Estimating Aboveground Net Primary Production in Grassland- and Herbaceous-Dominated Ecosystems

Alan K. Knapp, John M. Briggs, Daniel L. Childers, Osvaldo E. Sala

Research output: Chapter in Book/Report/Conference proceedingChapter

25 Scopus citations


Although grass- and herb-dominated ecosystems may be easier to sample for aboveground primary production than most others, a variety of challenges for standardizing approaches in different settings and circumstances must be overcome. This chapter describes the most common harvest approaches for grassland production measurement and a suite of site-specific criteria that affect the choice of approach (e.g., grazing, decomposition, phenology). Errors leading to either underestimation or overestimation are examined, and a case study describing approaches for evaluating sample adequacy is provided.

Original languageEnglish (US)
Title of host publicationPrinciples and Standards for Measuring Primary Production
PublisherOxford University Press
ISBN (Electronic)9780199790128
ISBN (Print)9780195168662
StatePublished - Aug 1 2007
Externally publishedYes


  • Errors
  • Grazing
  • Harvest
  • Phenology
  • Sample adequacy

ASJC Scopus subject areas

  • General Agricultural and Biological Sciences


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