Research Article

Water Physicochemistry and Zooplankton Fauna of Aiba Reservoir Headwater Streams, Iwo, Nigeria

Table 5

Occurrence and abundance of zooplankton in Aiba Reservoir headwater streams (May 2013–March 2014).

TaxonAiba streamOnikan stream Total abundance (ind·m−3)
Upper reaches’ abundance (ind·m−3)Lower reaches’ abundance (ind·m−3)Upper reaches’ abundance (ind·m−3)Lower reaches’ abundance (ind·m−3)

Protozoa
Actinophrys sp.2222
Amoeba radiata 222244
Arcella sp.28622308
Centropyxis sp.2222
Loxodes magnus 8888
Rotifera
Anuraeopsis fissa 4444
Anuraeopsis racenensis 442266
Ascomorpha ovalis 2222
Asplanchna brightwelli 2222
Asplanchna priodonta 1982244264
Brachionus angularis 2222
Brachionus quadridentatus 222244
Euchlanis triquetra 2222
Keratella lenzi 2222
Lepadella patella biloba 2222
Lepadella patella similis 442266
Mytilina ventralis 4444
Testudinella patina 2222
Trichocerca sp.2222
Copepoda
Bryocamptus minutus 2222
Cleptocampus sp.6688154
Eucyclops macrurus 44506132682
Halicyclops korodiensis 8888
Halicyclops troglodytes 8888
Mesocyclops ogunnus 15424444528970
Microcyclops varicans 44528224401034
 Nauplius larva506721644431212078
Thermocyclops crassus 308176484
Thermocyclops neglectus 22396286704
Ostracoda
Chrissia humilis 6666
Hemicypris ovata 222244
Heterocypris makua 308110418
Stenocypris derupta 44110154
Insecta
Chaoborus sp.11044154
 Ceratopogonid larva2222
 Chironomid sp.22019844154616
Coenagrion pulchellum 2222

Number of species171962437
Total abundance (ind·m−3)140810606198677618988