瑞士苏黎世大学和Agroscope研究机构开展了一项名为"Proof by Underpants"的公民科学项目，旨在评估不同土壤的生物活性水平1。该项目邀请超过1000名志愿者在瑞士全国各地埋藏2000多条棉质内裤和12000个茶袋，两个月后挖出进行分析1。研究涉及约1000个地点，覆盖瑞士全境1。
研究结果表明，土壤生物活性因土地利用方式的不同而存在显著差异1。私家花园中的棉布分解速度最快，说明该环境中的土壤生物活动最为活跃；草坪的分解速度最慢；农业田地和草地的分解速度则介于两者之间1。苏黎世大学农业生态学教授Marcel van der Heijden表示："我们的结果表明土壤管理方式能显著影响土壤生命和土壤质量"1。
这项研究的论文已发表于《Plants, People, Planet》期刊，约240名公民科学家被列为论文的共同作者1。Agroscope农业生态评估团队负责人Franz Bender指出："最大分解并不在每个生态系统中都是可取的"1。
Researchers from the University of Zurich and Agroscope, Switzerland's federal agricultural research center, launched a citizen science initiative called "Proof by Underpants" to assess soil biological activity across the country 1. The project recruited over 1,000 volunteers who buried more than 2,000 cotton underwear items and 12,000 tea bags at approximately 1,000 locations throughout Switzerland 1. After two months, the materials were excavated and analyzed to measure decomposition rates as an indicator of soil vitality 1.
The findings revealed significant variation in soil health depending on land use 1. Cotton fabric decomposed fastest in private home gardens, suggesting the most active soil biological communities in these settings, while decomposition was slowest in lawns 1. Agricultural fields and grasslands showed intermediate decomposition rates 1. According to Marcel van der Heijden, a professor of agricultural ecology at the University of Zurich, "our results demonstrate that soil management practices can substantially influence soil life and soil quality" 1. Franz Bender, head of the agricultural ecology assessment team at Agroscope, noted that "maximum decomposition is not desirable in every ecosystem," highlighting the nuanced relationship between soil biological activity and ecological function 1. Approximately 240 citizen scientists were credited as co-authors on the research paper, which was published in Plants, People, Planet 1.
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