Short-term fate of intertidal microphytobenthos carbon under enhanced nutrient availability: a 13 C pulse-chase experiment

• Published in: Biogeosciences Vol. 15; no. 9; pp. 2873 - 2889
• Main Authors: Riekenberg, Philip M., Oakes, Joanne M., Eyre, Bradley D.
• Format: Journal Article
• Language: English
• Published: Katlenburg-Lindau Copernicus GmbH 16.05.2018
• Subjects: Algae; Availability; Bacteria; Bicarbonates; Biogeochemistry; Biomass; Carbon; Carbon 13; Coastal waters; Dissolved organic carbon; Enzymes; Estuaries; Estuarine environments; Extracellular; Extracellular enzymes; Isotopic enrichment; Mineral nutrients; Nutrient availability; Nutrient concentrations; Nutrient enrichment; Nutrient loss; Nutrient retention; Nutrients; Organic matter; Phytobenthos; Respiration; Sediment; Sediments; Sodium; Sodium bicarbonate; Stable isotopes; Storage; Turnover time; Uptake; Water column; Water depth

Shallow coastal waters in many regions are subject to nutrient enrichment. Microphytobenthos (MPB) can account for much of the carbon (C) fixation in these environments, depending on the depth of the water column, but the effect of enhanced nutrient availability on the processing and fate of MPB-der...