve the ability of fisheries managers to sustain queenfish populations into the future.
CSIRO marine biologist Dr Shane Griffiths says queenfish are a major predator of commercially important prawns in the Northern Prawn Fishery, particularly in the Weipa region. Despite their prominence in estuarine and nearshore food webs little is known about the life cycle of queenfish. "By examining the gonads of queenfish specimens we hope to determine when they spawn, their age at sexual maturity, and the number of eggs produced by mature females," Dr Griffiths says.
Simon Moore | CSIRO Media
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In a recent publication in the renowned journal Optica, scientists of Leibniz-Institute of Photonic Technology (Leibniz IPHT) in Jena showed that they can accurately control the optical properties of liquid-core fiber lasers and therefore their spectral band width by temperature and pressure tuning.
Already last year, the researchers provided experimental proof of a new dynamic of hybrid solitons– temporally and spectrally stationary light waves resulting...
Scientists from the University of Freiburg and the University of Basel identified a master regulator for bone regeneration. Prasad Shastri, Professor of...
Moving into its fourth decade, AchemAsia is setting out for new horizons: The International Expo and Innovation Forum for Sustainable Chemical Production will take place from 21-23 May 2019 in Shanghai, China. With an updated event profile, the eleventh edition focusses on topics that are especially relevant for the Chinese process industry, putting a strong emphasis on sustainability and innovation.
Founded in 1989 as a spin-off of ACHEMA to cater to the needs of China’s then developing industry, AchemAsia has since grown into a platform where the latest...
The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.
Modern production technologies in the automobile industry must become more flexible in order to fulfil individual customer requirements.
An international team of scientists has discovered a new way to transfer image information through multimodal fibers with almost no distortion - even if the fiber is bent. The results of the study, to which scientist from the Leibniz-Institute of Photonic Technology Jena (Leibniz IPHT) contributed, were published on 6thJune in the highly-cited journal Physical Review Letters.
Endoscopes allow doctors to see into a patient’s body like through a keyhole. Typically, the images are transmitted via a bundle of several hundreds of optical...
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