Phosphate availability controls Trichodesmium spp. biomass in the SW Pacific Ocean
作者： T Moutin , Broeck Van Den B , B Beker , C Dupouy , P Rimmelin
DOI: 10.3354/MEPS297015
关键词:
摘要: Throughout tropical and subtropical seas, Trichodesmium spp. contribute significantly to marine fixation of atmospheric di-nitrogen influence the global carbon cycle. We suggest that dissolved inorganic phosphate (DIP) availability has a predominant role in controlling Trichodes- mium biomass. From experimental work carried out on cruises SW Pacific Ocean, by re-analysing previous data, we have defined critical level DIP needed for single filaments Tri- chodesmium grow. Thus, seasonal variations could control growth decay. As this is below detection limit classical measurements obtained during oceanic cruises, re-evaluation oligotrophic ocean order determine what ultimately controls sea.
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