Ecosystem models of scottish sea lochs for assessing the impact of nutrient enrichment

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Ross, A.H. and Gurney, W.S.C. and Heath, M.R. (1993) Ecosystem models of scottish sea lochs for assessing the impact of nutrient enrichment. ICES Journal of Marine Science, 50 (4). pp. 359-367. ISSN 1054-3139 (http://dx.doi.org/10.1006/jmsc.1993.1041)

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Abstract

A previously published model is used to assess the effects of potential disturbances on a sea-loch ecosystem. Nutrient enrichment on its own has little or no effect, and the only major consequence of enhanced or depressed light conditions is a phase shift in the spring bloom. For the fjordic systems modelled, the most important type of disturbance is a reduction in grazing, which can result in high levels of phytoplankton biomass for much of the year. In the absence of grazing control, primary production in these systems becomes nutrient-limited, and it is concluded that the most serious threat would be posed by a reduction in grazing rate combined with an increase in nutrient loading.

ORCID iDs

Ross, A.H., Gurney, W.S.C. and Heath, M.R. ORCID logoORCID: https://orcid.org/0000-0001-6602-3107;
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