Ecology and community structure of ciliated protists in two alkaline–saline Rift Valley lakes in Kenya with special emphasis on Frontonia

GEOFFREY ODHIAMBO ONG’ONDO1,2*, ANDREW WAMALWAYASINDI1, STEVE OMONDI ODUOR1, STEFFEN JOST2, MICHAEL SCHAGERL3, BETTINA SONNTAG4 AND JENS BOENIGK2 1 EGERTON UNIVERSITY, PO BOX 536, 20115 EGERTON, KENYA, DEPARTMENT OF GENERAL BOTANY, UNIVERSITY DUISBURG ESSEN, UNIVERSITATSSTR. 5, D-45141 ESSEN, GERMANY, DEPARTMENT OF LIMNOLOGY, UNIVERSITY OF VIENNA, ALTHANSTRAsE 14, A-1090 VIENNA, AUSTRIA AND RESEARCH INSTITUTE FOR LIMNOLOGY, MONDSEE, MONDSEESTRASSE 9, A-5310 MONDSEE, AUSTRIA