Chin J Plant Ecol ›› 2009, Vol. 33 ›› Issue (2): 338-346.DOI: 10.3773/j.issn.1005-264x.2009.02.011
• Research Articles • Previous Articles Next Articles
ZHANG Pu-Jin1, YANG Jie1,2,*(), SONG Bing-Yu1, ZHAO Li-Qing1, QING Hua1,3
Received:
2008-03-27
Accepted:
2008-10-10
Online:
2009-03-27
Published:
2009-03-31
Contact:
YANG Jie
ZHANG Pu-Jin, YANG Jie, SONG Bing-Yu, ZHAO Li-Qing, QING Hua. SPATIAL HETEROGENEITY OF SOIL RESOURCES OF CARAGANA TIBETICA COMMUNITY[J]. Chin J Plant Ecol, 2009, 33(2): 338-346.
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | |
---|---|---|---|
长 Length | 250~200 | 140~110 | 70~60 |
宽 Width | 180~130 | 100~70 | 55~45 |
灌丛高 Shrub height | 65~60 | 55~45 | 30~20 |
沙堆高 Nebkhas height | 55~50 | 50~40 | 20~15 |
Table 1 The size of Caragana tibeticanebkhas (cm)
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | |
---|---|---|---|
长 Length | 250~200 | 140~110 | 70~60 |
宽 Width | 180~130 | 100~70 | 55~45 |
灌丛高 Shrub height | 65~60 | 55~45 | 30~20 |
沙堆高 Nebkhas height | 55~50 | 50~40 | 20~15 |
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | 沙堆外 Outside nebkhas | |
---|---|---|---|---|
土壤有机质 Soil organic matter (g?kg-1) | 9.444±1.886a | 8.132±1.435b | 7.579±1.579b | 7.564±0.916b |
土壤全磷 Soil total phosphorus (g?kg-1) | 0.233±0.020a | 0.221±0.030a c | 0.191±0.025b | 0.199±0.017bc |
土壤质量含水量 Mass water content of soil (%) | 2.55±0.8a | 2.15±0.6ab | 1.67±0.4b | 2.04±0.62ab |
Table 2 The average contents of soil organic matter, soil total phosphorus and mass water content of soil inside and outside Caragana tibeticanebkhas (mean±SE)
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | 沙堆外 Outside nebkhas | |
---|---|---|---|---|
土壤有机质 Soil organic matter (g?kg-1) | 9.444±1.886a | 8.132±1.435b | 7.579±1.579b | 7.564±0.916b |
土壤全磷 Soil total phosphorus (g?kg-1) | 0.233±0.020a | 0.221±0.030a c | 0.191±0.025b | 0.199±0.017bc |
土壤质量含水量 Mass water content of soil (%) | 2.55±0.8a | 2.15±0.6ab | 1.67±0.4b | 2.04±0.62ab |
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | 沙堆外 Outside nebkhas | |
---|---|---|---|---|
土壤有机质 Soil organic matter (g?kg-1) | 9.739±2.367a | 8.692±1.310a | 7.393±1.600a | 7.564±0.916a |
土壤全磷 Soil total phosphorus (g?kg-1) | 0.223±0.040a | 0.216±0.030a | 0.203±0.038a | 0.199±0.017a |
土壤质量含水量 Mass water content of soil (%) | 5.87±0.56a | 4.16±0.63b | 2.72±0.32c | 2.04±0.62c |
Table 3 The average contents of soil organic matter, soil total phosphorus and mass water content of soil underground nebkhas and outside the nebkhas (mean±SE)
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | 沙堆外 Outside nebkhas | |
---|---|---|---|---|
土壤有机质 Soil organic matter (g?kg-1) | 9.739±2.367a | 8.692±1.310a | 7.393±1.600a | 7.564±0.916a |
土壤全磷 Soil total phosphorus (g?kg-1) | 0.223±0.040a | 0.216±0.030a | 0.203±0.038a | 0.199±0.017a |
土壤质量含水量 Mass water content of soil (%) | 5.87±0.56a | 4.16±0.63b | 2.72±0.32c | 2.04±0.62c |
Fig. 4 Soil organic matter and soil total phosphorus contents in the surface layer soil (0~20 cm) in the top and middle parts ofCaragana tibetica nebkhas, as well as in the space between them Vertical line indicates standard error (±SE)
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | 沙堆外 Outside nebkhas | |
---|---|---|---|---|
土壤质量含水量 Mass water content of soil (%) | 1.92±0.25a | 1.72±0.12a | 1.67±0.42a | 2.04±0.62a |
Table 4 Soil-mass water content of Caragana tibetica nebkhas surface layer of 0~20 cm (mean±SE)
大沙堆 Large nebkhas | 中沙堆 Medium nebkhas | 小沙堆 Small nebkhas | 沙堆外 Outside nebkhas | |
---|---|---|---|---|
土壤质量含水量 Mass water content of soil (%) | 1.92±0.25a | 1.72±0.12a | 1.67±0.42a | 2.04±0.62a |
广义土壤有机质 Generalized soil organic matter (g?kg-1) | 狭义土壤有机质 Narrow sense soil organic matter (g?kg-1) | |
---|---|---|
中沙堆 Medium nebkhas | 11.623±2.420a | 8.132±1.435b |
Table 5 The average contents of generalized and narrow sense soil organic matter inside Caragana tibeticanebkhas (mean±SE)
广义土壤有机质 Generalized soil organic matter (g?kg-1) | 狭义土壤有机质 Narrow sense soil organic matter (g?kg-1) | |
---|---|---|
中沙堆 Medium nebkhas | 11.623±2.420a | 8.132±1.435b |
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