Table 4 Composition of different land use types at different scales with R2 in bracket.

From: Multi-scale analysis of relationship between landscape pattern and urban river water quality in different seasons

Scale

CODMn

BOD

NH3-N

Petroleum

DTP

TN

100

%BU (0.047)

%BU (0.085)

%BU (0.120)

–

–

−%BU (0.381)

500

%BU (0.053)

%BU (0.183)

%BU (0.240)

–

−%OR (0.048)

%FA (0.255)

1000

%BU (0.055)

%BU (0.206)

%BU (0.266)

–

−%OR (0.087)

−%BU,−%WA (0.386)

2000

−%OR (0.069)

−%OR,%BU (0.235)

%BU (0.268)

–

−%OR,%WA (0.154)

−%BU,−%WA (0.351)

Administrative

−%OR,−%FO (0.112)

−%FO,%BU (0.236)

%BU (0.316)

–

−%FA,−%FO,%WA (0.175)

−%BU,−%WA (0.523)

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