LIST OF FIGURES

- MAP OF KAINJI LAKE -

FIG. 1

FIG. 2

KAINJI LAKE RAINFALL PATTERN (mm)

FIG. 3

FIG. 4

- SUBMARINE PHOTOMETER - TRANSMISSION CURVES FOR FILTERS -

FIG. 5

HOURLY GROSS INCREASE IN OXYGEN

FIG. 6

DAILY PRODUCTION PER UNIT AREA , Σ P, AND CORRESPONDING SECCHI DISC TRANSPARENCY

DAILY PRODUCTION PER UNIT AREA , Σ P, AND CORRESPONDING SECCHI DISC TRANSPARENCY

FIG. 7

FIG. 8

RELATION BETWEEN SECCHI DISC TRANSPARENCY AND PHOTOSYNTHETIC PRODUCTION PER UNIT AREA

FIG. 9

FIG. 10

FIG. 11

FIG. 12

SEASONAL VARIATIONS OF THE MAXIMUM RATES , P MAX , OF PHOTOSYNTHESIS

SEASONAL VARIATIONS OF THE MAXIMUM RATES , P MAX , OF PHOTOSYNTHESIS

FIG. 13

FIG. 14

SEASONAL CHANGES IN DEPTH DISTRIBUTION OF PHOTOSYNTHETIC RATES

(g O₂ /m³/h )

FIG. 15

SEASONAL CHANGES IN DEPTH DISTRIBUTION OF PHOTOSYNTHETIC RATES

(g 0₂/m³/h )

FIG. 16

SOLAR RADIATION IN KAINJI, 1971–72

Nota : Values for 1971 computed from near values for Bida and Yelwa Data for March, April, October and November 1971 missing -

FIG. 17

SEASONAL CHANGES IN SPECTRAL COMPOSITION OF SUBSURFACE LIGHT

↑= Peak of transmission for filters used, i. e
B - Blue , G - Green , R - Red

FIG. 18

RELATION BETWEEN PRODUCTION PER UNIT AREA MEASURED IN SITU AND CALCULATED PRODUCTION

FIG. 19

RELATION BETWEEN SECCHI DISC TRANSPARENCY AND DEPTH OF THE 1% TRANSMISSION LEVEL OF THE MOST PENETRATING COMPONENT IN THE SPECTRUM

FIG. 20

VERTICAL DISTRIBUTION OF PHOTOSYNTHETICALLY ACTIVE PLANKTON DURING STRATIFlCATION

FIG. 21

RANGE OF PRIMARY PRODUCTION IN A TROPICAL LAKE

( g C/m²/d )

FIG. 22

RELATION BETWEEN PRIMARY PRODUCTION AND MEAN DEPTH

FIG. 23

RELATION BETWEEN MORPHO - EDAPHIC INDEX AND PRIMARY PRODUCTION