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D. V. Karelin S. V. Goryachkin D. G. Zamolodchikov A. V. Dolgikh E. P. Zazovskaya V. A. Shishkov G. N. Kraev 《Doklady Earth Sciences》2017,477(2):1467-1469
Various human footprints on the flux of biogenic greenhouse gases from permafrost-affected soils in Arctic and boreal domains in Russia are considered. Tendencies of significant growth or suppression of soil CO2 fluxes change across types of human impact. Overall, the human impacts increase the mean value and variance of local soil CO2 flux. Human footprint on methane exchange between soil and atmosphere is mediated by drainage. However, all the types of human impact suppress the sources and increase sinks of methane to the land ecosystems. N2O flux grew under the considered types of human impact. Based on the results, we suggest that human footprint on soil greenhouse gases fluxes is comparable to the effect of climate change at an annual to decadal timescales. 相似文献
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Ptichnikov A. V. Karelin D. V. Kotlyakov V. M. Pautov Y. A. Borovlev A. Y. Kuznetsova D. A. Zamolodchikov D. G. Grabovsky V. I. 《Doklady Earth Sciences》2019,489(1):1345-1347
Doklady Earth Sciences - In this paper, we analyze the applicability of the land degradation neutrality (LDN) concept of the UN Convention to Combat Desertification to the Russian boreal forests.... 相似文献
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Karelin D. V. Zamolodchikov D. G. Shilkin A. V. Kumanyaev A. S. Popov S. Yu. Tel’nova N. O. Gitarskiy M. L. 《Doklady Earth Sciences》2020,493(1):558-561
Doklady Earth Sciences - The long-term effect of spruce stand decay on the CO2 balance was studied in the taiga of Valdai (Russia, Novgorod oblast). The CO2 emission from soil, the respiration of... 相似文献
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D. G. Zamolodchikov V. I. Grabovskii G. N. Korovin M. L. Gitarskii V. G. Blinov V. V. Dmitriev W. A. Kurz 《Russian Meteorology and Hydrology》2013,38(10):701-714
Considered are the contribution of managed forests in the Russian Federation to the climate change softening and the forecast of their carbon-depositing potential in the period till 2050 under different scenarios of the forest management. The sink of CO2 to managed forests is estimated using the flow balance method. The CBM-CFS3 model worked out in the Canadian Forestry Service is used for predicting the carbon budget. It is found out that managed forests absorb 473.8 Mt of CO2 per year. The carbon sink is caused by the reduction of the volume of the forest use and by the regeneration of cutover stands of previous years. Depending on the conditions of the forest use, by 2020 the CO2 sink to managed forests will amount to 466–632 Mt/year and will be able to compensate from 21 to 29% of industrial emissions of greenhouse gases. The carbon absorption by managed forests will decrease to 105–235 Mt/year by 2050. To maintain and increase the carbon-depositing potential of managed forests, the Russian Federation needs the development of the system of purposeful activities on strengthening the protection against forest fires and on the intensification of forest reproduction. 相似文献
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