Acta Prataculturae Sinica ›› 2021, Vol. 30 ›› Issue (4): 80-89.DOI: 10.11686/cyxb2020350
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Qiao-yu LUO1,2(), Yan-long WANG1, Lei DU2, Nian LIU2, Li LI2, Yu-shou MA1()
Received:
2020-05-20
Revised:
2020-10-10
Online:
2021-04-20
Published:
2021-03-16
Contact:
Yu-shou MA
Qiao-yu LUO, Yan-long WANG, Lei DU, Nian LIU, Li LI, Yu-shou MA. Plant community diversity and soil factor interpretation of adaptive region of Deschampsia caespitosa in the source region of the Yellow River[J]. Acta Prataculturae Sinica, 2021, 30(4): 80-89.
群落序号 Community code | 群落类型 Community type | 日期 Date | 经度 Longitude (E) | 纬度 Latitude (N) | 海拔 Altitude (m) | 群落面积 Community area (m2) |
---|---|---|---|---|---|---|
Ⅰ | 发草群落D. caespitosa community | 2018-08-15 | 100°13′29″ | 34°28′14″ | 3730 | 1000 |
Ⅱ | 华扁穗草群落B. sinocompressus community | 2018-08-20 | 100°13′25″ | 34°27′58″ | 3650 | 800 |
Ⅲ | 华扁穗草+发草群落B. sinocompressus+D. caespitosa community | 2018-08-23 | 100°13′22″ | 34°27′57″ | 3646 | 900 |
Ⅳ | 藏嵩草群落K. Schoenoides community | 2018-08-22 | 100°13′28″ | 34°28′17″ | 3640 | 900 |
Ⅴ | 藏嵩草+发草群落K. Schoenoides+D. caespitosa community | 2018-08-21 | 100°13′24″ | 34°28′20″ | 3660 | 1000 |
Table 1 The plant community type and its structure in D. caespitosa adaptive area
群落序号 Community code | 群落类型 Community type | 日期 Date | 经度 Longitude (E) | 纬度 Latitude (N) | 海拔 Altitude (m) | 群落面积 Community area (m2) |
---|---|---|---|---|---|---|
Ⅰ | 发草群落D. caespitosa community | 2018-08-15 | 100°13′29″ | 34°28′14″ | 3730 | 1000 |
Ⅱ | 华扁穗草群落B. sinocompressus community | 2018-08-20 | 100°13′25″ | 34°27′58″ | 3650 | 800 |
Ⅲ | 华扁穗草+发草群落B. sinocompressus+D. caespitosa community | 2018-08-23 | 100°13′22″ | 34°27′57″ | 3646 | 900 |
Ⅳ | 藏嵩草群落K. Schoenoides community | 2018-08-22 | 100°13′28″ | 34°28′17″ | 3640 | 900 |
Ⅴ | 藏嵩草+发草群落K. Schoenoides+D. caespitosa community | 2018-08-21 | 100°13′24″ | 34°28′20″ | 3660 | 1000 |
群落 Community code | 物种丰富度 Species richness (S) | Simpson优势度指数 Simpson dominance index (D) | Shannon-Wiener指数 Shannon-Wiene index (H) | Alatalo均匀度指数 Alatalo evenness index (Ea) | Pielou均匀度指数 Pielou uniformity index(Jsi) |
---|---|---|---|---|---|
Ⅰ | 4±0.00c | 0.69±0.01e | 1.27±0.01e | 0.86±0.01a | 0.92±0.01b |
Ⅱ | 24±0.58b | 0.83±0.01d | 2.51±0.05d | 0.43±0.01d | 0.87±0.01d |
Ⅲ | 23±1.00b | 0.92±0.00a | 2.82±0.03a | 0.77±0.04b | 0.97±0.00a |
Ⅳ | 27±1.15a | 0.86±0.00c | 2.69±0.03b | 0.46±0.01d | 0.90±0.00c |
Ⅴ | 23±0.58b | 0.88±0.01b | 2.62±0.05c | 0.58±0.01c | 0.92±0.01b |
平均Mean | 20±8.40 | 0.84±0.08 | 2.38±0.58 | 0.62±0.18 | 0.91±0.03 |
群落 Community code | Pielou均匀度指数Pielou uniformity index (Jsw) | 发草盖度 Coverage of D. caespitosa (Cd, %) | 发草株高 Height of D. caespitosa (Hd, cm) | 发草生物量 Biomass of D. caespitosa (Bd, g·m-2) | 发草重要值 Value of D. caespitosa (Valued) |
Ⅰ | 0.92±0.01a | 91.67±1.53a | 75.40±2.36a | 681.78±76.93a | 0.453±0.014a |
Ⅱ | 0.80±0.01d | 1.33±0.29d | 37.08±4.91c | 11.33±4.48c | 0.029±0.005c |
Ⅲ | 0.90±0.01b | 20.33±1.53c | 43.87±3.63c | 93.06±14.88b | 0.129±0.017b |
Ⅳ | 0.82±0.00cd | 2.50±1.32d | 56.42±11.43b | 15.68±9.01c | 0.039±0.007c |
Ⅴ | 0.83±0.01c | 30.67±3.79b | 60.40±5.57b | 105.62±15.40b | 0.128±0.003b |
平均Mean | 0.85±0.05 | 29.30±34.29 | 54.63±14.84 | 181.50±263.75 | 0.156±0.160 |
Table 2 Diversity indexes of plant community in D. caespitosa adaptive area (Mean±SD)
群落 Community code | 物种丰富度 Species richness (S) | Simpson优势度指数 Simpson dominance index (D) | Shannon-Wiener指数 Shannon-Wiene index (H) | Alatalo均匀度指数 Alatalo evenness index (Ea) | Pielou均匀度指数 Pielou uniformity index(Jsi) |
---|---|---|---|---|---|
Ⅰ | 4±0.00c | 0.69±0.01e | 1.27±0.01e | 0.86±0.01a | 0.92±0.01b |
Ⅱ | 24±0.58b | 0.83±0.01d | 2.51±0.05d | 0.43±0.01d | 0.87±0.01d |
Ⅲ | 23±1.00b | 0.92±0.00a | 2.82±0.03a | 0.77±0.04b | 0.97±0.00a |
Ⅳ | 27±1.15a | 0.86±0.00c | 2.69±0.03b | 0.46±0.01d | 0.90±0.00c |
Ⅴ | 23±0.58b | 0.88±0.01b | 2.62±0.05c | 0.58±0.01c | 0.92±0.01b |
平均Mean | 20±8.40 | 0.84±0.08 | 2.38±0.58 | 0.62±0.18 | 0.91±0.03 |
群落 Community code | Pielou均匀度指数Pielou uniformity index (Jsw) | 发草盖度 Coverage of D. caespitosa (Cd, %) | 发草株高 Height of D. caespitosa (Hd, cm) | 发草生物量 Biomass of D. caespitosa (Bd, g·m-2) | 发草重要值 Value of D. caespitosa (Valued) |
Ⅰ | 0.92±0.01a | 91.67±1.53a | 75.40±2.36a | 681.78±76.93a | 0.453±0.014a |
Ⅱ | 0.80±0.01d | 1.33±0.29d | 37.08±4.91c | 11.33±4.48c | 0.029±0.005c |
Ⅲ | 0.90±0.01b | 20.33±1.53c | 43.87±3.63c | 93.06±14.88b | 0.129±0.017b |
Ⅳ | 0.82±0.00cd | 2.50±1.32d | 56.42±11.43b | 15.68±9.01c | 0.039±0.007c |
Ⅴ | 0.83±0.01c | 30.67±3.79b | 60.40±5.57b | 105.62±15.40b | 0.128±0.003b |
平均Mean | 0.85±0.05 | 29.30±34.29 | 54.63±14.84 | 181.50±263.75 | 0.156±0.160 |
土层 Soil layer (cm) | 群落 Community code | 全N Total N (%) | 全P Total P (mg·g-1) | 全K Total K (mg·g-1) | 全C Total C (%) | 有机质 SOM (%) | pH | 土壤含水量 W (%) |
---|---|---|---|---|---|---|---|---|
0~10 | Ⅰ | 0.25±0.04b | 0.24±0.02c | 6.50±1.55ab | 3.43±0.21b | 3.88±1.25b | 7.14±0.10a | 31.45±0.53c |
Ⅱ | 0.34±0.06b | 0.46±0.03b | 2.76±1.30b | 4.30±0.60b | 3.45±1.42b | 6.66±0.24b | 42.57±6.45b | |
Ⅲ | 0.33±0.11b | 0.48±0.03b | 6.99±5.11ab | 5.54±0.79b | 5.48±1.45b | 7.22±0.27a | 44.29±4.41b | |
Ⅳ | 1.17±0.32a | 0.60±0.06a | 11.53±3.68a | 15.07±4.13a | 19.64±2.70a | 6.80±0.12b | 64.92±1.81a | |
Ⅴ | 1.13±0.13a | 0.55±0.08ab | 5.62±2.84ab | 13.42±1.38a | 20.29±2.73a | 6.76±0.07b | 59.87±2.74a | |
平均Mean | 0.64±0.45 | 0.46±0.13 | 6.68±4.00 | 8.35±5.33 | 10.55±8.17 | 6.92±0.28 | 48.62±13.01 | |
10~20 | Ⅰ | 0.27±0.04b | 0.17±0.02c | 6.55±4.89b | 3.28±0.39c | 2.99±1.40c | 7.14±0.12b | 35.51±4.83b |
Ⅱ | 0.23±0.03b | 0.39±0.03b | 6.59±1.90b | 3.70±0.28bc | 4.04±1.71c | 6.85±0.10c | 39.43±6.02ab | |
Ⅲ | 0.40±0.24b | 0.41±0.03b | 17.00±2.36a | 5.64±2.42bc | 9.78±2.70b | 7.41±0.13a | 43.51±19.72ab | |
Ⅳ | 0.48±0.24b | 0.53±0.06a | 9.10±0.56b | 7.48±3.59b | 11.96±1.13ab | 6.83±0.04c | 49.68±4.27ab | |
Ⅴ | 0.80±0.12a | 0.48±0.08ab | 4.88±4.37b | 11.23±1.08a | 14.85±3.92a | 6.77±0.06c | 59.07±6.63a | |
平均Mean | 0.44±0.25 | 0.39±0.13 | 8.82±5.23 | 6.27±3.45 | 8.73±5.14 | 7.00±0.26 | 45.44±12.09 |
Table 3 The general situation of plant community soil factors in D. caespitosa adaptive area (Mean±SD)
土层 Soil layer (cm) | 群落 Community code | 全N Total N (%) | 全P Total P (mg·g-1) | 全K Total K (mg·g-1) | 全C Total C (%) | 有机质 SOM (%) | pH | 土壤含水量 W (%) |
---|---|---|---|---|---|---|---|---|
0~10 | Ⅰ | 0.25±0.04b | 0.24±0.02c | 6.50±1.55ab | 3.43±0.21b | 3.88±1.25b | 7.14±0.10a | 31.45±0.53c |
Ⅱ | 0.34±0.06b | 0.46±0.03b | 2.76±1.30b | 4.30±0.60b | 3.45±1.42b | 6.66±0.24b | 42.57±6.45b | |
Ⅲ | 0.33±0.11b | 0.48±0.03b | 6.99±5.11ab | 5.54±0.79b | 5.48±1.45b | 7.22±0.27a | 44.29±4.41b | |
Ⅳ | 1.17±0.32a | 0.60±0.06a | 11.53±3.68a | 15.07±4.13a | 19.64±2.70a | 6.80±0.12b | 64.92±1.81a | |
Ⅴ | 1.13±0.13a | 0.55±0.08ab | 5.62±2.84ab | 13.42±1.38a | 20.29±2.73a | 6.76±0.07b | 59.87±2.74a | |
平均Mean | 0.64±0.45 | 0.46±0.13 | 6.68±4.00 | 8.35±5.33 | 10.55±8.17 | 6.92±0.28 | 48.62±13.01 | |
10~20 | Ⅰ | 0.27±0.04b | 0.17±0.02c | 6.55±4.89b | 3.28±0.39c | 2.99±1.40c | 7.14±0.12b | 35.51±4.83b |
Ⅱ | 0.23±0.03b | 0.39±0.03b | 6.59±1.90b | 3.70±0.28bc | 4.04±1.71c | 6.85±0.10c | 39.43±6.02ab | |
Ⅲ | 0.40±0.24b | 0.41±0.03b | 17.00±2.36a | 5.64±2.42bc | 9.78±2.70b | 7.41±0.13a | 43.51±19.72ab | |
Ⅳ | 0.48±0.24b | 0.53±0.06a | 9.10±0.56b | 7.48±3.59b | 11.96±1.13ab | 6.83±0.04c | 49.68±4.27ab | |
Ⅴ | 0.80±0.12a | 0.48±0.08ab | 4.88±4.37b | 11.23±1.08a | 14.85±3.92a | 6.77±0.06c | 59.07±6.63a | |
平均Mean | 0.44±0.25 | 0.39±0.13 | 8.82±5.23 | 6.27±3.45 | 8.73±5.14 | 7.00±0.26 | 45.44±12.09 |
多样性指数 Diversity index | 盖度 Coverage (Cd) | 株高 Height (Hd) | 生物量 Biomass (Bd) | 重要值 Valued |
---|---|---|---|---|
S | -0.946*** | -0.653** | -0.974*** | -0.960*** |
D | -0.784** | -0.617* | -0.864*** | -0.797*** |
H | -0.907*** | -0.693** | -0.954*** | -0.917*** |
Ea | 0.827*** | 0.518* | 0.779** | 0.849*** |
Jsi | 0.291 | 0.160 | 0.178 | 0.300 |
Jsw | 0.764** | 0.464 | 0.736** | 0.800*** |
Table 4 Correlation analysis of population characteristics of D. caespitosa and community species diversity
多样性指数 Diversity index | 盖度 Coverage (Cd) | 株高 Height (Hd) | 生物量 Biomass (Bd) | 重要值 Valued |
---|---|---|---|---|
S | -0.946*** | -0.653** | -0.974*** | -0.960*** |
D | -0.784** | -0.617* | -0.864*** | -0.797*** |
H | -0.907*** | -0.693** | -0.954*** | -0.917*** |
Ea | 0.827*** | 0.518* | 0.779** | 0.849*** |
Jsi | 0.291 | 0.160 | 0.178 | 0.300 |
Jsw | 0.764** | 0.464 | 0.736** | 0.800*** |
土层 Soil layer (cm) | 土壤指标 Soil indicator | 盖度 Coverage (Cd) | 株高 Height (Hd) | 生物量 Biomass (Bd) | 重要值 Valued |
---|---|---|---|---|---|
0~10 | N | -0.373 | 0.119 | -0.442 | -0.436 |
P | -0.816*** | -0.330 | -0.863*** | -0.837*** | |
K | -0.072 | 0.133 | -0.029 | -0.051 | |
C | -0.403 | 0.090 | -0.466 | -0.455 | |
SOM | -0.314 | 0.200 | -0.401 | -0.381 | |
pH | 0.491 | 0.304 | 0.482 | 0.545* | |
W | -0.615* | -0.106 | -0.668** | -0.660** | |
10~20 | N | -0.127 | 0.306 | -0.258 | -0.184 |
P | -0.816** | -0.330 | -0.863** | -0.837** | |
K | -0.208 | -0.280 | -0.240 | -0.154 | |
C | -0.251 | 0.185 | -0.375 | -0.313 | |
SOM | -0.388 | 0.067 | -0.509 | -0.434 | |
pH | 0.328 | -0.001 | 0.312 | 0.392 | |
W | -0.260 | 0.094 | -0.349 | -0.304 |
Table 5 Correlation analysis of population characteristics of D. caespitosa and soil factors
土层 Soil layer (cm) | 土壤指标 Soil indicator | 盖度 Coverage (Cd) | 株高 Height (Hd) | 生物量 Biomass (Bd) | 重要值 Valued |
---|---|---|---|---|---|
0~10 | N | -0.373 | 0.119 | -0.442 | -0.436 |
P | -0.816*** | -0.330 | -0.863*** | -0.837*** | |
K | -0.072 | 0.133 | -0.029 | -0.051 | |
C | -0.403 | 0.090 | -0.466 | -0.455 | |
SOM | -0.314 | 0.200 | -0.401 | -0.381 | |
pH | 0.491 | 0.304 | 0.482 | 0.545* | |
W | -0.615* | -0.106 | -0.668** | -0.660** | |
10~20 | N | -0.127 | 0.306 | -0.258 | -0.184 |
P | -0.816** | -0.330 | -0.863** | -0.837** | |
K | -0.208 | -0.280 | -0.240 | -0.154 | |
C | -0.251 | 0.185 | -0.375 | -0.313 | |
SOM | -0.388 | 0.067 | -0.509 | -0.434 | |
pH | 0.328 | -0.001 | 0.312 | 0.392 | |
W | -0.260 | 0.094 | -0.349 | -0.304 |
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