Species Composition And Shoot Biomass Production In Parthenium Dominated Abandoned Fallowland.
Journal Title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) - Year 2016, Vol 11, Issue 2
Abstract
The present study was conducted in J.P.University campus, Chapra, Bihar,India to record the species composition and production of shoot biomassofPartheniumhysterophorus L. invaded vegetation development in abandoned cropland. A total number of 13 herbaceous species were recorded. In addation to Parthenium other herbaceous plant species were Dicanthiumannulatum,Oxalis corniculata,Cynodondactylon,Dactyloeteniumaegyptium,Tridaxprocumbens,Cyperusrotandus,Digitariasetigera, Phyllanthusniruri,Eleusineindica,Evolvulusalsinoides,CrotonsparsiflorusandAlysicarpusmonolifer.Phytosociolo gicalcharacteristics such as– frequency,density, abundance, live shoot biomass, relative frequency, relative density and relative dominance were determined quantitatively and qualitatively. In this studyPartheniumwas the most dominant species having highest IVI values (106.29). The co-dominant species wasDicanthiumannulatum(IVI= 45.68). Species richness, equitability and diversity values are lower than the values reported for tropical grassland vegetation of India. Shoot- biomass values were higher than the Indian grasslands.Thus,Parthenium showed aggressiveness and dominance in the newly developed vegetation.Parthenium is affecting the normal process of succession on abandonedagricuitural landby decreasing the species richness and plant diversity. Thus eradication ofPartheniumis essential to accelerate the normal process of vegetation development and shoot biomas produced by Parthenium may be utilized in other beneficial purposes.
Authors and Affiliations
R. Shikha1, A . K . Jha2
Keywords
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