Acta Prataculturae Sinica ›› 2021, Vol. 30 ›› Issue (2): 115-123.DOI: 10.11686/cyxb2020286
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Ju-hong WANG1(), Ze-xuan XU1, Wen CHEN2, Hui ZHU1(), Long-jun HUANG1, Jia-wei LI1
Received:
2020-06-23
Revised:
2020-09-27
Online:
2021-02-20
Published:
2021-01-19
Contact:
Hui ZHU
Ju-hong WANG, Ze-xuan XU, Wen CHEN, Hui ZHU, Long-jun HUANG, Jia-wei LI. The stoichiometric characteristics of Alternanthera philoxeroides with different invasive degrees and their comparison with the coexisting species Gomphrena celosioides[J]. Acta Prataculturae Sinica, 2021, 30(2): 115-123.
土层 Soil layer(cm) | 生境 Habitats | 有机碳 Organic carbon (mg·g-1) | 全氮 Total nitrogen (mg·g-1) | 全磷 Total phosphorus (mg·g-1) | 速效氮 Available nitrogen (mg·kg-1) | 速效磷 Available phosphorus (mg·kg-1) |
---|---|---|---|---|---|---|
0~10 | 伴生种Companion | 7.351±4.045Ad | 0.525±0.274Aa | 0.435±0.081Ab | 27.819±9.889Ad | 10.919±1.155Ab |
轻度入侵Mild | 17.790±2.810Ab | 1.091±0.787Aa | 1.071±0.390Aa | 109.579±3.338Ab | 203.828±135.385Aab | |
中度入侵Moderate | 22.957±3.016Aa | 1.141±0.029Aa | 0.824±0.099Aa | 120.663±5.362Aa | 154.461±74.392Aab | |
重度入侵 Heavy | 13.253±1.763Ac | 0.945±0.226Aa | 0.910±0.181Aa | 45.022±7.273Ac | 349.383±219.867Aa | |
10~20 | 伴生种Companion | 6.990±2.542Ad | 0.326±0.127Ab | 0.433±0.042Ab | 25.259±10.859Ab | 13.873±8.303Ac |
轻度入侵Mild | 16.064±2.150Ab | 0.772±0.128Aa | 0.911±0.233Aa | 70.440±25.630Bab | 128.194±60.606Ab | |
中度入侵Moderate | 18.773±7.684Aa | 0.866±0.158Ba | 0.952±0.417Aa | 78.274±17.142Ba | 184.092±89.108Ab | |
重度入侵 Heavy | 11.313±0.623Bc | 0.856±0.096Aa | 0.873±0.190Aa | 57.834±51.155Aab | 316.593±108.248Aa |
Table 1 C, N and P content in soils of A. philoxeroides and their companion
土层 Soil layer(cm) | 生境 Habitats | 有机碳 Organic carbon (mg·g-1) | 全氮 Total nitrogen (mg·g-1) | 全磷 Total phosphorus (mg·g-1) | 速效氮 Available nitrogen (mg·kg-1) | 速效磷 Available phosphorus (mg·kg-1) |
---|---|---|---|---|---|---|
0~10 | 伴生种Companion | 7.351±4.045Ad | 0.525±0.274Aa | 0.435±0.081Ab | 27.819±9.889Ad | 10.919±1.155Ab |
轻度入侵Mild | 17.790±2.810Ab | 1.091±0.787Aa | 1.071±0.390Aa | 109.579±3.338Ab | 203.828±135.385Aab | |
中度入侵Moderate | 22.957±3.016Aa | 1.141±0.029Aa | 0.824±0.099Aa | 120.663±5.362Aa | 154.461±74.392Aab | |
重度入侵 Heavy | 13.253±1.763Ac | 0.945±0.226Aa | 0.910±0.181Aa | 45.022±7.273Ac | 349.383±219.867Aa | |
10~20 | 伴生种Companion | 6.990±2.542Ad | 0.326±0.127Ab | 0.433±0.042Ab | 25.259±10.859Ab | 13.873±8.303Ac |
轻度入侵Mild | 16.064±2.150Ab | 0.772±0.128Aa | 0.911±0.233Aa | 70.440±25.630Bab | 128.194±60.606Ab | |
中度入侵Moderate | 18.773±7.684Aa | 0.866±0.158Ba | 0.952±0.417Aa | 78.274±17.142Ba | 184.092±89.108Ab | |
重度入侵 Heavy | 11.313±0.623Bc | 0.856±0.096Aa | 0.873±0.190Aa | 57.834±51.155Aab | 316.593±108.248Aa |
器官Organs | 入侵程度Invasion degrees | 有机碳Organic carbon | 氮Nitrogen | 磷Phosphorus |
---|---|---|---|---|
根Root | 伴生种Companion | 438.032±17.358Aa | 9.043±1.771Bb | 1.800±0.133Aab |
轻度Mild | 411.372±8.587Ab | 18.173±3.634Ca | 1.475±0.345Bb | |
中度Moderate | 408.868±8.022Ab | 15.134±1.565Ba | 1.934±0.317Ba | |
重度 Heavy | 401.256±13.615Ab | 16.763±2.887Ba | 1.845±0.113Ba | |
茎Stem | 伴生种Companion | 377.476±11.463Ba | 10.603±0.385Bc | 1.609±0.385Ab |
轻度Mild | 344.025±8.410Bb | 22.833±2.145Ba | 1.759±0.640Bab | |
中度Moderate | 364.329±28.565Bab | 19.122±6.008Bab | 2.256±0.258ABa | |
重度 Heavy | 383.569±28.414Aa | 16.556±2.375Bb | 1.626±0.327Bb | |
叶Leaf | 伴生种Companion | 368.612±9.735Bab | 23.312±1.544Ac | 0.593±0.153Bb |
轻度Mild | 349.321±22.552Bb | 39.579±2.843Aa | 2.644±0.268Aa | |
中度Moderate | 357.891±21.205Bb | 37.641±3.314Aa | 2.805±0.631Aa | |
重度 Heavy | 390.837±18.053Aa | 34.054±1.741Ab | 2.535±0.187Aa |
Table 2 C, N, P contents in organs of A. philoxeroides with different invasive degrees and their companion (mg·g-1)
器官Organs | 入侵程度Invasion degrees | 有机碳Organic carbon | 氮Nitrogen | 磷Phosphorus |
---|---|---|---|---|
根Root | 伴生种Companion | 438.032±17.358Aa | 9.043±1.771Bb | 1.800±0.133Aab |
轻度Mild | 411.372±8.587Ab | 18.173±3.634Ca | 1.475±0.345Bb | |
中度Moderate | 408.868±8.022Ab | 15.134±1.565Ba | 1.934±0.317Ba | |
重度 Heavy | 401.256±13.615Ab | 16.763±2.887Ba | 1.845±0.113Ba | |
茎Stem | 伴生种Companion | 377.476±11.463Ba | 10.603±0.385Bc | 1.609±0.385Ab |
轻度Mild | 344.025±8.410Bb | 22.833±2.145Ba | 1.759±0.640Bab | |
中度Moderate | 364.329±28.565Bab | 19.122±6.008Bab | 2.256±0.258ABa | |
重度 Heavy | 383.569±28.414Aa | 16.556±2.375Bb | 1.626±0.327Bb | |
叶Leaf | 伴生种Companion | 368.612±9.735Bab | 23.312±1.544Ac | 0.593±0.153Bb |
轻度Mild | 349.321±22.552Bb | 39.579±2.843Aa | 2.644±0.268Aa | |
中度Moderate | 357.891±21.205Bb | 37.641±3.314Aa | 2.805±0.631Aa | |
重度 Heavy | 390.837±18.053Aa | 34.054±1.741Ab | 2.535±0.187Aa |
土层 Soil layer (cm) | 土壤营养 Soil nutrition | 有机碳Organic carbon | 氮 Nitrogen | 磷Phosphorus | ||||||
---|---|---|---|---|---|---|---|---|---|---|
根 Root | 茎Stem | 叶Leaf | 根Root | 茎Stem | 叶Leaf | 根Root | 茎Stem | 叶Leaf | ||
0~10 | 有机碳Organic carbon | -0.433 | -0.246 | -0.384 | 0.554* | 0.712** | 0.804** | 0.084 | 0.516* | 0.748** |
全氮Total nitrogen | -0.341 | -0.294 | -0.434 | 0.104 | 0.299 | 0.355 | 0.085 | 0.193 | 0.468* | |
全磷Total phosphorus | -0.678** | -0.327 | -0.002 | 0.778** | 0.686** | 0.763** | -0.262 | 0.319 | 0.655** | |
速效氮Available nitrogen | -0.383 | -0.463* | -0.570* | 0.546* | 0.817** | 0.840** | -0.127 | 0.393 | 0.735** | |
速效磷Available phosphorus | -0.641** | -0.154 | 0.273 | 0.441 | 0.303 | 0.393 | -0.117 | 0.163 | 0.521* | |
10~20 | 有机碳Organic carbon | -0.400 | -0.287 | -0.313 | 0.480* | 0.609** | 0.718** | 0.180 | 0.452 | 0.685** |
全氮Total nitrogen | -0.692** | -0.015 | 0.283 | 0.780** | 0.594** | 0.754** | -0.060 | 0.160 | 0.828** | |
全磷Total phosphorus | -0.484* | -0.239 | -0.063 | 0.466* | 0.480* | 0.532* | -0.006 | 0.262 | 0.592** | |
速效氮Available nitrogen | -0.570* | -0.222 | -0.115 | 0.352 | 0.507* | 0.607** | -0.014 | 0.132 | 0.603** | |
速效磷Available phosphorus | -0.620** | 0.171 | 0.525* | 0.529* | 0.262 | 0.411 | 0.151 | -0.023 | 0.526* |
Table 3 Pearson correlation between element contents in plant organs and soil nutrition (mg·g-1)
土层 Soil layer (cm) | 土壤营养 Soil nutrition | 有机碳Organic carbon | 氮 Nitrogen | 磷Phosphorus | ||||||
---|---|---|---|---|---|---|---|---|---|---|
根 Root | 茎Stem | 叶Leaf | 根Root | 茎Stem | 叶Leaf | 根Root | 茎Stem | 叶Leaf | ||
0~10 | 有机碳Organic carbon | -0.433 | -0.246 | -0.384 | 0.554* | 0.712** | 0.804** | 0.084 | 0.516* | 0.748** |
全氮Total nitrogen | -0.341 | -0.294 | -0.434 | 0.104 | 0.299 | 0.355 | 0.085 | 0.193 | 0.468* | |
全磷Total phosphorus | -0.678** | -0.327 | -0.002 | 0.778** | 0.686** | 0.763** | -0.262 | 0.319 | 0.655** | |
速效氮Available nitrogen | -0.383 | -0.463* | -0.570* | 0.546* | 0.817** | 0.840** | -0.127 | 0.393 | 0.735** | |
速效磷Available phosphorus | -0.641** | -0.154 | 0.273 | 0.441 | 0.303 | 0.393 | -0.117 | 0.163 | 0.521* | |
10~20 | 有机碳Organic carbon | -0.400 | -0.287 | -0.313 | 0.480* | 0.609** | 0.718** | 0.180 | 0.452 | 0.685** |
全氮Total nitrogen | -0.692** | -0.015 | 0.283 | 0.780** | 0.594** | 0.754** | -0.060 | 0.160 | 0.828** | |
全磷Total phosphorus | -0.484* | -0.239 | -0.063 | 0.466* | 0.480* | 0.532* | -0.006 | 0.262 | 0.592** | |
速效氮Available nitrogen | -0.570* | -0.222 | -0.115 | 0.352 | 0.507* | 0.607** | -0.014 | 0.132 | 0.603** | |
速效磷Available phosphorus | -0.620** | 0.171 | 0.525* | 0.529* | 0.262 | 0.411 | 0.151 | -0.023 | 0.526* |
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