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首页> 外文期刊>Journal of Field Ornithology >Nest success is not an adequate comparative estimate of avian reproduction
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Nest success is not an adequate comparative estimate of avian reproduction

机译:套巢成功率不足以对禽类繁殖进行比较评估

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摘要

Quantifying productivity of bird populations often involves calculating nest success from samples of nests found during a breeding season. Female reproductive output (annual or lifetime) is important to demographic modeling of birds, but nest success is a poor metric to compare productivity among areas or populations. Based on preliminary review, we hy- pothesize that avian literature poorly distinguishes annual reproductive success from nest success regardless of species' breeding strategies, and that the influence of renesting and multiple brooding on avian productivity is infrequently recognized.
机译:量化鸟类种群的生产力通常涉及从繁殖季节发现的巢样中计算出巢成功率。雌性繁殖产量(年限或一生)对于鸟类的人口统计模型很重要,但巢穴成功率是比较地区或种群之间生产率的差劲指标。基于初步的回顾,我们推测,无论物种的繁殖策略如何,禽类文献都无法将年度繁殖成功与筑巢成功区分开来,并且很少认识到巢育和多重育雏对禽类生产力的影响。

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