REGENERATION STATUS AND SPECIES DIVERSITY OF SELECTED TREE SPECIES IN SHERGARH WILDLIFE SANCTUARY OF BARAN, RAJASTHAN, INDIA

The present research study was aimed to investigate to study the regeneration status of tree species and survival of naturally emerged seedlings in Shergarh wildlife sanctuary of Rajasthan, India. A total of 22 tree species were recorded from the study area. Regeneration status of seedlings were studied by transect method in all the studied blocks. Seedling Shannon-Weiner diversity index (H’) ranged from 1.51 to 1.91 ind per hec. Seedlings Simpson concentration of dominance (Cd) was ranged between 0.157 to 0.281 and Sampling’s Cd was 0.186 to 0.380. Species Richness (SR) of seedling ranged between 8 (Tikli) ti 15 (Amlawda) whereas SR of sapling was 8 (Chhota Dungar) to 17 (Amlawda). Menheink Index of Species richness of seedlings was ranged between 1.08 (Chhota Dungar) to 2.01 (Amlawda) wheras it was 0.42 (Chhota dungar) to 0.82 in Tikli for saplings. Climatic changes and anthropogenic disturbances are responsible for the high mortality of some tree species.

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