Niche and interspecific associations of dominant tree species in <i>Castanopsis eyrei</i> and <i>Castanopsis carlesii</i> communities in Meihua Mountain, Fujian.

When χ 2< 3.841, the interspecific association is not significant ( p > 0.05); when 3.841 ≤ χ 2 ≤ 6.635, the association is significant (0.01< p ≤ 0.05); and when χ 2 > 6.635, the association is highly significant ( p < 0.01).

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