ISSN:
1573-5117
Keywords:
Nutrients
;
phosphorus
;
nitrogen
;
phytoplankton
;
Lake Sonachi
;
Kenya
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Seasonal variation through one year in total nitrogen (TN), total phosphorus (TP), phytoplankton biomass, phytoplankton species composition and other environmental factors were examined in Lake Sonachi, a tropical meromictic soda lake. Mean concentrations of TN and TP were 11 000 µg N l-1 and 100 µg P l-1, respectively. Maximum concentrations of TN and TP occurred in the monimolimnion. Phytoplankton biomass ranged from 350 to 1260 mg m-3. Synechococcus bacillaris, a small coccoid cyanophyte, dominated the phytoplankton. The mean chlorophyll a concentration of 37 mg · m-3 was a modest value when compared with those of other tropical soda lakes. High TN:TP ratios indicated phosphorus limitation in the lake.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00026265
