Increased soil stable nitrogen isotopic ratio following phosphorus enrichment: historical patterns and tests of two hypotheses in a phosphorus-limited wetland

We used a P enrichment gradient in the Everglades to investigate patterns of the stable N isotopic ratio (δ¹⁵N) in peat profiles as an indicator of historic eutrophication of this wetland. We also tested two hypotheses to explain the effects of P on increased δ¹⁵N of organic matter including: (1) in...

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Veröffentlicht in:	Oecologia 2007-08, Vol.153 (1), p.99-109
Hauptverfasser:	Inglett, P. W, Reddy, K. R, Newman, S, Lorenzen, B
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal, plant and microbial ecology Aquatic ecosystems Aquatic plants biogeochemistry Biological and medical sciences Cladium Cladium jamaicense Discharge Discrimination Ecosystem Ecosystem Ecology Enrichment Eutrophication Everglades Fertilizers Florida Freshwater plants Fundamental and applied biological sciences. Psychology General aspects Hydroponics Hypotheses Isotope ratios Macrophytes Mesocosms Mineralization Nitrogen Nitrogen - chemistry Nitrogen Isotopes Organic matter Organic soils Peat Peat profile Peat soils Phosphorus Phosphorus - chemistry Plant tissues Soil Soil - analysis Soil biochemistry Soil composition Soil ecology Soil organic matter Soil surfaces Soils Synecology Time Factors Typha Typha domingensis Uptake Water Wetland eutrophication Wetland soils Wetlands
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