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Table 3 Multiple regression analysis of invasion index to anthropogenic and climate factors in regional and provincial scales

From: Patterns of plant invasions in China: Taxonomic, biogeographic, climatic approaches and anthropogenic effects

Predictor variable Regional Provincial
Beta P Beta P
Anthropogenic factorsa
 Transportation distance 1.171* 0.023
 Log area −0.059 0.736
 Tourist −0.279 0.337
Climate factorsb,c
 Average temperature −0.918 0.102 −0.386 0.256
 Highest temperature 0.453* 0.052 0.200 0.176
 Precipitation 0.855 0.103 0.246 0.385
 Temperature difference −0.838* 0.040 −0.902* 0.000
  1. Beta represents the adjusted correlation coefficients. (* P < 0.05)
  2. aAnthropogenic factors in regional scale: F(3,2) = 27.439, P = 0.035, Adjusted R2 = 0.94)
  3. bClimate factors in regional scale: (F(4,1) = 281.202, P = 0.045, Adjusted R2 = 0.996)
  4. cClimate factors in provincial scale: (F(4,25) = 12.59, P = 0.000, Adjusted R2 = 0.651)