湖南会同5个亚热带树种的细根构型及功能特征分析
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刘佳, 项文化, 徐晓, 陈瑞, 田大伦, 彭长辉, 方晰
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Analysis of architecture and functions of fine roots of five subtropical tree species in Huitong, Hunan Province, China
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LIU Jia, XIANG Wen-Hua, XU Xiao, CHEN Rui, TIAN Da-Lun, PENG Chang-Hui, FANG Xi
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表2 5个树种的平均比根长、比表面积、分叉数和根尖数
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Table 2 Average specific root length (SRL), specific root surface area (SRA), tip density and forks for five tree species
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树种
Tree species | 比根长 SRL (m·g-1) | 比表面积 SRA (cm2·g-1) | 根尖密度
Tip density (No.·cm-1) | 分叉
Forks (No.·cm-1) | | 1 | 2 | 3 | | 1 | 2 | 3 | 马尾松
Pinus massoniana | 23.53ab
(10.06) | 11.73a
(4.34) | 4.00ab
(0.72) | 272.95a
(80.27) | 184.08a
(40.16) | 102.36ab
(26.7) | 2.99a
(0.29) | 5.09a
(1.11) | 枫香
Liquidanbar formosana | 31.45a
(11.67) | 9.42a
(2.97) | 3.71ab
(0.69) | 271.72a
(75.45) | 142.28a
(27.33) | 84.73ab
(21.6) | 2.85a
(0.21) | 3.09b
(1.52) | 拟赤杨
Alniphyllum fortunei | 28.26ab
(12.89) | 11.56a
(5.59) | 4.13ab
(0.69) | 247.20a
(76.57) | 146.68a
(34.33) | 82.86ab
(34.38) | 2.38a
(0.27) | 5.16a
(1.20) | 青冈
Cyclobalanopsis glauca | 23.40ab
(8.21) | 8.67a
(10.56) | 2.17b
(0.72) | 228.85a
(78.60) | 139.92a
(91.43) | 61.57b
(14.43) | 2.92a
(0.23) | 3.95ab
(1.34) | 杉木
Cunninghamia lanceolata | 16.34b
(10.07) | 9.38a
(3.57) | 5.20a
(0.72) | 226.79a
(37.25) | 166.35a
(41.75) | 139.76a
(90.48) | 2.57a
(0.22) | 2.46b
(0.77) |
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