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Ecological comparison of the pre- and post-impoundment macrophyte flora of the river Niger and Lake Kainji, Nigeria

✍ Scribed by Emmanuel A. Obot

Publisher: Springer Netherlands
Year: 1986
Tongue: English
Weight: 278 KB
Volume: 68
Category: Article
ISSN: 1385-0237
DOI: 10.1007/bf00045056

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✦ Synopsis

The floristic'composition of the macrophyte vegetation of Lake Kainji was investigated and compared with the vegetation of the river Niger before impoundment.

Of 18 hydatophytes, 40 tenagophytes and 57 trichophytes listed for the Niger, 18 tenagophytes, 12 trichophytes and 7 hydatophytes were found growing in the lake 17 years after impoundment. Fourteen new tenagophytes, 3 new hydatophytes and 1 new trichophyte were recorded. The hydatophytes which were expected to colonize the lake are limited in number and range.

The failure of the hydatophytes to colonize the lake, as predicted by Cook (1968), is discussed in relation to the inflow-to-volume ratio of the lake.

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