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pro vyhledávání: '"E. J. Prager"'
Autor:
J. F. Valentine, William C. Sharp, Paula E. Whitfield, William G. Lyons, W. J. Kenworthy, John H. Hunt, E. J. Prager, Margaret O. Hall, C. D. Rose, James W. Fourqurean
Publikováno v:
Marine Ecology Progress Series. 190:211-222
Unusually dense aggregations of the sea urchin Lytechinus variegatus overgrazed at least 0.81 km 2 of seagrass habitat in Outer Florida Bay (USA) between August 1997 and May 1998. Initially, sea-urchin densities were as high as 364 sea urchins m -2 ,