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社会食和相关的好处在悬崖海生活群体减少超过40年
Charles R Brown1, Mary B Brown1, Stacey L Hannebaum1
1Department of Biological Sciences, University of Tulsa, 800 S. Tucker Dr., Tulsa, Oklahoma 74104 USA.
概括
悬崖 (Petrochelidon pyrrhonota) 在40年内显示社会食和信息传输减少. 这种转变可能会减少殖民巢的健康益处,原因是食策略和环境条件的变化.
科学领域:
- 行为生态学 行为生态学
- 动物行为 动物行为
- 保护生物学 保护生物学
背景情况:
- 社会食增强了猎物的位置,特别是对于不可预测的资源.
- 殖民性可以促进采集者之间的信息传输,提高养效率.
- 环境变化对社会食和殖民利益的长期影响尚不清楚.
研究的目的:
- 在40年的时间里调查悬崖的社会食,信息传输和食生态的变化.
- 评估长期环境变化如何影响食策略以及殖民巢的优势.
- 为了确定改变食行为对Cliff Swallow健身的后果.
主要方法:
- 在内布拉斯加州西部40多年 (1980年代至2016-2022年) 的悬崖 (Petrochelidon pyrrhonota) 食行为和食生态的纵向研究.
- 分析食群体的大小,食时间,食成功,饮食组成和殖民地地点的信息传输.
- 测量幼和成年人体质量,以及与殖民地大小和时间段相关的幼存活率,控制外寄生虫.
主要成果:
- 悬崖海的社会食率下降,单独或小组食率增加,食时间减少.
- 作为孤独动物的食成功增加,而食发生在更可变的位置,殖民地信息传输减少.
- 近年来,巢体质和生存率随着殖民地规模的增加而下降,成年人体质随着时间的推移而下降.
- 饮食多样性增加,一些昆虫类型消失,尽管主要的猎物家族保持一致.
结论:
- 悬崖的食行为变得更加孤独,对社会信息传输的依赖减少.
- 与殖民地筑巢相关的健康益处在40年研究期间似乎有所减少.
- 观察到的行为灵活性突出了影响群体生活演变的动态选择性压力.
关键词:
石油化Pyrrhonota 化Pyrrhonota 化Pyrrhonota 化Pyrrhonota 化Pyrrhonota 化Pyrrhonota 化Pyrrhonota 化Pyrrhonota 化Pyrrhonota殖民主义 殖民主义 殖民主义饮食组成 饮食组成群体生活是一种生活方式.信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息传输信息社会行为社会行为.社交食是一种社会食.相关概念视频
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