Environmental Change Network core measurements at Alice Holt Forest - vegetation

Recording a Course Grain Vegetation Monitoring PlotMap showing vegetation cover Alice Holt (114K)

Baseline survey data (once only)

300 systematical chosen plots (2m x 2m) covering the whole site. Species presence recorded then related to National Vegetation Classification (NVC).

Coarse-grain (every nine years)

Graph showing environmenal change network coarse-grain vegetation measurements 1994 to 2011

50 randomly chosen plots from the original baseline survey:

  • Altitude
  • Aspect
  • Slope form
  • Land use
  • Biotic effects
  • Species presence
  • Seedling counts
  • Tree growth (height and diameter)
  • Stand structure
  • Linear features.

Fine grain (every three years)

Graph showing environmenal change network fine-grain vegetation measurements 1994 to 2011

50 plots located randomly within the NVC identified by the base line survey:

  • Species presence
  • Physical features
  • Biotic features.