[1] IPCC. Climate Change 2013: The Physical Science Basis. Working Group Ⅰ Contribution to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge: Cambridge University Press, 2013 [2] Dai A. Increasing drought under global warming in observations and models. Nature Climate Change, 2013, 3: 52-58 [3] Escolar C, Maestre FT, Rey A, et al. Biocrusts modulate warming and rainfall exclusion effects on soil respiration in a semi-arid grassland. Soil Biology and Biochemistry, 2015, 80: 9-17 [4] Nguyen L, Osanai Y, Lai K, et al. Responses of the soil microbial community to nitrogen fertilizer regimes and historical exposure to extreme weather events: Flooding or prolonged-drought. Soil Biology and Biochemistry, 2018, 118: 227-236 [5] Taylor PG, Cleveland CC, Wieder WR, et al. Temperature and rainfall interact to control carbon cycling in tropical forests. Ecology Letters, 2017, 20: 779-788 [6] Zsolnay Á. Dissolved organic matter: Artefacts, definitions, and functions. Geoderma, 2003, 113: 187-209 [7] Sotta ED, Veldkamp E, Schwendenmann L, et al. Effects of an induced drought on soil carbon dioxide (CO2) efflux and soil CO2 production in an Eastern Amazonian rainforest, Brazil. Global Change Biology, 2010, 13: 2218-2229 [8] Schuur EA, Matson PA. Net primary productivity and nutrient cycling across a mesic to wet precipitation gra-dient in Hawaiian montane forest. Oecologia, 2001, 128: 431-442 [9] Wieder WR, Cleveland CC, Townsend AR, et al. Controls over leaf litter decomposition in wet tropical forests. Ecology, 2009, 90: 3333-3341 [10] Weishaar JL, Aiken GR, Bergamaschi BA, et al. Eva-luation of specific ultraviolet absorbance as an indicator of the chemical composition and reactivity of dissolved organic carbon. Environmental Science and Technology, 2003, 37: 4702-4708 [11] Huguet A, Vacher L, Saubusse S, et al. New insights into the size distribution of fluorescent dissolved organic matter in estuarine waters. Organic Geochemistry, 2010, 41: 595-610 [12] Liu S, Zhu Y, Liu L, et al. Cation-induced coagulation of aquatic plant-derived dissolved organic matter: Investigation by EEM-PARAFAC and FT-IR spectroscopy. Environmental Pollution, 2018, 234: 726-734 [13] Jones DL, Hughes LT, Murphy DV, et al. Dissolved organic carbon and nitrogen dynamics in temperate coni-ferous forest plantations. European Journal of Soil Science, 2010, 59: 1038-1048 [14] Zhang Z (张 政), Cai X-Z (蔡小真), Tang C-D (唐偲頔), et al. Priming effect of dissolved organic matter in the surface soil of a Cunninghamia lanceolata plantation. Acta Ecologica Sinica (生态学报), 2017, 37(22): 7660-7667 (in Chinese) [15] Yang Y-S (杨玉盛), Chen G-S (陈光水), Lin P (林鹏), et al. Fine root distribution, seasonal pattern and production in a native forest and monoculture plantations in subtropical China. Acta Ecologica Sinica (生态学报), 2003, 23(9): 1719-1730 (in Chinese) [16] Li S-J (李帅军), Guo J-F (郭剑芬), Wu D-M (吴东梅), et al. Effects of throughfall exclusion on soil microbial biomass and enzyme activities in a natural Castanopsis carlesii forest in subtropical China. Journal of Subtropical Resources and Environment (亚热带资源与环境学报), 2018, 13(1): 17-25 (in Chinese) [17] Yuan X-C (元晓春), Chen Y-M (陈岳民), Yuan S (袁 硕), et al. Effects of nitrogen deposition on the concentration and spectral characteristics of dissolved organic matter in soil solution in a young Cunninghamia lanceolata plantation. Chinese Journal of Applied Ecology (应用生态学报), 2017, 28(1): 1-11 (in Chinese) [18] Bao Y (鲍 勇), Gao Y (高 颖), Zeng X-M (曾晓敏), et al. Relationships between carbon and nitrogen contents and enzyme activities in soil of three typical subtropical forests in China. Chinese Journal of Plant Ecology (植物生态学报), 2018, 42(4): 508-516 (in Chinese) [19] Jiang J-W (江俊武), Li S-D (李帅东), Shen Y-Y (沈胤胤), et al. Spatial differences of optical properties of CDOM and their source apportionment in Taihu Lake in summer. Research of Environmental Sciences (环境科学研究), 2017, 30(7): 1020-1030 (in Chinese) [20] Senesi N, Miano, TM, Provenzano MR, et al. Characterization, differentiation, and classification of humic substances by fluorescence spectroscopy. Soil Science, 1991, 152: 259-271 [21] Mcknight DM, Boyer EW, Westerhoff PK, et al. Andersen DT: Spectrofluorometric characterization of dissolved organic matter for indication of precursor organic material and aromaticity. Limnology and Oceanography, 2001, 46: 38-48 [22] Huguet A, Vacher L, Relexans S, et al. Properties of fluorescent dissolved organic matter in the Gironde Estuary. Organic Geochemistry, 2009, 40: 706-719 [23] Xiong L (熊 丽), Yang Y-S (杨玉盛), Wan J-J (万菁娟), et al. Fractionation of dissolved organic carbon along soil profiles during the leaching process. Chinese Journal of Applied Ecology (应用生态学报), 2015, 26(5): 1289-1296 (in Chinese) [24] Chen W, Westerhoff P, Leenheer JA, et al. Fluorescence excitation-emission matrix regional integration to quantify spectra for dissolved organic matter. Environmental Science and Technology, 2003, 37: 5701-5710 [25] He X, Xi B, Wei Z, et al. Spectroscopic characterization of water extractable organic matter during composting of municipal solid waste. Chemosphere, 2011, 82: 541-548 [26] Kaiser K, Guggenberger G, Zech W, et al. Sorption of DOM and DOM fractions to forest soils. Geoderma, 1996, 74: 281-303 [27] Kalbitz K, Solinger S, Park JH, et al. Controls on the dynamics of dissolved organic matter in soils: A review. Soil Science, 2000, 165: 277-304 [28] Cotrufo MF, Soong JL, Horton AJ, et al. Formation of soil organic matter via biochemical and physical pathways of litter mass loss. Nature Geoscience, 2015, 8: 776-779 [29] Zhou S, Huang C, Xiang Y, et al. Effects of reduced precipitation on litter decomposition in an evergreen broad-leaved forest in western China. Forest Ecology and Management, 2018, 430: 219-227 [30] Evans SE, Wallenstein MD. Climate change alters ecological strategies of soil bacteria. Ecology Letters, 2014, 17: 155-164 [31] Cleveland CC, Wieder WR, Reed SC, et al. Experimental drought in a tropical rain forest increases soil carbon dioxide losses to the atmosphere. Ecology, 2010, 91: 2313-2323 [32] Zhao J-S (赵劲松), Zhang X-D (张旭东), Yuan X (袁 星), et al. Characteristics and environmental significance of soil dissolved organic matter. Chinese Journal of Applied Ecology (应用生态学报), 2003, 14(1): 126-130 (in Chinese) [33] Jin H, Min-Hye P, Schlautman MA, et al. Microbial transformation of dissolved leaf litter organic matter and its effects on selected organic matter operational descriptors. Environmental Science and Technology, 2009, 43: 2315-2321 [34] Kiikkilä O, Kanerva S, Kitunen V, et al. Soil microbial activity in relation to dissolved organic matter properties under different tree species. Plant and Soil, 2014, 377: 169-177 [35] Schwendenmann L, Veldkamp E, Brenes T, et al. Spatial and temporal variation in soil CO2 efflux in an old-growth neotropical rain forest, La Selva, Costa Rica. Biogeochemistry, 2003, 64: 111-128 [36] Phillips OL, Aragão LEOC, Lewis SL, et al. Drought sensitivity of the Amazon rainforest. Science, 2009, 323: 1344-1347 [37] Cleveland C, Reed S, Townsend A, et al. Nutrient regu-lation of organic matter decomposition in a tropical rain forest. Ecology, 2006, 87: 492-503 [38] Fontaine S, Mariotti A, Abbacies L, et al. The priming effect of organic matter: A question of microbial competition? Soil Biology and Biochemistry, 2003, 35: 837-843 [39] Ogaya R, Penuelas J. Contrasting foliar responses to drought in Quercus ilex and Phillyrea latifolia. Biologia Plantarum, 2006, 50: 373-382 [40] Saura MS, Estiarte M, Peñuelas J, et al. Effects of climate change on leaf litter decomposition across post-fire plant regenerative groups. Environmental and Experimental Botany, 2012, 77: 274-282 [41] Sanaullah M, Rumpel C, Charrier X, et al. How does drought stress influence the decomposition of plant litter with contrasting quality in a grassland ecosystem? Plant and Soil, 2012, 352: 277-288 [42] Yuan S (袁 硕), Yang Z-J (杨智杰), Yuan X-C (元晓春), et al. Effects of precipitation exclusion and warming on soil soluble carbon and nitrogen in a young Cunninghamia lanceolata plantation. Chinese Journal of Applied Ecology (应用生态学报), 2018, 29(7): 2217-2223 (in Chinese) [43] Homyak PM, Allison SD, Huxman TE, et al. Effects of drought manipulation on soil nitrogen cycling: A meta-analysis. Journal of Geophysical Research Biogeosciences, 2017, 122: 1-39 |