Abstract
A new technology is necessary for effective monitoring of deep-sea hydrothermal ecosystems towards the environmental impact assessment of marine mining projects. For this purpose, we develop a new deep-sea observation technique using bio-fluorescent characteristics. Ultraviolet (UV)-LED illumination and violet laser illumination are used for fluorescent video recording of a variety of deep-sea organisms. This study reports the bio-fluorescent patterns and colours observed for a variety of deep-sea organisms and their usefulness for monitoring.
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Acknowledgements
This work was supported by JSPS KAKENHI Grant Number 12929746. The authors wish to thank the Enoshima Aquarium for the fluorescent observation tests. The authors are also grateful to Prof. B. Thornton at University of Tokyo and the ‘Hyper-Dolphin’ team at JAMSTEC for the deep-sea fluorescence observations.
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Sasano, M., Nakajima, Y., Yamamoto, J., Furushima, Y. (2015). Use of Bio-fluorescent Characteristics for Ecosystem Monitoring on Hydrothermal Deposits. In: Ceccaldi, HJ., Hénocque, Y., Koike, Y., Komatsu, T., Stora, G., Tusseau-Vuillemin, MH. (eds) Marine Productivity: Perturbations and Resilience of Socio-ecosystems. Springer, Cham. https://doi.org/10.1007/978-3-319-13878-7_22
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DOI: https://doi.org/10.1007/978-3-319-13878-7_22
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