1. Planet of Birds, website visited 23 Jun 2016:http://www.planetofbirds.com/
  2. BirddLife International, website visited 28 Jun 2016:http://datazone.birdlife.org/
  3. Wilman et al., 2014
Table 2 Multiple regression analysis of waterbirds functional diversity (dependent variable) as a function of environmental variables. Only significant variables were reported (P <0.05).