Lake trout hatch rates using adults collected in 2019 from Northern Refuge, Lake Michigan

Data includes hatch, unfertilized, underdeveloped, and larval mortality count data of lake trout (Salvelinus namaycush) eggs fertilized from adult gametes collected within Northern Refuge reefs in Lake Michigan conducted by the U.S. Geological Survey Great Lakes Science Center during Fall 2019 gill net survey. Adult lake trout were collected using gill net (4.5, 5.5, and 6.0 inch) panels. Gametes were removed and fertilized in the field and then incubated at the Great Lakes Science Center Aquatic Research Laboratory in Ann Arbor, MI. Results are reported as date, collection reef, latitude, longitude, tray number, reef panel, and counts (unfertilized, dead or unsuccessful hatch, hatched, and larval mortality).本数据集涵盖由美国地质调查局大湖科学中心（U.S. Geological Survey Great Lakes Science Center）在2019年秋季密歇根湖北部保护区礁体刺网（gill net）调查中，采集成年湖红点鲑（Salvelinus namaycush）配子并完成人工受精后，其受精卵的孵化数、未受精数、发育不良卵数及幼体死亡数统计数据。成年湖红点鲑采用规格为4.5、5.5及6.0英寸的刺网网板进行采集；实验人员于野外获取配子并完成受精操作，随后将受精卵移送至密歇根州安阿伯市大湖科学中心水生研究实验室进行孵化培养。实验结果以日期、采集礁体、纬度、经度、托盘编号、网板规格以及对应计数项（未受精数、未成功孵化数、已孵化数及幼体死亡数）的格式进行记录与汇报。