Collins S L.Habitat relationships and survivorship of tree seedlings in hemlockhardwood forest.Canadian Journal of Botany,1990,68:790-797.
[2]
Valkonen S,Maguire D A.Relationship between seedbed properties and the emergence of spruce germinants in recently cut Norway spruce selection stands in Southern Finland.Forest Ecology and Management,2005,210:255-266.
[3]
Uniyal R C,Nautiyal A R.Seed germination and seedling extension growth in Ougeinia dalbergioides Benth.under water and salinity stress.New Forests,1998,16:265-272.
Wiens J A.Population resposes to patchy enviroments.Annual Review of Ecology and Systematics,1976,7:81-120.
[6]
Grubb P J.The maintenance of species richness in plant communities:the importance of the regeneration niche.Biological Review,1977,52:107-145.
[7]
Jefferies R L,Willis A J.Studies on the calciolecalcifuge habitⅡ.The influence of calcium on the growth and establishment of four species in soil and sand cultyres.Journal of Ecology,1964,52:691-707.
[8]
Rorison I H.A seedling bioassay on some soils in the sheffield area.Journal of Ecology, 1967,55:725-740.
[9]
Russell S K,Schupp E W.Effects of microhabitats on patterns of seed dispersal and seed predation of Cercocarpus ledifolius (Rosaceae).Oikos,1998,8:434-443.
[10]
Fow ler N L.What is a safe site? neighbor,litter,germination date and patch effects.Ecology,1988,69:947-961.
[11]
Schupp E W, Fuentes M.Spatial patterns of seed dispersal and the unification of plant population ecology.Ecoscience,1995,2:267-275.
[12]
Schupp E W.Seedseedling conflict,habitats choice and patterns of plant recruitment.American Journal of Botany,1995,82:399-409.
[13]
Peter Alpert,Mooney H A.Resource heterogeneity generated by shrubs and topography on coastal sand dunes.Plant Ecology,1996,122:83-93.
Ranwell D.Movement of vegetated sand dunes at Newborough Warren,Anglesey.Journal of Ecology,1958,46:83-100.
[17]
A.G.van der Valk.Environmental factors controlling the distribution of forbs on coastal foredunes in cape hatteras national seashore.Canadian Journal of Botany,1974,52:1 057-1 073.
[18]
Mann M A,Lapierre J.Effects of burial by sand on seed germination and seedling emergence of four dune species.American Joumal of Botany,1986,73:450-455.
[19]
Harper J L,Benton R A.The behaviour of seeds in soil:The germination of seeds on the surface of a water suppling substrate.Journal of Ecology,1966,54:151-156.
[20]
Van Assche J A,Vanlerberghe V A.The role of temperature on dormancy cycle of seeds of Rumex obtusifolia L..Functional Ecology,1989,3:107-115.
[21]
Vlesshouwers L M.Modeling the effect of temperature,soil penetration resistance,burial depth and seed weight on preemergence growth of weeds.Annals of Botany,1997,79:553-563.
[22]
Watkinson A R.The demography of a sand dune annual:Vulpia fasciculata II.The dynamics of seed populations.Journal of Ecology,1978,66:35-44.
[23]
Maun M A,Riach S.Morphology of caryopses,seedlings and seedling emergence of the grass Calamovilfa longifolia from various depths in sand.Oecologia,198l,49:137-142.
[24]
Pemadasa M A,Lovell P H.Factors controlling germination of some dune annuals.Journal of Ecology,1975,63:41-59.
[25]
Wang Z L,Wang G,Liu X M.Germination strategy of the temperate sandy desert annual chenopod Agriophyllum squarrosum.Journal of Arid Environments,1998,40:69-76.
[26]
Zhang J,Maun M A.Effects of sand burial on seed germination,seedling emergence,survival,and growth of Agropyron psammophilum.Canadian Journal of Botany,1990,68:304-310.
[27]
Huang Z,Zhang X,Zheng G.Influence of light,temperature,salinity and storage on seed germination of [WTBX]Haloxylon ammodendron[WTBZ]〔J〕.Journal of Arid Environments,2003,55:453-464.
Tobe K,Zhang I P,Omasa K.Seed germination and seedling emergence of three annuals growing on desert sand dunes in China.Annals of Botany,2005,95(4):649-659.
[35]
Bolling J D,Waller L R.Plant and soil recovery along a series of abandoned desert roads.Journal of Arid Environments,2000,46(1):1-24.
[36]
Li Xinrong.Study on shrub community diversity of Ordos Plateau,Inner Mongolia,northern China.Journal of Arid Environments,2001,47(2):271-279.
Thomas Philippi.Bethedging germination of desert annuals:Variation among populations and maternal effects in Lepidium Lasiocarpum.The American Naturalist,1993,142(3):488-507.
Vogts M.South Afric[JP8]a’[JP]s Proteaceae:Know Them and Grow Them〔M〕.Victoria:Proteaflora Enterprises Pty Ltd,1982:240.
[44]
Goldberg D E.Effects of soil pH,competition,and seed predation on the distribution of two tree species.Ecology,1985,66:503-511.
[45]
De Jong Tom J,Klinkhamer Peter G L.Seedling establishment of the biennials Cirsium vulgare and Cynoglossum officinale in a sanddune area:The importance of water for differential survival and growth.Journal of Ecology,1988,76:393-402.
[46]
Tobe K,Li X M,Omasa K.Effects of sodium chloride on seed germination and growth of two Chinese desert shrubs,Haloxylon ammodendron and H.persicum(Chenopodiaceae).Australian Journal of Botany,2000,48:455-460.
Song Jie,Feng Gu,Tian Changyan,et al.Strategies for adaption of Suaeda physophora,Haloxylon ammodendron and Haloxylon persicum to a saline environment during seedgermination stage.Annals of Botany,2005,96:399-405.
