| Pak. J. Bot., Special Issue (S.I. Ali Festschrift) 42: 319-340, 2010. | Back to Contents | ||||
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OCCURRENCE OF THE GENUS PADINA (DICTYOPHYCEAE, PHAEOPHYCOTA) IN THE COASTAL WATERS OF KARACHI
K. AISHA AND MUSTAFA SHAMEEL
Abstract: Six fan-shaped, striated species of Padina Adanson were collected from northernmost part of the Arabian Sea and taxonomically investigated. This the first detailed taxonomic study of the algal genus from the coast of Pakistan, based on a large survey (1989-1996) of different coastal areas of Karachi. This study revealed two new records from Pakistan et al,. P. fraseri (Greville) Greville and P. vickersiae Hoyt and two new species i.e. P. afaqhusainii Aisha et Shameel and P. nizamuddinii Aisha et Shameel. Padina pavonica (L.) Thivy and P. vickersiae were found to exhibit an unusual phenomenon, syntagmatic in situ germination, i.e. all the species dividing and merging into one
Department of Botany, University of Karachi, Karachi-75270, Pakistan |
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