植物生态学报 ›› 2026, Vol. 50 ›› Issue (4): 870-882.DOI: 10.17521/cjpe.2025.0137 cstr: 32100.14.cjpe.2025.0137
李燚1,3,*, 黄欢2,*, 赵艳超1, 陈立同1,**(
)(
)
收稿日期:2025-04-14
接受日期:2025-10-17
出版日期:2026-04-20
发布日期:2026-06-25
通讯作者:
**陈立同(litong_chen@nwipb.cas.cn)作者简介:第一联系人:*同等贡献
基金资助:
LI Yi1,3,*, HUANG Huan2,*, ZHAO Yan-Chao1, CHEN Li-Tong1,**(
)(
)
Received:2025-04-14
Accepted:2025-10-17
Online:2026-04-20
Published:2026-06-25
Contact:
**CHEN Li-Tong(litong_chen@nwipb.cas.cn)About author:First author contact:*Contributed equally to this work
Supported by:摘要: 青藏高原土壤速效养分匮乏, 养分添加能通过影响不同的物种或功能群改变群落的物种多样性及组成。由于海拔梯度上具有明显的环境异质性, 群落多样性及组成对养分添加的响应可能存在着垂直分异。因此, 为更好地理解养分添加对不同海拔高寒草甸群落多样性及组成的影响, 2021-2024年, 对低(3 200 m)、中(3 700 m)、高(4 050 m) 3个海拔进行氮添加、磷添加、氮磷共同添加实验, 并在每年生物量顶峰时期进行群落调查。分别计算了物种丰富度、香农-威纳多样性指数、反辛普森指数和毗卢均匀度指数以表征群落的α多样性; 计算了群落的Bray-Curtis相似性和Jaccard相似性以表征群落的β多样性; 同时量化群落不同功能群的物种丰富度及相对多度。结果表明: 低海拔群落α多样性对养分添加不敏感。中海拔群落α多样性对养分添加的响应分异, 表现为在氮添加时降低、磷添加时不变、氮磷共同添加时增加。高海拔的α多样性在养分添加时显著增加。α多样性对养分添加的响应差异主要是由于不同功能群物种的丰富度及多度受养分添加的影响, 特别是部分稀有种的定植和局域灭绝。养分添加降低了低、中海拔群落的相似性, 但导致高海拔群落趋同, 且3个海拔的Jaccard相似性对养分添加的响应更敏感。该研究揭示了青藏高原不同海拔高寒草甸对养分添加的差异化响应, 阐明养分添加对群落多样性指标及物种组成的影响, 为区域生物多样性海拔差异化保护策略制定提供了科学依据。
李燚, 黄欢, 赵艳超, 陈立同. 养分添加对不同海拔高寒草甸物种多样性及组成的影响. 植物生态学报, 2026, 50(4): 870-882. DOI: 10.17521/cjpe.2025.0137
LI Yi, HUANG Huan, ZHAO Yan-Chao, CHEN Li-Tong. Effects of nutrient addition on species diversity and composition of alpine meadows at different altitudes. Chinese Journal of Plant Ecology, 2026, 50(4): 870-882. DOI: 10.17521/cjpe.2025.0137
| 处理 Treatment | 自由度 df | 物种丰富度 Species richness | 香农威纳多样性指数 Shannon-Weiner index | 毗卢均匀度指数 Pielou evenness index | 反辛普森指数 Invsimpson index | ||||
|---|---|---|---|---|---|---|---|---|---|
| F | p | F | p | F | p | F | p | ||
| 氮添加 N | 1 | 2.089 | 0.150 | 2.402 | 0.123 | 1.360 | 0.245 | 1.482 | 0.225 |
| 磷添加 P | 1 | 24.506 | <0.001 | 9.291 | 0.003 | 3.163 | 0.077 | 6.211 | 0.014 |
| 海拔 E | 2 | 45.611 | <0.001 | 0.734 | 0.393 | 1.465 | 0.228 | 2.534 | 0.113 |
| 年际 Y | 3 | 3.578 | 0.060 | 7.338 | 0.008 | 13.822 | <0.001 | 6.557 | 0.011 |
| N × P | 1 | 0.010 | 0.921 | 1.645 | 0.202 | 2.429 | 0.121 | 0.001 | 0.980 |
| N × E | 2 | 1.049 | 0.307 | 10.891 | 0.001 | 10.678 | 0.001 | 6.906 | 0.009 |
| P × E | 2 | 23.048 | <0.001 | 21.883 | <0.001 | 13.700 | <0.001 | 13.238 | <0.001 |
| N × Y | 3 | 0.683 | 0.410 | 0.441 | 0.508 | 0.291 | 0.591 | 0.029 | 0.864 |
| P × Y | 3 | 1.000 | 0.319 | 1.129 | 0.290 | 0.602 | 0.439 | 1.108 | 0.294 |
| E × Y | 6 | 21.433 | <0.001 | 11.054 | 0.001 | 4.915 | 0.028 | 6.492 | 0.012 |
| N × P × E | 2 | 2.190 | 0.141 | 3.590 | 0.060 | 2.666 | 0.105 | 1.072 | 0.302 |
| N × P × Y | 3 | 4.822 | 0.030 | 3.483 | 0.064 | 1.798 | 0.182 | 0.686 | 0.409 |
| N × E × Y | 6 | 0.753 | 0.387 | 0.644 | 0.423 | 0.457 | 0.500 | 0 | 0.995 |
| P × E × Y | 6 | 6.619 | 0.011 | 4.422 | 0.037 | 2.265 | 0.134 | 3.202 | 0.076 |
| N × P × E × Y | 6 | 0.548 | 0.460 | 0.003 | 0.959 | 0.088 | 0.768 | 0.012 | 0.914 |
表1 氮添加、磷添加、海拔和年际对群落α多样性的线性混合模型分析结果
Table 1 Results of linear mixed model on the effects of nitrogen addition, phosphorus addition, elevation, year and their interactions on taxonomic α diversity
| 处理 Treatment | 自由度 df | 物种丰富度 Species richness | 香农威纳多样性指数 Shannon-Weiner index | 毗卢均匀度指数 Pielou evenness index | 反辛普森指数 Invsimpson index | ||||
|---|---|---|---|---|---|---|---|---|---|
| F | p | F | p | F | p | F | p | ||
| 氮添加 N | 1 | 2.089 | 0.150 | 2.402 | 0.123 | 1.360 | 0.245 | 1.482 | 0.225 |
| 磷添加 P | 1 | 24.506 | <0.001 | 9.291 | 0.003 | 3.163 | 0.077 | 6.211 | 0.014 |
| 海拔 E | 2 | 45.611 | <0.001 | 0.734 | 0.393 | 1.465 | 0.228 | 2.534 | 0.113 |
| 年际 Y | 3 | 3.578 | 0.060 | 7.338 | 0.008 | 13.822 | <0.001 | 6.557 | 0.011 |
| N × P | 1 | 0.010 | 0.921 | 1.645 | 0.202 | 2.429 | 0.121 | 0.001 | 0.980 |
| N × E | 2 | 1.049 | 0.307 | 10.891 | 0.001 | 10.678 | 0.001 | 6.906 | 0.009 |
| P × E | 2 | 23.048 | <0.001 | 21.883 | <0.001 | 13.700 | <0.001 | 13.238 | <0.001 |
| N × Y | 3 | 0.683 | 0.410 | 0.441 | 0.508 | 0.291 | 0.591 | 0.029 | 0.864 |
| P × Y | 3 | 1.000 | 0.319 | 1.129 | 0.290 | 0.602 | 0.439 | 1.108 | 0.294 |
| E × Y | 6 | 21.433 | <0.001 | 11.054 | 0.001 | 4.915 | 0.028 | 6.492 | 0.012 |
| N × P × E | 2 | 2.190 | 0.141 | 3.590 | 0.060 | 2.666 | 0.105 | 1.072 | 0.302 |
| N × P × Y | 3 | 4.822 | 0.030 | 3.483 | 0.064 | 1.798 | 0.182 | 0.686 | 0.409 |
| N × E × Y | 6 | 0.753 | 0.387 | 0.644 | 0.423 | 0.457 | 0.500 | 0 | 0.995 |
| P × E × Y | 6 | 6.619 | 0.011 | 4.422 | 0.037 | 2.265 | 0.134 | 3.202 | 0.076 |
| N × P × E × Y | 6 | 0.548 | 0.460 | 0.003 | 0.959 | 0.088 | 0.768 | 0.012 | 0.914 |
| 海拔 Elevation (m) | 处理 Treatment | 自由度 df | 物种丰富度 Species richness | 香农威纳多样性指数 Shannon-Weiner index | 毗卢均匀度指数 Pielou evenness index | 反辛普森指数 Invsimpson index | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| F | p | F | p | F | p | F | p | |||
| 3 200 | 氮添加 N | 1 | 1.335 | 0.278 | 6.157 | 0.035 | 6.239 | 0.034 | 3.100 | 0.112 |
| 磷添加 P | 1 | 0.649 | 0.441 | 0.882 | 0.372 | 0.747 | 0.410 | 0.503 | 0.496 | |
| 年际 Y | 3 | 14.429 | <0.001 | 20.549 | <0.001 | 14.866 | <0.001 | 13.169 | <0.001 | |
| N × P | 1 | 0.148 | 0.709 | 0.157 | 0.701 | 0.419 | 0.534 | 0.841 | 0.383 | |
| N × Y | 3 | 0.814 | 0.372 | 1.075 | 0.305 | 0.968 | 0.330 | 0.012 | 0.915 | |
| P × Y | 3 | 2.890 | 0.096 | 1.737 | 0.194 | 0.942 | 0.337 | 1.076 | 0.305 | |
| N × P × Y | 3 | 1.748 | 0.193 | 2.723 | 0.106 | 2.024 | 0.162 | 0.819 | 0.370 | |
| 3 700 | N | 1 | 0.454 | 0.517 | 0.554 | 0.476 | 0.334 | 0.578 | 0.120 | 0.737 |
| P | 1 | 2.345 | 0.160 | 1.775 | 0.215 | 0.853 | 0.380 | 2.261 | 0.167 | |
| Y | 3 | 26.243 | <0.001 | 0.024 | 0.877 | 2.663 | 0.110 | 1.024 | 0.317 | |
| N × P | 1 | 3.605 | 0.090 | 1.749 | 0.219 | 0.436 | 0.526 | 4.686 | 0.059 | |
| N × Y | 3 | 2.203 | 0.145 | 0.044 | 0.834 | 0.056 | 0.814 | 0.006 | 0.938 | |
| P × Y | 3 | 2.496 | 0.121 | 3.276 | 0.077 | 2.050 | 0.159 | 2.010 | 0.163 | |
| N × P × Y | 3 | 0.057 | 0.812 | 0.051 | 0.822 | 0.167 | 0.684 | 0.434 | 0.514 | |
| 4 050 | N | 1 | 3.154 | 0.109 | 1.661 | 0.230 | 1.144 | 0.313 | 0.654 | 0.439 |
| P | 1 | 19.193 | 0.002 | 9.929 | 0.012 | 6.027 | 0.036 | 8.982 | 0.015 | |
| Y | 3 | 6.608 | 0.014 | 0.002 | 0.968 | 1.049 | 0.311 | 0.004 | 0.951 | |
| N × P | 1 | 5.061 | 0.051 | 5.523 | 0.043 | 4.868 | 0.055 | 4.311 | 0.068 | |
| N × Y | 3 | 0.280 | 0.600 | 0.007 | 0.936 | 0.027 | 0.871 | 0.016 | 0.900 | |
| P × Y | 3 | 3.805 | 0.057 | 2.569 | 0.116 | 1.190 | 0.281 | 2.340 | 0.133 | |
| N × P × Y | 3 | 5.531 | 0.023 | 3.721 | 0.060 | 1.933 | 0.171 | 1.769 | 0.190 | |
表2 不同海拔高度下氮添加、磷添加和年际对群落α多样性的线性混合模型分析结果
Table 2 Results of linear mixed model on the effects of nitrogen addition, phosphorus addition, year and their interactions on taxonomic alpha diversity at different elevations
| 海拔 Elevation (m) | 处理 Treatment | 自由度 df | 物种丰富度 Species richness | 香农威纳多样性指数 Shannon-Weiner index | 毗卢均匀度指数 Pielou evenness index | 反辛普森指数 Invsimpson index | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| F | p | F | p | F | p | F | p | |||
| 3 200 | 氮添加 N | 1 | 1.335 | 0.278 | 6.157 | 0.035 | 6.239 | 0.034 | 3.100 | 0.112 |
| 磷添加 P | 1 | 0.649 | 0.441 | 0.882 | 0.372 | 0.747 | 0.410 | 0.503 | 0.496 | |
| 年际 Y | 3 | 14.429 | <0.001 | 20.549 | <0.001 | 14.866 | <0.001 | 13.169 | <0.001 | |
| N × P | 1 | 0.148 | 0.709 | 0.157 | 0.701 | 0.419 | 0.534 | 0.841 | 0.383 | |
| N × Y | 3 | 0.814 | 0.372 | 1.075 | 0.305 | 0.968 | 0.330 | 0.012 | 0.915 | |
| P × Y | 3 | 2.890 | 0.096 | 1.737 | 0.194 | 0.942 | 0.337 | 1.076 | 0.305 | |
| N × P × Y | 3 | 1.748 | 0.193 | 2.723 | 0.106 | 2.024 | 0.162 | 0.819 | 0.370 | |
| 3 700 | N | 1 | 0.454 | 0.517 | 0.554 | 0.476 | 0.334 | 0.578 | 0.120 | 0.737 |
| P | 1 | 2.345 | 0.160 | 1.775 | 0.215 | 0.853 | 0.380 | 2.261 | 0.167 | |
| Y | 3 | 26.243 | <0.001 | 0.024 | 0.877 | 2.663 | 0.110 | 1.024 | 0.317 | |
| N × P | 1 | 3.605 | 0.090 | 1.749 | 0.219 | 0.436 | 0.526 | 4.686 | 0.059 | |
| N × Y | 3 | 2.203 | 0.145 | 0.044 | 0.834 | 0.056 | 0.814 | 0.006 | 0.938 | |
| P × Y | 3 | 2.496 | 0.121 | 3.276 | 0.077 | 2.050 | 0.159 | 2.010 | 0.163 | |
| N × P × Y | 3 | 0.057 | 0.812 | 0.051 | 0.822 | 0.167 | 0.684 | 0.434 | 0.514 | |
| 4 050 | N | 1 | 3.154 | 0.109 | 1.661 | 0.230 | 1.144 | 0.313 | 0.654 | 0.439 |
| P | 1 | 19.193 | 0.002 | 9.929 | 0.012 | 6.027 | 0.036 | 8.982 | 0.015 | |
| Y | 3 | 6.608 | 0.014 | 0.002 | 0.968 | 1.049 | 0.311 | 0.004 | 0.951 | |
| N × P | 1 | 5.061 | 0.051 | 5.523 | 0.043 | 4.868 | 0.055 | 4.311 | 0.068 | |
| N × Y | 3 | 0.280 | 0.600 | 0.007 | 0.936 | 0.027 | 0.871 | 0.016 | 0.900 | |
| P × Y | 3 | 3.805 | 0.057 | 2.569 | 0.116 | 1.190 | 0.281 | 2.340 | 0.133 | |
| N × P × Y | 3 | 5.531 | 0.023 | 3.721 | 0.060 | 1.933 | 0.171 | 1.769 | 0.190 | |
图1 2021-2024年无养分添加(CK)、氮添加(N)、磷添加(P)、氮磷共同添加(NP)对3个海拔植物群落α多样性的影响(平均值±标准误)。不同小写字母表示4种养分处理对α多样性影响的差异显著(p < 0.05)。
Fig. 1 Effects of no nutrient addition (CK), nitrogen addition (N), phosphorus addition (P), and combined nitrogen and phosphorus addition (NP) on the α diversity of plant communities at three altitudes from 2021 to 2024 (mean ± SE). Different lowercase letters indicate the significance of differences in the effects of the four nutrient treatments on α diversity indices (p < 0.05).
图2 2021-2024年无养分添加(CK)、氮添加(N)、磷添加(P)、氮磷共同添加(NP)对3个海拔植物功能群相对多度的影响(平均值±标准误)。不同小写字母表示4种养分处理对功能群相对多度影响的差异显著(p < 0.05)。
Fig. 2 Effects of no nutrient addition (CK), nitrogen addition (N), phosphorus addition (P), and combined nitrogen and phosphorus addition (NP) on the relative abundance of plant functional groups at three altitudes from 2021 to 2024 (mean ± SE). Different lowercase letters indicate the significance of differences in the effects of the four nutrient treatments on the relative abundance of plant functional groups (p < 0.05).
图3 2021-2024年无养分添加(CK)、氮添加(N)、磷添加(P)、氮磷共同添加(NP)对3个海拔植物功能群物种丰富度的影响(平均值±标准误)。不同小写字母表示4种养分处理对功能群物种丰富度影响的差异显著(p < 0.05)。
Fig. 3 Effects of no nutrient addition (CK), nitrogen addition (N), phosphorus addition (P), and combined nitrogen and phosphorus addition (NP) on species richness of plant functional groups at three altitudes from 2021 to 2024 (mean ± SE). Different lowercase letters indicate the significance of differences in the effects of the four nutrient treatments on species richness of plant functional groups (p < 0.05).
| 处理 Treatment | 自由度 df | Bray-Curtis相似性 Bray-Curtis similarity | Jaccard相似性 Jaccard similarity | ||||
|---|---|---|---|---|---|---|---|
| R2 | F | p | R2 | F | p | ||
| 氮添加 N | 1 | 0.01 | 3.61 | 0.001 | 0 | 1.48 | 0.166 |
| 磷添加 P | 1 | 0.03 | 14.02 | 0.001 | 0.01 | 7.84 | 0.001 |
| 年际 Y | 3 | 0.14 | 22.45 | 0.001 | 0.13 | 35.05 | 0.001 |
| 海拔 E | 2 | 0.24 | 58.13 | 0.001 | 0.54 | 213.51 | 0.001 |
| N × P | 1 | 0.01 | 2.81 | 0.004 | 0 | 1.50 | 0.174 |
| N × Y | 3 | 0.01 | 1.23 | 0.171 | 0 | 0.81 | 0.648 |
| P × Y | 3 | 0.02 | 2.66 | 0.001 | 0.01 | 1.34 | 0.160 |
| N × E | 2 | 0.01 | 2.09 | 0.002 | 0 | 1.42 | 0.154 |
| P × E | 2 | 0.03 | 6.16 | 0.001 | 0.01 | 2.73 | 0.007 |
| Y × E | 6 | 0.15 | 12.20 | 0.001 | 0.09 | 11.75 | 0.001 |
| N × P × Y | 3 | 0.01 | 0.80 | 0.796 | 0 | 0.87 | 0.559 |
| N × P × E | 2 | 0.01 | 1.72 | 0.017 | 0.01 | 2.14 | 0.023 |
| N × Y × E | 6 | 0.01 | 1.06 | 0.336 | 0.01 | 0.76 | 0.828 |
| P × Y × E | 6 | 0.03 | 2.10 | 0.001 | 0.01 | 1.04 | 0.378 |
| N × P × Y × E | 6 | 0.01 | 0.73 | 0.966 | 0 | 0.44 | 1.000 |
表3 海拔、养分、年际对植物群落物种组成的多元置换方差分析
Table 3 Results of PERMANOVA on the effect of elevation, fertilizer, year and their interactions on community composition
| 处理 Treatment | 自由度 df | Bray-Curtis相似性 Bray-Curtis similarity | Jaccard相似性 Jaccard similarity | ||||
|---|---|---|---|---|---|---|---|
| R2 | F | p | R2 | F | p | ||
| 氮添加 N | 1 | 0.01 | 3.61 | 0.001 | 0 | 1.48 | 0.166 |
| 磷添加 P | 1 | 0.03 | 14.02 | 0.001 | 0.01 | 7.84 | 0.001 |
| 年际 Y | 3 | 0.14 | 22.45 | 0.001 | 0.13 | 35.05 | 0.001 |
| 海拔 E | 2 | 0.24 | 58.13 | 0.001 | 0.54 | 213.51 | 0.001 |
| N × P | 1 | 0.01 | 2.81 | 0.004 | 0 | 1.50 | 0.174 |
| N × Y | 3 | 0.01 | 1.23 | 0.171 | 0 | 0.81 | 0.648 |
| P × Y | 3 | 0.02 | 2.66 | 0.001 | 0.01 | 1.34 | 0.160 |
| N × E | 2 | 0.01 | 2.09 | 0.002 | 0 | 1.42 | 0.154 |
| P × E | 2 | 0.03 | 6.16 | 0.001 | 0.01 | 2.73 | 0.007 |
| Y × E | 6 | 0.15 | 12.20 | 0.001 | 0.09 | 11.75 | 0.001 |
| N × P × Y | 3 | 0.01 | 0.80 | 0.796 | 0 | 0.87 | 0.559 |
| N × P × E | 2 | 0.01 | 1.72 | 0.017 | 0.01 | 2.14 | 0.023 |
| N × Y × E | 6 | 0.01 | 1.06 | 0.336 | 0.01 | 0.76 | 0.828 |
| P × Y × E | 6 | 0.03 | 2.10 | 0.001 | 0.01 | 1.04 | 0.378 |
| N × P × Y × E | 6 | 0.01 | 0.73 | 0.966 | 0 | 0.44 | 1.000 |
| 海拔 Elevation (m) | 处理 Treatment | 自由度 df | Bray-Curtis相似性 Bray-Curtis similarity | Jaccard相似性 Jaccard similarity | ||||
|---|---|---|---|---|---|---|---|---|
| R2 | F | p | R2 | F | p | |||
| 3 200 | 氮添加 N | 1 | 0.02 | 2.71 | 0.031 | 0.01 | 1.73 | 0.125 |
| 磷添加 P | 1 | 0.10 | 14.73 | 0.001 | 0.01 | 1.81 | 0.096 | |
| 年际 Y | 3 | 0.44 | 21.74 | 0.001 | 0.53 | 21.95 | 0.001 | |
| N × P | 1 | 0.01 | 1.76 | 0.103 | 0.01 | 0.88 | 0.452 | |
| N × Y | 3 | 0.02 | 1.01 | 0.397 | 0.02 | 0.76 | 0.685 | |
| P × Y | 3 | 0.06 | 3.09 | 0.003 | 0.02 | 0.70 | 0.723 | |
| N × P × Y | 3 | 0.02 | 1.11 | 0.331 | 0.01 | 0.62 | 0.817 | |
| 3 700 | N | 1 | 0.01 | 1.65 | 0.081 | 0.01 | 0.85 | 0.565 |
| P | 1 | 0.06 | 7.23 | 0.001 | 0.03 | 3.46 | 0.002 | |
| Y | 3 | 0.38 | 14.58 | 0.001 | 0.44 | 16.21 | 0.001 | |
| N × P | 1 | 0.02 | 2.00 | 0.039 | 0.02 | 2.20 | 0.026 | |
| N × Y | 3 | 0.02 | 0.82 | 0.723 | 0.02 | 0.77 | 0.776 | |
| P × Y | 3 | 0.06 | 2.20 | 0.003 | 0.03 | 0.98 | 0.491 | |
| N × P × Y | 3 | 0.02 | 0.66 | 0.938 | 0.01 | 0.43 | 0.997 | |
| 4 050 | N | 1 | 0.03 | 3.40 | 0.002 | 0.01 | 1.92 | 0.070 |
| P | 1 | 0.06 | 6.18 | 0.001 | 0.05 | 7.10 | 0.001 | |
| Y | 3 | 0.34 | 12.42 | 0.001 | 0.49 | 21.75 | 0.001 | |
| N × P | 1 | 0.02 | 2.39 | 0.021 | 0.02 | 2.24 | 0.036 | |
| N × Y | 3 | 0.04 | 1.47 | 0.079 | 0.02 | 0.79 | 0.733 | |
| P × Y | 3 | 0.05 | 1.83 | 0.022 | 0.04 | 1.60 | 0.045 | |
| N × P × Y | 3 | 0.02 | 0.60 | 0.959 | 0.02 | 0.73 | 0.822 | |
表4 养分、年际对3个海拔植物群落物种组成的多元置换方差分析
Table 4 Results of PERMANOVA on the effect of fertilizer, year and their interactions on community composition of three elevation
| 海拔 Elevation (m) | 处理 Treatment | 自由度 df | Bray-Curtis相似性 Bray-Curtis similarity | Jaccard相似性 Jaccard similarity | ||||
|---|---|---|---|---|---|---|---|---|
| R2 | F | p | R2 | F | p | |||
| 3 200 | 氮添加 N | 1 | 0.02 | 2.71 | 0.031 | 0.01 | 1.73 | 0.125 |
| 磷添加 P | 1 | 0.10 | 14.73 | 0.001 | 0.01 | 1.81 | 0.096 | |
| 年际 Y | 3 | 0.44 | 21.74 | 0.001 | 0.53 | 21.95 | 0.001 | |
| N × P | 1 | 0.01 | 1.76 | 0.103 | 0.01 | 0.88 | 0.452 | |
| N × Y | 3 | 0.02 | 1.01 | 0.397 | 0.02 | 0.76 | 0.685 | |
| P × Y | 3 | 0.06 | 3.09 | 0.003 | 0.02 | 0.70 | 0.723 | |
| N × P × Y | 3 | 0.02 | 1.11 | 0.331 | 0.01 | 0.62 | 0.817 | |
| 3 700 | N | 1 | 0.01 | 1.65 | 0.081 | 0.01 | 0.85 | 0.565 |
| P | 1 | 0.06 | 7.23 | 0.001 | 0.03 | 3.46 | 0.002 | |
| Y | 3 | 0.38 | 14.58 | 0.001 | 0.44 | 16.21 | 0.001 | |
| N × P | 1 | 0.02 | 2.00 | 0.039 | 0.02 | 2.20 | 0.026 | |
| N × Y | 3 | 0.02 | 0.82 | 0.723 | 0.02 | 0.77 | 0.776 | |
| P × Y | 3 | 0.06 | 2.20 | 0.003 | 0.03 | 0.98 | 0.491 | |
| N × P × Y | 3 | 0.02 | 0.66 | 0.938 | 0.01 | 0.43 | 0.997 | |
| 4 050 | N | 1 | 0.03 | 3.40 | 0.002 | 0.01 | 1.92 | 0.070 |
| P | 1 | 0.06 | 6.18 | 0.001 | 0.05 | 7.10 | 0.001 | |
| Y | 3 | 0.34 | 12.42 | 0.001 | 0.49 | 21.75 | 0.001 | |
| N × P | 1 | 0.02 | 2.39 | 0.021 | 0.02 | 2.24 | 0.036 | |
| N × Y | 3 | 0.04 | 1.47 | 0.079 | 0.02 | 0.79 | 0.733 | |
| P × Y | 3 | 0.05 | 1.83 | 0.022 | 0.04 | 1.60 | 0.045 | |
| N × P × Y | 3 | 0.02 | 0.60 | 0.959 | 0.02 | 0.73 | 0.822 | |
图4 2021-2024年无养分添加(CK)、氮添加(N)、磷添加(P)、氮磷共同添加(NP)对3个海拔植物β多样性的影响(平均值±标准误)。不同小写字母表示4种养分处理对功能群β多样性影响的差异显著(p < 0.05)。
Fig. 4 Effects of no nutrient addition (CK), nitrogen addition (N), phosphorus addition (P), and combined nitrogen and phosphorus addition (NP) on β-diversity at three altitudes from 2021 to 2024 (mean ± SE). Different lowercase letters indicate the significance of differences in the effects of the four nutrient treatments on β-diversity of plant functional groups (p < 0.05).
| [1] |
Atkin OK (1996). Reassessing the nitrogen relations of Arctic plants: a mini-review. Plant, Cell & Environment, 19, 695-704.
DOI URL |
| [2] | Band N, Kadmon R, Mandel M, DeMalach N (2022). Assessing the roles of nitrogen, biomass, and niche dimensionality as drivers of species loss in grassland communities. Proceedings of the National Academy of Sciences of the United States of America, 119, e2112010119. DOI: 10.1073/pnas.2112010119. |
| [3] | Bookhagen B, Burbank DW (2010). Toward a complete Himalayan hydrological budget: spatiotemporal distribution of snowmelt and rainfall and their impact on river discharge. Journal of Geophysical Research: Earth Surface, 115, 2009JF001426. DOI: 10.1029/2009JF001426. |
| [4] |
Borer ET, Seabloom EW, Gruner DS, Harpole WS, Hillebrand H, Lind EM, Adler PB, Alberti J, Anderson TM, Bakker JD, Biederman L, Blumenthal D, Brown CS, Brudvig LA, Buckley YM, et al. (2014). Herbivores and nutrients control grassland plant diversity via light limitation. Nature, 508, 517-520.
DOI |
| [5] |
Chai X, Li YN, Duan C, Zhang T, Zong N, Shi PL, He YT, Zhang XZ (2018). CO2 flux dynamics and its limiting factors in the alpine shrub-meadow and steppe-meadow on the Qinghai-Xizang Plateau. Chinese Journal of Plant Ecology, 42, 6-19.
DOI URL |
|
[柴曦, 李英年, 段呈, 张涛, 宗宁, 石培礼, 何永涛, 张宪洲 (2018). 青藏高原高寒灌丛草甸和草原化草甸CO2通量动态及其限制因子. 植物生态学报, 42, 6-19.]
DOI |
|
| [6] |
Ceulemans T, Bodé S, Bollyn J, Harpole S, Coorevits K, Peeters G, van Acker K, Smolders E, Boeckx P, Honnay O (2017). Phosphorus resource partitioning shapes phosphorus acquisition and plant species abundance in grasslands. Nature Plants, 3, 16224. DOI: 10.1038/nplants.2016.224.
PMID |
| [7] | Christian K (2021). Alpine Plant Life. Springer Nature, Cham, Switzerland. |
| [8] | Chu CC, Wang Y, Wang ET (2021). Improving the utilization efficiency of nitrogen, phosphorus and potassium: current situation and future perspectives. Scientia Sinica (Vitae), 51, 1415-1423. |
| [储成才, 王毅, 王二涛 (2021). 植物氮磷钾养分高效利用研究现状与展望. 中国科学: 生命科学, 51, 1415-1423.] | |
| [9] |
Dong SK (2023). Revitalizing the grassland on the Qinghai-Tibetan Plateau. Grassland Research, 2, 241-250.
DOI URL |
| [10] |
Fang JY, Wang XP, Shen ZH, Tang ZY, He JS, Yu D, Jiang Y, Wang ZH, Zheng CY, Zhu JL, Guo ZD (2009). Methods and protocols for plant community inventory. Biodiversity Science, 17, 533-548.
DOI |
|
[方精云, 王襄平, 沈泽昊, 唐志尧, 贺金生, 于丹, 江源, 王志恒, 郑成洋, 朱江玲, 郭兆迪 (2009). 植物群落清查的主要内容、方法和技术规范. 生物多样性, 17, 533-548.]
DOI |
|
| [11] | Fu BJ, Ouyang ZY, Shi P, Fan J, Wang XD, Zheng H, Zhao WW, Wu F (2021). Current condition and protection strategies of Qinghai-Tibet Plateau ecological security barrier. Bulletin of Chinese Academy of Sciences, 36, 1298-1306. |
| [傅伯杰, 欧阳志云, 施鹏, 樊杰, 王小丹, 郑华, 赵文武, 吴飞 (2021). 青藏高原生态安全屏障状况与保护对策. 中国科学院院刊, 36, 1298-1306.] | |
| [12] | Fu BJ, Liu YX, Zhao WW, Feng XM, Liu SL, Miao CY, Wang XH, He CY, Li CJ, Ye AZ, Hu ZM, Liu ZF, Zhou DY (2024). Optimization for Qinghai-Xizang Plateau ecological security barrier system. Bulletin of Chinese Academy of Sciences, 39, 1882-1893. |
| [傅伯杰, 刘焱序, 赵文武, 冯晓明, 刘世梁, 缪驰远, 王旭辉, 何春阳, 李长嘉, 叶爱中, 胡中民, 刘志锋, 周丁扬 (2024). 青藏高原生态安全屏障体系优化. 中国科学院院刊, 39, 1882-1893.] | |
| [13] |
Ganjurjav H, Gornish E, Hu GZ, Wu JS, Wan YF, Li Y, Gao QZ, Lamb E (2020). Phenological changes offset the warming effects on biomass production in an alpine meadow on the Qinghai-Tibetan Plateau. Journal of Ecology, 109, 1014-1025.
DOI URL |
| [14] |
Harpole WS, Tilman D (2007). Grassland species loss resulting from reduced niche dimension. Nature, 446, 791-793.
DOI |
| [15] |
Hautier Y, Niklaus PA, Hector A (2009). Competition for light causes plant biodiversity loss after eutrophication. Science, 324, 636-638.
DOI PMID |
| [16] |
Harpole WS, Sullivan LL, Lind EM, Firn J, Adler PB, Borer ET, Chase J, Fay PA, Hautier Y, Hillebrand H, MacDougall AS, Seabloom EW, Williams R, Bakker JD, Cadotte MW, et al. (2016). Addition of multiple limiting resources reduces grassland diversity. Nature, 537, 93-96.
DOI |
| [17] |
Hong JT, Wang XD, Wu JB (2015). Effects of soil fertility on the N:P stoichiometry of herbaceous plants on a nutrient-limited alpine steppe on the northern Tibetan Plateau. Plant and Soil, 391, 179-194.
DOI URL |
| [18] | Hou XK, Kou D, Hirota M, Guo T, Lang T, Yang Y (2023). Altitudinal variations of the rate and temperature sensitivity of soil nitrogen mineralization on the Qinghai-Tibetan Plateau. Journal of Plant Ecology, 16, rtad005. DOI: 10.1093/jpe/rtad005. |
| [19] |
Hurlbert SH (1971). The nonconcept of species diversity: a critique and alternative parameters. Ecology, 52, 577-586.
DOI PMID |
| [20] |
Jin Y, Qian H (2022). V. PhyloMaker2: an updated and enlarged R package that can generate very large phylogenies for vascular plants. Plant Diversity, 44, 335-339.
DOI |
| [21] |
Jost L (2007). Partitioning diversity into independent alpha and beta components. Ecology, 88, 2427-2439.
DOI URL |
| [22] | Lei SL, Liao LR, Wang J, Zhang L, Ye ZC, Liu GB, Zhang C (2023). The diversity-Godron stability relationship of alpine grassland and its environmental drivers. Acta Prataculturae Sinica, 32(3), 1-12. |
|
[雷石龙, 廖李容, 王杰, 张路, 叶振城, 刘国彬, 张超 (2023). 高寒草地植物多样性与Godron群落稳定性关系及其环境驱动因素. 草业学报, 32(3), 1-12.]
DOI |
|
| [23] | Li Y, Lin L, Zhu WY, Zhang ZH, He JS (2017). Responses of leaf traits to nitrogen and phosphorus additions across common species in an alpine grassland on the Qinghai-Tibetan Plateau. Acta Scientiarum Naturalium Universitatis Pekinensis, 53, 535-544. |
| [李颖, 林笠, 朱文琰, 张振华, 贺金生 (2017). 青藏高原高寒草地常见植物叶属性对氮、磷添加的响应. 北京大学学报(自然科学版), 53, 535-544.] | |
| [24] |
Liu Y, He NP, Wen XF, Xu L, Sun XM, Yu GR, Liang LY, Schipper LA (2018). The optimum temperature of soil microbial respiration: patterns and controls. Soil Biology & Biochemistry, 121, 35-42.
DOI URL |
| [25] |
Liu WX, Liu LL, Yang X, Deng MF, Wang Z, Wang PD, Yang S, Li P, Peng ZY, Yang L, Jiang L (2021). Long-term nitrogen input alters plant and soil bacterial, but not fungal beta diversity in a semiarid grassland. Global Change Biology, 27, 3939-3950.
DOI URL |
| [26] |
McKinney ML, Lockwood JL (1999). Biotic homogenization: a few winners replacing many losers in the next mass extinction. Trends in Ecology & Evolution, 14, 450-453.
DOI URL |
| [27] | Oldroyd GED, Leyser O (2020). A plant’s diet, surviving in a variable nutrient environment. Science, 368, eaba0196. DOI: 10.1126/science.aba0196. |
| [28] | Peng Y, Yang JX, Seabloom EW, Leitch AR, Leitch IJ, Wang RZ, Wei CZ, Han XG (2024). Nutrient effects on plant diversity loss arise from nutrient identity and decreasing niche dimension. Ecology, 106, e4496. DOI: 10.1002/ecy.4496. |
| [29] | Peng Y, Yang JX, Seabloom EW, Sardans J, Peñuelas J, Zhang HY, Wei CZ, Han XG (2025). Multiple nutrient additions homogenize multidimensional plant stoichiometry in a meadow steppe. Global Change Biology, 31, e70123. DOI: 10.1111/gcb.70123. |
| [30] | Pepin N, Bradley RS, Diaz HF, Baraer M, Caceres EB, Forsythe N, Fowler H, Greenwood G, Hashmi MZ, Liu XD, Miller JR, Ning L, Ohmura A, Palazzi E, Rangwala I, et al. (2015). Elevation-dependent warming in mountain regions of the world. Nature Climate Change, 5, 424-430. |
| [31] | Qi ZY, Lv YX, Liu W, Sun JM, Wang J, Pan QM (2023). Mechanism for the restoration of degraded typical steppe by nitrogen and phosphorus co-addition. Chinese Journal of Applied Ecology, 34, 75-82. |
|
[戚智彦, 吕亚香, 刘伟, 孙佳美, 王璟, 潘庆民 (2023). 氮磷养分共同添加促进退化典型草原恢复的机制. 应用生态学报, 34, 75-82.]
DOI |
|
| [32] |
Qiu J (2008). China: the third pole. Nature, 454, 393-396.
DOI |
| [33] |
Ren F, Song WM, Chen LT, Mi ZR, Zhang ZH, Zhu WY, Zhou HK, Cao GM, He JS (2017). Phosphorus does not alleviate the negative effect of nitrogen enrichment on legume performance in an alpine grassland. Journal of Plant Ecology, 10, 822-830.
DOI |
| [34] |
Socolar JB, Gilroy JJ, Kunin WE, Edwards DP (2016). How should beta-diversity inform biodiversity conservation? Trends in Ecology & Evolution, 31, 67-80.
DOI URL |
| [35] | Stotz GC, Gianoli E, Cahill Jr JF (2019). Biotic homogenization within and across eight widely distributed grasslands following invasion by Bromus inermis. Ecology, 100, e02717. DOI: 10.1002/ecy.2717. |
| [36] |
Sundqvist MK, Giesler R, Graae BJ, Wallander H, Fogelberg E, Wardle DA (2011). Interactive effects of vegetation type and elevation on aboveground and belowground properties in a subarctic tundra. Oikos, 120, 128-142.
DOI URL |
| [37] | Tognetti PM, Prober SM, Báez S, Chaneton EJ, Firn J, Risch AC, Schuetz M, Simonsen AK, Yahdjian L, Borer ET, Seabloom EW, Arnillas CA, Bakker JD, Brown CS, Cadotte MW, et al. (2021). Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide. Proceedings of the National Academy of Sciences of the United States of America, 118, e2023718118. DOI: 10.1073/pnas.2023718118. |
| [38] | Wang DJ, Zhou HK, Yao BQ, Wang WY, Dong SK, Shang ZH, She YD, Ma L, Huang XT, Zhang ZH, Zhang Q, Zhao FY, Zuo J, Mao Z (2020). Effects of nutrient addition on degraded alpine grasslands of the Qinghai-Tibetan Plateau: a meta-analysis. Agriculture, Ecosystems & Environment, 301, 106970. DOI: 10.1016/j.agee.2020.106970. |
| [39] |
Wang L, Shi JJ, Dong QM, Yin YL, Wang XL, Yu Y, Zhang CP (2019). Effects of nitrogen and phosphorus addition on community diversity and biomass of alpine steppe. Acta Agrestia Sinica, 27, 1633-1642.
DOI |
|
[王玲, 施建军, 董全民, 尹亚丽, 王晓丽, 俞旸, 张春平 (2019). 氮、磷添加对高寒草原群落多样性和生物量的影响. 草地学报, 27, 1633-1642.]
DOI |
|
| [40] | Wilcots ME, Schroeder KM, Henning JA, Seabloom EW, Hobbie SE, Borer ET (2025). Alleviation of nutrient co-limitation increases grassland biomass production, but not carbon storage. Ecosystems, 28, 11. DOI: 10.1007/s10021-024-00956-3. |
| [41] |
Xu SB, Dai ZH, Guo PF, Fu XC, Liu SS, Zhou L, Tang WL, Feng TZ, Chen MJ, Zhan L, Wu TZ, Hu EQ, Jiang Y, Bo XC, Yu GC (2021). ggtreeExtra: compact visualization of richly annotated phylogenetic data. Molecular Biology and Evolution, 38, 4039-4042.
DOI PMID |
| [42] |
Yang XX, Ren F, Zhou HK, He JS (2014). Responses of plant community biomass to nitrogen and phosphorus additions in an alpine meadow on the Qinghai-Xizang Plateau. Chinese Journal of Plant Ecology, 38, 159-166.
DOI URL |
|
[杨晓霞, 任飞, 周华坤, 贺金生 (2014). 青藏高原高寒草甸植物群落生物量对氮、磷添加的响应. 植物生态学报, 38, 159-166.]
DOI |
|
| [43] | Zong N, Shi PL, Niu B, Jiang J, Song MH, Zhang XZ, He YT (2014). Effects of nitrogen and phosphorous fertilization on community structure and productivity of degraded alpine meadows in northern Tibet, China. Chinese Journal of Applied Ecology, 25, 3458-3468. |
| [宗宁, 石培礼, 牛犇, 蒋婧, 宋明华, 张宪洲, 何永涛 (2014). 氮磷配施对藏北退化高寒草甸群落结构和生产力的影响. 应用生态学报, 25, 3458-3468.] | |
| [44] | Zhao XQ, Zhou XM (1999). Ecological basis of alpine meadow ecosystem management in Tibet: Haibei alpine meadow ecosystem research station. AMBIO, 28, 642-647. |
| [赵新全, 周兴民 (1999). 青藏高原高寒草甸生态系统管理的生态学基础: 海北高寒草甸生态系统研究站. 人类环境杂志, 28, 642-647.] | |
| [45] | Zhang YL, Li BY, Zheng D (2002). A discussion on the boundary and area of the Tibetan Plateau in China. Geographical Research, 21, 1-8. |
| [张镱锂, 李炳元, 郑度 (2002). 论青藏高原范围与面积. 地理研究, 21, 1-8.] | |
| [46] | Zhou JJ, Liu YF, Wang JL, Wei W (2023). Effect of short-term nutrient addition on aboveground biomass, plant diversity, and functional traits of swampy alpine meadow in Tibet. Acta Prataculturae Sinica, 32(11), 17-29. |
|
[周娟娟, 刘云飞, 王敬龙, 魏巍 (2023). 短期养分添加对西藏沼泽化高寒草甸地上生物量、植物多样性和功能性状的影响. 草业学报, 32(11), 17-29.]
DOI |
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