代谢范围对中华倒刺鲃空间位置和群体行为的影响
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1.重庆师范大学进化生理与行为学实验室;2.西南大学淡水鱼类资源与生殖发育教育部重点实验室

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InfluenceSofSmetabolicSrangeSonSspatialSlocationSandSclusteringSbehaviorSofStheSSpinibarbus sinensisSinSChina
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1.Laboratory of Evolutionary Physiology and Behaviour, Chongqing Normal University;2.Key Laboratory of Freshwater Fish Resources and Reproductive Development, Ministry of Education, Southwest University, China

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    摘要:

    【目的】考察代谢范围对中华倒刺鲃(Spinibarbus sinensis)空间位置和群体行为的影响。【方法】在(25.4 ± 0.2)℃条件下,测定其代谢率,并计算代谢范围。【结果】随着摄食量的增加,耗氧率显著增加,预测其剩余代谢范围与摄食量呈显著负相关关系(p<0.001)。摄食代谢峰值整体上呈上升趋势。高摄食量个体在鱼群中的平均空间位置越靠前(p<0.001)。在摄食后的不同时间段,鱼群中个体的平均空间位置无显著差异,但低代谢范围个体在群体1号位的占比显著高于高代谢范围个体(p<0.001)。摄食后,群体的个体间距离显著增加,群体极性显著降低(p<0.05)。【结论】代谢范围显著影响中华倒刺鲃个体的空间位置,低代谢范围个体占据群体领先地位的时间更长。摄食后,群体中个体成员的凝聚力降低,群体协调性也降低。

    Abstract:

    [Objective] To examine the effect of metabolic range on spatial location and group behavior of Chinese barb (Spinibarbus sinensis). [Methods] The metabolic rate was measured at (25.4 ± 0.2) °C and the metabolic range was calculated. [Results] Oxygen consumption rate increased significantly with increasing food intake, and its residual metabolic range was predicted to be significantly negatively correlated with food intake (p<0.001). The peak feeding metabolism showed an overall upward trend. The higher the fed individual, the more forward the average spatial position of the shoal (p<0.001). There was no significant difference in the mean spatial position of individuals in shoal at different times after feeding, but the low AS group was significantly higher than that of individuals with high AS in the group 1 position (p<0.001). After feeding, the inter-individual distance increased significantly and the group polarity decreased significantly (p<0.05). [Conclusion] Metabolic range had significant effect on the spatial position of Chinese barb, and individuals with low AS occupied the leading position of the group for a longer period of time. After feeding, the cohesion of shoal is decreased, as did group coordination.

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  • 收稿日期:2023-10-15
  • 最后修改日期:2024-03-28
  • 录用日期:2024-04-08
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