期刊
HYDROBIOLOGIA
卷 519, 期 1-3, 页码 211-214出版社
SPRINGER
DOI: 10.1023/B:HYDR.0000026599.57603.bf
关键词
Diadema antillarum; sea urchins; barrens; key-herbivores; overgrazing; Canary Islands
We sampled 36 coastal rocky reefs throughout the overall Canarian Archipelago and consider ( 1) the daily macroalgal consumption of the long-spined sea urchin Diadema antillarum and ( 2) the daily net production of macroalgae along temperate rocky-substrates, to provide evidence that Diadema antillarum plays an important role in the structure of the shallow benthic environment of the eastern Atlantic. D. antillarum was found to be the main key-herbivore species, as it controls by its own the algal assemblages, with negligible contribution of other grazing species.
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