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. 2014 Jun 16;9(6):e98994. doi: 10.1371/journal.pone.0098994

Figure 1. Conceptual model of the functioning of Posidonia oceanica seagrass ecosystem.

Figure 1

For functional compartments and box numbers, see text. Primary producers are in green; filter-feeders, suspension-feeders, litter, detritus feeders, Dissolved Organic Carbon (DOC) and microbial loops are in orange; predators (including herbivores) are in yellow. The width of the arrows roughly represents the importance of the carbon flow. The proper P. oceanica ecosystem is included within the red rectangle. MPO: Multicellular Photosynthetic Organisms. POM: Particulate Organic Matter. From C.F. Boudouresque, unpublished.