Work on the post-2020 global biodiversity framework is now well advanced and will outline a vision, goals, and targets for the next decade of biodiversity conservation and beyond. For the effectiveness of Protected areas and Other Effective area-based Conservation Measures, an indicator has been proposed for “areas meeting their documented ecological objectives.” However, the Convention on Biological Diversity (CBD) has not identified or agreed on what data should inform this indicator. Here we draw on experiences from the assessment of protected area effectiveness in the CBD's previous strategic plan to provide recommendations on the essential elements related to biodiversity outcomes and management that need to be captured in this updated indicator as well as how this could be done. Our proposed protected area effectiveness indicators include a combination of remotely derived products for all protected areas, combined with data from monitoring of both protected area management and trends in species and ecosystems based on field observations. Additionally, we highlight the need for creating a digital infrastructure to operationalize national-level data-capture. We believe these steps are critical and urge the adoption of suitable protected area effectiveness indicators before the post-2020 framework is agreed in 2021.

中文翻译：

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在 2020 年后全球生物多样性框架中衡量基于地点的保护有效性的基本指标

2020 年后全球生物多样性框架的工作目前进展顺利，并将勾勒出未来十年及以后生物多样性保护的愿景、目标和指标。对于保护区和其他有效的基于区域的保护措施的有效性，已经提出了一个指标，用于“满足其书面生态目标的区域”。然而，生物多样性公约 (CBD) 尚未确定或同意应为该指标提供哪些数据。在这里，我们借鉴了 CBD 先前战略计划中保护区有效性评估的经验，就需要在更新后的指标中体现的与生物多样性成果和管理相关的基本要素以及如何做到这一点提出建议。我们提议的保护区有效性指标包括所有保护区的远程衍生产品的组合，以及基于实地观察的保护区管理和物种和生态系统趋势监测数据。此外，我们强调需要创建数字基础设施来实施国家级数据采集。我们认为这些步骤至关重要，并敦促在 2021 年商定 2020 年后框架之前采用合适的保护区有效性指标。我们强调需要创建数字基础设施来实现国家级数据采集。我们认为这些步骤至关重要，并敦促在 2021 年商定 2020 年后框架之前采用合适的保护区有效性指标。我们强调需要创建数字基础设施来实现国家级数据采集。我们认为这些步骤至关重要，并敦促在 2021 年商定 2020 年后框架之前采用合适的保护区有效性指标。