Ecological Concerns Data Dictionary - Ecological Concerns data dictionary

Evaluating the status of threatened and endangered salmonid populations requires information on the current status of the threats (e.g., habitat, hatcheries, hydropower, and invasives) and the risk of extinction (e.g., status and trend in the Viable Salmonid Population criteria). For salmonids in the Pacific Northwest, threats generally result in changes to physical and biological characteristi...

评估濒危和易危鲑鱼种群现状，需获取关于当前威胁状况（如栖息地、孵化场、水力发电和入侵物种）以及灭绝风险（如有效鲑鱼种群标准的状态和趋势）的信息。对于太平洋西北地区的鲑鱼而言，威胁通常导致其物理和生物学特征的改变。