亚热带森林附生地衣压力-体积曲线分析及其适用性

董琳琳, 普晓妍, 张璐璐, 宋亮, 鲁志云, 李苏

Pressure-volume curve analysis of epiphytic lichens and its applicability in subtropical forests

DONG Lin-Lin, PU Xiao-Yan, ZHANG Lu-Lu, SONG Liang, LU Zhi-Yun, LI Su

表2 云南哀牢山亚热带森林附生地衣的水势参数(平均值±标准误)

Table 2 Water potential parameters (mean ± SE) of epiphytic lichens in subtropical forests in the Ailao Mountains, Yunnan

共生藻型 Photobi-ont type 生长型 Growth form 物种 Species 内部含水量 WCinternal (%, Dry mass) 共质体水 Rs (%, Dry mass) 质外体水 Ra (%, Dry mass) 膨压损失点的 相对含水量 RWCTLP(%) 膨压损失点的 渗透势ΨTLP (MPa) 饱和渗透势 Ψsat (MPa) 蓝藻 Cyanob-acteria 328.66 ± 36.84 Ac 322.08 ± 36.79 Ac 6.58 ± 1.19 Aab 40.96 ± 3.97 Abc -3.44 ± 0.33 Aa -1.29 ± 0.13 Aab 叶状 Foliose 网肺衣 Lobaria retigera 214.86 ± 11.54 208.02 ± 11.14 6.85 ± 2.64 55.34 ± 2.95 -2.84 ± 0.35 -1.55 ± 0.24 猫耳衣 Leptogium menziesii 497.80 ± 43.93 492.40 ± 43.56 5.40 ± 1.44 22.68 ± 1.49 -3.86 ± 0.53 -0.85 ± 0.14 黑芽牛皮叶 Sticta fuliginosa 273.31 ± 32.08 265.81 ± 29.86 7.49 ± 2.30 44.86 ± 3.91 -3.63 ± 0.77 -1.46 ± 0.20 绿藻 Green alga 155.28 ± 8.95 B 149.71 ± 8.73 B 5.57 ± 0.45 A 46.93 ± 1.54 A -3.80 ± 0.22 A -1.71 ± 0.11 A 阔叶型 Broadly lobed foliose 137.05 ± 7.67 ab 130.05 ± 7.18 ab 7.00 ± 0.80 a 56.89 ± 2.73 a -3.45 ± 0.30 a -1.89 ± 0.18 c 针芽肺衣 Lobaria isidiophora 133.11 ± 10.40 128.03 ± 9.95 5.08 ± 1.20 65.68 ± 3.14 -3.85 ± 0.37 -2.47 ± 0.24 网大叶梅 Parmotrema reticulatum 119.18 ± 12.49 112.58 ± 11.77 6.60 ± 0.79 45.66 ± 3.44 -3.41 ± 0.78 -1.44 ± 0.32 平滑牛皮叶 Sticta nylanderiana 158.87 ± 12.26 149.55 ± 11.44 9.32 ± 1.57 59.34 ± 2.00 -3.08 ± 0.34 -1.75 ± 0.18 狭叶型 Narrowly lobed foliose 185.42 ± 23.36 ab 179.71 ± 22.70 ab 5.71 ± 0.93 ab 45.75 ± 2.23 bc -3.74 ± 0.43 ab -1.72 ± 0.23 abc 黑腹绵腹衣 Anzia hypomelaena 349.87 ± 25.89 339.44 ± 25.63 10.43 ± 1.08 33.88 ± 1.99 -1.58 ± 0.19 -0.50 ± 0.07 短根条衣 Everniastrum nepalense 115.29 ± 6.35 111.44 ± 6.40 3.86 ± 0.40 48.52 ± 2.02 -4.74 ± 0.75 -2.28 ± 0.44 卷梢哑铃孢 Heterodermia boryi 109.69 ± 9.46 107.74 ± 9.72 1.95 ± 0.46 51.66 ± 1.29 -4.98 ± 0.81 -2.52 ± 0.42 云南袋衣 Hypogymnia yunnanensis 166.81 ± 7.57 160.20 ± 7.77 6.61 ± 2.20 48.94 ± 6.04 -3.64 ± 0.72 -1.56 ± 0.25 直立枝状 Shrubby fruticose 153.06 ± 10.08 a 149.03 ± 9.88 a 4.03 ± 0.77 b 39.15 ± 2.46 c -4.82 ± 0.45 b -1.85 ± 0.23 bc 裂髓树花 Ramalina conduplicans 148.43 ± 14.35 142.97 ± 13.80 5.46 ± 1.10 48.02 ± 2.01 -5.82 ± 0.89 -2.70 ± 0.42 槽枝衣 Sulcaria sulcata 128.74 ± 8.78 125.69 ± 8.03 3.05 ± 1.80 40.92 ± 2.38 -3.97 ± 0.54 -1.56 ± 0.16 多花松萝 Usnea florida 182.00 ± 20.55 178.44 ± 20.20 3.57 ± 0.96 28.52 ± 2.35 -4.68 ± 0.79 -1.29 ± 0.26 悬垂枝状 Pendent fruticose 125.67 ± 10.85 b 120.23 ± 10.56 b 5.44 ± 0.78 ab 46.03 ± 3.63 b -2.92 ± 0.28 a -1.19 ± 0.06 a 巢松萝 Usnea dasopoga 153.47 ± 10.12 148.05 ± 9.08 5.43 ± 1.20 40.86 ± 3.71 -3.05 ± 0.33 -1.14 ± 0.10 长松萝 Usnea longissima 97.86 ± 6.33 92.41 ± 5.72 5.45 ± 1.15 51.20 ± 5.65 -2.79 ± 0.48 -1.24 ± 0.08