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Understanding Dissolved Organic Matter Biogeochemistry Through In Situ Nutrient Manipulations in Stream Ecosystems
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Journal JoVE Environnement
Understanding Dissolved Organic Matter Biogeochemistry Through In Situ Nutrient Manipulations in Stream Ecosystems

Understanding Dissolved Organic Matter Biogeochemistry Through In Situ Nutrient Manipulations in Stream Ecosystems

DOI:
10.3791/54704-v

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09:38 min

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October 29, 2016

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, ,
1Department of Natural Resources and the Environment,University of New Hampshire

Chapitres

  • 00:05Titre
  • 01:02Background Recording and Setup
  • 02:01Addition of Solutes to the Stream
  • 03:25Field Sample Collection
  • 04:32Sample Filtration and Analysis
  • 06:38Results: Nutrient Pulse Method Demonstrates How Concentrations of Dissolved Organic Carbon and Dissolved Organic Nitrogen Respond Across a Dynamic Range of Nutrient Concentrations
  • 08:25Conclusion

Summary

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Traduction automatique

Dissolved organic matter provides an important source of energy and nutrients to stream ecosystems. Here we demonstrate a field-based method to manipulate the ambient pool of dissolved organic matter in situ through easily replicable nutrient pulses.

Tags

Keywords: Dissolved Organic MatterNutrient ManipulationStream BiogeochemistryNutrient CyclingCarbon And Nitrogen ExportConductivityGrab SamplesReagent AdditionSolute Concentration

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