sanctuary sanctuary known wildlife sanctuary isolated protected area forest located india sanctuary officially constituted renamed set aside initially forests extend foothills mountain range forest fragmented surrounded tea gardens small villages early 1900s artificial regeneration develop stocked forest resulting site rich biodiversity sanctuary contains india nocturnal slow upper canopy forest dominated tree dominates middle canopy lower canopy consists shrubs herbs habitat threatened illegal logging human settlements habitat history sanctuary derives patch forest civil district india set aside reserve forest august named dominant tree species time considered integral forests mountain range sanctuary currently completely surrounded tea gardens small villages connect large forest tract ran state protected area started sections reserved tea gardens began emerge villages established 1960s people adjoining areas lost lands floods forest fragmented reserve isolated foothills historically sporadic trees covered area artificial regeneration introduced attempt develop stocked aged forest plantations natural vegetation subsequently created forest stocked rich variety flora fauna biodiversity 1900s forest areas added reserve eventually totaling sanctuary remains fragmented distinct segments july sanctuary constituted civil district named wildlife sanctuary found india genus sanctuary india named distinction containing populations government renamed sanctuary surrounding region sanctuary officially extends dispersal areas indian elephants animals extensive tea gardens belong estates span distance sanctuary nearest forests tea gardens include neighboring villages include western eastern habitat sanctuary classified plains semi forests wet forest patches receives rainfall average year situated altitude topography gently slopes downward southeast northwest creates region dominated semi plants border sanctuary helping create distinct habitat zones micro ecosystems park slope zone slope zone flood prone zone fauna sanctuary rich biodiversity home india western nocturnal found northeast indian states slow include tailed northern pig tailed eastern capped found sanctuary indian elephants tigers jungle cats wild types types types species bird types snake known live park flora vegetation sanctuary character composed canopy layers upper canopy consists rising having straight species found canopy include sam dominates middle canopy spreading crown casting fairly heavy shade wide area species middle canopy include variety shrubs herbs lower canopy ground layers common bamboo bamboo bet bet conservation isolation park numerous tea gardens creates geographic barrier migrating animals growing populations tea garden workers threatens habitat people rely forest traditional medicine food large quantities leaves grass collected forests feed cattle rainy season tea gardens wash sanctuary tea gardens elephants migration route making vulnerable frequent railway lines divide park single group smaller fragment illegal logging local people employed tea gardens degraded habitat quality
Hoollongapar Gibbon Sanctuary