Chin J Plant Ecol ›› 2014, Vol. 38 ›› Issue (6): 562-575.DOI: 10.3724/SP.J.1258.2014.00052
Special Issue: 稳定同位素生态学; 青藏高原植物生态学:生理生态学
• Research Articles • Previous Articles Next Articles
QIU Quan1,*(),PAN Xin1,LI Ji-Yue1,**(
),WANG Jun-Hui2,**(
),MA Jian-Wei3,DU Kun3
Received:
2014-07-16
Accepted:
2014-03-24
Online:
2014-07-16
Published:
2014-06-10
Contact:
LI Ji-Yue,WANG Jun-Hui
QIU Quan,PAN Xin,LI Ji-Yue,WANG Jun-Hui,MA Jian-Wei,DU Kun. Morphological traits and physiological characteristics in drought tolerance in 20 shrub species on the Qinghai-Xizang Plateau[J]. Chin J Plant Ecol, 2014, 38(6): 562-575.
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URL: https://www.plant-ecology.com/EN/10.3724/SP.J.1258.2014.00052
树种 Tree species | 缩写 Abbreviation | 采集地点 Collection site | 经纬度 Longitude & latitude | 海拔 Altitude (m) |
---|---|---|---|---|
柠条锦鸡儿 Caragana korshinskii | CK | 青海西宁南山 Nanshan, Xining, Qinghai | 101.27° E 36.43° N | 2 545 |
短叶锦鸡儿 Caragana brevifolia | CB | 青海大通县宝库乡 Baoku Township, Datong County, Qinghai | 101.35° E 37.12° N | 3 200 |
尼泊尔锦鸡儿 Caragana sukiensis | CSU | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
锦鸡儿 Caragana sinica | CSI | 青海省农林科学院 Qinghai Academy of Agricultural and Forestry | 101.45° E 36.43° N | 2 285 |
树锦鸡儿 Caragana arborescens | CA | 青海省农林科学院 Qinghai Academy of Agricultural and Forestry | 101.45° E 36.43° N | 2 285 |
蒙古沙棘 Hippophae rhamnoides ssp. mongolica | HRR | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
江孜沙棘 Hippophae rhamnoides subsp. gyantsensis | HRG | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
柳叶沙棘 Hippophae salicifolia | HS | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
西藏沙棘 Hippophae thibetana | HT | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
豪猪刺 Berberis julianae | BJ | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
西北小檗 Berberis vernae | BV | 青海门源县仙米林场 Xianmi Forest Center, Menyuan County, Qinghai | 102.01° E 37.15° N | 2 730 |
金露梅 Potentilla fruticosa | PF | 青海门源县仙米林场 Xianmi Forest Center, Menyuan County, Qinghai | 102.00° E 37.18° N | 2 817 |
野蔷薇 Rosa multiflora | RM | 青海大通县宝库乡 Baoku Township, Datong County, Qinghai | 101.35° E 37.12° N | 3 036 |
胡颓子 Elaeagnus pungens | EP | 甘肃小陇山林业科学研究所 Xiaolongshan Forestry Science and Technology Research Institute, Gansu | 105.80° E 34.48° N | 1 450 |
光果莸 Caryopteris tangutica | CT | 青海西宁北山 Beishan, Xining, Qinghai | 101.45° E 36.44° N | 2 482 |
驼绒藜 Ceratoides latens | CL | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
鲜卑花 Sibiraea laevigata | SL | 青海大通县宝库乡 Baoku Township, Datong County, Qinghai | 101.36° E 37.13° N | 3 202 |
绣线菊 Spiraea salicifoli | SS | 甘肃小陇山林业科学研究所 Xiaolongshan Forestry Science and Technology Research Institute, Gansu | 105.80° E 34.48° N | 1 450 |
西北沼委陵菜 Comarum salesovianum | CS | 青海门源县仙米林场 Xianmi Forest Center, Menyuan County, Qinghai | 102.58° E 37.24° N | 3 081 |
华北珍珠梅 Sorbaria kirilowii | SK | 甘肃小陇山林业科学研究所 Xiaolongshan Forestry Science and Technology Research Institute, Gansu | 105.80° E 34.48° N | 1 450 |
Table 1 Growth status for 20 species shrubs in Qinglai-Xizang Plateau
树种 Tree species | 缩写 Abbreviation | 采集地点 Collection site | 经纬度 Longitude & latitude | 海拔 Altitude (m) |
---|---|---|---|---|
柠条锦鸡儿 Caragana korshinskii | CK | 青海西宁南山 Nanshan, Xining, Qinghai | 101.27° E 36.43° N | 2 545 |
短叶锦鸡儿 Caragana brevifolia | CB | 青海大通县宝库乡 Baoku Township, Datong County, Qinghai | 101.35° E 37.12° N | 3 200 |
尼泊尔锦鸡儿 Caragana sukiensis | CSU | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
锦鸡儿 Caragana sinica | CSI | 青海省农林科学院 Qinghai Academy of Agricultural and Forestry | 101.45° E 36.43° N | 2 285 |
树锦鸡儿 Caragana arborescens | CA | 青海省农林科学院 Qinghai Academy of Agricultural and Forestry | 101.45° E 36.43° N | 2 285 |
蒙古沙棘 Hippophae rhamnoides ssp. mongolica | HRR | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
江孜沙棘 Hippophae rhamnoides subsp. gyantsensis | HRG | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
柳叶沙棘 Hippophae salicifolia | HS | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
西藏沙棘 Hippophae thibetana | HT | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
豪猪刺 Berberis julianae | BJ | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
西北小檗 Berberis vernae | BV | 青海门源县仙米林场 Xianmi Forest Center, Menyuan County, Qinghai | 102.01° E 37.15° N | 2 730 |
金露梅 Potentilla fruticosa | PF | 青海门源县仙米林场 Xianmi Forest Center, Menyuan County, Qinghai | 102.00° E 37.18° N | 2 817 |
野蔷薇 Rosa multiflora | RM | 青海大通县宝库乡 Baoku Township, Datong County, Qinghai | 101.35° E 37.12° N | 3 036 |
胡颓子 Elaeagnus pungens | EP | 甘肃小陇山林业科学研究所 Xiaolongshan Forestry Science and Technology Research Institute, Gansu | 105.80° E 34.48° N | 1 450 |
光果莸 Caryopteris tangutica | CT | 青海西宁北山 Beishan, Xining, Qinghai | 101.45° E 36.44° N | 2 482 |
驼绒藜 Ceratoides latens | CL | 西藏堆龙德庆县柳梧乡 Liuwu Township, Doilungdêqên County, Xizang | 91.03° E 29.57° N | 3 630 |
鲜卑花 Sibiraea laevigata | SL | 青海大通县宝库乡 Baoku Township, Datong County, Qinghai | 101.36° E 37.13° N | 3 202 |
绣线菊 Spiraea salicifoli | SS | 甘肃小陇山林业科学研究所 Xiaolongshan Forestry Science and Technology Research Institute, Gansu | 105.80° E 34.48° N | 1 450 |
西北沼委陵菜 Comarum salesovianum | CS | 青海门源县仙米林场 Xianmi Forest Center, Menyuan County, Qinghai | 102.58° E 37.24° N | 3 081 |
华北珍珠梅 Sorbaria kirilowii | SK | 甘肃小陇山林业科学研究所 Xiaolongshan Forestry Science and Technology Research Institute, Gansu | 105.80° E 34.48° N | 1 450 |
树种缩写 Tree species abbreviation | TRL (cm) | TRSA (cm2) | TRV (cm3) | TRTN | FRL (cm) | FRSA (cm2) | FRV (cm3) | FRTN | RSR | Tr (mmol·m-2·s-1) |
---|---|---|---|---|---|---|---|---|---|---|
CK | 2 091.47 ± 57.03 | 960.63 ± 114.23 | 74.10 ± 12.36 | 4 022 ± 99 | 1 704.75 ± 98.83 | 357.74 ± 13.50 | 9.27 ± 0.24 | 3 002 ± 92 | 0.50 ± 0.09 | 3.98 ± 0.09 |
CB | 795.19 ± 97.95 | 497.44 ± 7.94 | 31.73 ± 0.09 | 2 473 ± 37 | 576.30 ± 45.16 | 138.45 ± 14.02 | 3.96 ± 0.15 | 1 757 ± 50 | 0.40 ± 0.07 | 3.57 ± 0.03 |
CSU | 506.70 ± 56.20 | 109.36 ± 12.73 | 3.98 ± 0.66 | 1 203 ± 385 | 457.23 ± 24.14 | 81.18 ± 3.57 | 1.79 ± 0.10 | 1 149 ± 32 | 0.80 ± 0.20 | 3.80 ± 0.22 |
CSI | 1 084.17 ± 102.42 | 412.54 ± 13.69 | 36.24 ± 3.51 | 2 364 ± 172 | 892.11 ± 102.94 | 203.62 ± 22.48 | 4.82 ± 0.94 | 1 833 ± 122 | 0.23 ± 0.04 | 3.53 ± 0.10 |
CA | 4 067.11 ± 92.60 | 1 204.68 ± 58.43 | 71.05 ± 5.80 | 8 365 ± 798 | 3 651.55 ± 154.64 | 759.97 ± 21.12 | 18.32 ± 0.25 | 6 757 ± 571 | 0.33 ± 0.04 | 4.98 ± 0.21 |
HRR | 1 047.89 ± 84.08 | 425.90 ± 36.68 | 37.33 ± 2.00 | 1 944 ± 141 | 868.55 ± 11.42 | 199.40 ± 7.74 | 5.46 ± 0.67 | 1 488 ± 139 | 0.14 ± 0.03 | 4.69 ± 0.06 |
HRG | 282.74 ± 32.93 | 80.11 ± 2.39 | 4.01 ± 0.17 | 718 ± 25 | 255.68 ± 33.43 | 50.49 ± 3.38 | 1.24 ± 0.09 | 567 ± 155 | 0.12 ± 0.05 | 4.84 ± 0.06 |
HS | 518.83 ± 23.15 | 128.91 ± 3.84 | 5.97 ± 0.62 | 1 224 ± 163 | 488.65 ± 27.51 | 90.32 ± 3.32 | 2.15 ± 0.05 | 864 ± 67 | 0.11 ± 0.01 | 4.47 ± 0.24 |
HT | 720.44 ± 77.80 | 330.29 ± 31.69 | 25.28 ± 1.62 | 1 750 ± 74 | 545.78 ± 63.51 | 133.12 ± 17.56 | 3.71 ± 0.46 | 1 242 ± 68 | 0.23 ± 0.04 | 4.30 ± 0.55 |
BJ | 5 656.55 ± 309.05 | 1 213.39 ± 131.00 | 120.48 ± 17.40 | 9 631 ± 337 | 5 371.61 ± 402.26 | 972.90 ± 73.67 | 20.92 ± 1.65 | 8 522 ± 895 | 0.20 ± 0.01 | 3.57 ± 0.33 |
BV | 777.70 ± 48.24 | 160.10 ± 20.52 | 5.79 ± 0.93 | 1 991 ± 189 | 713.83 ± 73.61 | 121.56 ± 18.43 | 2.48 ± 0.48 | 1 410 ± 246 | 0.47 ± 0.05 | 5.11 ± 0.35 |
PF | 6 241.53 ± 379.90 | 1 797.66 ± 71.20 | 148.54 ± 16.52 | 17 139 ± 1925 | 4 972.53 ± 152.21 | 936.41 ± 123.89 | 23.86 ± 2.82 | 12 516 ± 795 | 0.56 ± 0.14 | 3.24 ± 0.06 |
RM | 2 618.31 ± 261.83 | 1 003.94 ± 100.39 | 105.70 ± 7.57 | 7 780 ± 778 | 2 232.63 ± 223.26 | 415.07 ± 41.51 | 9.31 ± 0.93 | 5 851 ± 585 | 0.66 ± 0.14 | 4.84 ± 0.37 |
EP | 2 435.75 ± 106.87 | 1 052.54 ± 49.77 | 101.16 ± 8.21 | 4 150 ± 44 | 2 217.08 ± 87.74 | 451.15 ± 19.41 | 11.44 ± 0.26 | 3 318 ± 54 | 0.72 ± 0.10 | 3.67 ± 0.12 |
CT | 1 654.42 ± 66.57 | 728.20 ± 86.52 | 46.95 ± 4.34 | 4 331 ± 319 | 1 202.48 ± 235.46 | 275.77 ± 19.36 | 7.92 ± 0.59 | 3 027 ± 248 | 0.25 ± 0.03 | 3.91 ± 0.14 |
CL | 444.56 ± 28.47 | 194.11 ± 6.13 | 10.22 ± 1.78 | 1 237 ± 99 | 401.59 ± 23.81 | 77.66 ± 9.27 | 1.78 ± 0.43 | 788 ± 64 | 0.36 ± 0.01 | 3.64 ± 0.21 |
SL | 1 175.41 ± 131.21 | 321.41 ± 40.25 | 16.65 ± 1.65 | 2 908 ± 210 | 1 051.13 ± 153.00 | 201.16 ± 43.11 | 4.64 ± 1.26 | 2 255 ± 213 | 0.62 ± 0.16 | 5.84 ± 0.56 |
SS | 4 090.83 ± 793.40 | 1 231.59 ± 73.07 | 109.77 ± 2.97 | 11 461 ± 821 | 3 114.82 ± 335.05 | 537.87 ± 42.75 | 12.32 ± 2.01 | 7 742 ± 618 | 0.51 ± 0.11 | 4.29 ± 0.64 |
CS | 492.29 ± 32.28 | 142.85 ± 6.63 | 8.93 ± 0.24 | 1 149 ± 87 | 367.73 ± 67.02 | 63.18 ± 5.06 | 1.54 ± 0.10 | 754 ± 29 | 0.29 ± 0.10 | 6.61 ± 0.83 |
SK | 1 852.45 ± 110.20 | 553.12 ± 11.11 | 43.15 ± 3.20 | 3 796 ± 196 | 1 733.97 ± 191.18 | 300.90 ± 13.50 | 7.24 ± 0.31 | 2 977 ± 130 | 0.50 ± 0.06 | 3.75 ± 0.43 |
平均值 Average | 1 927.72 | 621.20 | 50.35 | 5 536 | 1 575.04 | 302.62 | 7.28 | 3 324 | 0.40 | 4.33 |
标准偏差 Standard deviation | 1 772.54 | 494.73 | 45.22 | 6 282 | 1 464.50 | 265.61 | 6.19 | 3 153 | 0.21 | 0.86 |
变异系数 Coefficient of variation (%) | 91.95 | 79.64 | 89.81 | 113.48 | 92.98 | 87.77 | 85.03 | 94.85 | 51.62 | 19.81 |
Table 2 Characteristic indexes of root system, root shoot ratio and transpiration rate (mean ± SD)
树种缩写 Tree species abbreviation | TRL (cm) | TRSA (cm2) | TRV (cm3) | TRTN | FRL (cm) | FRSA (cm2) | FRV (cm3) | FRTN | RSR | Tr (mmol·m-2·s-1) |
---|---|---|---|---|---|---|---|---|---|---|
CK | 2 091.47 ± 57.03 | 960.63 ± 114.23 | 74.10 ± 12.36 | 4 022 ± 99 | 1 704.75 ± 98.83 | 357.74 ± 13.50 | 9.27 ± 0.24 | 3 002 ± 92 | 0.50 ± 0.09 | 3.98 ± 0.09 |
CB | 795.19 ± 97.95 | 497.44 ± 7.94 | 31.73 ± 0.09 | 2 473 ± 37 | 576.30 ± 45.16 | 138.45 ± 14.02 | 3.96 ± 0.15 | 1 757 ± 50 | 0.40 ± 0.07 | 3.57 ± 0.03 |
CSU | 506.70 ± 56.20 | 109.36 ± 12.73 | 3.98 ± 0.66 | 1 203 ± 385 | 457.23 ± 24.14 | 81.18 ± 3.57 | 1.79 ± 0.10 | 1 149 ± 32 | 0.80 ± 0.20 | 3.80 ± 0.22 |
CSI | 1 084.17 ± 102.42 | 412.54 ± 13.69 | 36.24 ± 3.51 | 2 364 ± 172 | 892.11 ± 102.94 | 203.62 ± 22.48 | 4.82 ± 0.94 | 1 833 ± 122 | 0.23 ± 0.04 | 3.53 ± 0.10 |
CA | 4 067.11 ± 92.60 | 1 204.68 ± 58.43 | 71.05 ± 5.80 | 8 365 ± 798 | 3 651.55 ± 154.64 | 759.97 ± 21.12 | 18.32 ± 0.25 | 6 757 ± 571 | 0.33 ± 0.04 | 4.98 ± 0.21 |
HRR | 1 047.89 ± 84.08 | 425.90 ± 36.68 | 37.33 ± 2.00 | 1 944 ± 141 | 868.55 ± 11.42 | 199.40 ± 7.74 | 5.46 ± 0.67 | 1 488 ± 139 | 0.14 ± 0.03 | 4.69 ± 0.06 |
HRG | 282.74 ± 32.93 | 80.11 ± 2.39 | 4.01 ± 0.17 | 718 ± 25 | 255.68 ± 33.43 | 50.49 ± 3.38 | 1.24 ± 0.09 | 567 ± 155 | 0.12 ± 0.05 | 4.84 ± 0.06 |
HS | 518.83 ± 23.15 | 128.91 ± 3.84 | 5.97 ± 0.62 | 1 224 ± 163 | 488.65 ± 27.51 | 90.32 ± 3.32 | 2.15 ± 0.05 | 864 ± 67 | 0.11 ± 0.01 | 4.47 ± 0.24 |
HT | 720.44 ± 77.80 | 330.29 ± 31.69 | 25.28 ± 1.62 | 1 750 ± 74 | 545.78 ± 63.51 | 133.12 ± 17.56 | 3.71 ± 0.46 | 1 242 ± 68 | 0.23 ± 0.04 | 4.30 ± 0.55 |
BJ | 5 656.55 ± 309.05 | 1 213.39 ± 131.00 | 120.48 ± 17.40 | 9 631 ± 337 | 5 371.61 ± 402.26 | 972.90 ± 73.67 | 20.92 ± 1.65 | 8 522 ± 895 | 0.20 ± 0.01 | 3.57 ± 0.33 |
BV | 777.70 ± 48.24 | 160.10 ± 20.52 | 5.79 ± 0.93 | 1 991 ± 189 | 713.83 ± 73.61 | 121.56 ± 18.43 | 2.48 ± 0.48 | 1 410 ± 246 | 0.47 ± 0.05 | 5.11 ± 0.35 |
PF | 6 241.53 ± 379.90 | 1 797.66 ± 71.20 | 148.54 ± 16.52 | 17 139 ± 1925 | 4 972.53 ± 152.21 | 936.41 ± 123.89 | 23.86 ± 2.82 | 12 516 ± 795 | 0.56 ± 0.14 | 3.24 ± 0.06 |
RM | 2 618.31 ± 261.83 | 1 003.94 ± 100.39 | 105.70 ± 7.57 | 7 780 ± 778 | 2 232.63 ± 223.26 | 415.07 ± 41.51 | 9.31 ± 0.93 | 5 851 ± 585 | 0.66 ± 0.14 | 4.84 ± 0.37 |
EP | 2 435.75 ± 106.87 | 1 052.54 ± 49.77 | 101.16 ± 8.21 | 4 150 ± 44 | 2 217.08 ± 87.74 | 451.15 ± 19.41 | 11.44 ± 0.26 | 3 318 ± 54 | 0.72 ± 0.10 | 3.67 ± 0.12 |
CT | 1 654.42 ± 66.57 | 728.20 ± 86.52 | 46.95 ± 4.34 | 4 331 ± 319 | 1 202.48 ± 235.46 | 275.77 ± 19.36 | 7.92 ± 0.59 | 3 027 ± 248 | 0.25 ± 0.03 | 3.91 ± 0.14 |
CL | 444.56 ± 28.47 | 194.11 ± 6.13 | 10.22 ± 1.78 | 1 237 ± 99 | 401.59 ± 23.81 | 77.66 ± 9.27 | 1.78 ± 0.43 | 788 ± 64 | 0.36 ± 0.01 | 3.64 ± 0.21 |
SL | 1 175.41 ± 131.21 | 321.41 ± 40.25 | 16.65 ± 1.65 | 2 908 ± 210 | 1 051.13 ± 153.00 | 201.16 ± 43.11 | 4.64 ± 1.26 | 2 255 ± 213 | 0.62 ± 0.16 | 5.84 ± 0.56 |
SS | 4 090.83 ± 793.40 | 1 231.59 ± 73.07 | 109.77 ± 2.97 | 11 461 ± 821 | 3 114.82 ± 335.05 | 537.87 ± 42.75 | 12.32 ± 2.01 | 7 742 ± 618 | 0.51 ± 0.11 | 4.29 ± 0.64 |
CS | 492.29 ± 32.28 | 142.85 ± 6.63 | 8.93 ± 0.24 | 1 149 ± 87 | 367.73 ± 67.02 | 63.18 ± 5.06 | 1.54 ± 0.10 | 754 ± 29 | 0.29 ± 0.10 | 6.61 ± 0.83 |
SK | 1 852.45 ± 110.20 | 553.12 ± 11.11 | 43.15 ± 3.20 | 3 796 ± 196 | 1 733.97 ± 191.18 | 300.90 ± 13.50 | 7.24 ± 0.31 | 2 977 ± 130 | 0.50 ± 0.06 | 3.75 ± 0.43 |
平均值 Average | 1 927.72 | 621.20 | 50.35 | 5 536 | 1 575.04 | 302.62 | 7.28 | 3 324 | 0.40 | 4.33 |
标准偏差 Standard deviation | 1 772.54 | 494.73 | 45.22 | 6 282 | 1 464.50 | 265.61 | 6.19 | 3 153 | 0.21 | 0.86 |
变异系数 Coefficient of variation (%) | 91.95 | 79.64 | 89.81 | 113.48 | 92.98 | 87.77 | 85.03 | 94.85 | 51.62 | 19.81 |
树种 Tree species | LT (μm) | CT (μm) | TPT (μm) | TST (μm) | TPT/TST | CTR (%) | SR (%) | δ13C (‰) | WUEi (μmol·mmol-1) |
---|---|---|---|---|---|---|---|---|---|
CK | 200.39 ± 12.39 | 1.03 ± 0.27 | 75.94 ± 5.60 | 106.18 ± 13.00 | 0.73 ± 0.1 | 38.06 ± 2.89 | 52.97 ± 3.84 | -30.22 ± 0.47 | 2.38 ± 0.20 |
CB | 107.63 ± 13.01 | 2.70 ± 1.16 | 40.20 ± 10.91 | 44.28 ± 2.51 | 0.91 ± 0.25 | 36.75 ± 6.56 | 41.68 ± 5.21 | -28.40 ± 0.44 | 3.57 ± 0.05 |
CSU | 138.33 ± 6.92 | 4.83 ± 1.56 | 50.81 ± 5.32 | 56.37 ± 4.67 | 0.91 ± 0.13 | 36.59 ± 3.54 | 40.59 ± 2.84 | -28.06 ± 0.44 | 3.34 ± 0.01 |
CSI | 150.36 ± 14.74 | 3.15 ± 0.83 | 77.35 ± 11.47 | 37.21 ± 6.74 | 2.13 ± 0.44 | 52.56 ± 4.48 | 25.29 ± 3.47 | -28.86 ± 0.45 | 3.04 ± 0.12 |
CA | 130.36 ± 13.27 | 1.15 ± 0.45 | 72.57 ± 10.49 | 35.57 ± 9.93 | 2.22 ± 0.75 | 55.03 ± 6.11 | 26.8 ± 6.48 | -28.61 ± 0.45 | 2.53 ± 0.02 |
HRR | 299.65 ± 4.64 | 0.93 ± 0.50 | 165.71 ± 3.27 | 104.02 ± 2.43 | 1.59 ± 0.04 | 55.64 ± 0.61 | 34.93 ± 0.58 | -28.15 ± 0.44 | 3.23 ± 0.07 |
HRG | 116.3 ± 13.17 | 2.81 ± 0.47 | 39.62 ± 6.07 | 51.81 ± 9.72 | 0.78 ± 0.17 | 33.87 ± 4.02 | 44.08 ± 4.58 | -30.22 ± 0.47 | 1.85 ± 0.05 |
HS | 120.72 ± 23.68 | 1.09 ± 0.26 | 41.71 ± 6.9 | 52.83 ± 24.15 | 0.98 ± 0.52 | 36.13 ± 8.49 | 42.4 ± 11.73 | -28.71 ± 0.45 | 3.19 ± 0.09 |
HT | 132.82 ± 15.47 | 2.56 ± 0.38 | 56.29 ± 7.82 | 41.96 ± 10.75 | 1.46 ± 0.51 | 42.10 ± 3.73 | 30.86 ± 6.06 | -27.68 ± 0.43 | 3.70 ± 0.08 |
BJ | 246.30 ± 8.62 | 2.11 ± 0.29 | 114.6 ± 6.93 | 105.31 ± 8.02 | 1.10 ± 0.12 | 46.59 ± 2.56 | 42.78 ± 2.49 | -27.14 ± 0.42 | 4.27 ± 0.03 |
BV | 244.01 ± 6.73 | 0.78 ± 0.3 | 86.71 ± 4.53 | 125.58 ± 3.89 | 0.69 ± 0.05 | 36.11 ± 1.69 | 52.31 ± 1.52 | -28.69 ± 0.45 | 2.86 ± 0.02 |
PF | 154.23 ± 9.43 | 2.65 ± 0.94 | 69.62 ± 4.87 | 45.00 ± 5.25 | 1.57 ± 0.2 | 45.63 ± 2.4 | 29.47 ± 2.99 | -26.09 ± 0.41 | 4.43 ± 0.09 |
RM | 126.32 ± 5.87 | 1.66 ± 0.22 | 57.66 ± 2.59 | 47.73 ± 3.64 | 1.21 ± 0.1 | 46.36 ± 1.96 | 38.31 ± 1.6 | -27.46 ± 0.43 | 3.83 ± 0.01 |
EP | 205.98 ± 15.56 | 0.9 ± 0.24 | 104.76 ± 3.21 | 78.25 ± 14.90 | 1.74 ± 2.4 | 51.17 ± 5.18 | 37.54 ± 6.4 | -28.92 ± 0.45 | 2.82 ± 0.05 |
CT | 248.30 ± 14.84 | 1.14 ± 0.35 | 61.41 ± 13.41 | 152.00 ± 7.83 | 0.4 ± 0.09 | 24.68 ± 5.09 | 61.83 ± 4.15 | -28.60 ± 0.45 | 2.72 ± 0.19 |
CL | 186.24 ± 32.07 | 1.72 ± 0.22 | 78.57.03 ± 15.12 | 79.51 ± 8.12 | 0.99 ± 0.08 | 42.19 ± 3.48 | 42.69 ± 3.94 | -28.36 ± 0.44 | 3.23 ± 0.17 |
SL | 135.45 ± 18.49 | 0.96 ± 0.30 | 53.00 ± 12.08 | 60.36 ± 5.38 | 0.87 ± 0.14 | 38.38 ± 3.88 | 44.56 ± 3.23 | -29.85 ± 0.47 | 2.35 ± 0.09 |
SS | 213.32 ± 12.19 | 1.24 ± 0.22 | 72.81 ± 4.77 | 113.58 ± 9.48 | 0.64 ± 0.06 | 33.76 ± 1.73 | 52.57 ± 2.33 | -29.28 ± 0.46 | 2.43 ± 0.01 |
CS | 163.33 ± 6.13 | 0.94 ± 0.39 | 87.21 ± 3.19 | 48.36 ± 4.11 | 1.82 ± 0.17 | 54.32 ± 1.98 | 30.08 ± 2.01 | -28.56 ± 0.45 | 2.64 ± 0.12 |
SK | 183.95 ± 13.66 | 3.11 ± 0.77 | 95.88 ± 7.16 | 55.98 ± 9.84 | 1.77 ± 0.35 | 52.75 ± 3.08 | 30.63 ± 4.33 | -29.11 ± 0.45 | 2.51 ± 0.32 |
平均值 Average | 175.20 | 1.87 | 75.12 | 72.09 | 1.23 | 42.93 | 40.12 | 175.20 | 1.87 |
标准偏差 Standard deviation | 66.28 | 1.08 | 29.86 | 33.95 | 0.53 | 8.72 | 9.79 | 66.28 | 1.08 |
变异系数 Coefficient of variation (%) | 37.83 | 57.69 | 39.75 | 47.09 | 42.86 | 20.30 | 24.40 | 37.83 | 57.69 |
Table 3 Characteristics of leaf anatomical structure, leaf carbon isotopic composition (δ13C) and instantaneous water use efficiency (WUEi) (mean ± SD)
树种 Tree species | LT (μm) | CT (μm) | TPT (μm) | TST (μm) | TPT/TST | CTR (%) | SR (%) | δ13C (‰) | WUEi (μmol·mmol-1) |
---|---|---|---|---|---|---|---|---|---|
CK | 200.39 ± 12.39 | 1.03 ± 0.27 | 75.94 ± 5.60 | 106.18 ± 13.00 | 0.73 ± 0.1 | 38.06 ± 2.89 | 52.97 ± 3.84 | -30.22 ± 0.47 | 2.38 ± 0.20 |
CB | 107.63 ± 13.01 | 2.70 ± 1.16 | 40.20 ± 10.91 | 44.28 ± 2.51 | 0.91 ± 0.25 | 36.75 ± 6.56 | 41.68 ± 5.21 | -28.40 ± 0.44 | 3.57 ± 0.05 |
CSU | 138.33 ± 6.92 | 4.83 ± 1.56 | 50.81 ± 5.32 | 56.37 ± 4.67 | 0.91 ± 0.13 | 36.59 ± 3.54 | 40.59 ± 2.84 | -28.06 ± 0.44 | 3.34 ± 0.01 |
CSI | 150.36 ± 14.74 | 3.15 ± 0.83 | 77.35 ± 11.47 | 37.21 ± 6.74 | 2.13 ± 0.44 | 52.56 ± 4.48 | 25.29 ± 3.47 | -28.86 ± 0.45 | 3.04 ± 0.12 |
CA | 130.36 ± 13.27 | 1.15 ± 0.45 | 72.57 ± 10.49 | 35.57 ± 9.93 | 2.22 ± 0.75 | 55.03 ± 6.11 | 26.8 ± 6.48 | -28.61 ± 0.45 | 2.53 ± 0.02 |
HRR | 299.65 ± 4.64 | 0.93 ± 0.50 | 165.71 ± 3.27 | 104.02 ± 2.43 | 1.59 ± 0.04 | 55.64 ± 0.61 | 34.93 ± 0.58 | -28.15 ± 0.44 | 3.23 ± 0.07 |
HRG | 116.3 ± 13.17 | 2.81 ± 0.47 | 39.62 ± 6.07 | 51.81 ± 9.72 | 0.78 ± 0.17 | 33.87 ± 4.02 | 44.08 ± 4.58 | -30.22 ± 0.47 | 1.85 ± 0.05 |
HS | 120.72 ± 23.68 | 1.09 ± 0.26 | 41.71 ± 6.9 | 52.83 ± 24.15 | 0.98 ± 0.52 | 36.13 ± 8.49 | 42.4 ± 11.73 | -28.71 ± 0.45 | 3.19 ± 0.09 |
HT | 132.82 ± 15.47 | 2.56 ± 0.38 | 56.29 ± 7.82 | 41.96 ± 10.75 | 1.46 ± 0.51 | 42.10 ± 3.73 | 30.86 ± 6.06 | -27.68 ± 0.43 | 3.70 ± 0.08 |
BJ | 246.30 ± 8.62 | 2.11 ± 0.29 | 114.6 ± 6.93 | 105.31 ± 8.02 | 1.10 ± 0.12 | 46.59 ± 2.56 | 42.78 ± 2.49 | -27.14 ± 0.42 | 4.27 ± 0.03 |
BV | 244.01 ± 6.73 | 0.78 ± 0.3 | 86.71 ± 4.53 | 125.58 ± 3.89 | 0.69 ± 0.05 | 36.11 ± 1.69 | 52.31 ± 1.52 | -28.69 ± 0.45 | 2.86 ± 0.02 |
PF | 154.23 ± 9.43 | 2.65 ± 0.94 | 69.62 ± 4.87 | 45.00 ± 5.25 | 1.57 ± 0.2 | 45.63 ± 2.4 | 29.47 ± 2.99 | -26.09 ± 0.41 | 4.43 ± 0.09 |
RM | 126.32 ± 5.87 | 1.66 ± 0.22 | 57.66 ± 2.59 | 47.73 ± 3.64 | 1.21 ± 0.1 | 46.36 ± 1.96 | 38.31 ± 1.6 | -27.46 ± 0.43 | 3.83 ± 0.01 |
EP | 205.98 ± 15.56 | 0.9 ± 0.24 | 104.76 ± 3.21 | 78.25 ± 14.90 | 1.74 ± 2.4 | 51.17 ± 5.18 | 37.54 ± 6.4 | -28.92 ± 0.45 | 2.82 ± 0.05 |
CT | 248.30 ± 14.84 | 1.14 ± 0.35 | 61.41 ± 13.41 | 152.00 ± 7.83 | 0.4 ± 0.09 | 24.68 ± 5.09 | 61.83 ± 4.15 | -28.60 ± 0.45 | 2.72 ± 0.19 |
CL | 186.24 ± 32.07 | 1.72 ± 0.22 | 78.57.03 ± 15.12 | 79.51 ± 8.12 | 0.99 ± 0.08 | 42.19 ± 3.48 | 42.69 ± 3.94 | -28.36 ± 0.44 | 3.23 ± 0.17 |
SL | 135.45 ± 18.49 | 0.96 ± 0.30 | 53.00 ± 12.08 | 60.36 ± 5.38 | 0.87 ± 0.14 | 38.38 ± 3.88 | 44.56 ± 3.23 | -29.85 ± 0.47 | 2.35 ± 0.09 |
SS | 213.32 ± 12.19 | 1.24 ± 0.22 | 72.81 ± 4.77 | 113.58 ± 9.48 | 0.64 ± 0.06 | 33.76 ± 1.73 | 52.57 ± 2.33 | -29.28 ± 0.46 | 2.43 ± 0.01 |
CS | 163.33 ± 6.13 | 0.94 ± 0.39 | 87.21 ± 3.19 | 48.36 ± 4.11 | 1.82 ± 0.17 | 54.32 ± 1.98 | 30.08 ± 2.01 | -28.56 ± 0.45 | 2.64 ± 0.12 |
SK | 183.95 ± 13.66 | 3.11 ± 0.77 | 95.88 ± 7.16 | 55.98 ± 9.84 | 1.77 ± 0.35 | 52.75 ± 3.08 | 30.63 ± 4.33 | -29.11 ± 0.45 | 2.51 ± 0.32 |
平均值 Average | 175.20 | 1.87 | 75.12 | 72.09 | 1.23 | 42.93 | 40.12 | 175.20 | 1.87 |
标准偏差 Standard deviation | 66.28 | 1.08 | 29.86 | 33.95 | 0.53 | 8.72 | 9.79 | 66.28 | 1.08 |
变异系数 Coefficient of variation (%) | 37.83 | 57.69 | 39.75 | 47.09 | 42.86 | 20.30 | 24.40 | 37.83 | 57.69 |
指标 Indexes | TRSA | TRV | TRTN | FRL | FRSA | FRV | FRTN |
---|---|---|---|---|---|---|---|
TRL | 0.944** | 0.921** | 0.982** | 0.874** | 0.875** | 0.876** | 0.918** |
TRSA | 0.970** | 0.881** | 0.895** | 0.912** | 0.930** | 0.924** | |
TRV | 0.877** | 0.793** | 0.810** | 0.831** | 0.858** | ||
TRTN | 0.797** | 0.795** | 0.799** | 0.867** | |||
FRL | 0.996** | 0.980** | 0.951** | ||||
FRSA | 0.992** | 0.947** | |||||
FRV | 0.951** |
Table 4 Correlation coefficients among characteristics of roots
指标 Indexes | TRSA | TRV | TRTN | FRL | FRSA | FRV | FRTN |
---|---|---|---|---|---|---|---|
TRL | 0.944** | 0.921** | 0.982** | 0.874** | 0.875** | 0.876** | 0.918** |
TRSA | 0.970** | 0.881** | 0.895** | 0.912** | 0.930** | 0.924** | |
TRV | 0.877** | 0.793** | 0.810** | 0.831** | 0.858** | ||
TRTN | 0.797** | 0.795** | 0.799** | 0.867** | |||
FRL | 0.996** | 0.980** | 0.951** | ||||
FRSA | 0.992** | 0.947** | |||||
FRV | 0.951** |
指标 Indexes | TPT | TST | TPT/TST | LT | CTR | SR |
---|---|---|---|---|---|---|
CT | -0.309 | -0.454* | 0.093 | -0.416 | -0.030 | -0.326 |
TPT | 0.383 | 0.377 | 0.807** | 0.611** | -0.189 | |
TST | -0.595** | 0.846** | -0.444 | 0.799** | ||
TPT/TST | -0.148 | 0.922** | -0.926** | |||
LT | 0.060 | 0.374 | ||||
CTR | -0.838** |
Table 5 Correlation coefficients among characteristics of leaf anatomical structures
指标 Indexes | TPT | TST | TPT/TST | LT | CTR | SR |
---|---|---|---|---|---|---|
CT | -0.309 | -0.454* | 0.093 | -0.416 | -0.030 | -0.326 |
TPT | 0.383 | 0.377 | 0.807** | 0.611** | -0.189 | |
TST | -0.595** | 0.846** | -0.444 | 0.799** | ||
TPT/TST | -0.148 | 0.922** | -0.926** | |||
LT | 0.060 | 0.374 | ||||
CTR | -0.838** |
指标 Indexes | RSR | Tr | WUEi | δ13C |
---|---|---|---|---|
CT | 0.336 | -0.058 | 0.258 | 0.445* |
TPT | 0.150 | -0.025 | 0.242 | 0.263 |
TST | 0.163 | -0.072 | -0.095 | 0.014 |
TPT/TST | 0.319 | -0.038 | 0.300 | 0.431 |
LT | -0.033 | -0.019 | -0.180 | -0.182 |
CTR | 0.181 | -0.022 | 0.016 | 0.155 |
SR | -0.128 | 0.002 | 0.100 | 0.001 |
TRL | -0.169 | -0.042 | -0.011 | 0.070 |
TRSA | -0.177 | -0.208 | 0.031 | 0.102 |
TRV | -0.173 | -0.186 | 0.091 | 0.169 |
TRTN | -0.132 | 0.046 | -0.057 | 0.044 |
FRL | -0.249 | -0.198 | -0.002 | 0.046 |
FRSA | -0.222 | -0.234 | 0.002 | 0.055 |
FRV | -0.201 | -0.237 | -0.003 | 0.068 |
FRTN | -0.251 | -0.117 | 0.049 | 0.110 |
Table 6 Correlation coefficients of root shoot ratio and leaf water physiological indexes with leaf anatomical structure and characteristics of roots
指标 Indexes | RSR | Tr | WUEi | δ13C |
---|---|---|---|---|
CT | 0.336 | -0.058 | 0.258 | 0.445* |
TPT | 0.150 | -0.025 | 0.242 | 0.263 |
TST | 0.163 | -0.072 | -0.095 | 0.014 |
TPT/TST | 0.319 | -0.038 | 0.300 | 0.431 |
LT | -0.033 | -0.019 | -0.180 | -0.182 |
CTR | 0.181 | -0.022 | 0.016 | 0.155 |
SR | -0.128 | 0.002 | 0.100 | 0.001 |
TRL | -0.169 | -0.042 | -0.011 | 0.070 |
TRSA | -0.177 | -0.208 | 0.031 | 0.102 |
TRV | -0.173 | -0.186 | 0.091 | 0.169 |
TRTN | -0.132 | 0.046 | -0.057 | 0.044 |
FRL | -0.249 | -0.198 | -0.002 | 0.046 |
FRSA | -0.222 | -0.234 | 0.002 | 0.055 |
FRV | -0.201 | -0.237 | -0.003 | 0.068 |
FRTN | -0.251 | -0.117 | 0.049 | 0.110 |
树种 Tree species | 根系 Root system | 叶解剖结构 Leaf anatomical structure | 根冠比 Root shoot ratio | 蒸腾速率 Transpiration rate | 水分利用效率Water use efficiency |
---|---|---|---|---|---|
柠条锦鸡儿 Caragana korshinskii | 0.331 (7) | 0.297 (18) | 0.565 (7) | 0.780 (10) | 0.182 (18) |
短叶锦鸡儿 Caragana brevifolia | 0.111 (13) | 0.375 (13) | 0.420 (10) | 0.902 (3) | 0.553 (6) |
尼泊尔锦鸡儿 Caragana sukiensis | 0.029 (18) | 0.473 (10) | 1.000 (1) | 0.833 (8) | 0.549 (5) |
锦鸡儿 Caragana sinica | 0.153 (10) | 0.706 (1) | 0.174 (15) | 0.914 (2) | 0.395 (10) |
树锦鸡儿 Caragana arborescens | 0.718 (2) | 0.630 (4) | 0.319 (12) | 0.483 (17) | 0.327 (15) |
蒙古沙棘 Hippophae rhamnoides ssp. mongolica | 0.148 (11) | 0.691 (2) | 0.043 (18) | 0.568 (14) | 0.516 (7) |
江孜沙棘 Hippophae rhamnoides ssp. gyantsensis | 0.000 (20) | 0.342 (14) | 0.014 (19) | 0.524 (16) | 0.000 (20) |
柳叶沙棘 Hippophae salicifolia | 0.033 (16) | 0.319 (16) | 0.000 (20) | 0.635 (13) | 0.441 (9) |
西藏沙棘 Hippophae thibetana | 0.090 (14) | 0.520 (9) | 0.174 (15) | 0.686 (12) | 0.664 (4) |
豪猪刺 Berberis julianae | 0.606 (3) | 0.522 (8) | 0.130 (17) | 0.901 (4) | 0.842 (2) |
西北小檗 Berberis vernae | 0.071 (15) | 0.300 (17) | 0.522 (9) | 0.445 (18) | 0.381 (11) |
金露梅 Potentilla fruticosa | 0.985 (1) | 0.580 (6) | 0.652 (5) | 1.000 (1) | 1.000 (1) |
野蔷薇 Rosa multiflora | 0.438 (5) | 0.449 (12) | 0.797 (3) | 0.526 (15) | 0.716 (3) |
胡颓子 Elaeagnus pungens | 0.422 (6) | 0.564 (7) | 0.884 (2) | 0.873 (6) | 0.343 (14) |
光果莸 Caryopteris tangutica | 0.245 (9) | 0.142 (20) | 0.203 (14) | 0.802 (9) | 0.364 (12) |
驼绒藜 Ceratoides latens | 0.030 (17) | 0.451 (11) | 0.362 (11) | 0.881 (5) | 0.492 (8) |
鲜卑花 Sibiraea laevigata | 0.141 (12) | 0.322 (15) | 0.739 (4) | 0.227 (19) | 0.141 (19) |
绣线菊 Spiraea salicifoli | 0.594 (4) | 0.277 (19) | 0.580 (6) | 0.687 (11) | 0.225 (17) |
西北沼委陵菜 Comarum salesovianum | 0.023 (19) | 0.600 (5) | 0.261 (13) | 0.000 (20) | 0.354 (13) |
华北珍珠梅 Sorbaria kirilowii | 0.265 (8) | 0.679 (3) | 0.565 (7) | 0.850 (7) | 0.261 (16) |
Table 7 Subordinate function values of shrub species and their comprehensive ranking in drought tolerance by different variables or indices
树种 Tree species | 根系 Root system | 叶解剖结构 Leaf anatomical structure | 根冠比 Root shoot ratio | 蒸腾速率 Transpiration rate | 水分利用效率Water use efficiency |
---|---|---|---|---|---|
柠条锦鸡儿 Caragana korshinskii | 0.331 (7) | 0.297 (18) | 0.565 (7) | 0.780 (10) | 0.182 (18) |
短叶锦鸡儿 Caragana brevifolia | 0.111 (13) | 0.375 (13) | 0.420 (10) | 0.902 (3) | 0.553 (6) |
尼泊尔锦鸡儿 Caragana sukiensis | 0.029 (18) | 0.473 (10) | 1.000 (1) | 0.833 (8) | 0.549 (5) |
锦鸡儿 Caragana sinica | 0.153 (10) | 0.706 (1) | 0.174 (15) | 0.914 (2) | 0.395 (10) |
树锦鸡儿 Caragana arborescens | 0.718 (2) | 0.630 (4) | 0.319 (12) | 0.483 (17) | 0.327 (15) |
蒙古沙棘 Hippophae rhamnoides ssp. mongolica | 0.148 (11) | 0.691 (2) | 0.043 (18) | 0.568 (14) | 0.516 (7) |
江孜沙棘 Hippophae rhamnoides ssp. gyantsensis | 0.000 (20) | 0.342 (14) | 0.014 (19) | 0.524 (16) | 0.000 (20) |
柳叶沙棘 Hippophae salicifolia | 0.033 (16) | 0.319 (16) | 0.000 (20) | 0.635 (13) | 0.441 (9) |
西藏沙棘 Hippophae thibetana | 0.090 (14) | 0.520 (9) | 0.174 (15) | 0.686 (12) | 0.664 (4) |
豪猪刺 Berberis julianae | 0.606 (3) | 0.522 (8) | 0.130 (17) | 0.901 (4) | 0.842 (2) |
西北小檗 Berberis vernae | 0.071 (15) | 0.300 (17) | 0.522 (9) | 0.445 (18) | 0.381 (11) |
金露梅 Potentilla fruticosa | 0.985 (1) | 0.580 (6) | 0.652 (5) | 1.000 (1) | 1.000 (1) |
野蔷薇 Rosa multiflora | 0.438 (5) | 0.449 (12) | 0.797 (3) | 0.526 (15) | 0.716 (3) |
胡颓子 Elaeagnus pungens | 0.422 (6) | 0.564 (7) | 0.884 (2) | 0.873 (6) | 0.343 (14) |
光果莸 Caryopteris tangutica | 0.245 (9) | 0.142 (20) | 0.203 (14) | 0.802 (9) | 0.364 (12) |
驼绒藜 Ceratoides latens | 0.030 (17) | 0.451 (11) | 0.362 (11) | 0.881 (5) | 0.492 (8) |
鲜卑花 Sibiraea laevigata | 0.141 (12) | 0.322 (15) | 0.739 (4) | 0.227 (19) | 0.141 (19) |
绣线菊 Spiraea salicifoli | 0.594 (4) | 0.277 (19) | 0.580 (6) | 0.687 (11) | 0.225 (17) |
西北沼委陵菜 Comarum salesovianum | 0.023 (19) | 0.600 (5) | 0.261 (13) | 0.000 (20) | 0.354 (13) |
华北珍珠梅 Sorbaria kirilowii | 0.265 (8) | 0.679 (3) | 0.565 (7) | 0.850 (7) | 0.261 (16) |
因子 Factor | F1 | F2 | F3 | F4 |
---|---|---|---|---|
TRL | 0.949 | 0.097 | -0.150 | 0.112 |
TRSA | 0.962 | 0.135 | -0.138 | 0.014 |
TRV | 0.915 | 0.162 | -0.087 | -0.001 |
TRTN | 0.895 | 0.061 | -0.147 | 0.171 |
FRL | 0.956 | -0.084 | -0.110 | -0.056 |
FRSA | 0.962 | -0.064 | -0.096 | -0.057 |
FRV | 0.962 | -0.025 | -0.108 | -0.048 |
FRTN | 0.951 | -0.009 | -0.206 | -0.094 |
CT | -0.122 | -0.499 | -0.154 | -0.217 |
TPT | 0.272 | 0.334 | 0.782 | 0.357 |
TST | -0.015 | 0.947 | -0.030 | 0.253 |
TPT/TST | 0.354 | -0.656 | 0.620 | 0.094 |
LT | 0.146 | 0.777 | 0.434 | 0.363 |
CTR | 0.366 | -0.475 | 0.746 | 0.175 |
SR | -0.254 | 0.806 | -0.515 | 0.033 |
RSR | -0.175 | 0.096 | 0.499 | 0.269 |
Tr | 0.059 | -0.152 | -0.217 | 0.640 |
WUEi | 0.150 | 0.480 | 0.448 | -0.691 |
δ13C | 0.059 | 0.474 | 0.565 | -0.553 |
特征根 Eigenvalue | 7.659 | 3.724 | 2.994 | 1.734 |
方差贡献率 Rate of variance (%) | 40.309 | 19.601 | 15.756 | 9.128 |
累计贡献率 Cumulative rate (%) | 40.309 | 59.910 | 75.666 | 84.794 |
Table 8 Factor loading matrix of main composition and principal component eigenvalues
因子 Factor | F1 | F2 | F3 | F4 |
---|---|---|---|---|
TRL | 0.949 | 0.097 | -0.150 | 0.112 |
TRSA | 0.962 | 0.135 | -0.138 | 0.014 |
TRV | 0.915 | 0.162 | -0.087 | -0.001 |
TRTN | 0.895 | 0.061 | -0.147 | 0.171 |
FRL | 0.956 | -0.084 | -0.110 | -0.056 |
FRSA | 0.962 | -0.064 | -0.096 | -0.057 |
FRV | 0.962 | -0.025 | -0.108 | -0.048 |
FRTN | 0.951 | -0.009 | -0.206 | -0.094 |
CT | -0.122 | -0.499 | -0.154 | -0.217 |
TPT | 0.272 | 0.334 | 0.782 | 0.357 |
TST | -0.015 | 0.947 | -0.030 | 0.253 |
TPT/TST | 0.354 | -0.656 | 0.620 | 0.094 |
LT | 0.146 | 0.777 | 0.434 | 0.363 |
CTR | 0.366 | -0.475 | 0.746 | 0.175 |
SR | -0.254 | 0.806 | -0.515 | 0.033 |
RSR | -0.175 | 0.096 | 0.499 | 0.269 |
Tr | 0.059 | -0.152 | -0.217 | 0.640 |
WUEi | 0.150 | 0.480 | 0.448 | -0.691 |
δ13C | 0.059 | 0.474 | 0.565 | -0.553 |
特征根 Eigenvalue | 7.659 | 3.724 | 2.994 | 1.734 |
方差贡献率 Rate of variance (%) | 40.309 | 19.601 | 15.756 | 9.128 |
累计贡献率 Cumulative rate (%) | 40.309 | 59.910 | 75.666 | 84.794 |
树种 Tree species | F1 | F2 | F3 | F4 | 综合得分 Synthesis score | 综合排名 Synthesis rank |
---|---|---|---|---|---|---|
柠条锦鸡儿 Caragana korshinskii | 0.176 | 1.524 | -1.321 | 1.263 | 0.277 | 7 |
短叶锦鸡儿 Caragana brevifolia | -1.900 | -0.616 | -0.789 | -2.046 | -1.197 | 17 |
尼泊尔锦鸡儿 Caragana sukiensis | -2.600 | -1.013 | -1.055 | -1.566 | -1.556 | 19 |
锦鸡儿 Caragana sinica | -0.829 | -2.572 | 1.940 | -0.028 | -0.535 | 12 |
树锦鸡儿 Caragana arborescens | 4.882 | -2.338 | 0.340 | -0.619 | 1.507 | 3 |
蒙古沙棘 Hippophae rhamnoides ssp. mongolica | -0.304 | 2.563 | 5.064 | -0.668 | 1.117 | 5 |
江孜沙棘 Hippophae rhamnoides ssp. gyantsensis | -3.108 | -1.584 | -2.717 | 0.511 | -1.945 | 20 |
柳叶沙棘 Hippophae salicifolia | -2.472 | -0.452 | -1.215 | -1.049 | -1.372 | 18 |
西藏沙棘 Hippophae thibetana | -1.827 | -1.248 | 1.159 | -1.086 | -0.898 | 16 |
豪猪刺 Berberis julianae | 3.227 | 1.473 | 0.039 | 2.182 | 1.795 | 2 |
西北小檗 Berberis vernae | -2.082 | 3.129 | 0.835 | 0.138 | -0.082 | 11 |
金露梅 Potentilla fruticosa | 6.934 | -1.478 | -1.497 | 0.663 | 2.330 | 1 |
野蔷薇 Rosa multiflora | 1.703 | 0.053 | 0.178 | -2.633 | 0.484 | 7 |
胡颓子 Elaeagnus pungens | 1.845 | 0.045 | 0.930 | 0.771 | 0.969 | 6 |
光果莸 Caryopteris tangutica | -0.868 | 3.954 | -1.762 | -0.186 | 0.130 | 9 |
驼绒藜 Ceratoides latens | -2.400 | -0.489 | -0.101 | 2.249 | -0.874 | 15 |
鲜卑花 Sibiraea laevigata | -1.603 | -0.313 | -1.135 | 0.397 | -0.850 | 14 |
绣线菊 Spiraea salicifoli | 2.813 | 2.824 | -1.454 | -0.600 | 1.404 | 4 |
西北沼委陵菜 Comarum salesovianum | -1.820 | -1.790 | 1.337 | 1.703 | -0.718 | 13 |
华北珍珠梅 Sorbaria kirilowii | 0.234 | -1.672 | 1.225 | 0.603 | 0.015 | 10 |
Table 9 Principal component factor scores and synthetic scores of soil fertility levels
树种 Tree species | F1 | F2 | F3 | F4 | 综合得分 Synthesis score | 综合排名 Synthesis rank |
---|---|---|---|---|---|---|
柠条锦鸡儿 Caragana korshinskii | 0.176 | 1.524 | -1.321 | 1.263 | 0.277 | 7 |
短叶锦鸡儿 Caragana brevifolia | -1.900 | -0.616 | -0.789 | -2.046 | -1.197 | 17 |
尼泊尔锦鸡儿 Caragana sukiensis | -2.600 | -1.013 | -1.055 | -1.566 | -1.556 | 19 |
锦鸡儿 Caragana sinica | -0.829 | -2.572 | 1.940 | -0.028 | -0.535 | 12 |
树锦鸡儿 Caragana arborescens | 4.882 | -2.338 | 0.340 | -0.619 | 1.507 | 3 |
蒙古沙棘 Hippophae rhamnoides ssp. mongolica | -0.304 | 2.563 | 5.064 | -0.668 | 1.117 | 5 |
江孜沙棘 Hippophae rhamnoides ssp. gyantsensis | -3.108 | -1.584 | -2.717 | 0.511 | -1.945 | 20 |
柳叶沙棘 Hippophae salicifolia | -2.472 | -0.452 | -1.215 | -1.049 | -1.372 | 18 |
西藏沙棘 Hippophae thibetana | -1.827 | -1.248 | 1.159 | -1.086 | -0.898 | 16 |
豪猪刺 Berberis julianae | 3.227 | 1.473 | 0.039 | 2.182 | 1.795 | 2 |
西北小檗 Berberis vernae | -2.082 | 3.129 | 0.835 | 0.138 | -0.082 | 11 |
金露梅 Potentilla fruticosa | 6.934 | -1.478 | -1.497 | 0.663 | 2.330 | 1 |
野蔷薇 Rosa multiflora | 1.703 | 0.053 | 0.178 | -2.633 | 0.484 | 7 |
胡颓子 Elaeagnus pungens | 1.845 | 0.045 | 0.930 | 0.771 | 0.969 | 6 |
光果莸 Caryopteris tangutica | -0.868 | 3.954 | -1.762 | -0.186 | 0.130 | 9 |
驼绒藜 Ceratoides latens | -2.400 | -0.489 | -0.101 | 2.249 | -0.874 | 15 |
鲜卑花 Sibiraea laevigata | -1.603 | -0.313 | -1.135 | 0.397 | -0.850 | 14 |
绣线菊 Spiraea salicifoli | 2.813 | 2.824 | -1.454 | -0.600 | 1.404 | 4 |
西北沼委陵菜 Comarum salesovianum | -1.820 | -1.790 | 1.337 | 1.703 | -0.718 | 13 |
华北珍珠梅 Sorbaria kirilowii | 0.234 | -1.672 | 1.225 | 0.603 | 0.015 | 10 |
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