Introduction
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Valmiki Tiger Reserve (VTR) is the only tiger reserve in the state of Bihar. It is contiguous with Chitwan National Park of Nepal and also connected with Suhagi Barwa Wildlife Sanctuary in Uttar Pradesh. The reserve is a vital area within the Terai Arc Landscape (TAL). Valmiki Tiger Reserve occupies 901.13 km2 of the northernmost part of West Champaran District in Bettiah Taluka. The area lies between latitudes 27° 10′ N and 27° 30′ N and between longitudes 83° 50′ E and 84° 10′ E. Administratively, this tiger reserve is divided into two forest divisions (Division-1 and Division-2) and managed under eight ranges, namely Manguraha, Gobardhana, Raghia, Chiutaha, Harnatand, Ganuali, Valmiki Nagar and Madanpur, which have 65 forest sub-beats, known as management units. According to Champion and Seth (1968), the vegetation of VTR has been classified into seven forest types. These vegetation types are (i) Bhabar Dun Sal Forest (3C/c2/b (i)), (ii) Dry Siwalik Sal Forest (5B/c1/a), (iii) West Gangetic Moist Mixed Deciduous Forest (3C/c3/a), (iv) Khair–Sissoo Forest (1S/2), (v) Cane Brakes (1b/e1), (vi) Eastern Wet Alluvial Grassland (4d/2s2) and (vii) Barringtonia Swamp Forest (4 d/ss2). VTR was notified (vide notification no. Vanyaprani 11/94-303-E/Va.Pa.Patna dated 11 March 1994) with an extent of 840.26 km2, and the core/critical and buffer zones were notified (vide resolution no.22/08-608(E) pa.va. dated 26 November 2013) under Section 38 V of the Wild Life Protection (Amendment) Act, 2006.
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