Farmland Changes and Their Ecological Impact in the Huangshui River Basin
Abstract
:1. Introduction
2. Materials and Methods
2.1. The Study Area
2.2. Data Sources
2.3. Research Method
2.3.1. Data Acquisition and Analysis of Farmland Changes
2.3.2. Calculation of the NDVI Change Rate
2.3.3. Ecological Impact of Farmland Changes
3. Results
3.1. Farmland Changes and Their Spatial Variation
3.2. Impact of Farmland Changes on the Regional NDVI Value
4. Discussion
4.1. Farmland Area Changes and Causes
4.2. Causes of Greening Trend and Contribution of Farmland Changes
4.3. Implications for Farmland Protection
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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County | Farmland Area (k ha) | Area Change (%) | Annual Change rate (%) | |
---|---|---|---|---|
2000 | 2018 | |||
Chengxi | 0.70 | 0.10 | −85.03 | −10.01 |
Chengbei | 4.19 | 1.64 | −60.82 | −5.07 |
Chengdong | 0.62 | 0.30 | −51.81 | −3.97 |
Ledu | 31.67 | 17.23 | −45.59 | −3.32 |
Chengzhong | 0.04 | 0.03 | −42.78 | −3.05 |
Huzhu | 80.86 | 61.54 | −23.90 | −1.51 |
Huangzhong | 90.78 | 69.85 | −23.05 | −1.45 |
Huangyuan | 27.08 | 22.35 | −17.49 | −1.06 |
Datong | 68.18 | 57.37 | −15.86 | −0.95 |
Pingan | 16.04 | 14.61 | −8.91 | −0.52 |
Total | 320.15 | 245.01 | −23.47 | −1.48 |
Period | HRB | ER | BO | FR | UF | FL |
---|---|---|---|---|---|---|
Annual | 8.27 | 14.55 | 18.02 | 13.40 | 10.14 | 3.90 |
May | 21.45 | 30.89 | 41.08 | 25.22 | 26.55 | 12.57 |
June | 7.54 | 11.80 | 27.29 | 10.40 | 9.15 | 4.08 |
July | 6.52 | 11.09 | 19.10 | 10.38 | 6.88 | 2.88 |
August | 11.38 | 17.01 | 15.56 | 16.29 | 14.69 | 6.67 |
September | 29.48 | 41.09 | 30.03 | 39.69 | 41.41 | 18.67 |
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Wei, H.; Lu, C.; Liu, Y. Farmland Changes and Their Ecological Impact in the Huangshui River Basin. Land 2021, 10, 1082. https://doi.org/10.3390/land10101082
Wei H, Lu C, Liu Y. Farmland Changes and Their Ecological Impact in the Huangshui River Basin. Land. 2021; 10(10):1082. https://doi.org/10.3390/land10101082
Chicago/Turabian StyleWei, Hui, Changhe Lu, and Yaqun Liu. 2021. "Farmland Changes and Their Ecological Impact in the Huangshui River Basin" Land 10, no. 10: 1082. https://doi.org/10.3390/land10101082