Chin J Plant Ecol ›› 2024, Vol. 48 ›› Issue (6): 719-729.DOI: 10.17521/cjpe.2023.0271 cstr: 32100.14.cjpe.2023.0271
Special Issue: 植物功能性状
• Research Articles • Previous Articles Next Articles
WEN Jia, ZHANG Xin-Na, WANG Juan, ZHAO Xiu-Hai, ZHANG Chun-Yu*()
Received:
2023-09-22
Accepted:
2024-02-26
Online:
2024-06-20
Published:
2024-02-26
Contact:
*ZHANG Chun-Yu(zcy_0520@163.com)
Supported by:
WEN Jia, ZHANG Xin-Na, WANG Juan, ZHAO Xiu-Hai, ZHANG Chun-Yu. Traits mediate response of seedling survival rate to neighborhood competition and abiotic environment[J]. Chin J Plant Ecol, 2024, 48(6): 719-729.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2023.0271
物种 Species | 科 Family | 属 Genus | 高度 Height (cm) | 平均高度 Mean height (cm) |
---|---|---|---|---|
糠椴 Tilia mandshurica | 锦葵科 Malvaceae | 椴属 Tilia | 4.9-12.2 | 7.6 |
杉松 Abies holophylla | 松科 Pinaceae | 冷杉属 Abies | 4.0-31.9 | 7.5 |
水曲柳 Fraxinus mandschurica | 木犀科 Oleaceae | 梣属 Fraxinus | 5.0-49.4 | 14.3 |
裂叶榆 Ulmus laciniata | 榆科 Ulmaceae | 榆属 Ulmus | 5.2-40.0 | 14.5 |
大果榆 Ulmus macrocarpa | 榆科 Ulmaceae | 榆属 Ulmus | 10.9-23.6 | 18.6 |
蒙古栎 Quercus mongolica | 壳斗科 Fagaceae | 栎属 Quercus | 8.2-24.7 | 17.4 |
紫椴 Tilia amurensis | 锦葵科 Malvaceae | 椴属 Tilia | 2.7-28.0 | 7.3 |
红松 Pinus koraiensis | 松科 Pinaceae | 松属 Pinus | 3.1-30.0 | 11.8 |
东北槭 Acer mandshuricum | 无患子科 Sapindaceae | 槭属 Acer | 4.0-48.2 | 16.2 |
色木槭 Acer pictum subsp. mono | 无患子科 Sapindaceae | 槭属 Acer | 1.9-49.0 | 15.5 |
青楷槭 Acer tegmentosum | 无患子科 Sapindaceae | 槭属 Acer | 8.2-19.4 | 12.1 |
千金榆 Carpinus cordata | 桦木科 Betulaceae | 鹅耳枥属 Carpinus | 3.0-11.1 | 5.8 |
Table 1 Species information of 12 tree seedling species in a needleleaf and broadleaf mixed forest in Jiaohe, Jilin
物种 Species | 科 Family | 属 Genus | 高度 Height (cm) | 平均高度 Mean height (cm) |
---|---|---|---|---|
糠椴 Tilia mandshurica | 锦葵科 Malvaceae | 椴属 Tilia | 4.9-12.2 | 7.6 |
杉松 Abies holophylla | 松科 Pinaceae | 冷杉属 Abies | 4.0-31.9 | 7.5 |
水曲柳 Fraxinus mandschurica | 木犀科 Oleaceae | 梣属 Fraxinus | 5.0-49.4 | 14.3 |
裂叶榆 Ulmus laciniata | 榆科 Ulmaceae | 榆属 Ulmus | 5.2-40.0 | 14.5 |
大果榆 Ulmus macrocarpa | 榆科 Ulmaceae | 榆属 Ulmus | 10.9-23.6 | 18.6 |
蒙古栎 Quercus mongolica | 壳斗科 Fagaceae | 栎属 Quercus | 8.2-24.7 | 17.4 |
紫椴 Tilia amurensis | 锦葵科 Malvaceae | 椴属 Tilia | 2.7-28.0 | 7.3 |
红松 Pinus koraiensis | 松科 Pinaceae | 松属 Pinus | 3.1-30.0 | 11.8 |
东北槭 Acer mandshuricum | 无患子科 Sapindaceae | 槭属 Acer | 4.0-48.2 | 16.2 |
色木槭 Acer pictum subsp. mono | 无患子科 Sapindaceae | 槭属 Acer | 1.9-49.0 | 15.5 |
青楷槭 Acer tegmentosum | 无患子科 Sapindaceae | 槭属 Acer | 8.2-19.4 | 12.1 |
千金榆 Carpinus cordata | 桦木科 Betulaceae | 鹅耳枥属 Carpinus | 3.0-11.1 | 5.8 |
土壤理化性质 Soil physical and chemical property | PC1 | PC2 | PC3 |
---|---|---|---|
土壤含水量 Soil moisture | 0.618 | 0.003 | -0.203 |
全氮含量 Total nitrogen content | 0.607 | -0.159 | -0.340 |
全磷含量 Total phosphorus content | 0.587 | 0.405 | 0.076 |
全钾含量 Total potassium content | -0.596 | 0.461 | -0.040 |
有机质含量 Organic matter content | 0.550 | -0.041 | -0.201 |
有效氮含量 Available nitrogen content | 0.634 | 0.487 | 0.298 |
有效磷含量 Available phosphorus content | 0.051 | 0.626 | 0.405 |
有效钾含量 Available potassium content | 0.779 | -0.233 | 0.203 |
土壤pH Soil pH | 0.008 | -0.625 | 0.681 |
变异解释 Proportion of variance (%) | 30.701 | 16.422 | 15.233 |
累计变异解释 Cumulative proportion of variance (%) | 30.701 | 47.124 | 62.357 |
Table 2 Loading values of soil physicochemical properties on the first three principal components (PC) in needleleaf and broadleaf mixed forest in Jiaohe, Jilin
土壤理化性质 Soil physical and chemical property | PC1 | PC2 | PC3 |
---|---|---|---|
土壤含水量 Soil moisture | 0.618 | 0.003 | -0.203 |
全氮含量 Total nitrogen content | 0.607 | -0.159 | -0.340 |
全磷含量 Total phosphorus content | 0.587 | 0.405 | 0.076 |
全钾含量 Total potassium content | -0.596 | 0.461 | -0.040 |
有机质含量 Organic matter content | 0.550 | -0.041 | -0.201 |
有效氮含量 Available nitrogen content | 0.634 | 0.487 | 0.298 |
有效磷含量 Available phosphorus content | 0.051 | 0.626 | 0.405 |
有效钾含量 Available potassium content | 0.779 | -0.233 | 0.203 |
土壤pH Soil pH | 0.008 | -0.625 | 0.681 |
变异解释 Proportion of variance (%) | 30.701 | 16.422 | 15.233 |
累计变异解释 Cumulative proportion of variance (%) | 30.701 | 47.124 | 62.357 |
Fig. 1 Estimated values and 95% confidence intervals of standardized coefficients for parameters in intraspecific trait variation and species average trait models. LA, leaf area; LCC, leaf carbon content; LNC, leaf nitrogen content; SLA, specific leaf area. CI, conspecific neighbor density index; Height, individual height; TI, heterospecific neighbor trait dissimilarity index; Trait, the trait of a species or individual; Trait:CI, the interaction between a trait and the conspecific neighbor density index; Trait:TI, the interaction between trait and the heterospecific neighbor trait dissimilarity index. AIC, Akaike Information Criterion, generally, a smaller AIC value indicates a better fit; BIC, Bayesian Information Criterion, generally, a smaller BIC value indicates a better fit. R2c, fraction of the variance explained by the fixed and random effects in the model; R2m, fraction of the variance explained by the fixed effects.
Fig. 2 Traits mediate the response of seedling survival rate to conspecific density dependence and heterospecific neighbor effects. A, The variation of survival rate with conspecific density index (CI) at different quantile of leaf area. B, The variation of survival rate with heterospecific neighbor trait distance index (TI) at different quantile of specific leaf area.
模型参数 Model parameter | LA | SLA | LCC | LNC |
---|---|---|---|---|
Height | 0.39 [-0.05, 0.84] | 0.62 [0.23, 1.00] | 0.53 [0.15, 0.90] | 0.46 [0.12, 0.82] |
TI | -0.41 [-0.76, -0.07] | -0.18 [-0.47, 0.10] | 0.05 [-0.37, 0.50] | -0.28 [-0.53, -0.03] |
CI | -0.05 [-0.31, 0.22] | -0.12 [-0.40, 0.16] | -0.10 [-0.37, 0.17] | -0.07 [-0.31, 0.18] |
Trait | 0.70 [0.06, 1.34] | 0.32 [-0.08, 0.71] | -0.66 [-1.10, -0.22] | -0.20 [-0.65, 0.01] |
PC1 | 0.51 [0.20, 0.83] | 0.48 [0.16, 0.80] | 0.58 [0.25, 0.90] | 0.52 [0.23, 0.81] |
PC2 | -0.39 [-0.70, -0.08] | -0.37 [-0.69, -0.07] | -0.34 [-0.65, -0.04] | -0.35 [-0.63, -0.07] |
PC3 | -0.07 [-0.40, 0.25] | -0.13 [-0.45, 0.20] | -0.18 [-0.51, 0.16] | -0.08 [-0.37, 0.22] |
LAI | 0.07 [-0.30, 0.44] | 0.06 [-0.28, 0.40] | 0.19 [-0.19, 0.57] | 0.08 [-0.24, 0.40] |
Trait:PC1 | 0.05 [-0.30, 0.40] | 0.33 [0.02, 0.65] | -0.47 [-0.81, -0.14] | -0.41 [-0.68, -0.14] |
Trait:PC2 | -0.21 [-0.62, 0.19] | -0.03 [-0.26, 0.22] | -0.01 [-0.31, 0.29] | -0.06 [-0.30, 0.17] |
Trait:PC3 | 0.20 [-0.14, 0.54] | 0.12 [-0.13, 0.37] | 0.09 [-0.29, 0.46] | -0.18 [-0.45, 0.08] |
Trait:LAI | 0.19 [-0.28, 0.66] | 0.06 [-0.21, 0.33] | -0.30 [-0.66, 0.06] | 0.13 [-0.14, 0.41] |
R2m | 0.23 | 0.19 | 0.30 | 0.22 |
R2c | 0.45 | 0.41 | 0.50 | 0.37 |
Table 3 Considering intraspecific trait variation, the parameter estimates and confidence intervals of the seedling survival model including neighborhood and environmental variables
模型参数 Model parameter | LA | SLA | LCC | LNC |
---|---|---|---|---|
Height | 0.39 [-0.05, 0.84] | 0.62 [0.23, 1.00] | 0.53 [0.15, 0.90] | 0.46 [0.12, 0.82] |
TI | -0.41 [-0.76, -0.07] | -0.18 [-0.47, 0.10] | 0.05 [-0.37, 0.50] | -0.28 [-0.53, -0.03] |
CI | -0.05 [-0.31, 0.22] | -0.12 [-0.40, 0.16] | -0.10 [-0.37, 0.17] | -0.07 [-0.31, 0.18] |
Trait | 0.70 [0.06, 1.34] | 0.32 [-0.08, 0.71] | -0.66 [-1.10, -0.22] | -0.20 [-0.65, 0.01] |
PC1 | 0.51 [0.20, 0.83] | 0.48 [0.16, 0.80] | 0.58 [0.25, 0.90] | 0.52 [0.23, 0.81] |
PC2 | -0.39 [-0.70, -0.08] | -0.37 [-0.69, -0.07] | -0.34 [-0.65, -0.04] | -0.35 [-0.63, -0.07] |
PC3 | -0.07 [-0.40, 0.25] | -0.13 [-0.45, 0.20] | -0.18 [-0.51, 0.16] | -0.08 [-0.37, 0.22] |
LAI | 0.07 [-0.30, 0.44] | 0.06 [-0.28, 0.40] | 0.19 [-0.19, 0.57] | 0.08 [-0.24, 0.40] |
Trait:PC1 | 0.05 [-0.30, 0.40] | 0.33 [0.02, 0.65] | -0.47 [-0.81, -0.14] | -0.41 [-0.68, -0.14] |
Trait:PC2 | -0.21 [-0.62, 0.19] | -0.03 [-0.26, 0.22] | -0.01 [-0.31, 0.29] | -0.06 [-0.30, 0.17] |
Trait:PC3 | 0.20 [-0.14, 0.54] | 0.12 [-0.13, 0.37] | 0.09 [-0.29, 0.46] | -0.18 [-0.45, 0.08] |
Trait:LAI | 0.19 [-0.28, 0.66] | 0.06 [-0.21, 0.33] | -0.30 [-0.66, 0.06] | 0.13 [-0.14, 0.41] |
R2m | 0.23 | 0.19 | 0.30 | 0.22 |
R2c | 0.45 | 0.41 | 0.50 | 0.37 |
Fig. 3 Traits mediate the response of seedling survival rate to soil element content. A, The slope of the leaf carbon content (LCC)-seedling survival rate changes along the first principle component (PC1) of soil. B, The relationship between LCC and seedling survival rate under the maximum and minimum values of PC1 of soil.
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