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61.
John E. Mathieu 《组织行为杂志》2016,37(8):1132-1141
Theory is essential to everything that we do as people studying and practicing industrial/organizational psychology and organizational behavior. But, I think that our field has lost its way recently and become enamored by shiny objects and interesting puzzles. Advancing management theory seems to have become an end state in and of itself. We seemed to be far more concerned with the entertainment value of theories than we are with their scientific rigor or real‐world value. Top journals in our field are mandating that all articles must make a theoretical contribution, and theoretical contributions are being gauged primarily in terms of how innovative, counter‐intuitive, surprising, and interesting they may be. I advocate for a more balanced approach, and in particular, for greater use of abductive inference. I argue that if you start with a real‐world challenge and draw from existing theory, and then develop new theory to understand and change things, you are also making a theoretical contribution. Whether or not we are guided by theory is not really at issue—at issue is how well developed are our theories, how accurate are they, and do they help us to improve organizational life for everyone involved? 相似文献
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Choque E. Rezzani G. Salvay A. G. Mathieu F. Peltzer M. A. 《Journal of Polymers and the Environment》2021,29(6):1954-1962
Journal of Polymers and the Environment - Bioactive packaging is gaining interest in food preservation as an alternative to the incorporation of additives to food formulations. Yeast cell wall is a... 相似文献
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Since the 1980s, diseases have caused significant declines in the population of the threatened Caribbean coral Acropora palmata. Yet it is largely unknown whether the population densities have recovered from these declines and whether there have been any recent shifts in size-frequency distributions toward large colonies. It is also unknown whether colony size influences the risk of disease infection, the most common stressor affecting this species. To address these unknowns, we examined A. palmata colonies at ten sites around St. John, US Virgin Islands, in 2004 and 2010. The prevalence of white-pox disease was highly variable among sites, ranging from 0 to 53 %, and this disease preferentially targeted large colonies. We found that colony density did not significantly change over the 6-year period, although six out of ten sites showed higher densities through time. The size-frequency distributions of coral colonies at all sites were positively skewed in both 2004 and 2010, however, most sites showed a temporal shift toward more large-sized colonies. This increase in large-sized colonies occurred despite the presence of white-pox disease, a severe bleaching event, and several storms. This study provides evidence of slow recovery of the A. palmata population around St. John despite the persistence of several stressors. 相似文献
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Erin K. Cameron Inês S. Martins Patrick Lavelle Jérôme Mathieu Leho Tedersoo Mohammad Bahram Felix Gottschall Carlos A. Guerra Jes Hines Guillaume Patoine Julia Siebert Marten Winter Simone Cesarz Olga Ferlian Holger Kreft Thomas E. Lovejoy Luca Montanarella Alberto Orgiazzi Henrique M. Pereira Helen R. P. Phillips Josef Settele Diana H. Wall Nico Eisenhauer 《Conservation biology》2019,33(5):1187-1192
Human activities are accelerating global biodiversity change and have resulted in severely threatened ecosystem services. A large proportion of terrestrial biodiversity is harbored by soil, but soil biodiversity has been omitted from many global biodiversity assessments and conservation actions, and understanding of global patterns of soil biodiversity remains limited. In particular, the extent to which hotspots and coldspots of aboveground and soil biodiversity overlap is not clear. We examined global patterns of these overlaps by mapping indices of aboveground (mammals, birds, amphibians, vascular plants) and soil (bacteria, fungi, macrofauna) biodiversity that we created using previously published data on species richness. Areas of mismatch between aboveground and soil biodiversity covered 27% of Earth's terrestrial surface. The temperate broadleaf and mixed forests biome had the highest proportion of grid cells with high aboveground biodiversity but low soil biodiversity, whereas the boreal and tundra biomes had intermediate soil biodiversity but low aboveground biodiversity. While more data on soil biodiversity are needed, both to cover geographic gaps and to include additional taxa, our results suggest that protecting aboveground biodiversity may not sufficiently reduce threats to soil biodiversity. Given the functional importance of soil biodiversity and the role of soils in human well-being, soil biodiversity should be considered further in policy agendas and conservation actions by adapting management practices to sustain soil biodiversity and considering soil biodiversity when designing protected areas. 相似文献
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Mathieu Goriaux Maryline Pflieger Anne Monod Sasho Gligorovski Rafal S. Strekowski Henri Wortham 《Environmental science and pollution research international》2014,21(8):5628-5636
The heterogeneous ozonolysis of naphthalene adsorbed on XAD-4 resin was studied using an annular denuder technique. The experiments involved depositing a known quantity of naphthalene on the XAD-4 resin and then measuring the quantity of the solid naphthalene that reacted away under a constant flow of gaseous ozone (0.064 to 4.9 ppm) for a defined amount of time. All experiments were performed at room temperature (26 to 30 °C) and atmospheric pressure. The kinetic rate coefficient for the ozonolysis reaction of naphthalene adsorbed on XAD-4 resin is reported to be (10.1?±?0.4)?×?10?19 cm3 molecule?1 s?1 (error is 2σ, precision only). This value is five times greater than the currently recommended literature value for the homogeneous gas phase reaction of naphthalene with ozone. The obtained rate coefficient is used to evaluate reaction artifacts from field concentration measurements of naphthalene, acenaphthene, and phenanthrene. The observed uncertainties associated with field concentration measurements of naphthalene, acenaphthene, and phenanthrene are reported to be much higher than the uncertainties associated with the artifact reactions. Consequently, ozone reaction artifact appears to be negligible compared to the observed field measurement uncertainty results. 相似文献