Data from: Value of information in natural resource management: technical developments and application to pink-footed geese

The “value of information” (VOI) is a generic term for the increase in value resulting from better information to guide management, or alternatively, the value foregone under uncertainty about the impacts of management (Yokota and Thompson, Medical Decision Making 2004; 24: 287). The value of information can be characterized in terms of several metrics, including the expected value of perfect information and the expected value of partial information. We extend the technical framework for the value of information by further developing the relationship between value metrics for partial and perfect information and describing patterns of their performance. We use two different expressions for the expected value of partial information to highlight its relationship to the expected value of perfect information. We also develop the expected value of partial information for hierarchical uncertainties. We highlight patterns in the value of information for the Svalbard population of the pink-footed goose (Anser brachyrhynchus), a population that is subject to uncertainty in both reproduction and survival functions. The framework for valuing information is seen as having widespread potential in resource decision making, and serves as a motivation for resource monitoring, assessment, and collaboration.信息价值（Value of Information，VOI）是一类通用术语，既可指代用于指导管理决策的更优质信息所带来的价值增益，亦可指代因管理措施影响存在不确定性而错失的价值（Yokota与Thompson，《Medical Decision Making》，2004年，第24卷，第287页）。信息价值可通过多项指标进行表征，其中包括完全信息期望值（Expected Value of Perfect Information）与部分信息期望值（Expected Value of Partial Information）。本研究通过进一步厘清部分信息与完全信息的价值指标间的关联，并阐明二者的性能表现模式，对信息价值的技术分析框架进行了拓展。本研究采用两种不同的部分信息期望值表达式，以凸显其与完全信息期望值之间的关联。此外，本研究针对层级不确定性场景构建了部分信息期望值的计算范式。本研究以斯瓦尔巴群岛的粉脚雁（Anser brachyrhynchus）种群为研究案例，阐明其信息价值的变化模式——该种群的繁殖与存活函数均存在不确定性。该信息价值评估框架在资源决策领域具备广泛应用潜力，同时可为资源监测、评估与协同合作提供研究动力与理论支撑。