[1] 李晓曼, 康文星. 广州市城市森林生态系统碳汇功能研究 [J]. 中南林业科技大学学报, 2008, 28(1): 8-13. doi: 10.3969/j.issn.1673-923X.2008.01.014 LI X M, KANG W X. Function of carbon sink of forest ecosystem in Guangzhou [J]. Journal of Central South University of Forestry & Technology, 2008, 28(1): 8-13(in Chinese). doi: 10.3969/j.issn.1673-923X.2008.01.014
[2] 李锋, 刘旭升, 王如松. 城市森林研究进展与发展战略 [J]. 生态学杂志, 2003, 22(4): 55-59. doi: 10.3321/j.issn:1000-4890.2003.04.011 LI F, LIU X S, WANG R S. Advances in urban forest and its development strategies research [J]. Chinese Journal of Ecology, 2003, 22(4): 55-59(in Chinese). doi: 10.3321/j.issn:1000-4890.2003.04.011
[3] BERLAND A, SHIFLETT S A, SHUSTER W D, et al. The role of trees in urban stormwater management [J]. Landscape and Urban Planning, 2017, 162: 167-177. doi: 10.1016/j.landurbplan.2017.02.017
[4] ISLAM M N, RAHMAN K S, BAHAR M M, et al. Pollution attenuation by roadside greenbelt in and around urban areas [J]. Urban Forestry & Urban Greening, 2012, 11(4): 460-464.
[5] NOWAK D J. Institutionalizing urban forestry as a “biotechnology” to improve environmental quality [J]. Urban Forestry & Urban Greening, 2006, 5(2): 93-100.
[6] LIVESLEY S J, MCPHERSON G M, CALFAPIETRA C. The urban forest and ecosystem services: Impacts on urban water, heat, and pollution cycles at the tree, street, and city scale [J]. Journal of Environmental Quality, 2016, 45(1): 119-124. doi: 10.2134/jeq2015.11.0567
[7] WHEATLEY B, WHEATLEY M A. Methylmercury and the health of indigenous peoples: A risk management challenge for physical and social sciences and for public health policy [J]. Science of the Total Environment, 2000, 259(1/2/3): 23-29.
[8] FU X W, ZHANG H, YU B, et al. Observations of atmospheric mercury in China: A critical review [J]. Atmospheric Chemistry and Physics, 2015, 15(16): 9455-9476. doi: 10.5194/acp-15-9455-2015
[9] DRISCOLL C T, MASON R P, CHAN H M, et al. Mercury as a global pollutant: Sources, pathways, and effects [J]. Environmental Science & Technology, 2013, 47(10): 4967-4983.
[10] HASHEMI S A, TABIBIAN S. Application of Mulberry nigra to absorb heavy metal, mercury, from the environment of green space city [J]. Toxicology Reports, 2018, 5: 644-646. doi: 10.1016/j.toxrep.2018.05.006
[11] DRISCOLL C T, HAN Y J, CHEN C Y, et al. Mercury contamination in forest and freshwater ecosystems in the northeastern United States [J]. BioScience, 2007, 57(1): 17-28. doi: 10.1641/B570106
[12] STREETS D G, HOROWITZ H M, LU Z F, et al. Global and regional trends in mercury emissions and concentrations, 2010—2015 [J]. Atmospheric Environment, 2019, 201: 417-427. doi: 10.1016/j.atmosenv.2018.12.031
[13] JOHNSON D W, LINDBERG S E. The biogeochemical cycling of Hg in forests: Alternative methods for quantifying total deposition and soil emission [J]. Water, Air, and Soil Pollution, 1995, 80(1/2/3/4): 1069-1077.
[14] REA A W, KEELER G J, SCHERBATSKOY T. The deposition of mercury in throughfall and litterfall in the lake Champlain watershed: A short-term study [J]. Atmospheric Environment, 1996, 30(19): 3257-3263. doi: 10.1016/1352-2310(96)00087-8
[15] WANG X, BAO Z D, LIN C J, et al. Assessment of global mercury deposition through litterfall [J]. Environmental Science & Technology, 2016, 50(16): 8548-8557.
[16] 王训, 袁巍, 冯新斌. 森林生态系统汞的生物地球化学过程 [J]. 化学进展, 2017, 29(9): 970-980. doi: 10.7536/PC170343 WANG X, YUAN W, FENG X B. Global review of mercury biogeochemical processes in forest ecosystems [J]. Progress in Chemistry, 2017, 29(9): 970-980(in Chinese). doi: 10.7536/PC170343
[17] NIU Z C, ZHANG X S, WANG Z W, et al. Mercury in leaf litter in typical suburban and urban broadleaf forests in China [J]. Journal of Environmental Sciences, 2011, 23(12): 2042-2048. doi: 10.1016/S1001-0742(10)60669-9
[18] FLECK J A, GRIGAL D F, NATER E A. Mercury uptake by trees: An observational experiment [J]. Water, Air, and Soil Pollution, 1999, 115(1/2/3/4): 513-523.
[19] ASSAD M, PARELLE J, CAZAUX D, et al. Mercury uptake into poplar leaves [J]. Chemosphere, 2016, 146: 1-7. doi: 10.1016/j.chemosphere.2015.11.103
[20] ERICKSEN J A, GUSTIN M S, SCHORRAN D E, et al. Accumulation of atmospheric mercury in forest foliage [J]. Atmospheric Environment, 2003, 37(12): 1613-1622. doi: 10.1016/S1352-2310(03)00008-6
[21] ERICKSEN J A, GUSTIN M S. Foliar exchange of mercury as a function of soil and air mercury concentrations [J]. Science of the Total Environment, 2004, 324(1/2/3): 271-279.
[22] FRESCHOLTZ T E, GUSTIN M S, SCHORRAN D E, et al. Assessing the source of mercury in foliar tissue of quaking aspen [J]. Environmental Toxicology and Chemistry, 2003, 22(9): 2114-2119. doi: 10.1002/etc.5620220922
[23] MÉLIÈRES M A, POURCHET M, CHARLES-DOMINIQUE P, et al. Mercury in canopy leaves of French Guiana in remote areas [J]. Science of the Total Environment, 2003, 311(1/2/3): 261-267.
[24] WANG Z W, ZHANG X S, XIAO J S, et al. Mercury fluxes and pools in three subtropical forested catchments, southwest China [J]. Environmental Pollution, 2009, 157(3): 801-808. doi: 10.1016/j.envpol.2008.11.018
[25] ZHOU J, WANG Z W, ZHANG X S. Deposition and fate of mercury in litterfall, litter, and soil in coniferous and broad-leaved forests [J]. Journal of Geophysical Research:Biogeosciences, 2018, 123(8): 2590-2603. doi: 10.1029/2018JG004415
[26] RICHARDSON J B, FRIEDLAND A J. Mercury in coniferous and deciduous upland forests in northern New England, USA: Implications of climate change [J]. Biogeosciences, 2015, 12(22): 6737-6749. doi: 10.5194/bg-12-6737-2015
[27] LAACOURI A, NATER E A, KOLKA R K. Distribution and uptake dynamics of mercury in leaves of common deciduous tree species in Minnesota, USA [J]. Environmental Science & Technology, 2013, 47(18): 10462-10470.
[28] OBRIST D, JOHNSON D W, LINDBERG S E, et al. Mercury distribution across 14 US forests. part I: Spatial patterns of concentrations in biomass, litter, and soils [J]. Environmental Science & Technology, 2011, 45(9): 3974-3981.
[29] RASMUSSEN P E, MIERLE G, NRIAGU J O. The analysis of vegetation for total mercury [J]. Water Air & Soil Pollution, 1991, 56(1): 379-390.
[30] OBRIST D, JOHNSON D W, EDMONDS R L. Effects of vegetation type on mercury concentrations and pools in two adjacent coniferous and deciduous forests [J]. Journal of Plant Nutrition and Soil Science, 2012, 175(1): 68-77. doi: 10.1002/jpln.201000415
[31] YANG Y, YANAI R D, DRISCOLL C T, et al. Concentrations and content of mercury in bark, wood, and leaves in hardwoods and conifers in four forested sites in the northeastern USA [J]. PLoS One, 2018, 13(4): e0196293. doi: 10.1371/journal.pone.0196293
[32] HALL B D, ST LOUIS V L. Methylmercury and total mercury in plant litter decomposing in upland forests and flooded landscapes [J]. Environmental Science & Technology, 2004, 38(19): 5010-5021.
[33] 杨佳, 王会霞, 谢滨泽, 等. 北京9个树种叶片滞尘量及叶面微形态解释 [J]. 环境科学研究, 2015, 28(3): 384-392. YANG J, WANG H X, XIE B Z, et al. Accumulation of particulate matter on leaves of nine urban greening plant species with different micromorphological structures in Beijing [J]. Research of Environmental Sciences, 2015, 28(3): 384-392(in Chinese).
[34] JUILLERAT J I, ROSS D S, BANK M S. Mercury in litterfall and upper soil horizons in forested ecosystems in Vermont, USA [J]. Environmental Toxicology and Chemistry, 2012, 31(8): 1720-1729. doi: 10.1002/etc.1896
[35] BLACKWELL B D, DRISCOLL C T. Deposition of mercury in forests along a montane elevation gradient [J]. Environmental Science & Technology, 2015, 49(9): 5363-5370.
[36] REA A W, LINDBERG S E, SCHERBATSKOY T, et al. Mercury accumulation in foliage over time in two northern mixed-hardwood forests [J]. Water, Air, and Soil Pollution, 2002, 133(1/2/3/4): 49-67.
[37] BUSHEY J T, NALLANA A G, MONTESDEOCA M R, et al. Mercury dynamics of a northern hardwood canopy [J]. Atmospheric Environment, 2008, 42(29): 6905-6914. doi: 10.1016/j.atmosenv.2008.05.043
[38] LIU S L, NADIM F, PERKINS C, et al. Atmospheric mercury monitoring survey in Beijing, China [J]. Chemosphere, 2002, 48(1): 97-107. doi: 10.1016/S0045-6535(02)00026-7
[39] WU Q R, TANG Y, WANG S X, et al. Developing a statistical model to explain the observed decline of atmospheric mercury [J]. Atmospheric Environment, 2020, 243: 117868. doi: 10.1016/j.atmosenv.2020.117868
[40] NGUYEN L S P, SHEU G R, LIN D W, et al. Temporal changes in atmospheric mercury concentrations at a background mountain site downwind of the East Asia continent in 2006-2016 [J]. Science of the Total Environment, 2019, 686: 1049-1056. doi: 10.1016/j.scitotenv.2019.05.425
[41] KIM K H, BROWN R J C, KWON E, et al. Atmospheric mercury at an urban station in Korea across three decades [J]. Atmospheric Environment, 2016, 131: 124-132. doi: 10.1016/j.atmosenv.2016.01.051
[42] TANG Y, WANG S X, WU Q R, et al. Recent decrease trend of atmospheric mercury concentrations in East China: The influence of anthropogenic emissions [J]. Atmospheric Chemistry and Physics, 2018, 18(11): 8279-8291. doi: 10.5194/acp-18-8279-2018
[43] ZHANG W, TONG Y D, HU D, et al. Characterization of atmospheric mercury concentrations along an urban-rural gradient using a newly developed passive sampler [J]. Atmospheric Environment, 2012, 47: 26-32. doi: 10.1016/j.atmosenv.2011.11.046
[44] SHEEHAN K D, FERNANDEZ I J, KAHL J S, et al. Litterfall mercury in two forested watersheds at Acadia National Park, Maine, USA [J]. Water, Air, and Soil Pollution, 2006, 170(1/2/3/4): 249-265.
[45] SILVA-FILHO E V, MACHADO W, OLIVEIRA R R, et al. Mercury deposition through litterfall in an Atlantic forest at ilha grande, southeast Brazil [J]. Chemosphere, 2006, 65(11): 2477-2484. doi: 10.1016/j.chemosphere.2006.04.053
[46] 章志琴, 朱亚男, 杨晓荣, 等. 无锡城市绿地凋落物存留特征及处理方式分析 [J]. 林业勘察设计, 2019, 39(4): 14-17. ZHANG Z Q, ZHU Y N, YANG X R, et al. Characteristics and treatment mode on litter decomposition in Wuxi City [J]. Forestry Prospect and Design, 2019, 39(4): 14-17(in Chinese).
[47] 张欢. 北京城市大气中汞的形态及气粒分配[D]. 北京: 中国科学院生态环境研究中心, 2019. ZHANG H. Speciation and gas-particle partitioning of mercury in Beijing urban atmosphere [D]. Beijing: Research Center for Eco-Environmental Sciences, Chinese Academy of Science, 2019（in Chinese）
[48] ZHOU J, WANG Z W, ZHANG X S, et al. Mercury concentrations and pools in four adjacent coniferous and deciduous upland forests in Beijing, China [J]. Journal of Geophysical Research:Biogeosciences, 2017, 122(5): 1260-1274. doi: 10.1002/2017JG003776
[49] 北京市园林绿化局. 2019年北京市城市绿化资源情况[EB/OL]. [2020-4-23]. 北京市园林绿化局, Beijing Gardening and Greening Bureau. Urban greening resources in Beijing in 2019[EB]. [2020-4-23]. (in Chinese).