Chin J Plant Ecol ›› 2009, Vol. 33 ›› Issue (4): 748-754.DOI: 10.3773/j.issn.1005-264x.2009.04.013
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URIANKHAI Tselmeg1, LIU Mao-Song1,*(), HUANG Zheng1, CHEN Bin1, ZHANG Ming-Juan1,2, XU Chi1
Received:
2008-12-17
Revised:
2009-03-19
Online:
2009-12-17
Published:
2009-07-30
Contact:
LIU Mao-Song
URIANKHAI Tselmeg, LIU Mao-Song, HUANG Zheng, CHEN Bin, ZHANG Ming-Juan, XU Chi. DISTRIBUTION PATTERN OF ROOT BIOMASS AND INTER-SPECIFIC RELATIONSHIP IN ACHNATHERUM SPLENDENS-SOPHORA ALOPECUROIDES COMMUNITY IN NORTHWEST CHINA[J]. Chin J Plant Ecol, 2009, 33(4): 748-754.
平均高度 Average height (m) | 平均冠幅 Average crown diameter (m) | 盖度 Coverage (%) | |
---|---|---|---|
芨芨草 Achnatherum splendens | 1.13 | 0.79 | 42.58 |
苦豆子 Sophora alopecuroides | 0.32 | 0.20 | 2.19 |
碱蓬 Suaeda glauca | 0.18 | 0.29 | 0.31 |
藜 Chenopodium album | 0.32 | 0.23 | 0.12 |
蓟 Cirsium japonicum | 0.14 | 0.15 | 0.07 |
甘草 Glycyrrhiza uralensis | 0.19 | 0.16 | 0.05 |
披针叶黄华 Thermopsis lanceolata | 0.15 | 0.10 | <0.01 |
Table 1 Basic status of the study community
平均高度 Average height (m) | 平均冠幅 Average crown diameter (m) | 盖度 Coverage (%) | |
---|---|---|---|
芨芨草 Achnatherum splendens | 1.13 | 0.79 | 42.58 |
苦豆子 Sophora alopecuroides | 0.32 | 0.20 | 2.19 |
碱蓬 Suaeda glauca | 0.18 | 0.29 | 0.31 |
藜 Chenopodium album | 0.32 | 0.23 | 0.12 |
蓟 Cirsium japonicum | 0.14 | 0.15 | 0.07 |
甘草 Glycyrrhiza uralensis | 0.19 | 0.16 | 0.05 |
披针叶黄华 Thermopsis lanceolata | 0.15 | 0.10 | <0.01 |
植冠区 Under-canopy subarea | 过渡区 Transition subarea | 空旷区 Open area | ||
---|---|---|---|---|
芨芨草根系生物量密度 Root biomass densities of Achnatherum splendens (g·m-3) | 根系总生物量 Total root biomass | 268.37 ± 36.61 | 106.54 ± 21.90 | 69.52 ± 12.30 |
细根生物量 Fine root biomass | 47.53 ± 7.65 | 24.38 ± 3.96 | 17.20 ± 3.27 | |
苦豆子根系生物量密度 Root biomass densities of Sophora alopecuroides (g·m-3) | 根系总生物量 Total root biomass | 166.70 ± 25.75 | 148.77 ± 17.08 | 161.37 ± 24.02 |
细根生物量 Fine root biomass | 2.95 ±1.37 | 1.76 ± 0.58 | 2.79 ± 0.74 |
Table 2 Root biomass densities of Achnatherum splendens and Sophora alopecuroides in 3 subareas of the community (mean ± SE)
植冠区 Under-canopy subarea | 过渡区 Transition subarea | 空旷区 Open area | ||
---|---|---|---|---|
芨芨草根系生物量密度 Root biomass densities of Achnatherum splendens (g·m-3) | 根系总生物量 Total root biomass | 268.37 ± 36.61 | 106.54 ± 21.90 | 69.52 ± 12.30 |
细根生物量 Fine root biomass | 47.53 ± 7.65 | 24.38 ± 3.96 | 17.20 ± 3.27 | |
苦豆子根系生物量密度 Root biomass densities of Sophora alopecuroides (g·m-3) | 根系总生物量 Total root biomass | 166.70 ± 25.75 | 148.77 ± 17.08 | 161.37 ± 24.02 |
细根生物量 Fine root biomass | 2.95 ±1.37 | 1.76 ± 0.58 | 2.79 ± 0.74 |
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