Journal
REMOTE SENSING OF ENVIRONMENT
Volume 112, Issue 8, Pages 3426-3436Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.rse.2007.10.016
Keywords
ecological indicators; ecosystem-based management; remote sensing; ocean colour; fisheries; ocean ecosystems
Funding
- NERC [earth010003, pml010005] Funding Source: UKRI
- Natural Environment Research Council [earth010003, pml010005] Funding Source: researchfish
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It is generally accepted that responsible stewardship of the ocean implies ecosystem-based management. A requirement then arises for ecosystem indicators that can be applied in serial fashion with a view to detection of ecosystem change in response to environmental perturbations such as climate change or overfishing. The status of ecological indicators for the pelagic ecosystem is reviewed. The desirable properties of such indicators are listed and it is pointed out that remote sensing (ocean colour, supplemented by sea-surface temperature) is an important aid to achieving them. Some ecological indicators that can be developed from remotely-sensed data on ocean colour are tabulated. They deal with the seasonal cycle of phytoplankton biomass, production and loss terms, annual production, new production, ratio of production to respiration, spatial variances in phytoplankton biomass and production, spatial distribution of phytoplankton functional types, delineation of ecological Provinces and phytoplankton size structure. Crown Copyright (C) 2008 Published by Elsevier Inc. All rights reserved.
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