Agustin R,Adrian E.Small-scale spatial soil-plant relationship in semi-arid gypsum environments [J].Plant and Soil,2000,220:139-150.
[2]
Belsky A J.Population and community processes in a mosaic grassland in the serengeti,Tanzania [J].Journal of Ecology,1986,74:841-856.
[3]
Berendse F.Effects of dominant plant species on soil during succession in nutrient poor ecosystems [J].Biogeochemistry,1998,42:73-88.
[4]
David T.The resource-ratio hypothesis of plant succession [J].The American Naturalist,1985,6:827-852.
[5]
Finzi A C,breemen N,Canham C D.Canopy tree-soil interactions within temperate forests:Species effects on soil carbon and nitrogen[J].Ecological Applications,1998,8:440-446.
[6]
Hook P B,Burke I C,Lauenroth W K.Heterogeneity of soil and plant N and C associated with individual plants and openings in North American shortgrass steppe[J].Plant and Soil,1991,138:247-256.
James L C,Neil E W.Plant-induced soil chemical patterns in some shrub-dominated semi-desert ecosystems of Utah [J].Journal of Ecology,1975,6:945-962.
[9]
Janssens F,Peeters A,Bakker J P,et al.Relationship between soil chemical factors and grassland diversity[J].Plant and Soil,1998,202:69-78.
[10]
Jian C,John M S.Plant species effects and carbon and nitrogen cycling in a sagebrush-crested wheatgrass soil[J].Soil Biology & Biochemitry,2000,32:47-57.
[11]
Kelly R B,Burke I C.Heterogeneity of soil organic matterfollowing death of individual plants in shortgrass steppe [J].Ecology,1997,78(4):1256-1261.
[12]
Mary A V.Interactions between individual plants and soil nutrient status in shortgrass steppe [J].Ecology,1995,4:1116-1133.
[13]
Paul B H,Inrid C B,William K L.Heterogeneity of soil and plant N and C associated with individual plants and openings in North American shortgrass steppe [J].Plant and Soil,1991,138:247-256.
[14]
Rachhpal-Singh,Nye P H.A model of ammonia volatilization from applied urea.Ⅲ.Sentivity analysis,mechanisms and applications [J].Journal of Soil Science,1986b,37:31-40.
[15]
Van der Molen J,Bussink D W.Ammonia volatilization from arable and grassland soils.In:Hansen J A,Henriksen K.Nitrogen in Organic Wastes Applied to soils [M].London:Academic Press,1989.185-201.
[16]
Vinton M A,Burke I C.Interactions between individual plant species and soil nutrient status in shortgrass steppe [J].Ecology,1995,76:1116-1133.
[17]
Wedin D A,Tilman D.Species effects on nitrogen cycling:a test with perennial grasses [J].Oecologia,1990,84:433-441.
Carolyn H,Daniel U.Plant-soil relationships on bentonite mine spoils and sagebrush grassland in the Northern High Plains[J].Journal of Range Management,1983,38 (3):289-293.
[20]
Carroll J A,Caporn S J M,Johnson D,et al.The interactions between plant growth,vegetation structure and soil processes in semi-natural acidic and calcareous grasslands receiving long-term inputs of simulated pollutant nitrogen deposition [J].Environmental Pollution,2003,121:363-376.
[21]
Charley J L,West N E.Plant-induced soil chemical patterns in some shrub-dominated semidesert ecosystems of Utah [J].Journal of Ecology,1975,63:945-963.
[22]
Chen J,Stark J M.Plant species effects and carbon and nitrogen cycling in sagebrush crested wheatgrass soil[J].Soil Biology & Biochemistry,2000,32:47-57.
[23]
David T,David W.Plant traits and resource reduction for live grasses growth on a nitrogen gradient[J].Ecology,1991,2:685-700.
[24]
Garner W,Steinberger Y.A proposed mechanism for the formation of "Fertile Island" in the desert ecosystem [J].Journal of Arid Environments,1989,16:257-262.
Gross K L,Pregitzer K S,Burton A J.Spatial variation in nitrogen availability in three successional plant communities [J].Journal of Ecology,1995,83:357-367.
[27]
Hassink J,Neutel A M C.N mineralization in sandy and loamy grassland soils:the role of microbes and microfauna [J].Soil Biology and Biochemistry,1994,26:1565-1571.
[28]
Hobbie S E.Effects of plant species on nutrient cycling [J].Trends in Ecology and Evolution,1992,7:336-339.
[29]
Howard E E,Ingrid C B,Arvin R M.Plant effects on spatial and temporal patterns of nitrogen cycling in shortgrass steppe [J].Ecosystems,1998,1:373-385.
[30]
Imhoff S,Pires A,Tormena C A.Spatial heterogeneity of soil properties in areas under elephant-grass short-duration garzing system[J].Plant and Soil,2000,219:161-168.
[31]
Jackson R B,Caldwell M M.The scale of nutrient heterogeneity around individual plants and its quantification with geostatistics[J].Ecology,1993a,74:612-614.