Study area

Sampling, identification and FFG classification

Physicochemical and hydromorphological parameters

Functional composition of aquatic insects

Functional feeding group ratios used as indicators of stream ecosystem attributes

Data Analyses

Physicochemical and hydromorphological parameters

Proportion and distribution of functional feeding groups

Interaction between functional structure of aquatic insects and environmental factors

Attributes of aquatic ecosystem

Relationship between the functional structure of aquatic community and environmental factors

Physicochemical and hydromorphological parameters 

Functional structure of the aquatic community

Ecosystem attributes

Relationship between the functional structure of aquatic insects and environmental factors