辽东山区主要阔叶树种叶片养分含量和再吸收对落叶时间的影响

申奥,朱教君,闫涛,卢德亮,杨凯

Effects of leaf nutrient concentration and resorption on leaf falling time of dominant broadleaved species in a montane region of eastern Liaoning Province, China

SHEN Ao,ZHU Jiao-Jun,YAN Tao,LU De-Liang,YANG Kai

表4 不同树种成熟叶(8月中旬)与凋落叶微量养分元素含量(μg·g^-1) (平均值±标准误差)

Table 4 Microelement concentrations of mature (middle August) and senescent leaves of different tree species(μg·g^-1) (mean ± SE)

树种 Tree species	年 Year	Fe		Mn		Cu		Zn
树种 Tree species	年 Year	成熟叶 Mature leaves	凋落叶 Senescent leaves	成熟叶 Mature leaves	凋落叶 Senescent leaves	成熟叶 Mature leaves	凋落叶 Senescent leaves	成熟叶 Mature leaves	凋落叶 Senescent leaves
蒙古栎 Querus mongolica	2016	128.60 ± 27.98^a	319.23 ± 16.72^a	247.51 ± 9.76^a	426.81 ± 36.44^a	6.64 ± 0.36^a	5.95 ± 0.11^a	46.20 ± 5.73^a	27.41 ± 2.93^a
蒙古栎 Querus mongolica	2017	189.16 ± 14.65^A	240.12 ± 12.84^A	382.69 ± 33.60^A	409.22 ± 29.70^A	7.25 ± 0.22^A	5.27 ± 0.18^A	63.09 ± 4.47^A	58.76 ± 7.88^A
色木槭 Acer mono	2016	105.75 ± 28.32^a	195.57 ± 8.93^b	164.50 ± 32.73^b	205.60 ± 35.10^b	7.18 ± 0.32^a	4.90 ± 0.43^a	71.21 ± 21.53^a	33.81 ± 6.08^a
色木槭 Acer mono	2017	208.29 ± 12.93^A	237.51 ± 12.49^A	205.24 ± 19.54^B	230.44 ± 23.07^B	5.88 ± 0.18^B	3.88 ± 0.19^B	63.15 ± 6.53^A	60.87 ± 7.15^A
胡桃楸 Juglans mandshurica	2016	75.33 ± 11.49^a	228.88 ± 32.49^b	135.91 ± 5.26^b	165.59 ± 14.71^b	9.01 ± 0.49^b	7.70 ± 0.30^b	29.91 ± 5.75^a	52.74 ± 2.84^b
胡桃楸 Juglans mandshurica	2017	204.29 ± 28.80^A	166.45 ± 6.46^B	170.05 ± 12.11^B	217.08 ± 15.67^B	9.51 ± 0.55^C	8.21 ± 0.30^C	44.67 ± 5.18^A	49.65 ± 4.29^A