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PLANT DISTRIBUTION
IN RELATION TO SOIL CONDITIONS IN HANGZHOU BAY COASTAL
WETLANDS, CHINA
TONGGUI WU, MING WU,
MUKUI YU*, AND JIANGHUA XIAO
Abstract:
Plant group
classification relation to soil environmental characteristics was
monitored in Hangzhou Bay coastal wetland, China. 18 taxa, belonging to
17 genus and 7 family were recorded, and classified into five groups by
TWINSPAN viz A, Scirpus mariqueter group, B,
Spartina alterniflora group, C, Phragmites communis group,
D, Tamarix chinensis - P. communis group, and E,
Salix matsudana - Imperata cylindrica group, respectively.
Soil salinity and moisture in group A, B and C were significantly higher
than group D, E, while higher pH values was found in group E, A and B.
From the intra-set correlations of the soil factors with the first 2
axes of DCCA, it can be noted that DCCA axis 1, was positively
correlated with altitude and negatively with soil salinity and moisture,
represented soil salinity and moisture gradient. Axis 2 of the DCCA was
clearly negatively correlated to soil pH, and called as soil pH
gradient.
Research Institute
of Sub-tropical Forestry, Chinese Academy of
Forestry, Fuyang, Zhejiang, 311400. P.R.China
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