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Abstract

In this paper we review on the technologies available to make globally quantitative observations of particles, in general, and plankton, in particular, in the world oceans, and for sizes varying from sub-micron to centimeters. Some of these technologies have been available for years while others have only recently emerged. Use of these technologies is critical to improve understanding of the processes that control abundances, distributions and composition of plankton, provide data necessary to constrain and improve ecosystem and biogeochemical models, and forecast changes in marine ecosystems in light of climate change. In this paper we begin by providing the motivation for plankton observations, quantification and diversity qualification on a global scale. We then expand on the state-of-the-art, detailing a variety of relevant and (mostly) mature technologies and measurements, including bulk measurements of plankton, pigment composition, uses of genomic, optical, acoustical methods and analysis using particles counters, flow cytometers and quantitative imaging devices. We follow by highlighting the requirements necessary for a plankton observing system, the approach to achieve it and associated challenges. We conclude with ranked action-item recommendations for the next ten years to move towards our vision of a holistic ocean-wide plankton observing system. Particularly, we suggest to begin with a demonstration project on a GO-SHIP line and/or a long-term observation site and expand from there ensuring that issues associated with methods, observation tools, data analysis, quality assessment and curation are addressed early in the implementation. Global coordination is key for the success of this vision and will bring new insights on processes associated with nutrient regeneration, ocean production, fisheries, and carbon sequestration.

Item Type:	Article
Authors/Creators:	Lombard, F and Boss, E and Waite, AM and Uitz, J and Stemmann, L and Sosik, HM and Schulz, J and Romagnan, J-B and Picheral, M and Pearlman, J and Ohman, MD and Niehoff, B and Moller, KO and Miloslavich, P and Lara-Lopez, A and Kudela, R and Lopes, RM and Karp-Boss, L and Kiko, R and Jaffe, JS and Iversen, MH and Irisson, JO and Hauss, H and Guidi, L and Gorsky, G and Giering, SLC and Gaube, P and Gallager, S and Dubelaar, G and Cowen, RK and Carlotti, F and Briseno-Avena, C and Berline, L and Benoit-Bird, KJ and Bax, N and Batten, SD and Ayata, SD and Appeltans, W
Keywords:	plankton, imaging, OceanObs, autonomous platforms, global observing, EOVs, ECVs
Journal or Publication Title:	Frontiers in Marine Science
Publisher:	Frontiers Research Foundation
ISSN:	2296-7745
DOI / ID Number:	https://doi.org/10.3389/fmars.2019.00196
Copyright Information:	Copyright 2019 Lombard, Boss, Waite, Vogt, Uitz, Stemmann, Sosik, Schulz,Romagnan, Picheral, Pearlman, Ohman, Niehoff, Möller, Miloslavich, Lara-Lpez,Kudela, Lopes, Kiko, Karp-Boss, Jaffe, Iversen, Irisson, Fennel, Hauss, Guidi, Gorsky, Giering, Gaube, Gallager, Dubelaar, Cowen, Carlotti, Briseño-Avena, Berline, Benoit-Bird, Bax, Batten, Ayata, Artigas and Appeltans. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/
Related URLs:	UTAS Profile: Bax, N
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