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Table 1

REH assessment indicator system

ItemsIndicator layer
Morphological form (B1) Lateral stability index (C1) 
Density of river-crossing structures (C2) 
Achievement rate of bank-protection works (C3) 
Rate of sediment transport changes (C4) 
Hydrology features (B2) Rate of monthly water condition changes (C5) 
Rate of magnitude and duration of annual extreme water condition changes (C6) 
Rate of timing of annual extreme water condition changes (C7) 
Rate of frequency and duration of high and low pulses changes (C8) 
Rate and frequency of water condition changes (C9) 
Rate of estuary runoff changes (C10) 
Wetland preservation rate (C11) 
Aquatic life (B3) Phytoplankton Shannon index (C12) 
Zooplankton Shannon index (C13) 
Fish species integrity index (C14) 
Benthic fauna integrity index (C15) 
Macrophytes integrity index (C16) 
Habitat provision (B4) Water quality compliance index (C17) 
Rate of water loss and soil erosion (C18) 
Vegetation index (C19) 
ItemsIndicator layer
Morphological form (B1) Lateral stability index (C1) 
Density of river-crossing structures (C2) 
Achievement rate of bank-protection works (C3) 
Rate of sediment transport changes (C4) 
Hydrology features (B2) Rate of monthly water condition changes (C5) 
Rate of magnitude and duration of annual extreme water condition changes (C6) 
Rate of timing of annual extreme water condition changes (C7) 
Rate of frequency and duration of high and low pulses changes (C8) 
Rate and frequency of water condition changes (C9) 
Rate of estuary runoff changes (C10) 
Wetland preservation rate (C11) 
Aquatic life (B3) Phytoplankton Shannon index (C12) 
Zooplankton Shannon index (C13) 
Fish species integrity index (C14) 
Benthic fauna integrity index (C15) 
Macrophytes integrity index (C16) 
Habitat provision (B4) Water quality compliance index (C17) 
Rate of water loss and soil erosion (C18) 
Vegetation index (C19) 
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