Impact of urbanization in rural areas on plant diversity: a case study in Zunhua City

Abstract

Abstract: Species diversities of urban,suburb and rural areas,as well as north,east,south and west were separately investigated in Zunhua City (39°55'～40°22'N,117°34'～118°14'E),Hebei Province,China.Soil samples were collected to show the difference of soil nutrients among those sites.The results showed that the soil nutrients of south and east were special,and those of west and north were similar.It was very different between suburb and rural.The plant diversity of west was lower than all the other directions,whereas south had the highest one.Herb was the reason of the difference.The urban area was very different in biodiversity compared with north,east,south and west.The plant diversities of urban,suburb and rural areas were of gradient and in accordant with the intensity gradient of land use.The total species in this area was 129,whereas the total species in Donglingshan,which is at the same latitude,was 997.The impact of urbanization was the introduction of some horticultural species,and the influence of topography and soil nutrient was very weak under this circumstance.

Key words: Land use, Urbanization, Biodiversity, natural spruce-fir forest, dominant tree species, competition

CLC Number:

S759.2

MA Keming, FU Bojie, GUO Xudong . Impact of urbanization in rural areas on plant diversity: a case study in Zunhua City[J]. Chinese Journal of Applied Ecology, 2001, 12(6): 837-840.

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