A model to estimate seabird field metabolic rates.

A model to estimate seabird field metabolic rates.
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DOI:
10.1098/rsbl.2018.0190
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发表时间:
2018-06
期刊:
影响因子:
3.3
通讯作者:
Green JA
Green JA
中科院分区:
生物学2区
文献类型:
--
作者:
Dunn RE;White CR;Green JA

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对于自由放养的动物,场代谢率(FMR)是它们在特定时期内能量消耗的总和。这个数量是每个生物水平上生态过程的关键组成部分。我们采用了遗传学知情的元分析方法,以确定大规模的决定因素FMR海鸟在繁殖季节。利用来自47个物种的64项能量学研究的数据,我们创建了一个模型来估计任何海鸟种群的FMR。我们发现,FMR是积极的体重和殖民地纬度的影响,它增加了整个繁殖季节从孵化到育雏到托儿所。FMR不受殖民地相对捕食压力或物种平均育雏大小。基于这个模型,我们提出了一个应用程序,通过它用户可以生成任何繁殖海鸟种群的FMR估计。我们鼓励使用这个应用程序来补充行为研究,并增加对能量需求如何影响海鸟作为海洋系统驱动组件的作用的理解。
For free-ranging animals, field metabolic rate (FMR) is the sum of their energy expenditure over a specified period. This quantity is a key component of ecological processes at every biological level. We applied a phylogenetically informed meta-analytical approach to identify the large-scale determinants of FMR in seabirds during the breeding season. Using data from 64 studies of energetics in 47 species, we created a model to estimate FMR for any seabird population. We found that FMR was positively influenced by body mass and colony latitude and that it increased throughout the breeding season from incubation to brood to crèche. FMR was not impacted by colony-relative predation pressure or species average brood size. Based on this model, we present an app through which users can generate estimates of FMR for any population of breeding seabird. We encourage the use of this app to complement behavioural studies and increase understanding of how energetic demands influence the role of seabirds as driving components of marine systems.
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