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Evolutionary Ecology of Fire 火的进化生态学
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-08-16 DOI: 10.1146/annurev-ecolsys-102320-095612
J. Keeley, J. Pausas
Fire has been an ecosystem process since plants colonized land over 400 million years ago. Many diverse traits provide a fitness benefit following fires, and these adaptive traits vary with the fire regime. Some of these traits enhance fire survival, while others promote recruitment in the postfire environment. Demonstrating that these traits are fire adaptations is challenging, since many arose early in the paleontological record, although increasingly better fossil records and phylogenetic analysis make timing of these trait origins to fire more certain. Resprouting from the base of stems is the most widely distributed fire-adaptive trait, and it is likely to have evolved under a diversity of disturbance types. The origins of other traits like serotiny, thick bark, fire-stimulated germination, and postfire flowering are more tightly linked to fire. Fire-adaptive traits occur in many environments: boreal and temperate forests, Mediterranean-type climate (MTC) shrublands, savannas, and other grasslands. MTC ecosystems are distinct in that many taxa in different regions have lost the resprouting ability and depend solely on postfire recruitment for postfire recovery. This obligate seeding mode is perhaps the most vulnerable fire-adaptive syndrome in the face of current global change, particularly in light of increasing anthropogenic fire frequency. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
自从4亿多年前植物占领陆地以来,火灾一直是一个生态系统过程。许多不同的特征提供了火灾后的健康益处,这些适应特征随着火灾制度而变化。其中一些特征可以提高火灾存活率,而另一些特征则有助于在火灾后的环境中招募新兵。证明这些特征是火的适应性是具有挑战性的,因为许多特征出现在古生物记录的早期,尽管越来越好的化石记录和系统发育分析使这些特征起源的时间更加确定。从茎基部再生是最广泛分布的火适应特征,它可能是在多种干扰类型下进化而来的。其他特征的起源,如服务性、厚树皮、火刺激发芽和火后开花,都与火有更紧密的联系。火适应特征出现在许多环境中:北方和温带森林、地中海型气候(MTC)灌丛、稀树草原和其他草原。MTC生态系统的不同之处在于,不同地区的许多分类群已经失去了再生能力,完全依赖于火灾后的补充来恢复。面对当前的全球变化,特别是在人为火灾频率增加的情况下,这种强制性播种模式可能是最脆弱的火灾适应综合征。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 22
Integrating Fossil Observations Into Phylogenetics Using the Fossilized Birth–Death Model 使用化石出生-死亡模型将化石观察整合到系统发育中
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-08-16 DOI: 10.1146/annurev-ecolsys-102220-030855
A. Wright, David W. Bapst, Joëlle Barido‐Sottani, R. Warnock
Over the past decade, a new set of methods for estimating dated trees has emerged. Originally referred to as the fossilized birth–death (FBD) process, this single model has expanded to a family of models that allows researchers to coestimate evolutionary parameters (e.g., diversification, sampling) and patterns alongside divergence times for a variety of applications from paleobiology to real-time epidemiology. We provide an overview of this family of models. We explore the ways in which these models correspond to methods in quantitative paleobiology, as the FBD process provides a framework through which neontological and paleontological approaches to phylogenetics and macroevolution can be unified. We also provide an overview of challenges associated with applying FBD models, particularly with an eye toward the fossil record. We conclude this piece by discussing several exciting avenues for the inclusion of fossil data in phylogenetic analyses. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
在过去的十年里,出现了一套新的估算树龄的方法。最初被称为化石出生-死亡(FBD)过程,这个单一模型已经扩展到一个模型家族,使研究人员能够共同估计进化参数(例如,多样化,采样)和模式以及从古生物学到实时流行病学的各种应用的分化时间。我们提供了这一系列模型的概述。我们探索了这些模型与定量古生物学方法相对应的方式,因为FBD过程提供了一个框架,通过该框架,新生学和古生物学方法可以统一系统发育和宏观进化。我们还概述了与应用FBD模型相关的挑战,特别是着眼于化石记录。我们通过讨论几种令人兴奋的将化石数据纳入系统发育分析的途径来结束这篇文章。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 13
Evolutionary Transitions Between Hermaphroditism and Dioecy in Animals and Plants 动物和植物雌雄同体和雌雄异株之间的进化转变
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-08-08 DOI: 10.1146/annurev-ecolsys-102320-085812
J. Pannell, Crispin Y Jordan
We review transitions between hermaphroditism and dioecy in animals and (mainly flowering) plants. Although hermaphroditism and dioecy represent two end states in a sex-allocation continuum, both vary in major ways among clades. However, drawing on sex-allocation theory and distinguishing between self-fertilization and outcrossing, we recognize five broad paths to dioecy and two broad paths to hermaphroditism. Which path is taken likely depends on the starting state (especially in terms of the mating system), as well as the ecological setting or genetic context of the transition. Androdioecy may have been more important in some transitions to dioecy than current theory would suggest, and gynodioecy may often be an evolutionary end point in itself rather than a step between hermaphroditism and dioecy. Transitions between environmental and genetic sex determination may also play an important role in sexual-system evolution. Further theory is required to address these possibilities. Detailed empirical work is also greatly needed, especially in animal clades that vary in their sexual system. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
我们回顾了雌雄同体和雌雄异株在动物和(主要是开花)植物之间的转变。虽然雌雄同体和雌雄异株在性别分配连续体中代表了两种最终状态,但两者在进化枝之间的主要方式各不相同。然而,根据性别分配理论,并区分自交受精和异交,我们认识到雌雄异株的五条主要途径和两性异体的两条主要途径。选择哪条路径可能取决于起始状态(特别是在交配系统方面),以及过渡的生态环境或遗传背景。在一些向雌雄异株过渡的过程中,雄蕊异体可能比目前的理论所认为的更为重要,而雌蕊异体本身可能是一个进化的终点,而不是雌雄同体和雌雄异体之间的一个步骤。环境和遗传性别决定之间的转换也可能在性系统进化中发挥重要作用。需要进一步的理论来解释这些可能性。详细的经验性工作也是非常需要的,特别是在性系统不同的动物分支中。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 8
Consistent Individual Behavioral Variation: What Do We Know and Where Are We Going? 一致的个体行为差异:我们知道什么,我们要去哪里?
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-08-08 DOI: 10.1146/annurev-ecolsys-102220-011451
K. Laskowski, Chia-Chen Chang, Kirsten Sheehy, Jonathan Aguiñaga
The study of individual behavioral variation, sometimes called animal personalities or behavioral types, is now a well-established area of research in behavioral ecology and evolution. Considerable theoretical work has developed predictions about its ecological and evolutionary causes and consequences, and studies testing these theories continue to grow. Here, we synthesize the current empirical work to shed light on which theories are well supported and which need further refinement. We find that the major frameworks explaining the existence of individual behavioral variation, the pace-of-life syndrome hypothesis and state-dependent feedbacks models, have mixed support. The consequences of individual behavioral variation are well studied at the individual level but less is known about consequences at higher levels such as among species and communities. The focus of this review is to reevaluate and reestablish the foundation of individual behavioral variation research: What do we know? What questions remain? And where are we going next? Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
个体行为变异的研究,有时被称为动物个性或行为类型,现在是行为生态学和进化研究的一个成熟领域。相当多的理论工作已经对其生态和进化的原因和后果进行了预测,检验这些理论的研究也在不断增加。在这里,我们综合当前的实证工作,以阐明哪些理论得到了很好的支持,哪些理论需要进一步完善。我们发现,解释个体行为差异存在的主要框架,即生活节奏综合症假说和状态依赖反馈模型,得到了不同的支持。个体行为变化的后果在个体层面上得到了很好的研究,但对物种和群落等更高层面的后果知之甚少。这篇综述的重点是重新评估和重建个体行为变异研究的基础:我们知道什么?还有什么问题?我们接下来要去哪里?《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 18
Asymmetric Inheritance: The Diversity and Evolution of Non-Mendelian Reproductive Strategies 非对称遗传:非孟德尔繁殖策略的多样性和进化
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-07-29 DOI: 10.1146/annurev-ecolsys-021822-010659
L. Ross, Andrew J. Mongue, C. N. Hodson, T. Schwander
The ability to reproduce is the key trait that distinguishes living organisms from inorganic matter, and the strategies used to achieve successful reproduction are almost as diverse as the organisms themselves. In animals, the most widespread form of reproduction involves separate male and female sexes: Each sex produces haploid gametes via meiosis, and two gametes fuse to form a new diploid organism. In some cases, both parents contribute equally to the nuclear and cytoplasmic genomes of their offspring. However, such fully symmetric reproduction of both parents represents the extreme end of a continuum toward complete asymmetry, where offspring inherit their nuclear and cytoplasmic genomes from only one of the two parents. Asymmetries also occur with respect to the fate of maternally and paternally inherited genomes and which sex is affected by non-Mendelian inheritance. In this review, we describe the diversity of animal reproductive systems along different axes with a symmetry–asymmetry continuum and suggest evolutionary routes that may have led to increased levels of asymmetry. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
繁殖能力是生物区别于无机物的关键特征,而用于成功繁殖的策略几乎和生物本身一样多样化。在动物中,最普遍的繁殖形式是雄性和雌性分开:每一种性别通过减数分裂产生单倍体配子,两个配子融合形成一个新的二倍体有机体。在某些情况下,父母双方对后代的核基因组和细胞质基因组贡献相同。然而,父母双方的这种完全对称的繁殖代表了完全不对称连续体的极端末端,在这种情况下,后代只从父母双方中的一方遗传了他们的细胞核和细胞质基因组。不对称也发生在母系和父系遗传基因组的命运上,以及哪个性别受到非孟德尔遗传的影响。在这篇综述中,我们描述了动物生殖系统沿不同轴的多样性,具有对称-不对称连续体,并提出了可能导致不对称水平增加的进化途径。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 4
Fungal Dispersal Across Spatial Scales 真菌在空间尺度上的扩散
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-07-25 DOI: 10.1146/annurev-ecolsys-012622-021604
V. Chaudhary, C. Aguilar‐Trigueros, India Mansour, M. Rillig
Fungi play key roles in ecosystems and human societies as decomposers, nutrient cyclers, mutualists, and pathogens. Estimates suggest that roughly 3–13 million fungal species exist worldwide, yet considerable knowledge gaps exist regarding the mechanisms and consequences, both ecological and social, of fungal dispersal from local to global scales. In this review, we summarize concepts underlying fungal dispersal, review recent research, and explore how fungi possess unique characteristics that can broaden our understanding of general dispersal ecology. We highlight emerging frontiers in fungal dispersal research that integrate technological advances with trait-based ecology, movement ecology, social–ecological systems, and work in unexplored environments. Outstanding research questions across these themes are presented to stimulate theoretical and empirical research in fungal dispersal ecology. Advances in fungal dispersal will improve our understanding of fungal community assembly and biogeography across a range of spatial scales, with implications for ecosystem functioning, global food security, and human health. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
真菌作为分解者、营养循环者、共生者和病原体在生态系统和人类社会中发挥着关键作用。据估计,全世界大约存在300 - 1300万种真菌,但关于真菌从地方到全球扩散的生态和社会机制和后果,存在相当大的知识差距。在这篇综述中,我们总结了真菌扩散的基本概念,回顾了最近的研究,并探讨了真菌如何具有独特的特征,可以拓宽我们对一般扩散生态学的理解。我们重点介绍了真菌传播研究的新兴前沿,这些研究将技术进步与基于性状的生态学、运动生态学、社会生态系统和未开发环境中的工作相结合。突出的研究问题在这些主题提出,以刺激真菌扩散生态学的理论和实证研究。真菌传播的进展将提高我们对真菌群落组成和生物地理学在一系列空间尺度上的理解,对生态系统功能、全球粮食安全和人类健康具有重要意义。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 5
Functional Roles of Parasitic Plants in a Warming World 寄生植物在全球变暖中的功能作用
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-07-25 DOI: 10.1146/annurev-ecolsys-102320-115331
D. Watson, R. McLellan, F. Fontúrbel
We consider the mechanistic basis and functional significance of the pervasive influence of parasitic plants on productivity and diversity, synthesizing recent findings on their responses to drought, heat waves, and fire. Although parasites represent just 1% of all angiosperms, the ecophysiological traits associated with parasitism confer pronounced impacts on their hosts and disproportionate influence upon community structure, composition, and broader ecosystem function. New insights into the roles of their pollinators, seed dispersers, and litter-dependent detritivores have advanced our understanding of how parasitic plants modulate animal communities via their extended and complementary phenology. Direct and indirect impacts of climate change on parasitic plants and their ecological roles are already apparent. Trade-offs between maximizing efficiency at obtaining water from hosts and sensitivity to water stress underlie range shifts and host switching of parasitic plants and increased reliance on these plants by animal communities for food and shelter. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
我们考虑了寄生植物对生产力和多样性的普遍影响的机制基础和功能意义,综合了它们对干旱、热浪和火灾的反应的最新发现。尽管寄生物仅占被子植物的1%,但寄生物的生理生态特性对寄主产生了显著的影响,并对群落结构、组成和更广泛的生态系统功能产生了不成比例的影响。对它们的传粉者、种子传播者和依赖凋落物的腐食动物的作用的新见解,提高了我们对寄生植物如何通过其扩展和互补的物候调节动物群落的理解。气候变化对寄生植物的直接和间接影响及其生态作用已经十分明显。最大限度地从宿主获取水分的效率与对水分胁迫的敏感性之间的权衡是寄生植物范围转移和宿主切换的基础,也是动物群落对这些植物的食物和住所依赖程度增加的基础。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 10
Complexity, Evolvability, and the Process of Adaptation 复杂性、可进化性和适应过程
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-07-25 DOI: 10.1146/annurev-ecolsys-102320-090809
D. Houle, Daniela M. Rossoni
There is a widespread view that the process of adaptation in complex systems is made difficult due to an evolutionary cost of complexity that is reflected in lower evolvability. This line of reasoning suggests that organisms must have special properties to overcome this cost, such as integration, modularity, and robustness, and that the reduction in the rate of evolution and variational constraints could help explain why organisms might not respond to selection. Here, we discuss the issues that arise from this conviction and highlight an alternative view where complexity represents an opportunity by increasing the evolutionary potential of a population. We highlight the lack of evidence supporting the influence of complexity on evolvability. Empirical data on the patterns of contemporary selection are critical for understanding this relationship. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
有一种广泛的观点认为,复杂系统的适应过程是困难的,因为复杂性的进化成本反映在较低的可进化性上。这条推理路线表明,生物必须具有特殊的属性来克服这种成本,例如整合、模块化和健壮性,并且进化速度的降低和变异约束可以帮助解释为什么生物可能对选择没有反应。在这里,我们讨论了由这一信念产生的问题,并强调了另一种观点,即复杂性通过增加种群的进化潜力代表了一种机会。我们强调缺乏证据支持复杂性对可进化性的影响。关于当代选择模式的经验数据对于理解这种关系至关重要。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 5
Epistasis and Adaptation on Fitness Landscapes 适应性景观的上位性与适应性
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2022-04-28 DOI: 10.1146/annurev-ecolsys-102320-112153
Claudia Bank
Epistasis occurs when the effect of a mutation depends on its carrier's genetic background. Despite increasing evidence that epistasis for fitness is common, its role during evolution is contentious. Fitness landscapes, which are mappings of genotype or phenotype to fitness, capture the full extent and complexity of epistasis. Fitness landscape theory has shown how epistasis affects the course and the outcome of evolution. Moreover, by measuring the competitive fitness of sets of tens to thousands of connected genotypes, empirical fitness landscapes have shown that epistasis is frequent and depends on the fitness measure, the choice of mutations for the landscape, and the environment in which it was measured. In this article, I review fitness landscape theory and experiments and their implications for the role of epistasis in adaptation. I discuss theoretical expectations in the light of empirical fitness landscapes and highlight open challenges and future directions toward integrating theory and data and incorporating ecological factors. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 53 is November 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
上位性发生时,突变的影响取决于其携带者的遗传背景。尽管越来越多的证据表明适应上位是常见的,但它在进化中的作用是有争议的。适应度景观是基因型或表型到适应度的映射,捕捉了上位性的全部范围和复杂性。适应度景观理论揭示了上位性对进化过程和结果的影响。此外,通过测量成千上万个连接基因型的竞争适应度,经验适应度景观表明,上位性是频繁的,并且取决于适应度测量、景观突变的选择和测量环境。在本文中,我回顾了适应性景观理论和实验及其对上位在适应中的作用的启示。我讨论了在实证适应度景观的理论期望,并强调了开放的挑战和未来的方向,以整合理论和数据,并纳入生态因素。《生态、进化和分类学年度评论》第53卷的最终在线出版日期预计为2022年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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引用次数: 27
Evolvability: A Quantitative-Genetics Perspective 进化:一个数量遗传学的观点
IF 11.8 1区 生物学 Q1 Environmental Science Pub Date : 2021-11-02 DOI: 10.1146/annurev-ecolsys-011121-021241
T. F. Hansen, C. Pélabon
The concept of evolvability emerged in the early 1990s and soon became fashionable as a label for different streams of research in evolutionary biology. In evolutionary quantitative genetics, evolvability is defined as the ability of a population to respond to directional selection. This differs from other fields by treating evolvability as a property of populations rather than organisms or lineages and in being focused on quantification and short-term prediction rather than on macroevolution. While the term evolvability is new to quantitative genetics, many of the associated ideas and research questions have been with the field from its inception as biometry. Recent research on evolvability is more than a relabeling of old questions, however. New operational measures of evolvability have opened possibilities for understanding adaptation to rapid environmental change, assessing genetic constraints, and linking micro- and macroevolution.
可进化性的概念出现在20世纪90年代初,并很快成为进化生物学不同研究流的时髦标签。在进化定量遗传学中,进化能力被定义为种群对方向选择作出反应的能力。这与其他领域的不同之处在于,它将可进化性视为群体的特性,而不是生物体或谱系的特性,它侧重于量化和短期预测,而不是宏观进化。虽然“可进化性”一词对定量遗传学来说是新的,但许多相关的想法和研究问题从生物计量学开始就与该领域有关。然而,最近关于可进化性的研究不仅仅是对老问题的重新贴标签。新的可进化性操作措施为理解对快速环境变化的适应、评估遗传约束以及将微观和宏观进化联系起来提供了可能性。
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引用次数: 27
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Annual Review of Ecology, Evolution, and Systematics
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