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Corrigendum. 更正。
IF 2.9 2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-01-01 Epub Date: 2023-11-28 DOI: 10.1086/728406
Grant Emerson Haines, Louis Moisan, Alison M Derry, Andrew P Hendry
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引用次数: 0
2023 American Society of Naturalists Awards. 2023 年美国博物学家协会奖。
IF 2.9 2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-01-01 DOI: 10.1086/726123
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引用次数: 0
Bet Hedging Is Not Sufficient to Explain Germination Patterns of a Winter Annual Plant. 打赌套期保值不足以解释冬季一年生植物的发芽模式。
IF 2.9 2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-12-01 Epub Date: 2023-10-26 DOI: 10.1086/726785
Gregor-Fausto Siegmund, David A Moeller, Vincent M Eckhart, Monica A Geber

AbstractBet hedging consists of life history strategies that buffer against environmental variability by trading off immediate and long-term fitness. Delayed germination in annual plants is a classic example of bet hedging and is often invoked to explain low germination fractions. We examined whether bet hedging explains low and variable germination fractions among 20 populations of the winter annual plant Clarkia xantiana ssp. xantiana that experience substantial variation in reproductive success among years. Leveraging 15 years of demographic monitoring and 3 years of field germination experiments, we assessed the fitness consequences of seed banks and compared optimal germination fractions from a density-independent bet-hedging model to observed germination fractions. We did not find consistent evidence of bet hedging or the expected trade-off between arithmetic and geometric mean fitness, although delayed germination increased long-term fitness in 7 of 20 populations. Optimal germination fractions were two to five times higher than observed germination fractions, and among-population variation in germination fractions was not correlated with risks across the life cycle. Our comprehensive test suggests that bet hedging is not sufficient to explain the observed germination patterns. Understanding variation in germination strategies will likely require integrating bet hedging with complementary forces shaping the evolution of delayed germination.

摘要投注对冲由生活史策略组成,通过权衡当前和长期适应度来缓冲环境变异性。一年生植物的延迟发芽是一个典型的套期保值的例子,经常被用来解释低发芽率。我们研究了套期保值是否解释了20个冬季一年生植物克拉克兰(Clarkia xantiana ssp)群体中萌发率低和变化的原因。在这些年里,黄天娜的繁殖成功率有很大的差异。利用15年的人口统计监测和3年的田间发芽实验,我们评估了种子库的适合度结果,并比较了密度独立下注-对冲模型的最佳发芽分数与观察到的发芽分数。虽然在20个种群中有7个延迟发芽增加了长期适应度,但我们没有发现一致的证据来证明下注对冲或算术和几何平均适应度之间的预期权衡。最佳发芽分数比观察到的萌发分数高2 ~ 5倍,萌发分数在种群间的差异与整个生命周期的风险无关。我们的综合测试表明,下注套期保值不足以解释观察到的发芽模式。理解发芽策略的变化可能需要整合下注对冲与形成延迟发芽进化的互补力量。
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引用次数: 1
Secretary's Report, 2023 : American Society of Naturalists. 部长报告,2023年:美国自然学家协会。
IF 2.9 2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-12-01 DOI: 10.1086/727824
Joel McGlothlin
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引用次数: 0
Treasurer's Report, 2022 : Statement of Activities For the Year Ending December 31, 2022. 财务主管报告,2022:截至2022年12月31日的年度活动报表。
IF 2.9 2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-12-01 DOI: 10.1086/726749
Rebecca C Fuller
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引用次数: 0
Genetic and phenotypic consequences of local transitions between sexual and parthenogenetic reproduction in the wild 野生性生殖和孤雌生殖之间局部过渡的遗传和表型后果
2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-11-13 DOI: 10.1086/727511
Soleille Miller, Katarina C. Stuart, Nathan W. Burke, Lee A. Rollins, Russell Bonduriansky
Previous articleNext article No AccessGenetic and phenotypic consequences of local transitions between sexual and parthenogenetic reproduction in the wildSoleille Miller, Katarina C. Stuart, Nathan W. Burke, Lee A. Rollins, and Russell BondurianskySoleille Miller Search for more articles by this author , Katarina C. Stuart Search for more articles by this author , Nathan W. Burke Search for more articles by this author , Lee A. Rollins Search for more articles by this author , and Russell Bonduriansky Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmailPrint SectionsMoreDetailsFiguresReferencesCited by The American Naturalist Just Accepted Published for The American Society of Naturalists Article DOIhttps://doi.org/10.1086/727511 Views: 35Total views on this site © 2023 The University of Chicago. All Rights reserved.PDF download Crossref reports no articles citing this article.
上一篇文章下一篇文章不可访问野生性生殖和孤雌生殖之间局部过渡的遗传和表型后果索莱维尔·米勒,卡塔琳娜·c·斯图尔特,内森·w·伯克,李·a·罗林斯和拉塞尔·邦杜利安斯索莱维尔·米勒搜索本作者的更多文章,卡塔琳娜·c·斯图尔特搜索本作者的更多文章,内森·w·伯克搜索本作者的更多文章,李·a·罗林斯搜索本作者的更多文章,和Russell Bonduriansky搜索本文作者的更多文章PDFPDF PLUS添加到收藏列表下载CitationTrack citationspermissions转载分享在facebook上twitter上linkedinredditemailprint sectionsmoredetailsfigures参考文献引用美国博物学家刚刚接受出版的美国博物学家文章DOIhttps://doi.org/10.1086/727511观看次数:35本网站的总观看次数©2023芝加哥大学。Crossref报告没有引用这篇文章的文章。
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引用次数: 1
Multi-generational fitness effects of natural immigration indicate strong heterosis and epistatic breakdown in a wild bird population 自然迁徙的多代适应度效应表明,野鸟种群具有较强的杂种优势和上位性分解
2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-11-10 DOI: 10.1086/728669
Lisa Dickel, Peter Arcese, Lukas F. Keller, Pirmin Nietlisbach, Debora Goedert, Henrik Jensen, Jane M. Reid
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引用次数: 0
The evolution of local co-occurrence in birds in relation to latitude, degree of sympatry, and range symmetry 鸟类局部共栖的进化与纬度、共栖程度和范围对称的关系
2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-11-10 DOI: 10.1086/728687
Lenka Harmáčková, Remeš Vladimír
Previous articleNext article FreeThe evolution of local co-occurrence in birds in relation to latitude, degree of sympatry, and range symmetryLenka Harmáčková and Remeš VladimírLenka Harmáčková Search for more articles by this author and Remeš Vladimír Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmailPrint SectionsMoreDetailsFiguresReferencesCited by The American Naturalist Just Accepted Published for The American Society of Naturalists Article DOIhttps://doi.org/10.1086/728687 © 2023 The University of Chicago. All Rights reserved.PDF download Crossref reports no articles citing this article.
上一篇文章下一篇文章鸟类局部共生的进化与纬度、同属程度、和范围对称lenka Harmáčková和remesti VladimírLenka Harmáčková搜索本作者和remesti的更多文章Vladimír搜索本作者的更多文章PDFPDF PLUS添加到收藏列表下载CitationTrack CitationsPermissionsReprints在facebook上分享twitterlinkedinredditemailprint SectionsMoreDetailsFiguresReferencesCited by The American Naturalist刚刚接受发表为美国自然主义者协会文章DOIhttps://doi.org/10.1086/728687©2023 The University of The University of The American Naturalist芝加哥。Crossref报告没有引用这篇文章的文章。
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引用次数: 0
Competition increases risk of species extinction during extreme warming 在极端变暖期间,竞争增加了物种灭绝的风险
2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-11-10 DOI: 10.1086/728672
Paul Bendiks Walberg
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引用次数: 0
Competitive displacement and agonistic character displacement, or the ghost of interference competition 竞争性位移和竞争性位移,或干扰竞争的幽灵
2区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2023-11-10 DOI: 10.1086/728671
Shawn McEachin, Jonathan P. Drury, Gregory F. Grether
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引用次数: 0
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American Naturalist
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