Acta Prataculturae Sinica ›› 2024, Vol. 33 ›› Issue (2): 138-153.DOI: 10.11686/cyxb2023108
Peng DUAN1(), Rong-yi WEI1, Fang-ping WANG1, Bu-qing YAO2(), Zhi-zhong ZHAO1,3(), Bi-xia HU1, Ci SONG2,4, Ping YANG2,4, Ting WANG1
Received:
2023-04-06
Revised:
2023-05-12
Online:
2024-02-20
Published:
2023-12-12
Contact:
Bu-qing YAO,Zhi-zhong ZHAO
Peng DUAN, Rong-yi WEI, Fang-ping WANG, Bu-qing YAO, Zhi-zhong ZHAO, Bi-xia HU, Ci SONG, Ping YANG, Ting WANG. Effects of adding different nutrients on soil microbial carbon source utilization in degraded alpine wetland in the source region of the Yellow River[J]. Acta Prataculturae Sinica, 2024, 33(2): 138-153.
指标 Indicators | 退化 Degradation | 养分添加 Nutrient addition | 退化+养分添加 Degradation+nutrient addition |
---|---|---|---|
植被性质Properties of vegetation | |||
盖度Coverage | 10.985** | 0.649 | 0.093 |
地上生物量Aboveground biomass | 2.211 | 1.390 | 0.226 |
地下生物量Under ground biomass | 25.350*** | 11.810** | 18.480*** |
土壤性质Properties of soil | |||
全氮Total nitrogen | 54.215*** | 3.659 | 0.007 |
全磷Total phosphorus | 13.647*** | 0.187 | 1.199 |
有机碳Total organic carbon | 2.833 | 1.176 | 0.610 |
含水量Moisture content | 259.000*** | 44.640*** | 15.260*** |
pH | 3.485 | 10.614** | 0.005 |
微生物性质Properties of microorganism | |||
颜色平均变化率Average well color development | 9.520** | 5.551* | 2.938 |
Table 1 Two-factor ANOVA analysis of vegetation, soil and microbial status (F value)
指标 Indicators | 退化 Degradation | 养分添加 Nutrient addition | 退化+养分添加 Degradation+nutrient addition |
---|---|---|---|
植被性质Properties of vegetation | |||
盖度Coverage | 10.985** | 0.649 | 0.093 |
地上生物量Aboveground biomass | 2.211 | 1.390 | 0.226 |
地下生物量Under ground biomass | 25.350*** | 11.810** | 18.480*** |
土壤性质Properties of soil | |||
全氮Total nitrogen | 54.215*** | 3.659 | 0.007 |
全磷Total phosphorus | 13.647*** | 0.187 | 1.199 |
有机碳Total organic carbon | 2.833 | 1.176 | 0.610 |
含水量Moisture content | 259.000*** | 44.640*** | 15.260*** |
pH | 3.485 | 10.614** | 0.005 |
微生物性质Properties of microorganism | |||
颜色平均变化率Average well color development | 9.520** | 5.551* | 2.938 |
项目 Item | 退化梯度 Degraded gradient | 处理Treatments | |||
---|---|---|---|---|---|
对照 Control (CK) | 氮添加 Nitrogen addition (N) | 磷添加 Phosphorus addition (P) | 有机掺混肥添加 Organic mixed fertilizer addition(S) | ||
盖度 Coverage (%) | LD | 80.10±0.36Ad | 90.57±0.74Ac | 94.90±0.56Ab | 98.10±0.66Aa |
MD | 69.80±0.40Bb | 79.60±0.53Ba | 50.47±0.45Cd | 60.40±0.87Cc | |
SD | 60.00±0.35Cc | 79.77±0.78Ba | 80.77±0.75Ba | 74.77±0.25Bb | |
平均Average | 70.78 | 83.31 | 75.38 | 77.76 | |
地上生物量 Aboveground biomass (g·m-2) | LD | 116.00±1.44Ac | 174.60±2.20Aa | 116.20±0.96Bc | 168.36±2.76Ab |
MD | 90.00±0.79Bc | 148.20±2.29Ca | 67.99±2.17Cd | 129.31±2.87Bb | |
SD | 84.00±1.76Bd | 169.60±2.12Ba | 127.87±2.41Ab | 112.00±1.83Cc | |
平均Average | 96.93 | 164.13 | 104.02 | 136.56 | |
地下生物量 Underground biomass (g·m-2) | LD | 175.85±0.99Aa | 110.63±0.64Ad | 124.01±0.51Ac | 135.58±0.91Bb |
MD | 89.33±0.58Bc | 100.53±0.67Bb | 76.13±0.33Cd | 166.48±0.68Aa | |
SD | 40.03±0.66Cd | 96.14±0.60Cb | 83.45±0.77Bc | 132.13±0.82Ca | |
平均Average | 101.73 | 102.43 | 94.53 | 144.73 |
Table 2 Characteristics of vegetation community in degraded alpine wetland with different nutrients in 2018
项目 Item | 退化梯度 Degraded gradient | 处理Treatments | |||
---|---|---|---|---|---|
对照 Control (CK) | 氮添加 Nitrogen addition (N) | 磷添加 Phosphorus addition (P) | 有机掺混肥添加 Organic mixed fertilizer addition(S) | ||
盖度 Coverage (%) | LD | 80.10±0.36Ad | 90.57±0.74Ac | 94.90±0.56Ab | 98.10±0.66Aa |
MD | 69.80±0.40Bb | 79.60±0.53Ba | 50.47±0.45Cd | 60.40±0.87Cc | |
SD | 60.00±0.35Cc | 79.77±0.78Ba | 80.77±0.75Ba | 74.77±0.25Bb | |
平均Average | 70.78 | 83.31 | 75.38 | 77.76 | |
地上生物量 Aboveground biomass (g·m-2) | LD | 116.00±1.44Ac | 174.60±2.20Aa | 116.20±0.96Bc | 168.36±2.76Ab |
MD | 90.00±0.79Bc | 148.20±2.29Ca | 67.99±2.17Cd | 129.31±2.87Bb | |
SD | 84.00±1.76Bd | 169.60±2.12Ba | 127.87±2.41Ab | 112.00±1.83Cc | |
平均Average | 96.93 | 164.13 | 104.02 | 136.56 | |
地下生物量 Underground biomass (g·m-2) | LD | 175.85±0.99Aa | 110.63±0.64Ad | 124.01±0.51Ac | 135.58±0.91Bb |
MD | 89.33±0.58Bc | 100.53±0.67Bb | 76.13±0.33Cd | 166.48±0.68Aa | |
SD | 40.03±0.66Cd | 96.14±0.60Cb | 83.45±0.77Bc | 132.13±0.82Ca | |
平均Average | 101.73 | 102.43 | 94.53 | 144.73 |
项目 Item | 退化梯度 Degraded gradient | 处理Treatments | |||
---|---|---|---|---|---|
对照 Control (CK) | 氮添加 Nitrogen addition (N) | 磷添加 Phosphorus addition (P) | 有机肥掺混肥添加 Organic mixed fertilizer addition(S) | ||
全氮 Total nitrogen (g·kg-1) | LD | 1.43±0.10Abc | 1.10±0.07Ac | 1.91±0.24Aa | 1.63±0.24Aab |
MD | 1.12±0.11Ba | 1.04±0.08Aab | 1.19±0.06Ba | 0.86±0.06Bb | |
SD | 0.62±0.05Cb | 0.74±0.07Bab | 0.72±0.06Cb | 1.07±0.23Ba | |
平均Average | 1.06 | 0.96 | 1.28 | 1.18 | |
全磷 Total phosphorus (g·kg-1) | LD | 0.44±0.04Ab | 1.10±0.10Aa | 1.01±0.09Aa | 0.55±0.05Ab |
MD | 0.46±0.05Aa | 0.45±0.05Ba | 0.43±0.05Ba | 0.46±0.04Aa | |
SD | 0.34±0.03Ba | 0.37±0.04Ba | 0.40±0.04Ba | 0.39±0.03Ba | |
平均Average | 0.41 | 0.64 | 0.61 | 0.47 | |
有机碳 Organic carbon (g·kg-1) | LD | 40.36±4.90ABa | 39.51±0.19ABa | 41.07±4.52Aa | 39.55±4.50Aa |
MD | 45.12±3.51Aa | 43.08±3.24Aa | 42.32±4.81Aa | 36.60±6.91Aa | |
SD | 36.27±2.30Ba | 36.34±2.69Ba | 35.22±4.96Aa | 38.56±2.40Aa | |
平均Average | 40.58 | 39.65 | 39.54 | 38.34 | |
含水量 Moisture content (m3·m-3) | LD | 0.43±0.01Aa | 0.37±0.01Ab | 0.37±0.01Ab | 0.33±0.01Ab |
MD | 0.38±0.01Ba | 0.31±0.01Bb | 0.27±0.01Bc | 0.28±0.01Bc | |
SD | 0.23±0.01Cab | 0.24±0.01Cab | 0.25±0.02Ba | 0.23±0.03Cb | |
平均Average | 0.40 | 0.31 | 0.30 | 0.28 | |
pH | LD | 8.88±0.02Ba | 8.77±0.04Aa | 8.55±0.12Ab | 8.60±0.03Bb |
MD | 8.52±0.02Cb | 8.94±0.15Aa | 8.40±0.06Ab | 8.39±0.03Cb | |
SD | 9.04±0.02Aa | 8.97±0.27Aab | 8.58±0.19Ab | 8.83±0.02Aab | |
平均Average | 8.81 | 8.89 | 8.51 | 8.61 |
Table 3 Physical-chemical characteristics of soil under different nutrients in degraded alpine wetland in 2018
项目 Item | 退化梯度 Degraded gradient | 处理Treatments | |||
---|---|---|---|---|---|
对照 Control (CK) | 氮添加 Nitrogen addition (N) | 磷添加 Phosphorus addition (P) | 有机肥掺混肥添加 Organic mixed fertilizer addition(S) | ||
全氮 Total nitrogen (g·kg-1) | LD | 1.43±0.10Abc | 1.10±0.07Ac | 1.91±0.24Aa | 1.63±0.24Aab |
MD | 1.12±0.11Ba | 1.04±0.08Aab | 1.19±0.06Ba | 0.86±0.06Bb | |
SD | 0.62±0.05Cb | 0.74±0.07Bab | 0.72±0.06Cb | 1.07±0.23Ba | |
平均Average | 1.06 | 0.96 | 1.28 | 1.18 | |
全磷 Total phosphorus (g·kg-1) | LD | 0.44±0.04Ab | 1.10±0.10Aa | 1.01±0.09Aa | 0.55±0.05Ab |
MD | 0.46±0.05Aa | 0.45±0.05Ba | 0.43±0.05Ba | 0.46±0.04Aa | |
SD | 0.34±0.03Ba | 0.37±0.04Ba | 0.40±0.04Ba | 0.39±0.03Ba | |
平均Average | 0.41 | 0.64 | 0.61 | 0.47 | |
有机碳 Organic carbon (g·kg-1) | LD | 40.36±4.90ABa | 39.51±0.19ABa | 41.07±4.52Aa | 39.55±4.50Aa |
MD | 45.12±3.51Aa | 43.08±3.24Aa | 42.32±4.81Aa | 36.60±6.91Aa | |
SD | 36.27±2.30Ba | 36.34±2.69Ba | 35.22±4.96Aa | 38.56±2.40Aa | |
平均Average | 40.58 | 39.65 | 39.54 | 38.34 | |
含水量 Moisture content (m3·m-3) | LD | 0.43±0.01Aa | 0.37±0.01Ab | 0.37±0.01Ab | 0.33±0.01Ab |
MD | 0.38±0.01Ba | 0.31±0.01Bb | 0.27±0.01Bc | 0.28±0.01Bc | |
SD | 0.23±0.01Cab | 0.24±0.01Cab | 0.25±0.02Ba | 0.23±0.03Cb | |
平均Average | 0.40 | 0.31 | 0.30 | 0.28 | |
pH | LD | 8.88±0.02Ba | 8.77±0.04Aa | 8.55±0.12Ab | 8.60±0.03Bb |
MD | 8.52±0.02Cb | 8.94±0.15Aa | 8.40±0.06Ab | 8.39±0.03Cb | |
SD | 9.04±0.02Aa | 8.97±0.27Aab | 8.58±0.19Ab | 8.83±0.02Aab | |
平均Average | 8.81 | 8.89 | 8.51 | 8.61 |
样地 Samples | 单糖/糖苷/聚合物类 Carbohydrates | 氨基酸类 Amino acids | 酯类 Ester | 醇类 Alcohol | 胺类 Amines/amides | 酸类 Acids | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | |
LD | 1.10±0.28ab | 19.43 | 0.83±0.12bc | 14.64 | 1.16±0.11a | 20.42 | 0.97±0.05abc | 17.12 | 0.87±0.03abc | 15.35 | 0.74±0.17c | 13.04 |
LD+N | 0.28±0.44a | 7.67 | 0.74±0.70a | 20.35 | 1.01±0.91a | 27.96 | 0.66±0.80a | 18.24 | 0.44±0.18a | 12.20 | 0.49±0.54a | 13.58 |
LD+P | 0.49±0.20a | 16.13 | 0.51±0.30a | 16.73 | 0.48±0.37a | 15.72 | 0.65±0.30a | 21.38 | 0.52±0.25a | 17.05 | 0.39±0.28a | 12.98 |
LD+S | 0.19±0.18c | 4.13 | 0.94±0.11ab | 20.11 | 1.21±0.18a | 25.92 | 0.87±0.03b | 18.64 | 0.67±0.09b | 14.31 | 0.79±0.18b | 16.89 |
MD | 0.54±0.06c | 12.21 | 0.98±0.11ab | 22.07 | 1.05±0.05a | 23.80 | 0.66±0.14bc | 14.91 | 0.53±0.20c | 11.93 | 0.67±0.06bc | 15.07 |
MD+N | 0.78±0.12b | 14.04 | 1.02±0.13ab | 18.35 | 1.09±0.07a | 19.61 | 0.91±0.12ab | 16.39 | 0.99±0.14ab | 17.74 | 0.77±0.05b | 13.86 |
MD+P | 0.05±0.02d | 2.50 | 0.39±0.14b | 21.07 | 0.65±0.10a | 34.91 | 0.34±0.03b | 18.25 | 0.13±0.02cd | 7.02 | 0.30±0.01bc | 16.25 |
MD+S | 0.28±0.25c | 8.73 | 0.69±0.11ab | 21.57 | 0.87±0.06a | 27.13 | 0.47±0.11bc | 14.71 | 0.32±0.19c | 10.08 | 0.57±0.12bc | 17.78 |
SD | 0.04±0.04d | 1.08 | 0.85±0.12a | 23.23 | 1.00±0.11a | 27.37 | 0.55±0.04bc | 15.05 | 0.52±0.05c | 14.33 | 0.69±0.05b | 18.94 |
SD+N | 0.05±0.03d | 1.91 | 0.64±0.23a | 24.55 | 0.62±0.10ab | 23.91 | 0.58±0.04ab | 22.12 | 0.39±0.07bc | 14.83 | 0.33±0.12c | 12.68 |
SD+P | 0.20±0.19b | 4.03 | 1.13±0.39a | 23.07 | 1.18±0.48a | 24.12 | 0.85±0.36ab | 17.37 | 0.77±0.36ab | 15.75 | 0.77±0.17ab | 15.66 |
SD+S | 0.46±0.04b | 14.82 | 0.34±0.01b | 11.11 | 0.82±0.22a | 26.75 | 0.54±0.07b | 17.61 | 0.41±0.06b | 13.48 | 0.50±0.06b | 16.23 |
Table 4 Utilization of various carbon sources by soil microorganisms in different degradation stages of alpine wetlands
样地 Samples | 单糖/糖苷/聚合物类 Carbohydrates | 氨基酸类 Amino acids | 酯类 Ester | 醇类 Alcohol | 胺类 Amines/amides | 酸类 Acids | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | AWCD | P (%) | |
LD | 1.10±0.28ab | 19.43 | 0.83±0.12bc | 14.64 | 1.16±0.11a | 20.42 | 0.97±0.05abc | 17.12 | 0.87±0.03abc | 15.35 | 0.74±0.17c | 13.04 |
LD+N | 0.28±0.44a | 7.67 | 0.74±0.70a | 20.35 | 1.01±0.91a | 27.96 | 0.66±0.80a | 18.24 | 0.44±0.18a | 12.20 | 0.49±0.54a | 13.58 |
LD+P | 0.49±0.20a | 16.13 | 0.51±0.30a | 16.73 | 0.48±0.37a | 15.72 | 0.65±0.30a | 21.38 | 0.52±0.25a | 17.05 | 0.39±0.28a | 12.98 |
LD+S | 0.19±0.18c | 4.13 | 0.94±0.11ab | 20.11 | 1.21±0.18a | 25.92 | 0.87±0.03b | 18.64 | 0.67±0.09b | 14.31 | 0.79±0.18b | 16.89 |
MD | 0.54±0.06c | 12.21 | 0.98±0.11ab | 22.07 | 1.05±0.05a | 23.80 | 0.66±0.14bc | 14.91 | 0.53±0.20c | 11.93 | 0.67±0.06bc | 15.07 |
MD+N | 0.78±0.12b | 14.04 | 1.02±0.13ab | 18.35 | 1.09±0.07a | 19.61 | 0.91±0.12ab | 16.39 | 0.99±0.14ab | 17.74 | 0.77±0.05b | 13.86 |
MD+P | 0.05±0.02d | 2.50 | 0.39±0.14b | 21.07 | 0.65±0.10a | 34.91 | 0.34±0.03b | 18.25 | 0.13±0.02cd | 7.02 | 0.30±0.01bc | 16.25 |
MD+S | 0.28±0.25c | 8.73 | 0.69±0.11ab | 21.57 | 0.87±0.06a | 27.13 | 0.47±0.11bc | 14.71 | 0.32±0.19c | 10.08 | 0.57±0.12bc | 17.78 |
SD | 0.04±0.04d | 1.08 | 0.85±0.12a | 23.23 | 1.00±0.11a | 27.37 | 0.55±0.04bc | 15.05 | 0.52±0.05c | 14.33 | 0.69±0.05b | 18.94 |
SD+N | 0.05±0.03d | 1.91 | 0.64±0.23a | 24.55 | 0.62±0.10ab | 23.91 | 0.58±0.04ab | 22.12 | 0.39±0.07bc | 14.83 | 0.33±0.12c | 12.68 |
SD+P | 0.20±0.19b | 4.03 | 1.13±0.39a | 23.07 | 1.18±0.48a | 24.12 | 0.85±0.36ab | 17.37 | 0.77±0.36ab | 15.75 | 0.77±0.17ab | 15.66 |
SD+S | 0.46±0.04b | 14.82 | 0.34±0.01b | 11.11 | 0.82±0.22a | 26.75 | 0.54±0.07b | 17.61 | 0.41±0.06b | 13.48 | 0.50±0.06b | 16.23 |
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