Results 11 to 20 of about 22,602 (175)
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Plant phenology is crucial for understanding plant growth and climate feedback. It affects canopy structure, surface albedo, and carbon and water fluxes. While the influence of environmental factors on phenology is well‐documented, the role of plant intrinsic factors ...
Yunpeng Luo +8 more
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Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Decomposition is the transformation of dead organic matter into its inorganic constituents. In most biomes, decomposition rates can be accurately predicted with simple mathematical models, but these models have long under‐predicted decomposition in globally extensive ...
Heather L. Throop +8 more
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Jellyfish blooms restructure plankton dynamics and trophic linkages in coastal waters
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Jellyfish blooms are increasing globally in frequency and intensity, introducing complex ecological interactions, yet the mechanisms by which they alter ecosystem structure remain poorly characterized due to a lack of sustained field observations.
Pengpeng Wang +4 more
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Extended Dynamic Nelson-Siegel Model with Human Factor and Its Application in Predicting Exchange Rate [PDF]
, 2016 随着越来越多的发达国家步入人口老龄化社会，学者们愈发关注人口结构与资产价格的关系（如利率和人口结构之间的关系）。依据人口结构变化能够显著影响利率的理论基础，本文从统计模型的角度提出了基于人口因子的动态Nelson-Siegel扩展模型，并对美国、加拿大等几个国家的国债收益率曲线进行建模，比较两模型的样本内拟合的RMSE和MAE及模型在递归预测和滚动预测下的样本外预测能力。与原始动态Nelson-Siegel模型比较，该模型在样本内拟合效果和样本外预测效果均占优于原始模型，且基于人口因子的动态Nelson-
郑桂凤
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管我们是因为爱我们 To Guan Us Is to Love Us: Understanding Guan Through Adolescent Perceptions
Children &Society, EarlyView.ABSTRACT This paper investigates how children interpret the practice of guan (Chinese parenting) within the home and its relationship to family language policy (FLP). The study involved nine adolescent participants from six families. Using a written reflective task, the study explores the attitudes of adolescents towards the practice of guan and its ...
Angie Baily +1 more
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The Role of Messenger RNA Alternative Polyadenylation During Developmental Gene Expression Regulation and Adapdation of Rice [PDF]
, 2016 水稻（Oryzasativa）不仅是世界上最重要的粮食作物之一，也是单子叶模式植物。水稻品种japonicaNipponbare和indica93-11为两个水稻亚种代表，广泛的种植于我国的南北区域，对环境与气候形成一定的适应性，在我国形成北粳南籼的生产格局。它们各自具有独自的生理特性和生长周期。转录组为特定生理条件下，细胞中全部转录产物的集合。通过对水稻发育过程转录组的研究，可以全面地了解基因表达调控在水稻发育过程中的调节作用以及对环境适应性。多聚腺苷化是基因在转录形成成熟的转录本之前的加工过程之一 ...
付海辉
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Representation of obligate groundwater‐dwelling copepod diversity in European protected areas
Conservation Biology, EarlyView.Abstract Groundwaters sustain diverse surface ecosystems and are populated by metazoan species, mostly invertebrates, that provide fundamental ecological functions and are often of prominent conservation value due to narrow endemism and high phylogenetic rarity.
Francesco Cerasoli +7 more
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Dizhen xuebao, 2019 为了探究九江—瑞昌地区内的地震活动是否存在动态应力触发关系，本文选用多层黏弹性介质模型，计算了2005年九江—瑞昌MS5.7地震和2011年瑞昌—阳新MS4.6地震产生的动态库仑破裂应力变化。结果显示：九江—瑞昌MS5.7地震产生的动态库仑破裂应力变化，能触发其北东方向的53次地震；瑞昌—阳新MS4.6地震发生后15天内，小震活动增强区及九江—瑞昌MS5.7地震震源区的多次地震活动，可能与其动态应力触发作用有关。
Feifei Dong +6 more
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Research on TFP Dynamics Effects of Service Structural Changes in China [PDF]
, 2016 理论上，越来越多的研究表明，全要素生产率的差距是造成国家之间经济增长和收入差距的最重要的原因。实践中，2007年以来，中国经济增长的可持续性受到质疑，理由是中国的全要素生产率太低，不足以支持经济长期可持续的增长。以提高全要素生产率为核心的“供给侧”改革成为当前热点问题。 本文在对1990-2012年期间，我国服务业结构变迁实证分析和服务业细分行业全要素生产率测算基础上，利用结构分解和计量模型两种方法，探寻服务业结构变迁的全要素生产率动态变化效应。本文的基本观点和结论为：第一 ...
田友春
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Conservation Biology, EarlyView.Abstract In the western United States, conservation practitioners are increasingly working with private landowners to restore habitat for North American beavers (Castor canadensis) and to use nonlethal mitigation techniques when beavers damage crops and infrastructure.
Brian D. Erickson, Megan S. Jones
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