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Published online by Cambridge University Press: 11 June 2012
The application of fertilizers to an enclosed sea-loch (Loch Craiglin) led to a marked increase in the density of the bottom fauna (Raymont, 1947, 1949). The rise in the bottom fauna was slow, and this was to be expected, since first a considerably increased density of plankton had to be built up, and only then would the relatively slowly reproducing bottom fauna have a chance to increase in numbers. It seemed clear also from the later work in Loch Craiglin that the beneficial effects of fertilization on the bottom fauna lasted for a considerable time after application of fertilizers had ceased.