Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7483044 | Journal of Environmental Management | 2015 | 10 Pages |
Abstract
In the first experiment, no significant changes were observed in the water column. In sediment the main variation was a significant reduction in labile organic matter in the disturbed areas and a significant increase mainly in refractory organic matter in the undisturbed areas. Biomass showed a significant drastic reduction in disturbed areas and substantial stability in undisturbed areas. In the large-scale experiment, the biomass of the disturbed mat declined by about 63%, only 6.5% of which was due to harvesting. On the other hand, the undisturbed mat with higher density underwent a natural decline in biomass of about 23% and the other increased by about 50%. These results demonstrate that disturbance of high-density mat in shallow water by boats can cause decay of the mat.
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Authors
Mauro Lenzi, Giulia Salvaterra, Paola Gennaro, Isabel Mercatali, Emma Persia, Salvatore Porrello, Carlo Sorce,