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Journal of Biological Sciences

Year: 2001 | Volume: 1 | Issue: 8 | Page No.: 768-771
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Research Article

Phytogeographical Distribution of Vegetation in Desert Area of Islamia University, Bahawalpur

Imtiaz Ahmad, Mohammad Arshad and Hafza Bibi

ABSTRACT

To analyze the vegetation, phytogeographical study in desert area of Baghdad-ul-Jadeed Campus, Islamia University, Bahawalpur was conducted. Importance value index (IVI) pertaining to 19 plant species found in the study area. Lasiurus scindicus, Cenchrus ciliaris, Aristida adscensionis, Capparis decidua, Calligonum polygonoides, Aerva persica and Tribulus longepetalus were the commonest species in nearly highest values found in different quaderats of the desert followed by Cenchrus biflorus, Salsola baryosma and Cymbopogan jwarancusa. Rare and low IVI species were Haloxylon salicornicum, Suaeda fruticosa, Alhagai maurorum and Launea closely followed by Euphorbia prostrata and Sesuvium sesuvioides. Seasonal differences were significantly variable, the highest in February and October and the lowest in May, positively related with precipitation of the area. Ephemeral/annuals are the new comers in this study area being the rarest and the poorest for Importance Value Index (IVI) records.
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