Land use change is still a major source of carbon dynamics emission due to burning and cultivation, which caused to decline soil organic carbon contents in soils and degrade soil quality.
因烧垦而引起的土地利用变化仍然是碳素释放的主要来源，从而导致了土壤有机碳含量下降和土壤质量退化。
The change in the parameters or indicators of karst groundwater quality also reflects the modification of land use types and intensity in the three study regions.
土地利用类型和土地利用强度的差异也能从三个研究区水质主要化学指标的不同得到体现。
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