巢中的位置对鸲岩鹨亲鸟递食率的影响
Effect of Nestling Positions in Nests on the Parental Feeding Rates in Robin Accentor (Prunella rubeculoides)
查看参考文献29篇
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文摘
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2002年4～8月在中国科学院海北高寒草甸生态系统定位站研究了鸲岩鹨（Prunella rubeculoides）亲鸟的递食率与巢中位置的关系。结果表明：亲鸟的总递食率对巢中的每个具体位置有显著变化（Kruskas-Wallis H = 14.633, P < 0.01, df = 3），雄性和雌性对巢中的位置有不同的响应，雄性对巢中的每个具体位置的递食率有显著差异（H = 16.720, P < 0.01, df = 3），而雌性递食率差异不显著（H = 3.557, P > 0.05, df = 3）；雄鸟和雌鸟间递食的方式随着日龄和日时间变化也有显著差异。结果证实巢中的位置能够影响鸲岩鹨亲代资源的分配，同时与证实了鸲岩鹨双亲对巢中的位置有不同的响应。 |
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其他语种文摘
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This study was carried out in the Haibei Alpine Meadow Ecological System Station, the Chinese Academy of Sciences, during the breeding season of robin accentor in 2002. We investigated the relationship between nesding positions in nests and parental feeding rates of robin accentor ( Prunella rubeculoides) . There was significant variation in the proportion of total parental (male + female) feedings given to each position (Kruskas-Wallis H = 14.633, P < 0.01, df = 3) . However, male and female parents responded differently to the certain positions of nestlings in the nests. The proportions of male parental feedings given to each nestling position were significantly different (H = 16.720, P < 0.01, df=3), by contrast, the proportions of female parental feeding to each nestling position weren' t significantly different ( H = 3.557, P>0.05, df = 3 ) . Furthermore, the pattern of food allocation was significantly different between male and female parents. We argue that nestlings positions can affect their share of parental resources and male and female parents response differently to different nestling positions in nests. |
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来源
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动物学杂志
,2003,38(6):28-32 【核心库】
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关键词
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鸲岩鹨
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位置
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递食率
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地址
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中国科学院西北高原生物研究所, 西宁, 810001
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0250-3263 |
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学科
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动物学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:1246062
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