PJB-2008-236
OCCURRENCE OF THE FAMILIES NAVICULACEAE AND SURIRELLACEAE (BACILLARIOPHYTA) IN THE PUNJAB AND N. W. F. P., PAKISTAN
SYED TARIQ-ALI1, MASUD-UL-HASAN2 AND MUSTAFA SHAMEEL3
Abstract
Seven species of pennate diatoms belonging to 4 genera were collected from different freshwater habitats at Lahore and Sheikhupura districts (Punjab) and Sawat Valley (NWFP) of Pakistan during April and September 2004. They were identified and taxonomically described for the first time from their area of collection. They mainly occurred in spring, started diminishing in summer and autumn, and disappeared in winter. The genus Colletonema and its three species viz., C. eximium, C. neglectum and C. subcohaerens as well as Luticola mutica are being reported for the first time from Pakistan. Sexual reproduction was not observed in them.
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