Adult male birds advance spring migratory phenology faster than females and juveniles across North America
Adult male birds advance spring migratory phenology faster than females and juveniles across North America
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北美成年雄鸟比雌鸟和幼鸟推进春季迁徙物候的速度更快
DOI：
10.1111/gcb.16492
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发表时间：
2023
影响因子：
11.6
通讯作者：
Tingley, Morgan W.
中科院分区：
文献类型：
--
作者：
Neate‐Clegg, Montague H.;Tingley, Morgan W.
春季候鸟物候学研究的进展为气候变化对鸟类的影响提供了一些最充分的证据。然而，令人惊讶的是，很少有研究调查鸟类是否在性别和年龄阶层之间平等地改变它们的候鸟物候——这是理解营养不匹配潜在的关键问题。我们使用了北美地区60年的鸟类带带数据（包括总计超过400万次捕获）来调查跨性别和年龄类别的总共98种鸟类的春季和秋季迁徙物候，每种分析的确切物种数量取决于季节特定数据的可用性。与原雄制一致，在春季（n= 89种），成年雄蚊最先到达，未成熟雌蚊最后到达。在秋季（n= 98），两性差异不大，但成虫比幼虫更早离开。60年间，成年雄虫物候期提前最快（- 0.84天/ 10年，95 CrI = - 1.22 ~ - 0.47,n= 36），而成年雌虫和未成熟雌虫物候期提前较慢，导致雄虫和雌虫到达时间的差距随着时间的推移而扩大。在秋季，没有年龄或性别的物候总体趋势（n= 57），部分原因是与繁殖和蜕皮策略相关的高种间差异。我们的研究结果表明，物种春季物候变化的速率存在一致且可预测的年龄和性别差异。男性和女性移徙人数之间日益扩大的差距表明，性别在适应气候变化方面具有可塑性，这有可能对当前和未来的人口趋势产生负面影响。
Advances in spring migratory phenology comprise some of the most well‐documented evidence for the impacts of climate change on birds. Nevertheless, surprisingly little research has investigated whether birds are shifting their migratory phenology equally across sex and age classes—a question critical to understanding the potential for trophic mismatch. We used 60 years of bird banding data across North America—comprising over 4 million captures in total—to investigate both spring and fall migratory phenology for a total of 98 bird species across sex and age classes, with the exact numbers of species for each analysis depending on season‐specific data availability. Consistent with protandry, in spring (n= 89 species), adult males were the first to arrive and immature females were the last to arrive. In fall (n= 98), there was little difference between sexes, but adults tended to depart earlier than juveniles. Over 60 years, adult males advanced their phenology the fastest (−0.84 days per decade, 95 CrI = −1.22 to −0.47,n= 36), while adult and immature females advanced at a slower pace, causing the gap in male and female arrival times to widen over time. In the fall, there was no overall trend in phenology by age or sex (n= 57), driven in part by high interspecific variation related to breeding and molt strategies. Our results indicate consistent and predictable age‐ and sex‐based differences in the rates at which species' springtime phenology is shifting. The growing gap between male and female migratory arrival indicates sex‐based plasticity in adaptation to climate change that has strong potential to negatively impact current and future population trends.
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影响因子：
1
作者：
SPINA, F;MASSI, A;MONTEMAGGIORI, A
通讯作者：
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影响因子：
1.3
作者：
Y. E. Morbey;Timothy Coppack;Francisco Pulido
通讯作者：
Francisco Pulido
影响因子：
1.4
作者：
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通讯作者：
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影响因子：
2.3
作者：
T. Sherry;R. Holmes
通讯作者：
R. Holmes
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DOI：
--
发表时间：
2001
期刊：
影响因子：
--
作者：
S. R. Morris;J. Glasgow
通讯作者：
J. Glasgow