Chin J Plant Ecol ›› 2010, Vol. 34 ›› Issue (1): 29-38.DOI: 10.3773/j.issn.1005-264x.2010.01.006
• Special feature: Ecological Stoichiometry • Previous Articles Next Articles
XU Bing, CHENG Yu-Xi, GAN Hui-Jie, ZHOU Wen-Jia, HE Jin-Sheng*()
Received:
2009-01-12
Accepted:
2009-06-03
Online:
2010-01-12
Published:
2010-01-01
Contact:
HE Jin-Sheng
XU Bing, CHENG Yu-Xi, GAN Hui-Jie, ZHOU Wen-Jia, HE Jin-Sheng. Correlations between leaf and fine root traits among and within species of typical temperate grassland in Xilin River Basin, Inner Mongolia, China[J]. Chin J Plant Ecol, 2010, 34(1): 29-38.
Fig. 1 The theoretical correlations between leaf and fine root traits at different scales. A, Correlations among species (date point represents mean value of each species). B, Positive correlation among species and within species. C, Positive correlation among species, but random within species. D, Positive correlation among species, but negative correlation within species.
Fig. 2 Correlations between leaf traits and fine root traits in N concentrations (A), P concentrations (B), N:P ratios (C) and log-transformed specific leaf area and specific root length (D). Values are mean ± SE.
植物功能群 Functional group | n | Leaf N-Root N | Leaf P-Root P | Leaf N:P-Root N:P | SLA-SRL | ||||
---|---|---|---|---|---|---|---|---|---|
b | R2 | b | R2 | b | R2 | b | R2 | ||
禾草 Grass | 13 | 0.083 | 0.138 | 1.052 | 0.590** | 0.177 | 0.146 | 0.970 | 0.346* |
杂类草 Forb | 36-45 | 0.376 | 0.208** | 0.293 | 0.023 | 0.621 | 0.427** | 1.521 | 0.234** |
木本植物 Woody | 5-6 | 0.767 | 0.701 | 1.524 | 0.599 | 0.886 | 0.732 | -0.324 | 0.057 |
双子叶植物 Dicotyledon | 35-44 | 0.458 | 0.251** | 0.273 | 0.017 | 0.673 | 0.379** | 1.205 | 0.156* |
单子叶植物 Monocotyledon | 19-20 | 0.079 | 0.035 | 0.916 | 0.593** | 0.196 | 0.192 | 0.582 | 0.047 |
豆科植物 Legume | 5 | 0.252 | 0.021 | 1.011 | 0.539 | -0.249 | 0.027 | -0.376 | 0.026 |
非豆科植物 Non-legume | 49-59 | 0.265 | 0.129** | 0.712 | 0.142** | 0.290 | 0.186** | 0.744 | 0.088* |
Table 1 Correlations between leaf and fine root traits among different functional groups
植物功能群 Functional group | n | Leaf N-Root N | Leaf P-Root P | Leaf N:P-Root N:P | SLA-SRL | ||||
---|---|---|---|---|---|---|---|---|---|
b | R2 | b | R2 | b | R2 | b | R2 | ||
禾草 Grass | 13 | 0.083 | 0.138 | 1.052 | 0.590** | 0.177 | 0.146 | 0.970 | 0.346* |
杂类草 Forb | 36-45 | 0.376 | 0.208** | 0.293 | 0.023 | 0.621 | 0.427** | 1.521 | 0.234** |
木本植物 Woody | 5-6 | 0.767 | 0.701 | 1.524 | 0.599 | 0.886 | 0.732 | -0.324 | 0.057 |
双子叶植物 Dicotyledon | 35-44 | 0.458 | 0.251** | 0.273 | 0.017 | 0.673 | 0.379** | 1.205 | 0.156* |
单子叶植物 Monocotyledon | 19-20 | 0.079 | 0.035 | 0.916 | 0.593** | 0.196 | 0.192 | 0.582 | 0.047 |
豆科植物 Legume | 5 | 0.252 | 0.021 | 1.011 | 0.539 | -0.249 | 0.027 | -0.376 | 0.026 |
非豆科植物 Non-legume | 49-59 | 0.265 | 0.129** | 0.712 | 0.142** | 0.290 | 0.186** | 0.744 | 0.088* |
Fig. 3 Comparison of correlations between leaf and fine root traits among monocotyledons and dicotyledons. The significant correlations between leaf and fine root traits are shown by type II regression lines. A, N concentration: y = 0.92x - 1.20 (R2 = 0.251, p = 0.001) for dicotyledons. B, P concentration: y = 1.21x - 0.04 (R2 = 0.593, p < 0.001) for monocotyledons. C, N:P ratio, y = 1.09x - 11.10 (R2 = 0.379, p < 0.001) for dicotyledons, and y = 0.45x - 1.31 (R2 = 0.192, p = 0.061) for monocotyledons. D, Log-transformed specific leaf area and specific root length: y = 3.05x - 5.38 (R2 = 0.156, p = 0.011) for dicotyledons.
物种名 Species | Leaf N-Root N | Leaf P-Root P | SLA-SRL | ||||||
---|---|---|---|---|---|---|---|---|---|
n | r | p | n | r | p | n | r | p | |
棉团铁线莲 Clematis hexapetala | 8 | 0.464 | 0.247 | 4 | -0.767 | 0.233 | 10 | 0.140 | 0.812 |
瓣蕊唐松草 Thalictrum petaloideum | 10 | 0.231 | 0.522 | 10 | -0.250 | 0.636 | |||
二裂委陵菜 Potentilla bifurca | 8 | 0.226 | 0.591 | 7 | 0.132 | 0.778 | 10 | 0.645 | 0.113 |
菊叶委陵菜 Potentilla tanacetifolia | 8 | 0.376 | 0.358 | 7 | -0.571 | 0.181 | 10 | 0.374 | 0.467 |
地榆 Sanguisorba officinalis | 5 | -0.138 | 0.825 | 5 | 0.909 | 0.042 | |||
披针叶黄华 Thermopsis lanceolata | 8 | 0.283 | 0.497 | 5 | 0.874 | 0.052 | 10 | -0.330 | 0.488 |
歪头菜 Vicia unijuga | 5 | 0.877 | 0.051 | 5 | 0.438 | 0.460 | 5 | 0.857 | 0.067 |
狭叶柴胡 Bupleurum scorzonerifolium | 5 | 0.150 | 0.809 | 4 | 0.409 | 0.591 | 7 | 0.412 | 0.365 |
阿尔泰狗娃花 Heteropappus altaicus | 8 | 0.555 | 0.153 | 4 | 0.640 | 0.360 | 10 | -0.036 | 0.786 |
全缘橐吾 Ligularia mongolica | 5 | 0.961 | 0.009 | 5 | 0.785 | 0.116 | 4 | 0.785 | 0.314 |
芨芨草 Achnatherum splendens | 4 | -0.604 | 0.396 | 5 | 0.138 | 0.825 | 5 | 0.938 | 0.115 |
雀麦 Bromus japonicus | 10 | 0.798 | 0.006 | 10 | -0.452 | 0.147 | |||
草 Koeleria cristata | 9 | -0.447 | 0.228 | 6 | -0.341 | 0.509 | 10 | 0.087 | 0.883 |
黄囊薹草 Carex korshinskii | 10 | 0.750 | 0.012 | 6 | 0.542 | 0.267 | 10 | -0.773 | 0.005 |
日阴菅 Carex pediformis | 4 | -0.624 | 0.376 | 5 | 0.796 | 0.107 | 5 | 0.548 | 0.197 |
野韭 Allium ramosum | 10 | 0.446 | 0.196 | 4 | -0.357 | 0.643 | 10 | 0.260 | 0.357 |
山韮 Allium senescens | 10 | 0.487 | 0.154 | 4 | 0.595 | 0.405 | 9 | 0.054 | 0.697 |
知母 Anemarrhena asphodeloides | 8 | -0.049 | 0.908 | 8 | 0.322 | 0.612 | |||
小黄花菜 Hemerocallis minor | 5 | 0.242 | 0.695 | 4 | 0.258 | 0.742 | 5 | -0.428 | 0.548 |
野鸢尾 Iris dichotoma | 5 | 0.003 | 0.997 | 5 | -0.318 | 0.602 | 4 | 0.579 | 0.373 |
Table 2 Correlations between leaf and fine root traits within species
物种名 Species | Leaf N-Root N | Leaf P-Root P | SLA-SRL | ||||||
---|---|---|---|---|---|---|---|---|---|
n | r | p | n | r | p | n | r | p | |
棉团铁线莲 Clematis hexapetala | 8 | 0.464 | 0.247 | 4 | -0.767 | 0.233 | 10 | 0.140 | 0.812 |
瓣蕊唐松草 Thalictrum petaloideum | 10 | 0.231 | 0.522 | 10 | -0.250 | 0.636 | |||
二裂委陵菜 Potentilla bifurca | 8 | 0.226 | 0.591 | 7 | 0.132 | 0.778 | 10 | 0.645 | 0.113 |
菊叶委陵菜 Potentilla tanacetifolia | 8 | 0.376 | 0.358 | 7 | -0.571 | 0.181 | 10 | 0.374 | 0.467 |
地榆 Sanguisorba officinalis | 5 | -0.138 | 0.825 | 5 | 0.909 | 0.042 | |||
披针叶黄华 Thermopsis lanceolata | 8 | 0.283 | 0.497 | 5 | 0.874 | 0.052 | 10 | -0.330 | 0.488 |
歪头菜 Vicia unijuga | 5 | 0.877 | 0.051 | 5 | 0.438 | 0.460 | 5 | 0.857 | 0.067 |
狭叶柴胡 Bupleurum scorzonerifolium | 5 | 0.150 | 0.809 | 4 | 0.409 | 0.591 | 7 | 0.412 | 0.365 |
阿尔泰狗娃花 Heteropappus altaicus | 8 | 0.555 | 0.153 | 4 | 0.640 | 0.360 | 10 | -0.036 | 0.786 |
全缘橐吾 Ligularia mongolica | 5 | 0.961 | 0.009 | 5 | 0.785 | 0.116 | 4 | 0.785 | 0.314 |
芨芨草 Achnatherum splendens | 4 | -0.604 | 0.396 | 5 | 0.138 | 0.825 | 5 | 0.938 | 0.115 |
雀麦 Bromus japonicus | 10 | 0.798 | 0.006 | 10 | -0.452 | 0.147 | |||
草 Koeleria cristata | 9 | -0.447 | 0.228 | 6 | -0.341 | 0.509 | 10 | 0.087 | 0.883 |
黄囊薹草 Carex korshinskii | 10 | 0.750 | 0.012 | 6 | 0.542 | 0.267 | 10 | -0.773 | 0.005 |
日阴菅 Carex pediformis | 4 | -0.624 | 0.376 | 5 | 0.796 | 0.107 | 5 | 0.548 | 0.197 |
野韭 Allium ramosum | 10 | 0.446 | 0.196 | 4 | -0.357 | 0.643 | 10 | 0.260 | 0.357 |
山韮 Allium senescens | 10 | 0.487 | 0.154 | 4 | 0.595 | 0.405 | 9 | 0.054 | 0.697 |
知母 Anemarrhena asphodeloides | 8 | -0.049 | 0.908 | 8 | 0.322 | 0.612 | |||
小黄花菜 Hemerocallis minor | 5 | 0.242 | 0.695 | 4 | 0.258 | 0.742 | 5 | -0.428 | 0.548 |
野鸢尾 Iris dichotoma | 5 | 0.003 | 0.997 | 5 | -0.318 | 0.602 | 4 | 0.579 | 0.373 |
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