Species Source 2014 2015 2016 2017 2018
L. chinensis B 2.54^ 0.27ns 0.77ns 0.77ns 1.50ns
N 23.89*** 5.43* 28.82*** 25.83*** 42.19***
M 44.42*** 42.65*** 49.02*** 19.54*** 24.86***
N × M 8.22* 0.06ns 6.26* 3.47^ 3.11^
Five dominant species B 2.01ns 0.19ns 2.14ns 1.20ns 2.69^
N 24.47*** 1.82ns 26.90*** 32.65*** 62.93***
M 15.69** 27.47*** 25.81*** 9.75** 5.29*
N × M 8.55* 0.00ns 2.02ns 1.55ns 1.59ns