1. To ensure standardized, quantitative and repeatable methodologies, marine ecologists have engineered a range of artificial units to survey benthic communities with varying designs depending on target taxa, life history stage and habitat. In tropical ecosystems, autonomous units have typically lacked microhabitat complexity (e.g. planar tiles), short‐term efficacy (<1 year deployment) and/or a truly standardized design to sample cryptobenthic diversity.
2. Coral rubble is characterized by high microhabitat complexity, which is unresolved in sampling efforts. Yet, rubble can support the greatest density and diversity of metazoan taxa.
3. We engineered RUbble Biodiversity Samplers (RUBS) as a dismantlable lightweight 3D‐printed model to standardize cryptobenthic biodiversity sampling.
4. We demonstrate the effectiveness of RUBS with preliminary results from short‐term (1–14 days) deployments in Palau, Western Micronesia.
5. RUbble Biodiversity Samplers uphold the microhabitat complexity inherent in coral rubble (~50% interstitial space) and provide an effective and efficient methodology to sample cryptobenthic fauna, which could be applied in comparative studies.
6. The RUBS concept provides a platform for the broader implementation of 3D‐printed models in marine ecology to overcome issues of standardization regardless of habitat type.

中文翻译：

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瓦砾生物多样性采样器：3D打印的珊瑚模型可标准化生物多样性普查

1. 为了确保标准化，定量和可重复的方法，海洋生态学家设计了一系列人工单位，根据目标分类，生活史阶段和栖息地对底栖生物群落进行不同设计的调查。在热带生态系统中，自治单位通常缺乏微观栖息地的复杂性（例如，平铺砖），短期功效（<1年部署）和/或真正真正的标准化设计来采样底栖生物多样性。
2. 珊瑚瓦砾具有微生境复杂性高的特点，而采样工作尚未解决。但是，瓦砾可以支持后生类群的最大密度和多样性。
3. 我们将RUbble生物多样性采样器（RUBS）设计为可分解的轻型3D打印模型，以标准化隐栖生物多样性采样。
4. 我们通过在密克罗尼西亚帕劳的短期（1-14天）部署的初步结果证明了RUBS的有效性。
5. 瓦砾生物多样性采样器支持珊瑚瓦砾固有的微生境复杂性（约50％的间隙空间），并提供了一种有效而有效的方法来对隐栖动物进行采样，该方法可用于比较研究。
6. RUBS概念为在海洋生态学中更广泛地实施3D打印模型提供了一个平台，以克服标准化问题，而不论栖息地类型如何。