Dynamic Change Characteristics of Litter and Nutrient Return in Subtropical Evergreen Broad-Leaved Forest in Different Extreme Weather Disturbance Years in Ailao Mountain, Yunnan Province
Abstract
:1. Introduction
2. Materials and Methods
2.1. Overview of the Study Area
2.2. Sample Plot Setting and Litter Collection
2.3. Determination of Litter Nutrients
2.4. Calculation of Nutrient Return of Litter
2.5. Data Analysis
3. Results
3.1. Annual Changes in Litter and Composition in Different Years
3.1.1. Annual Variation in Litter Components and Total Amounts in Different Years
3.1.2. Monthly Dynamics of Litter Components in Different Years
3.1.3. Seasonal Dynamics of Litter Fractions in Different Years
3.2. Dynamic Characteristics of Litter Nutrient Contents in Different Years
3.2.1. Annual Average Nutrient Contents of Litter Components in Different Years
3.2.2. Seasonal Dynamics of the Nutrient Contents of Each Component of Litter in Different Years
3.3. Characteristics of Nutrient Return of Litter in Different Years
3.3.1. Annual Nutrient Return from Litter
3.3.2. Seasonal Dynamics of Nutrient Return from Litter in Different Years
4. Discussion
4.1. Litter Dynamics in Different Years
4.2. Nutrient Concentration Dynamics and Nutrient Return of Litter
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Year | Litterfall | ||||
---|---|---|---|---|---|
Litter Branch | Litter Leaf | Litter Fruit (Flower) | Other Litter | Litter Total | |
2005 | 2276.36 ± 260.55 A (25.82%) | 4404.97 ± 170.26 A (49.96%) | 719.90 ± 27.88 A (8.16%) | 1416.27 ± 60.31 (16.06%) | 8817.50 ± 319.67 A (100%) |
2010 | 1357.74 ± 83.05 B (17.26%) | 4739.35 ± 268.05 A (61.52%) | 484.72 ± 27.16 B (6.29%) | 1122.34 ± 67.98 C (14.57%) | 7704.15 ± 400.3 B (100%) |
2015 | 2567.25 ± 465.77 A (32.05%) | 3340.59 ± 142.72 B (41.70%) | 751.02 ± 37.73 A (9.37%) | 1352.02 ± 88.71 B (16.88%) | 8010.87 ± 643.65 B (100%) |
Total average | 2067.12 ± 631.32 Ac (25.28%) | 4161.64 ± 730.44 Ab (50.89%) | 651.88 ± 145.60 Ae (7.97%) | 1296.88 ± 154.53 Bd (15.86%) | 8177.51 ± 575.08 Ba (100%) |
Nutrient | 2005 | 2010 | 2015 | ||||||
---|---|---|---|---|---|---|---|---|---|
Litterfall | Litterfall | Litterfall | |||||||
Litter Branches | Litter Leaves | Average | Litter Branches | Litter Leaves | Average | Litter Branches | Litter Leaves | Average | |
C | 526.44 ± 22.42 aA | 541.10 ± 21.06 aA | 533.77 ± 10.37 aA | 489.31 ± 10.80 aB | 507.25 ± 10.92 aA | 498.28 ± 12.69 aB | 486.95 ± 9.62 aB | 499.21 ± 11.80 aB | 493.08 ± 8.67 aB |
N | 9.13 ± 1.06 bB | 12.80 ± 2.39 bA | 10.97 ± 2.60 bA | 10.22 ± 0.87 bB | 13.81 ± 2.55 bA | 12.02 ± 2.54 bA | 8.75 ± 1.92 bB | 14.78 ± 2.07 bA | 11.77 ± 4.26 bA |
P | 0.48 ± 0.06 dA | 0.70 ± 0.17 dA | 0.59 ± 0.16 dA | 0.49 ± 0.02 dA | 0.74 ± 0.15 dA | 0.62 ± 0.18 dA | 0.56 ± 0.19 dA | 0.87 ± 0.17 dA | 0.72 ± 0.22 dA |
K | 1.99 ± 0.60 cB | 4.79 ± 1.70 cA | 3.39 ± 1.98 cA | 1.80 ± 0.05 cB | 4.55 ± 0.73 cA | 3.18 ± 1.94 cA | 2.82 ± 1.79 cB | 5.46 ± 0.59 cA | 4.14 ± 1.87 cA |
S | 0.87 ± 0.13 dA | 1.20 ± 0.19 dA | 1.04 ± 0.23 dA | 0.92 ± 0.05 dA | 1.25 ± 0.09 dA | 1.09 ± 0.23 dA | 0.76 ± 0.16 dA | 1.26 ± 0.15 dA | 1.01 ± 0.35 dA |
Ca | 15.19 ± 1.87 bA | 13.25 ± 0.99 bA | 14.22 ± 1.37 bA | 14.38 ± 0.95 bA | 12.18 ± 0.61 bA | 13.28 ± 1.56 bA | 10.77 ± 2.78 bA | 10.30 ± 2.33 bA | 10.54 ± 0.33 bB |
Mg | 1.55 ± 0.20 cA | 2.48 ± 0.43 cA | 2.02 ± 0.66 cA | 1.54 ± 0.06 cA | 2.47 ± 0.25 cA | 2.01 ± 0.66 cA | 1.37 ± 0.24 cA | 2.41 ± 0.25 cA | 1.89 ± 0.74 cA |
Year | Components | Season | C | N | P | K | S | Ca | Mg |
---|---|---|---|---|---|---|---|---|---|
2005 | Litter branches | Spring | 547.44 | 9.30 | 0.49 | 2.53 | 0.87 | 15.34 | 1.58 |
Summer | 517.44 | 8.48 | 0.42 | 1.46 | 0.75 | 13.31 | 1.25 | ||
Autumn | 506.06 | 10.28 | 0.55 | 2.03 | 1.04 | 16.80 | 1.69 | ||
Winter | 534.83 | 8.48 | 0.46 | 1.93 | 0.82 | 15.32 | 1.67 | ||
Litter leaves | Spring | 557.11 | 11.29 | 0.60 | 5.98 | 1.14 | 13.74 | 2.75 | |
Summer | 521.50 | 13.96 | 0.74 | 3.50 | 1.20 | 13.29 | 2.04 | ||
Autumn | 531.17 | 12.74 | 0.65 | 4.35 | 1.17 | 13.24 | 2.49 | ||
Winter | 554.06 | 12.79 | 0.78 | 5.58 | 1.25 | 12.82 | 2.65 | ||
Average | Spring | 552.28 | 10.30 | 0.54 | 4.26 | 1.01 | 14.54 | 2.16 | |
Summer | 519.47 | 11.22 | 0.58 | 2.48 | 0.98 | 13.30 | 1.64 | ||
Autumn | 518.61 | 11.51 | 0.60 | 3.19 | 1.11 | 15.02 | 2.09 | ||
Winter | 544.44 | 10.64 | 0.62 | 3.76 | 1.03 | 14.07 | 2.16 | ||
2010 | Litter branches | Spring | 488.75 | 6.63 | 0.36 | 1.68 | 0.60 | 10.20 | 1.38 |
Summer | 502.50 | 11.60 | 0.69 | 4.36 | 0.97 | 12.00 | 1.84 | ||
Autumn | 484.25 | 7.95 | 0.46 | 3.40 | 0.71 | 9.70 | 1.19 | ||
Winter | 484.48 | 9.23 | 0.68 | 3.19 | 0.82 | 9.68 | 1.27 | ||
Litter leaves | Spring | 506.00 | 12.51 | 0.62 | 5.05 | 1.06 | 9.60 | 2.46 | |
Summer | 520.00 | 17.92 | 0.97 | 4.86 | 1.42 | 9.19 | 2.57 | ||
Autumn | 496.50 | 15.46 | 0.89 | 5.62 | 1.38 | 11.69 | 2.62 | ||
Winter | 490.50 | 13.80 | 0.85 | 5.55 | 1.21 | 11.43 | 2.36 | ||
Average | Spring | 497.38 | 9.57 | 0.49 | 3.36 | 0.83 | 9.90 | 1.92 | |
Summer | 511.25 | 14.76 | 0.83 | 4.61 | 1.20 | 10.60 | 2.20 | ||
Autumn | 490.38 | 11.71 | 0.68 | 4.51 | 1.05 | 10.70 | 1.91 | ||
Winter | 487.49 | 11.51 | 0.77 | 4.37 | 1.01 | 10.55 | 1.82 | ||
2015 | Litter branches | Spring | 488.75 | 9.05 | 0.51 | 1.81 | 0.91 | 13.17 | 1.55 |
Summer | 474.25 | 10.33 | 0.50 | 1.73 | 0.86 | 14.32 | 1.48 | ||
Autumn | 497.75 | 11.16 | 0.50 | 1.85 | 0.97 | 14.58 | 1.63 | ||
Winter | 496.50 | 10.34 | 0.47 | 1.82 | 0.96 | 15.47 | 1.51 | ||
Litter leaves | Spring | 520.75 | 11.42 | 0.60 | 5.36 | 1.27 | 12.02 | 2.58 | |
Summer | 494.00 | 17.22 | 0.95 | 4.51 | 1.37 | 12.81 | 2.23 | ||
Autumn | 507.25 | 14.24 | 0.72 | 3.59 | 1.15 | 12.51 | 2.30 | ||
Winter | 507.00 | 12.38 | 0.70 | 4.73 | 1.22 | 11.41 | 2.78 | ||
Average | Spring | 504.75 | 10.24 | 0.56 | 3.58 | 1.09 | 12.59 | 2.06 | |
Summer | 484.13 | 13.77 | 0.72 | 3.12 | 1.12 | 13.57 | 1.85 | ||
Autumn | 502.50 | 12.70 | 0.61 | 2.72 | 1.06 | 13.54 | 1.96 | ||
Winter | 501.75 | 11.36 | 0.59 | 3.28 | 1.09 | 13.44 | 2.14 |
Nutrient | 2005 | 2010 | 2015 | ||||||
---|---|---|---|---|---|---|---|---|---|
Litterfall | Litterfall | Litterfall | |||||||
Branches | Leaves | Total | Branches | Leaves | Total | Branches | Leaves | Total | |
C | 1191.09 ± 261.69 aB | 2390.65 ± 209.59 aA | 3581.74 ± 848.22 | 1127.58 ± 257.77 aA | 1385.35 ± 615.05 aA | 2512.93 ± 182.27 | 663.66 ± 113.75 aB | 2426.98 ± 430.36 aA | 3090.64 ± 1246.86 |
N | 19.93 ± 4.18 cB | 54.92 ± 3.42 bA | 74.85 ± 24.74 | 23.17 ± 6.42 bA | 29.59 ± 11.84 bA | 52.76 ± 4.54 | 13.31 ± 1.93 bB | 61.48 ± 8.20 bA | 74.79 ± 34.06 |
P | 1.03 ± 0.20 dA | 2.96 ± 0.16 dA | 3.99 ± 1.37 | 1.43 ± 0.38 dA | 1.81 ± 0.74 dA | 3.24 ± 0.27 | 0.68 ± 0.12 dB | 3.27 ± 0.42 dA | 3.95 ± 1.83 |
K | 3.95 ± 0.65 dB | 21.98 ± 2.82 cA | 25.93 ± 12.75 | 8.46 ± 2.45 cA | 10.91 ± 4.25 cA | 19.37 ± 1.73 | 2.45 ± 0.42 cB | 22.70 ± 4.77 cA | 25.15 ± 14.32 |
S | 1.84 ± 0.36 dA | 5.19 ± 0.38 dA | 7.04 ± 2.37 | 1.98 ± 0.53 dA | 2.51 ± 1.03 dA | 4.49 ± 0.38 | 1.24 ± 0.21 dA | 5.92 ± 1.03 dA | 7.17 ± 3.31 |
Ca | 32.59 ± 6.43 bB | 58.83 ± 5.28 bA | 91.42 ± 18.56 | 25.23 ± 6.40 bA | 31.62 ± 13.32 bA | 56.85 ± 4.52 | 18.96 ± 2.89 bB | 57.54 ± 9.71 bA | 76.50 ± 27.28 |
Mg | 3.22 ± 0.58 dB | 11.12 ± 1.16 cA | 14.34 ± 5.58 | 3.65 ± 1.01 cA | 4.66 ± 1.86 dA | 8.31 ± 0.72 | 2.09 ± 0.36 cB | 11.85 ± 2.15 cA | 13.94 ± 6.90 |
Total | 1253.66 ± 446.40 | 2545.66 ± 894.11 | 3799.32 | 1191.49 ± 422.27 | 1466.45 ± 518.65 | 2657.94 | 702.39 ± 248.50 | 2589.75 ± 907.37 | 3292.13 |
Year | Components | Season | C | N | P | K | S | Ca | Mg |
---|---|---|---|---|---|---|---|---|---|
2005 | Litter branches | Spring | 139.79 | 2.37 | 0.12 | 0.65 | 0.22 | 3.92 | 0.40 |
Summer | 680.30 | 11.14 | 0.56 | 1.92 | 0.99 | 17.50 | 1.64 | ||
Autumn | 118.58 | 2.41 | 0.13 | 0.48 | 0.24 | 3.94 | 0.40 | ||
Winter | 252.42 | 4.00 | 0.22 | 0.91 | 0.39 | 7.23 | 0.79 | ||
Litter leaves | Spring | 890.75 | 18.05 | 0.96 | 9.56 | 1.82 | 21.96 | 4.39 | |
Summer | 459.91 | 12.31 | 0.65 | 3.08 | 1.06 | 11.72 | 1.80 | ||
Autumn | 606.15 | 14.54 | 0.74 | 4.96 | 1.34 | 15.11 | 2.85 | ||
Winter | 433.84 | 10.01 | 0.61 | 4.37 | 0.98 | 10.04 | 2.08 | ||
2010 | Litter branches | Spring | 336.38 | 6.23 | 0.35 | 1.24 | 0.62 | 9.06 | 1.06 |
Summer | 114.76 | 2.50 | 0.12 | 0.42 | 0.21 | 3.47 | 0.36 | ||
Autumn | 102.50 | 2.30 | 0.10 | 0.38 | 0.20 | 3.00 | 0.34 | ||
Winter | 110.02 | 2.29 | 0.10 | 0.40 | 0.21 | 3.43 | 0.34 | ||
Litter leaves | Spring | 1246.19 | 27.33 | 1.44 | 12.83 | 3.03 | 28.77 | 6.16 | |
Summer | 342.38 | 11.93 | 0.66 | 3.13 | 0.95 | 8.88 | 1.55 | ||
Autumn | 476.20 | 13.37 | 0.67 | 3.37 | 1.08 | 11.74 | 2.16 | ||
Winter | 362.20 | 8.84 | 0.50 | 3.38 | 0.87 | 8.15 | 1.98 | ||
2015 | Litter branches | Spring | 124.81 | 1.69 | 0.09 | 0.43 | 0.15 | 2.61 | 0.35 |
Summer | 660.65 | 15.25 | 0.91 | 5.73 | 1.28 | 15.78 | 2.42 | ||
Autumn | 113.47 | 1.86 | 0.11 | 0.80 | 0.17 | 2.27 | 0.28 | ||
Winter | 228.65 | 4.36 | 0.32 | 1.51 | 0.39 | 4.57 | 0.60 | ||
Litter leaves | Spring | 809.03 | 20.01 | 0.99 | 8.07 | 1.69 | 15.35 | 3.93 | |
Summer | 458.59 | 15.81 | 0.86 | 4.29 | 1.25 | 8.11 | 2.26 | ||
Autumn | 566.59 | 17.64 | 1.02 | 6.41 | 1.58 | 13.34 | 2.99 | ||
Winter | 384.07 | 10.80 | 0.67 | 4.34 | 0.94 | 8.95 | 1.85 |
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Liu, X.; Wang, Z.; Liu, X.; Lu, Z.; Li, D.; Gong, H. Dynamic Change Characteristics of Litter and Nutrient Return in Subtropical Evergreen Broad-Leaved Forest in Different Extreme Weather Disturbance Years in Ailao Mountain, Yunnan Province. Forests 2022, 13, 1660. https://doi.org/10.3390/f13101660
Liu X, Wang Z, Liu X, Lu Z, Li D, Gong H. Dynamic Change Characteristics of Litter and Nutrient Return in Subtropical Evergreen Broad-Leaved Forest in Different Extreme Weather Disturbance Years in Ailao Mountain, Yunnan Province. Forests. 2022; 13(10):1660. https://doi.org/10.3390/f13101660
Chicago/Turabian StyleLiu, Xingyue, Ziyuan Wang, Xi Liu, Zhiyun Lu, Dawen Li, and Hede Gong. 2022. "Dynamic Change Characteristics of Litter and Nutrient Return in Subtropical Evergreen Broad-Leaved Forest in Different Extreme Weather Disturbance Years in Ailao Mountain, Yunnan Province" Forests 13, no. 10: 1660. https://doi.org/10.3390/f13101660
APA StyleLiu, X., Wang, Z., Liu, X., Lu, Z., Li, D., & Gong, H. (2022). Dynamic Change Characteristics of Litter and Nutrient Return in Subtropical Evergreen Broad-Leaved Forest in Different Extreme Weather Disturbance Years in Ailao Mountain, Yunnan Province. Forests, 13(10), 1660. https://doi.org/10.3390/f13101660