氮沉降对森林土壤主要温室气体通量的影响

被引:43
作者
张炜
莫江明
方运霆
鲁显楷
王晖
机构
[1] 中国科学院华南植物园鼎湖山森林生态系统定位研究站
[2] 中国科学院华南植物园鼎湖山森林生态系统定位研究站 广东肇庆 中国科学院研究生院
[3] 北京
基金
广东省自然科学基金;
关键词
氮沉降; 森林土壤; 温室气体通量; 影响; 全球变化;
D O I
暂无
中图分类号
S714 [森林土壤学];
学科分类号
0903 ; 090301 ;
摘要
大气氮沉降已经并将继续对森林土壤主要温室气体(CO2、CH4和N2O)通量产生影响。综述了国内外氮沉降对森林土壤主要温室气体通量影响及其机理的研究现状。由于森林类型、土壤N状况、氮沉降量及沉降类型等不同,氮沉降对森林土壤主要温室气体通量的影响主要表现为抑制、促进和不显著3种效果。在N限制的森林中,氮沉降对土壤主要温室气体通量无显著影响,或促进土壤CO2排放;在"N饱和"的森林中,氮沉降可减少土壤CO2排放,抑制对大气CH4的吸收,增加N2O排放。分析了产生以上影响效果的作用机理,介绍了氮沉降对森林土壤主要温室气体通量影响的研究方法,探讨了该领域存在的问题及未来研究的方向。
引用
收藏
页码:2309 / 2319
页数:11
相关论文
共 43 条
[31]  
Introduction to the NITREX and EXMAN projects[J] . Richard F. Wright,Lennart Rasmussen.Forest Ecology and Management . 1998 (1)
[32]  
Evaluation of organic horizon C:N ratio as an indicator of nitrate leaching in conifer forests across Europe[J] . N.B. Dise,E. Matzner,M. Forsius.Environmental Pollution . 1998 (1)
[33]  
Denitrification and gaseous nitrogen losses from an acid spruce forest soil[J] . M. Henrich,K. Haselwandter.Soil Biology and Biochemistry . 1997 (9)
[34]  
Sources of nitrous oxide in soils[J] . John M. Bremner.Nutrient Cycling in Agroecosystems . 1997 (1)
[35]  
Fluxes of NO and N 2 O from temperate forest soils: impact of forest type, N deposition and of liming on the NO and N 2 O emissions[J] . K. Butterbach-Bahl,R. Gasche,L. Breuer,H. Papen.Nutrient Cycling in Agroecosystems . 1997 (1)
[36]   Biogeochemical response of forest ecosystems to simulated chronic nitrogen deposition [J].
Magill, AH ;
Aber, JD ;
Hendricks, JJ ;
Bowden, RD ;
Melillo, JM ;
Steudler, PA .
ECOLOGICAL APPLICATIONS, 1997, 7 (02) :402-415
[37]   Methane oxidation in soils of two long-term fertilization experiments in Germany [J].
Hutsch, BW .
SOIL BIOLOGY & BIOCHEMISTRY, 1996, 28 (06) :773-782
[38]  
CH 4 uptake by temperate forest soil: Effect of N input and soil acidification[J] . Bishal K. Sitaula,Lars R. Bakken,Gunnar Abrahamsen.Soil Biology and Biochemistry . 1995 (7)
[39]   Modelling ''clean rain'' treatments in acidified soils - EXMAN project results [J].
Walse, C ;
Beier, C ;
Warfvinge, P ;
Rasmussen, L .
WATER AIR AND SOIL POLLUTION, 1995, 85 (03) :1807-1812
[40]  
Soil nitrogen cycling and nitrous oxide flux in a Rocky Mountain Douglas-fir forest: effects of fertilization, irrigation and carbon addition[J] . Pamela A. Matson,Stith Thoma Gower,Carol Volkmann,Christine Billow,Charles C. Grier.Biogeochemistry . 1992 (2)