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September 20, 2021
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November 17, 2021
Published
December 19, 2021
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Abstract

The present study was conducted in Kalidhar forest of western Shiwaliks, Jammu, JK (UT), to assess the tree diversity and undertake phytosociological analysis in three major land use (LU) classes i.e. Forest, Agriculture and Scrub area.  A total of 70, 50 and 50 sample plots of 0.1 ha were laid respectively in forests, scrub and agriculture LU classes. The study revealed that in forests possess a total 39 tree species belonging to 19 families and 31 genera, whereas, in scrub and agriculture lands a total of 9 tree species (8 families and 9 genera) and 60 tree species (26 families and 46 genera) were recorded respectively. Mallotus philippensis was the most dense tree species with 2.85 individuals per ha in forests followed by Pinus roxburghii 2.06 per hectare.  In scrub and agriculture land Acacia modesta and Grewia optiva were found the densest species respectively. The value of Importance value index (IVI) was found highest for Pinus roxburhii (44.63) in forests, whereas, respective values were recorded highest for Syzygium cumini (82.64) and Grewia optiva (29.0) in scrub and agriculture lands. Flacourtia indica and Pinus roxburghii showed random distribution in forest and Syzygium cumini was also found to have random distribution in the scrub lands. Contiguous distribution was found for all tree species encountered in agriculture (LU) class. The diversity values of Shannon Wiener and Simpson indices showed highest tree diversity in agriculture lands with the values of 3.19 and 0.07 respectively followed by that in forests (2.47 and 0.14). Tree species richness was found high in agriculture area with Margalef’s (59.86) and Menhinick’s (1.80).

Keywords

Distribution Dominance Phytodiversity Phytosociology Species richness

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Sharma , S. ., & Kumar, D. (2021). Tree species diversity in Kalidhar forest of western Shiwaliks, Jammu, JK (UT). Environment Conservation Journal, 22(3), 423–431. https://doi.org/10.36953/ECJ.2021.22349
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