Chin J Plant Ecol ›› 2008, Vol. 32 ›› Issue (6): 1227-1237.DOI: 10.3773/j.issn.1005-264x.2008.06.003
• Original article • Previous Articles Next Articles
SONG Sen1, GU Jia-Cun1, QUAN Xian-Kui1, GUO Da-Li2, WANG Zheng-Quan1,*()
Received:
2007-11-21
Accepted:
2008-03-27
Online:
2008-11-21
Published:
2008-11-30
Contact:
WANG Zheng-Quan
SONG Sen, GU Jia-Cun, QUAN Xian-Kui, GUO Da-Li, WANG Zheng-Quan. FINE-ROOT DECOMPOSITION OF FRAXINUS MANDSHURICA AND LARIX GMELINII PLANTATIONS[J]. Chin J Plant Ecol, 2008, 32(6): 1227-1237.
兴安落叶松 Larix gmelinii | 水曲柳 Fraxinus mandshurica | |||
---|---|---|---|---|
中位值分解期 Median decomposition time (d) | 平均分解期 Mean decomposition time (d) | 中位值分解期 Median decomposition time (d) | 平均分解期 Mean decomposition time (d) | |
总体 Total | 82±7b | 199±17 | 317±28a | 353±20 |
直径 Diameter (mm) | ||||
≤0.3 | 246±138a | 205±32 | 323±38a | 398±39 |
0.3~0.6 | 69±5a | 175±19 | 309±68a | 339±26 |
>0.6 | 85±53a | 273±53 | 273±104a | 312±47 |
根序 Root order | ||||
一级 First order | 62±5b | 153±17 | 302±26b | 328±23 |
高级 High order | 144±33a | 219±36 | 360±58a | 415±61 |
土层 Soil depth (cm) | ||||
0~15 | 64±2c | 128±16 | 316±65c | 341±25 |
15~30 | 93± 21b | 222±29 | 373±61b | 374±39 |
30~45 | 246±51a | 306±46 | 396±13a | 421±55 |
Table 1 Median and mean decomposition time for different diameter, root order and soil depth of Larix gmelinii and Fraxinus mandshurica fine roots (median, mean ± SE) (p<0.05)
兴安落叶松 Larix gmelinii | 水曲柳 Fraxinus mandshurica | |||
---|---|---|---|---|
中位值分解期 Median decomposition time (d) | 平均分解期 Mean decomposition time (d) | 中位值分解期 Median decomposition time (d) | 平均分解期 Mean decomposition time (d) | |
总体 Total | 82±7b | 199±17 | 317±28a | 353±20 |
直径 Diameter (mm) | ||||
≤0.3 | 246±138a | 205±32 | 323±38a | 398±39 |
0.3~0.6 | 69±5a | 175±19 | 309±68a | 339±26 |
>0.6 | 85±53a | 273±53 | 273±104a | 312±47 |
根序 Root order | ||||
一级 First order | 62±5b | 153±17 | 302±26b | 328±23 |
高级 High order | 144±33a | 219±36 | 360±58a | 415±61 |
土层 Soil depth (cm) | ||||
0~15 | 64±2c | 128±16 | 316±65c | 341±25 |
15~30 | 93± 21b | 222±29 | 373±61b | 374±39 |
30~45 | 246±51a | 306±46 | 396±13a | 421±55 |
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