忠州湖中鳜鱼和鲶鱼的活动范围和行为

K. Kang, H. Shin
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引用次数: 1

摘要

)用声波遥测法在韩国忠州湖进行。鳜鱼倾向于停留在下游距离放生点1km范围内,且具有强烈的日行为。他们在夜间接近湖边。他们还建议呆在湖滨附近的深水区。夜间平均游泳速度(0.4BL/s)高于白天(0.2BL/s)。他们晚上在浅水区游泳。鲶鱼经常在上游和下游之间移动。鲶鱼倾向于在一天中行动。平均游泳速度白天(0.3BL/s)快于夜间(0.2 BL/s)。它们的平均游泳深度为14.3米,一天的漂浮高度约为4米。关键词:声遥测;
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Movement range and behavior of mandarin fish (Siniperca scherzeri) and catfish (Parasilurus asotus) in Chungju Lake
) with acoustic telemetrymethod in Chungju Lake, Korea. Mandarin fish tended to stay within 1km from the release points indownstream, and had a strong diurnal behavior. They approached to the lakefront at night. They alsopreferred to stay at deep water off the lakefront. The average swimming speed was faster at night (0.4BL/s)than during a day (0.2BL/s). They swam the shallow water area at night. Catfish frequently moved betweenupstream and downstream. Catfish tended to act during a day. The average swimming speed was fasterduring a day (0.3BL/s) than at night (0.2 BL/s). The average swimming depth was 14.3m, and they tended tofloat about 4m during a day.Keywords: Acoustic telemetry,
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