First class | Second class (abbreviation) | Description (all calculated as %) |
---|---|---|
Water area | Open water area (OA) | Covered without macrophytes |
Macrophyte cover (MC) | Covered with the macrophytes, dominant by Eichhornia crassipes and Pistia stratiotes | |
Land area | Building area (BA) | Covered by obviously anthropogenic buildings, dams, roads, trails, etc. |
Small pond cover (SP) | Ponds located outside the bank, usually formed by the derelict fish-ponds, water depth>10Â cm | |
Mud flood area (MF) | Bare land in wet condition, water depth ≤ 10 cm, the largest one was occasionally formed by an restoration engineer for water purification with the mud relocating to bank side | |
Low grassland cover (LG) | Short grass species coverage such as Alternanthera philoxeroides, Phragmites australis, Acorus calamus and Zizania latifolia. Generrally, in wet condition and height < 2 m | |
High grassland cover (HG) | High grass species coverage such as Saccharum spontaneum and Pennisetum purpureum, in dry condition and height ≥ 2 m | |
Dry forest cover (DF) | Forest in dry condition, generally in the well-manage parks refer to the nursery gardens/orchards/forest remnants. | |
Wetland forest cover (WF) | Forest in wet condition, generally dominant by the introduced species Taxodium hybrid ‘zhongshanshan’ | |
Cultivated land cover (CL) | Active farmlands generally included rice paddies/vegetable lands/cornfields | |
Waste lands cover (WL) | Inactive farmlands, generally dry with much weed species coverage such as Artemisia argyi and Bidens pilosa | |
Shrub cover (SB) | Shrub coverage, dominant by Pyracantha crenatoserrata and Dichotomanthus tristaniaecarpa |