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Table 3 Results of statistical comparisons among groups for the response of overall mycorrhizal colonization to fire.

From: Fire Reduces Fungal Species Richness and In Situ Mycorrhizal Colonization: A Meta-Analysis

Comparison Group Mean effect size (%) 95 % CI Recordsa Number of studies P-value
Fire type Prescribed fire −0.50 −23.3 to 28.1 12 9 0.341
Wildfire −9.43 −23.8 to 5.1 39 15
Repeat fire Repeated −10.5 −44.9 to 20.8 5 2 0.935
Single −7.10 −20.2 to 8.6 46 22
Biome* Temperate forest −3.93 −17.6 to 10.9 32 14 0.358
Boreal forest −5.39 −50.1 to 39.1 6 1
Temperate grassland −14.7 −37.6 to 15.5 11 7
  1. a Number of data records for each group.
  2. *Two studies were omitted because there were not enough records for tropical forest (Raman and Nagarajan 1996) and tropical grassland (Senthilkumar et al. 1995) for a statistical comparison.