吉林蛟河针阔混交林乔木幼苗组成及其密度格局影响因素
孟令君,姚杰,秦江环,范春雨,张春雨,赵秀海(
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Drivers of composition and density pattern of tree seedlings in a secondary mixed conifer and broad-leaved forest, Jiaohe, Jilin, China
MENG Ling-Jun,YAO Jie,QIN Jiang-Huan,FAN Chun-Yu,ZHANG Chun-Yu,ZHAO Xiu-Hai()
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图5. 不同年龄级乔木幼苗密度最优模型各参数估计值(± 2 ×标准误差)。 显著的参数估计值用实心圆表示, 不显著的用空心圆表示, 参数缩写见
Fig. 5. Estimates of the coefficients (± 2 × SE) of the best models for seedling density at different age classes. Solid symbols indicate parameters significantly different from zero (p < 0.05), and hollow symbols indicate no significant difference from zero (p > 0.05). See
