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Effect of fire on population dynamics of mikania micrantha h.b.k. during early succession after slash and burn agriculture jhum in northeastern india






Weed Research 27(6): 397-404

Effect of fire on population dynamics of mikania micrantha h.b.k. during early succession after slash and burn agriculture jhum in northeastern india

The population size of Mikania micrantha H.B.K. is considerably enhanced by fire in 2-, 4-, and 8-year-old fallows developing after slash-and-burn agriculture (jhum) in northeastern India. The recruitment pattern in burnt and unburnt sites in each fallow differed. Seedling recruitment was restricted only to burnt sites in 2- and 4-year-old fallows, whereas it occurred in both burnt and unburnt sites in an 8-year-old fallow. Sexual reproductive potential of the species was affected by the age of the fallow and by fire in each fallow plot. These results are related to micro-environmental changes in the habitat as a consequence of fire in different fallow plots.

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Accession: 005239308



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