请将下面这段摘自某scientific submission的句子总结到不超过100个汉字，并确保保留背景及影响分析：bare lands serve as control points for spatial analysis, contributing to the disparity of vegetation coverage, soil erosion rate, and overall landscape heterogeneity in the eco-environmental research.
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裸地作为空间分析的对照点，影响植被覆盖率、土壤侵蚀率及景观异质性，对生态研究有重要贡献。
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