Plant Diversity ›› 2020, Vol. 42 ›› Issue (06): 399-400.DOI: 10.1016/j.pld.2020.12.001
• Editorial • 下一篇
Shengji Peia, Hamilton Alanb, Yuhua Wanga
出版日期:
2020-12-25
发布日期:
2021-03-03
通讯作者:
Shengji Pei
Shengji Peia, Hamilton Alanb, Yuhua Wanga
Online:
2020-12-25
Published:
2021-03-03
Contact:
Shengji Pei
Shengji Pei, Hamilton Alan, Yuhua Wang. Vital roles for ethnobotany in conservation and sustainable development[J]. Plant Diversity, 2020, 42(06): 399-400.
Shengji Pei, Hamilton Alan, Yuhua Wang. Vital roles for ethnobotany in conservation and sustainable development[J]. Plant Diversity, 2020, 42(06): 399-400.
采样点 Sample site | 平均海拔 Mean elevation (m) | 年平均气温 Mean annual temperature (°C) | 年降水量 Mean annual precipitation (mm) | 年蒸发量 Mean annual evaporation (mm) | 年日照时间 Mean annual sunshine times (h) |
---|---|---|---|---|---|
灵武 Lingwu | 1 278 | 8.9 | 213 | 1 762 | 3 011 |
张掖 Zhangye | 1 590 | 6.0 | 110 | 2 003 | 3 075 |
酒泉 Jiuquan | 1 500 | 7.5 | 58 | 2 038 | 3 228 |
表1 研究区水热条件比较
Table 1 Comparison of hydrothermal conditions in the study areas
采样点 Sample site | 平均海拔 Mean elevation (m) | 年平均气温 Mean annual temperature (°C) | 年降水量 Mean annual precipitation (mm) | 年蒸发量 Mean annual evaporation (mm) | 年日照时间 Mean annual sunshine times (h) |
---|---|---|---|---|---|
灵武 Lingwu | 1 278 | 8.9 | 213 | 1 762 | 3 011 |
张掖 Zhangye | 1 590 | 6.0 | 110 | 2 003 | 3 075 |
酒泉 Jiuquan | 1 500 | 7.5 | 58 | 2 038 | 3 228 |
变异来源 Source of variation | 红砂 R. soongarica | 珍珠猪毛菜 S. passerina | ||||||
---|---|---|---|---|---|---|---|---|
SRL | SRA | RB | β | SRL | SRA | RB | β | |
环境梯度 Environment gradient | 0.444 | 1.237 | 121.887** | 2.104 | 1.554 | 1.363 | 28.556** | 0.844 |
生长方式 Community type | 0.224 | 1.212 | 84.367** | 2.194 | 0.284 | 1.083 | 106.824** | 3.265 |
环境梯度×生长方式 Environment gradient × community type | 2.797 | 0.080 | 14.944** | 2.303 | 1.978 | 0.088 | 18.258** | 1.398 |
表2 环境胁迫梯度和生长方式对红砂和珍珠猪毛菜比根长(SRL)、比表面积(SRA)、根系生物量(RB)和根系消弱系数(β)影响的双因素方差分析(F值)
Table 2 Two-way ANOVA (F-values) of the effects of environmental stress gradient and community type on specific root length (SRL), specific root surface area (SRA), root biomass (RB) and root extinction coefficients (β) in Reaumuria soongarica and Salsola passerina
变异来源 Source of variation | 红砂 R. soongarica | 珍珠猪毛菜 S. passerina | ||||||
---|---|---|---|---|---|---|---|---|
SRL | SRA | RB | β | SRL | SRA | RB | β | |
环境梯度 Environment gradient | 0.444 | 1.237 | 121.887** | 2.104 | 1.554 | 1.363 | 28.556** | 0.844 |
生长方式 Community type | 0.224 | 1.212 | 84.367** | 2.194 | 0.284 | 1.083 | 106.824** | 3.265 |
环境梯度×生长方式 Environment gradient × community type | 2.797 | 0.080 | 14.944** | 2.303 | 1.978 | 0.088 | 18.258** | 1.398 |
物种 Species | 生长方式 Interspecific relationship | 灵武 Lingwu | 张掖 Zhangye | 酒泉 Jiuquan | |||
---|---|---|---|---|---|---|---|
β | R2 | β | R2 | β | R2 | ||
红砂 R. soongarica | 单生 Monocultural | 0.934β9 ± 0.002β4 | 0.981β8 | 0.941β2 ± 0.007β8 | 0.929β1 | 0.942β4 ± 0.011β2 | 0.936β7 |
混生 Mixed | 0.934β9 ± 0.011β2 | 0.962β0 | 0.942β1 ± 0.025β6 | 0.897β1 | 0.943β7 ± 0.004β5 | 0.968β6 | |
珍珠猪毛菜 S. passerina | 单生 Monocultural | 0.875β8 ± 0.007β8a | 0.949β9 | 0.921β7 ± 0.026β1 | 0.947β6 | 0.896β5 ± 0.004β9 | 0.902β3 |
混生 Mixed | 0.925β3 ± 0.006β0b | 0.986β1 | 0.919β3 ± 0.025β1 | 0.870β8 | 0.918β1 ± 0.003β9 | 0.923β4 |
表3 不同生境下单生和混生红砂与珍珠猪毛菜的根系消弱系数(β)与决定系数(R2)(平均值±标准误差)
Table 3 The root extinction coefficients (β) and coefficient of determination (R2) in Reaumuria soongarica and Salsola passerina of monocultural and mixed communities in different habitats (mean ± SE)
物种 Species | 生长方式 Interspecific relationship | 灵武 Lingwu | 张掖 Zhangye | 酒泉 Jiuquan | |||
---|---|---|---|---|---|---|---|
β | R2 | β | R2 | β | R2 | ||
红砂 R. soongarica | 单生 Monocultural | 0.934β9 ± 0.002β4 | 0.981β8 | 0.941β2 ± 0.007β8 | 0.929β1 | 0.942β4 ± 0.011β2 | 0.936β7 |
混生 Mixed | 0.934β9 ± 0.011β2 | 0.962β0 | 0.942β1 ± 0.025β6 | 0.897β1 | 0.943β7 ± 0.004β5 | 0.968β6 | |
珍珠猪毛菜 S. passerina | 单生 Monocultural | 0.875β8 ± 0.007β8a | 0.949β9 | 0.921β7 ± 0.026β1 | 0.947β6 | 0.896β5 ± 0.004β9 | 0.902β3 |
混生 Mixed | 0.925β3 ± 0.006β0b | 0.986β1 | 0.919β3 ± 0.025β1 | 0.870β8 | 0.918β1 ± 0.003β9 | 0.923β4 |
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