River Ecology and Restoration - River Dynamics and Integrated River Management - page 669

T able 10.1 Species of benthic macro-invertebrates at the sampling sites along the East River
Sampling site Species and the number of animals of each species per area (Figure within the parentheses is

the number of individual animals of each species per square meter)

Shang-Pingshui Baetidae (30); Melaniidae, S.libertine (23); Chironomidae (two species 16); Ceratopsyche

sp.(7); Aphropsyche sp. (5); Elmidae (3); Corydalidae ˈ Protohermes (3); Corbiculidae
C.nitens (2); Polycentropodidae ˈ Neureclipsis(2); Caenidae (1); Helobdella (1);

Fengshuba Dam Palaemonidae (9)

Yidu Leptophlebiidae ˈ Paraleptophlebia(42); Chironomidae (21); Gomphidae (5); Siphlonuridae

(4); Hydropsychidae (4); Leptophlebiidae, Leptophlebia (2); Decapoda (2); Hydrobiidae (2);
Semisulcospira (1); Tipulidae, Hexatoma (1); Naucoridae (1); Corydalidae (1); Caenidae(1)

Wuxing Natantia (44); Bellamya (10); Branchiura (3); Radix (2); Melanoides (2); Nepidae (1);

Limnodrilus (1); Coenagrionidae, Pseudagrion (1); Leptophlebiidae, Traverella (1);
Heptageniidae (1); Leptophlebiidae, Paraleptophlebia (1); Corbiculidae C.nitens (1);
Noteridae (1); Whitmania (1); Hirudinea Sp1.(1) ˗

Baipuhe Palaemonidae Sp1.(40); Palaemonidae, Palaemon modestus (12); Gomphidae (2);

Macromiidae (2); Semisulcospira (2); Branchiura (2)

Huizhou Chironomidae (3 species 11); Coenagrionidae (two species 6) ˗ Branchiura (4);

Paratelphusidae (1); Ilydrolus (1);Gomphidae (1); Platycnemididae (1); Ampullariidae (1)

Yuanzhou 0 (first sampling); Palaemonidae (9) (second sampling)

Dasheng 0 (first sampling); Palaemonidae (5) (second sampling)

Chironomidae(386); Simuliidae (18); Herpodellidae(4);Dytiscidae (3); Branchiura (3);
Lumbriculidae (1); Psychodidae (1); Corduliidae, Epitheca marginata (1); Baetidae (1)

Yequ Creek

Fig. 10.41 Species richness, S , number density of individual invertebrates per area, N, Shannon-weaver Index , H,
and the bio-community index, B, as functions of distance to the river mouth