On hatchery mortality during rearing density study

On hatchery mortality of spring Chinook salmon during the rearing density evaluation at Warm Springs National Fish Hatchery from the start of the study in April through September just prior to fall release. Data stored in the Columbia River Information System maintained by the Columbia River Fisheries Program Office.本数据集记录了暖泉国家鱼类孵化场（Warm Springs National Fish Hatchery）开展养殖密度评估期间，自研究启动的4月至秋季放流前的9月时段内，春型奇努克鲑鱼（spring Chinook salmon）的孵化场死亡率数据。相关数据存储于由哥伦比亚河渔业项目办公室（Columbia River Fisheries Program Office）维护的哥伦比亚河信息系统（Columbia River Information System）中。