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- W2378060865 abstract "The objective of this research is to present an ecoregional model based on principle components analysis(PCA),cluster analysis(CA),discriminant analysis(DA) and spatial autocorrelation analysis(SAA).The model was applied to establish the ecoregions of lake nutrients in Hubei Province.First,principle components analysis was applied to reduce the feature space dimensionality of the indices,and to build new complementary indices which could synthetically reflect the conditions of lakes and build an index system of ecoregions of lake nutrients in Hubei province.Then,initial classification of lake drainage area was carried out by cluster analysis.The categories of non-lake drainage areas could be identified by discriminant analysis.Spatial distributing pattern of principal components in the region were analyzed quantitatively by spatial autocorrelation method.The association and difference of spatial characters between classification districts and the scattered regions were achieved.Therefore,the divisional boundary was established,and the ecoregion of lake nutrients was accomplished.These results indicated that the ecoregion model was appropriate and feasible to achieve the objective results of ecoregion,and could avoid human interference." @default.
- W2378060865 created "2016-06-24" @default.
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- W2378060865 date "2011-01-01" @default.
- W2378060865 modified "2023-09-24" @default.
- W2378060865 title "Study on Ecoregion Techniques of Lake Nutrients in Hubei District" @default.
- W2378060865 hasPublicationYear "2011" @default.
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