气候变化对红冠啄木鸟产蛋日期和生产力的影响

IF 2.6 2区 生物学 Q1 ORNITHOLOGY
Condor Pub Date : 2019-10-14 DOI:10.1093/condor/duz048
Stephanie M. DeMay, J. Walters
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引用次数: 5

摘要

摘要许多温带鸟类由于气温变暖而提前繁殖。我们研究了气候对红冠啄木鸟(Dryobates borealis)19个种群繁殖表型和生产力的影响,红冠啄木鸟是美国东南部松树(Pinus spp.)林中特有的濒危物种。红冠啄木鸟在温暖的春天较早筑巢,在潮湿的春天推迟筑巢。更早的筑巢和更大的群体规模会带来更高的生产力。随着时间的推移,整个范围内的春季温度都有所上升,但这并没有导致整个范围内筑巢日期的变化。随着时间的推移,沿海和北部种群表现出较早筑巢的趋势,但内陆种群的反应是可变的,包括一些种群的筑巢随着时间的流逝而变晚。地理模式包括高纬度地区的高生产力和不断提高的生产力,以及该地区西南部的生产力下降,这表明该物种可接受的气候条件可能发生变化。随着时间的推移,早期筑巢与高纬度地区生产力的提高有关,而在其他地方,随着时间的流逝,早期筑巢则与生产力的下降或稳定有关,这表明种群适应气候变化的能力不同。红冠啄木鸟是一种严重依赖栖息地管理的栖息地专家,几乎没有能力改变其活动范围,因此其长期生存能力将取决于其适应当地条件变化的能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Variable effects of a changing climate on lay dates and productivity across the range of the Red-cockaded Woodpecker
ABSTRACT Many temperate bird species are breeding earlier in response to warming temperatures. We examined the effects of climate on breeding phenology and productivity in 19 populations across the range of the Red-cockaded Woodpecker (Dryobates borealis), an endangered species endemic to pine (Pinus spp.) forests in the southeastern United States. Red-cockaded Woodpeckers nested earlier in warmer springs and delayed nesting in wetter springs. Earlier nesting and larger group sizes resulted in higher productivity. Spring temperatures have warmed over time across the range, but this has not led to range-wide advances in nesting date over time. Coastal and northern populations have exhibited a trend of earlier nesting over time, but the response of inland populations has been variable, including some populations in which nesting has become later over time. Geographic patterns included high and increasing productivity at higher latitudes, and declining productivity in the southwestern portion of the range, suggesting a possible shift in acceptable climate conditions for the species. Earlier nesting over time was associated with increasing productivity at higher latitudes, while elsewhere earlier nesting over time was associated with declining or stable productivity, suggesting that populations differ in their ability to adjust to a changing climate. The Red-cockaded Woodpecker is a habitat specialist heavily reliant on habitat management and has little capacity to shift its range, so its long-term viability will depend on its ability to adjust in place to changing local conditions.
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来源期刊
Condor
Condor ORNITHOLOGY-
CiteScore
6.30
自引率
12.50%
发文量
46
审稿时长
6-12 weeks
期刊介绍: The Condor is the official publication of the Cooper Ornithological Society, a non-profit organization of over 2,000 professional and amateur ornithologists and one of the largest ornithological societies in the world. A quarterly international journal that publishes original research from all fields of avian biology, The Condor has been a highly respected forum in ornithology for more than 100 years. The journal is one of the top ranked ornithology publications. Types of paper published include feature articles (longer manuscripts) Short Communications (generally shorter papers or papers that deal with one primary finding), Commentaries (brief papers that comment on articles published previously in The Condor), and Book Reviews.
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