Plankton indicators and ocean observing systems: support to the marine ecosystem state assessment

Racault, Marie-Fanny ORCID: https://orcid.org/0000-0002-7584-2515, Platt, Trevor, Sathyendranath, Shubha, Agirbas, Ertugrul, Vicente, Victor Martinez and Brewin, Robert (2014) Plankton indicators and ocean observing systems: support to the marine ecosystem state assessment. Journal of Plankton Research, 36 (3). 621–629. ISSN 0142-7873

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Abstract

Ecological indicators are used extensively as tools to manage environmental resources. In the oceans, indicators of plankton can be measured using a variety of observing systems including: mooring stations, ships, autonomous floats and ocean colour remote sensing. Given the broad range of temporal and spatial sampling resolutions of these different observing systems, as well as discrepancies in measurements obtained from different sensors, the estimation and interpretation of plankton indicators can present significant challenges. To provide support to the assessment of the state of the marine ecosystem, we propose a suite of plankton indicators and subsequently classify them in an ecological framework that characterizes key attributes of the ecosystem. We present two case studies dealing with plankton indicators of biomass, size structure and phenology, estimated using the most spatially extensive and longest in situ and remote-sensing observations. Discussion of these studies illustrates how some of the challenges in estimating and interpreting plankton indicators may be addressed by using for example relative measurement thresholds, interpolation procedures and delineation of biogeochemical provinces. We demonstrate that one of the benefits attained, when analyzing a suite of plankton indicators classified in an ecological framework, is the elucidation of non-trivial changes in composition, structure and functioning of the marine ecosystem.

Item Type:	Article
Uncontrolled Keywords:	sdg 14 - life below water ,/dk/atira/pure/sustainabledevelopmentgoals/life_below_water
Faculty \ School:	Faculty of Science > School of Environmental Sciences University of East Anglia Research Groups/Centres > Theme - ClimateUEA
Depositing User:	LivePure Connector
Date Deposited:	11 Feb 2022 15:30
Last Modified:	20 Mar 2023 11:34
URI:	https://ueaeprints.uea.ac.uk/id/eprint/83433
DOI:	10.1093/plankt/fbu016

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