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排序方式: 共有46条查询结果,搜索用时 281 毫秒
41.
N. Gruchy F. Vialard E. Blondeel N. Le Meur G. Joly-Hélas P. Chambon M. Till M. Herbaut-Graux A. Vigouroux-Castera A. Coussement J. Lespinasse F. Amblard M. Jimenez L. Lebel Roy Camille F. Carré-Pigeon E. Flori F. Mugneret S. Jaillard C. Yardin R. Harbuz M. Collonge Rame P. Vago M. Valduga N. Leporrier 《黑龙江环境通报》2014,34(12):1133-1138
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Philip DeKoninck Julio Jimenez Francesca M. Russo Ryan Hodges Eduard Gratacós Jan Deprest 《黑龙江环境通报》2014,34(10):977-981
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Differentiating with fluorescence spectroscopy the sources of dissolved organic matter in soils subjected to drying 总被引:16,自引:0,他引:16
The relative fluorescence, normalised on dissolved organic carbon (DOC), and a humification index, based on the location of the fluorescence emission spectra, were used to investigate the possible sources of the increase in dissolved organic matter (DOM) when a soil is dried. From these 2 parameters it could be seen that air drying resulted in a minor increase of more humified material in DOM while the effect of oven drying was mainly due to cell lysis. 相似文献
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Yohana G. Jimenez Ezequiel Aroz Romina D. Fernandez Sofia Nanni Ramiro Ovejero Leonardo Paolini H. Ricardo Grau 《Ambio》2022,51(4):823
Human settlement into rural areas (counterurbanization) is generating new patterns of reforestation, with distinctive features compared to the previously considered pathways of forest transition through “economic development” and “forest scarcity”. Here, we discuss the specific features of this neglected pathway of forest recovery and describe the process with the support of study cases around the world. This pathway includes specific motivations (e.g., natural amenities, outdoor recreation), particular socio-economic processes, conflicts between newcomers and locals, and specific ecological outcomes (e.g., a larger proportion of non-native species in the new forests). Although this pathway locally affects small areas, as a widespread and expanding process around the world, counterurbanization could have a growing global effect, with the potential to modify biodiversity, ecosystem services, and cultural values. These novel characteristics should be further explored to better understand the patterns and processes of forest transitions in a context of a globally connected world.Supplementary InformationThe online version contains supplementary material available at 10.1007/s13280-021-01632-9. 相似文献