THAKUR, VIDYAKUMARI, ANITA2018-08-242018-08-24200146021http://krishikosh.egranth.ac.in/handle/1/5810068416TREE IMPROVEMENT AND GENETIC RESOURCESENGLISHEFFECT OF FOREST FIRE ON SPECIES DIVERSITY OF CHIR PINE (PINUS ROXBURGHII SARGENT) FORESTS IN MID HILLS OF HIMACHAL PRADESHThesis