PJB-2014-15
STRUCTURE, COMPOSITION AND DIVERSITY OF THE VEGETATION OF HUB DAM CATCHMENT AREA, PAKISTAN
SYED SHAHID SHAUKAT1, MOAZZAM ALI KHAN1, MICHAEL METT2 AND MUHAMMAD FAHEEM SIDDIQUI 3
Abstract
A study of vegetation structure, composition and diversity of Hub-dam catchment area was conducted. A total of 106 species were recorded of which 57 were annuals while 49 were perennials. The vegetation was dominated by small trees and shrubs. Spatial patterns within-community of plant populations using variance/mean ratio and Morisita’s index was also investigated. Of the 14 perennial species investigated seven (Barleria acanthoides, Grewia tenax, Indigofera oblongifolia, Aerva persica, Rhazya stricta, Iphiona grantioides and Cymbopogon jwarancusa) predominately exhibited aggregated pattern. Four species (Acacia senegal, Prosopis juliflora, Salvadora oleoides and Calotropis procera) usually exhibited random distribution but infrequently aggregated pattern. Three species (Senna holosericea, Zizyphus nummularia and Vernonia cinerescens) showed aggregated pattern or random distribution more or less equally often.
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