Biogenic phosphorus in oligotrophic mountain lake sediments: Differences in composition measured with NMR spectroscopy
作者： Joakim Ahlgren , Kasper Reitzel , Rolf Danielsson , Adolf Gogoll , Emil Rydin
DOI: 10.1016/J.WATRES.2006.09.006
关键词:
摘要: Phosphorus (P) composition in alkaline sediment extracts from three Swedish oligotrophic mountain lakes was investigated using 31P-NMR spectroscopy. Surface sediments one natural lake and two mature reservoirs, of which has received nutrient additions over the last 3 years, were compared with respect to biogenic P composition. The results show significant differences occurrence labile species different systems. compound groups that varied most between these systems pyrophosphate polyphosphates, known play an important role recycling. content lowest reservoirs may indicate a coupling anthropogenic disturbances (i.e., impoundment) water system availability sediment. A statistical study also conducted determine accuracy reliability spectroscopy for quantification forms.
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