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Macroinvertebrate nutrient excretion incubation

Subcategory: biogeochemical measurement
Standard reference: adapted from Koch 2005
Papers: 5 | Mentions: 5

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Knowledge graph centered on Macroinvertebrate nutrient excretion incubation with 41 nodes and 144 connections. Top connected: aquatic insects, Ambystoma, Baetis, Trichoptera, Influence of handling stress and fasting on estima.

Description

Organisms are incubated in filtered pond water for one hour to measure nitrogen and phosphorus excretion rates through water chemistry analysis before and after incubation.

Typical Equipment

  • bags
  • water filters
  • filtered syringe
  • glass tubes
  • amber Nalgene bottles
  • ice
  • Thermo Scientific GENESYS 10S UV-VIS Spectrophotometer
  • Turner Designs Trilogy Fluorometer

Output Measurements

  • mass-specific nitrogen excretion rate
  • mass-specific phosphorus excretion rate
  • N:P excretion ratio