30/05, 2023

PCA analysis

  • Numeric variables
  • Variable is variable
  • the variables are Elevation, CanopyCover, mean_VolMoist_block, aspect, slope

PCA plot

  • Initial habitats not that well captured by 2 axes

Variance per axis

axis Variance
1 46.45
2 27.06
3 12.19
4 9.90
5 4.40

Issues with some variables

Canopy cover

  • Almost a binomial variable 0, 0, 0, 0, 98.7, 98.96 for quantiles 0, 0.05, 0.25, 0.75, 0.95 and 1

Beta diversity

Beta within time and treatment

  • Value of the abundance-gradient component of Bray-Curtis multiple-site dissimilarity

Beta sequencial along time and within treatment

Beta cumulative along time and within treatment

Gamma diversity

Gamma diversity

Use of residuals

GAMs for Shannon