12 - ENVIRONMENTAL FACTORS ON DISTRIBUTION

• AIM?

  investigate effect of named environmental factors on distribution of a given species
• IV?

  abiotic factor
• DV?

  abundance of named species
• CVs?

  • time of day
  • time of year
  • quadrat size
• HOW TO CARRY OUT?

  • place quadrats at regular intervals
  • along transect (measuring tape) across a changing environment
  • measure factor and abundance
  • Spearman's rank of correlation
  • correlation does not equal causation