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9,110 result(s) for "Historical Process"
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From Policy to Practice: Analyzing Russia’s Experience in Building World-Class Universities via Policy Documents
Since the 21st century, Russia has pursued the construction of world-class universities as a core reform goal in higher education, aiming to address the inadequacies of its post-Soviet higher education system in adapting to international competition. This study systematically examines the historical evolution, strategic framework, key characteristics, and practical challenges of Russia’s efforts over more than two decades. Russia’s practice has gone through three distinct stages: foundational construction (2003–2012), marked by joining the Bologna Process and establishing federal and national research universities; in-depth advancement (2012–2020), driven by initiatives such as the “5–100 Plan,” Global Education Program, and regional flagship universities; and adjustment and optimization (2020–present), represented by the “Priority-2030” plan. These efforts have formed a strategic framework centered on system construction, internationalization, balanced development, and operational support. Key characteristics of Russia’s practice include the integration of strategic stability and tactical flexibility, the complementarity of tiered and classified development, and the coordination of government leadership and university autonomy. However, challenges persist, such as underperformance in global rankings, insufficient funding, uneven resource distribution, and severe talent drain.
Niche conservatism and elevated diversification shape species diversity in drylands: evidence from Zygophyllaceae
The integrated contributions of climate and macroevolutionary processes to global patterns of species diversity are still controversial in spite of a long history of studies. The niche conservatism hypothesis and the net diversification rate hypothesis have gained wide attention in recent literature. Many studies have tested these two hypotheses for woody species in humid forests; however, the determinants of species diversity patterns for arid-adapted plants remain largely ignored. Here, using a molecular phylogeny and the global distributions of Zygophyllaceae, a typical arid-adapted plant family, we assessed the effects of contemporary climate and net diversification rates on species diversity patterns in drylands. We found the variables representing water availability to be the best predictors for Zygophyllaceae diversity. Specifically, Zygophyllaceae species diversity significantly decreased with the increase in water availability, probably owing to phylogenetic conservatism of water-related niches. The net diversification rates of Zygophyllaceae accelerated sharply in the recent 10 Myr, coinciding roughly with the period of global aridification. The species diversity of Zygophyllaceae significantly increased with the increase in mean net diversification rates per geographical unit, especially in the Old World, supporting the net diversification rate hypothesis. Our study provides a case exploring climatic and evolutionary mechanisms of dryland species diversity patterns, and suggests that the conservatism in water-related niches and elevated net diversification rates in drylands may have jointly determined the global patterns of dryland species diversity.
Review the Development and Evolution of Aesthetic Education in Chinese Schools from a Policy Perspective
Since the promulgation of the first school education regulations in the early 20th century, Chinese school aesthetic education has gone through its first century of history. Six stages of development have been formed in this century of vicissitudes, namely, the budding period, the starting period, the salvation movement period, the tortuous development period, the reconstruction period, and the modernization period of the new era. From a historical point of view, we can sort out and analyze the policies of school aesthetic education, and we can learn that Chinese school aesthetic education has always insisted on the direction of building socialism with Chinese characteristics, guided by the principles of Marxist aesthetics and the achievements of specific Chinese practice as the methodology, adhered to the direction of cultural development of socialism with Chinese characteristics, and aimed at cultivating qualified builders and successors for the comprehensive development of socialism with Chinese characteristics. Aesthetic education in Chinese schools places a prominent place on “establishing, cultivating and clarifying morality”, emphasizes the role of “beauty” in “goodness”, and follows the aesthetic guideline of “unity of beauty and goodness”. Art education and its practical activities are the main content of school aesthetic education. The formation mechanism, laws, and characteristics of the sustainable development of school aesthetic education in China are summarized from the perspective of the century-old school aesthetic education policy, which is of theoretical guidance for the study of the future development of school aesthetic education in China.
Distinct Biogeographic Patterns for Archaea, Bacteria, and Fungi along the Vegetation Gradient at the Continental Scale in Eastern China
Understanding biogeographic patterns is a precursor to improving our knowledge of the function of microbiomes and to predicting ecosystem responses to environmental change. Using natural forest soil samples from 110 locations, this study is one of the largest attempts to comprehensively understand the different patterns of soil archaeal, bacterial, and fungal biogeography at the continental scale in eastern China. These patterns in natural forest sites could ascertain reliable soil microbial biogeographic patterns by eliminating anthropogenic influences. This information provides guidelines for monitoring the belowground ecosystem’s decline and restoration. Meanwhile, the deviations in the soil microbial communities from corresponding natural forest states indicate the extent of degradation of the soil ecosystem. Moreover, given the association between vegetation type and the microbial community, this information could be used to predict the long-term response of the underground ecosystem to the vegetation distribution caused by global climate change. The natural forest ecosystem in Eastern China, from tropical forest to boreal forest, has declined due to cropland development during the last 300 years, yet little is known about the historical biogeographic patterns and driving processes for the major domains of microorganisms along this continental-scale natural vegetation gradient. We predicted the biogeographic patterns of soil archaeal, bacterial, and fungal communities across 110 natural forest sites along a transect across four vegetation zones in Eastern China. The distance decay relationships demonstrated the distinct biogeographic patterns of archaeal, bacterial, and fungal communities. While historical processes mainly influenced bacterial community variations, spatially autocorrelated environmental variables mainly influenced the fungal community. Archaea did not display a distance decay pattern along the vegetation gradient. Bacterial community diversity and structure were correlated with the ratio of acid oxalate-soluble Fe to free Fe oxides (Feo/Fed ratio). Fungal community diversity and structure were influenced by dissolved organic carbon (DOC) and free aluminum (Ald), respectively. The role of these environmental variables was confirmed by the correlations between dominant operational taxonomic units (OTUs) and edaphic variables. However, most of the dominant OTUs were not correlated with the major driving variables for the entire communities. These results demonstrate that soil archaea, bacteria, and fungi have different biogeographic patterns and driving processes along this continental-scale natural vegetation gradient, implying different community assembly mechanisms and ecological functions for archaea, bacteria, and fungi in soil ecosystems. IMPORTANCE Understanding biogeographic patterns is a precursor to improving our knowledge of the function of microbiomes and to predicting ecosystem responses to environmental change. Using natural forest soil samples from 110 locations, this study is one of the largest attempts to comprehensively understand the different patterns of soil archaeal, bacterial, and fungal biogeography at the continental scale in eastern China. These patterns in natural forest sites could ascertain reliable soil microbial biogeographic patterns by eliminating anthropogenic influences. This information provides guidelines for monitoring the belowground ecosystem’s decline and restoration. Meanwhile, the deviations in the soil microbial communities from corresponding natural forest states indicate the extent of degradation of the soil ecosystem. Moreover, given the association between vegetation type and the microbial community, this information could be used to predict the long-term response of the underground ecosystem to the vegetation distribution caused by global climate change. Author Video : An author video summary of this article is available.
Drivers of phylogenetic assemblage structure of the furnariides, a widespread clade of lowland neotropical birds
Species co-occurrence in local assemblages is shaped by distinct processes at different spatial and temporal scales. Here we focus on historical explanations and examine the phylogenetic structure of local assemblages of the Furnariides clade (Aves: Passeriformes), assessing the influence of diversification rates on the assembly and species co-occurrence within those assemblages. Using 120 local assemblages across Bolivia and Argentina and a nearly complete phylogeny for the clade, we analyzed assemblage phylogenetic structure, applying a recently developed model (DAMOCLES, or dynamic assembly model of colonization, local extinction, and speciation) accounting for the historical processes of speciation, colonization, and local extinction. We also evaluated how diversification rates determine species co-occurrence. We found that the assembly of Furnariides assemblages can be explained largely by speciation, colonization, and local extinction without invoking current local species interactions. Phylogenetic structure of open habitat assemblages mainly showed clustering, characterized by faster rates of colonization and local extinction than in forest habitats, whereas forest habitat assemblages were congruent with the model’s equal rates expectation, thus highlighting the influence of habitat preferences on assembly and co-occurrence patterns. Our results suggest that historical processes are sufficient to explain local assemblage phylogenetic structure, while there is little evidence for species ecological interactions in avian assemblage diversity and composition.
Specification-driven predictive business process monitoring
Predictive analysis in business process monitoring aims at forecasting the future information of a running business process. The prediction is typically made based on the model extracted from historical process execution logs (event logs). In practice, different business domains might require different kinds of predictions. Hence, it is important to have a means for properly specifying the desired prediction tasks, and a mechanism to deal with these various prediction tasks. Although there have been many studies in this area, they mostly focus on a specific prediction task. This work introduces a language for specifying the desired prediction tasks, and this language allows us to express various kinds of prediction tasks. This work also presents a mechanism for automatically creating the corresponding prediction model based on the given specification. Differently from previous studies, instead of focusing on a particular prediction task, we present an approach to deal with various prediction tasks based on the given specification of the desired prediction tasks. We also provide an implementation of the approach which is used to conduct experiments using real-life event logs.
Global patterns of mammalian co-occurrence: phylogenetic and body size structure within species ranges
Aim: To analyse the geographical co-occurrence among mammal species based on their complete geographical distributions, considering their phylogenetic relationships and body size data. We describe species-level patterns and test the relative effects of ecological and evolutionary processes in determining species co-occurrence under the phylogenetic field framework. Location: Global. Methods: We gathered distributional, phylogenetic and body size information for 3697 mammal species. We defined phylogenetic fields of species by estimating the phylogenetic structure of species co-occurrence within a focal species' range. Likewise, body size structure within focal species' ranges was defined as body size fields. We applied a spatial-phylogenetic statistical framework to evaluate geographical variation on species fields. Also, we tested the significance of phylogenetic and body size fields based on biogeographically informed null models. Analyses were done for all mammal species as a whole and within particular taxonomic orders. Results: Phylogenetic and body size fields of mammal species showed significant geographical patterning beyond their spatial and phylogenetic dependence. Phylogenetic fields were strikingly different between the New and Old World, with mammals co-occurring with more closely related species in the New World and more distantly related species in the Old World. Clustered phylogenetic and body size fields showed geographically congruent patterns. Similar findings were obtained within particular mammalian orders. Main conclusions: Geographical co-occurrence among mammal species reveals the imprint of historical origins and dispersal of mammalian lineages. Phylogenetic and body size structure within mammalian ranges is driven by the distinct histories among biogeographical regions and mainly between the New and Old World. We demonstrate the usefulness of a new protocol integrating species' distributional, phylogenetic and body size information for linking evolutionary and ecological approaches to understand geographical patterns of biodiversity.
The spatial structure of bacterial communities is influenced by historical environmental conditions
The spatial structure of ecological communities, including that of bacteria, is often influenced by species sorting by contemporary environmental conditions. Moreover, historical processes, i.e., ecological and evolutionary events that have occurred at some point in the past, such as dispersal limitation, drift, priority effects, or selection by past environmental conditions, can be important, but are generally investigated much less. Here, we conducted a field study using 16 rock pools, where we specifically compared the importance of past vs. contemporary environmental conditions for bacterial community structure by correlating present differences in bacterial community composition among pools to environmental conditions measured on the same day, as well as to those measured 2, 4, 6, and 8 d earlier. The results prove that selection by past environmental conditions exists, since we were able to show that bacterial communities are, to a greater extent, an imprint of past compared to contemporary environmental conditions. We suggest that this is the result of a combination of different mechanisms, including priority effects that cause rapid adaptation to new environmental conditions of taxa that have been initially selected by past environmental conditions, and slower rates of turnover in community composition compared to environmental conditions.
Global diversity of non-biting midges (Chironomidae; Insecta-Diptera) in freshwater
Chironomidae are common inhabitants of most aquatic habitats, and often dominate aquatic insect communities in both abundance and species richness. Species occur in all continents, including Antarctica, and most major oceanic islands that have been investigated. The family is divided into 11 subfamilies and 22 nominal tribes. Although individual species occur in a wide range of habitats from terrestrial to fully aquatic, a total of 339 genera and 4,147 species are unambiguously aquatic in their immature stages. Greatest species and generic richnesses occur in the Palaearctic Region and Nearctic Region, respectively, but this pattern may largely reflect historical patterns of past taxonomic research efforts.
Relative effects of time for speciation and tropical niche conservatism on the latitudinal diversity gradient of phyllostomid bats
Determinants of contemporary patterns of diversity, particularly those spanning extensive latitudinal gradients, are some of the most intensely debated issues in ecology. Recently, focus has shifted from a contemporary environmental perspective to a historical one in an attempt to better understand the construction of latitudinal gradients. Although the vast majority of research on historical mechanisms has focused on tropical niche conservatism (TNC), other historical scenarios could produce similar latitudinal gradients. Herein, I formalize predictions to distinguish between two such historical processes—namely time for speciation (TFS) and TNC—and test relative support based on diversity gradients of New World bats. TFS and TNC are distinctly spatial and environmental mechanisms, respectively. Nonetheless, because of the way that environmental characteristics vary spatially, these two mechanisms are hard to distinguish. Evidence provided herein suggests that TNC has had a more important effect than TFS in determining diversity gradients of New World bats. Indeed, relative effects of different historical mechanisms, as well as relative effects of historical and contemporary environmental determinants, are probably context-dependent. Future research should move away from attempting to identify the mechanism with primacy and instead attempt to understand the particular contexts in which different mechanisms have greater influence on diversity gradients.