Lake Ontario Benthic Prey Fish Bottom Trawl Survey, 1978-2024

This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the benthic prey fish and yellow perch bottom trawl surveys, 1978 through 2024. Data from 1978 - 2014 are from U.S. waters of Lake Ontario while data from 2015 - 2024 include both U.S. and Canadian waters of Lake Ontario. Details about the vessel and gear descriptions, sampling protocols, and catch processing protocols are provided in the associated metadata.本数据集发布涵盖1978年至2024年安大略湖底栖饵料鱼类与黄鲈底拖网调查所获取的饵料鱼类数据，具体包含捕获物种、相对丰度、空间分布、体型结构及年龄数据。1978年至2014年的数据集仅来源于安大略湖美国管辖水域，2015年至2024年的数据集则覆盖安大略湖的美国与加拿大两国管辖水域。相关元数据中详细记载了作业船舶与渔具参数、采样规程以及渔获处理规程的相关细节。