The longitudinal distribution of macroinvertebrates and fish in a lower Niger delta river (River Sombreiro) in Nigeria
โ Scribed by Nwadiaro, C. S.
- Publisher
- Springer-Verlag
- Year
- 1984
- Weight
- 470 KB
- Volume
- 18
- Category
- Article
- ISSN
- 1573-5125
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Macroinvertebrate fauna were collected from 15 reaches along the length of the River Frome, a lowland groundwater-dominated river in Dorset, southern England. The Frome arises in Upper Greensand and Gault Clay before ยฏowing through Chalk and ยฎnally Tertiary deposits of gravel and sand. Sampling took
## Abstract The inner delta of the River Niger receives runoff from both the River Niger and the River Bani (249 000 km^2^) and is divided into a northern part (15 000 km^2^) and a southern part (58 000 km^2^). The average input and output discharges are approximately 1490 and 900 m^3^ s^โ1^ (1955/