STUDIES ON REGENERATION, GROWTH AND SUSTAINABILITY OF HIMALAYAN CHIRPINE FORESTS (9/C1b)

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dc.contributor.advisorSHARMA, D.P
dc.contributor.authorMAHAJAN, ABHAY
dc.date.accessioned2016-07-21T11:07:55Z
dc.date.available2016-07-21T11:07:55Z
dc.date.issued2016
dc.description.abstractABSTRACT The investigation entitled “Studies on regeneration, growth and sustainability of Himalayan Chir pine forests (9/C1b)”was carried out in three periodic blocks (PB-I, PB-IN and PB-IV) replicated thrice at four elevations, i.e., 9001200 m (E1); 1200-1500 m (E2); 1500-1800 m (E3) and 1800-2100 m (E4), to investigate the status of phytosociology, regeneration, spatial and temporal growth pattern of the chir pine forests of the Solan Forest Division. Sample plots of 40x30 m for trees were laid randomly and within them quadrates of 5x5 m for shrubs and 2x2 m for herbs and grasses were measured for collecting necessary information. There was a total count of 29 herbaceous and grass species in the study area. Out of total number of 10 shrub species, Berberis lycium, Carissa carandus, Lantana camara, Myrsine africana and Rosa moschata were found common in all the elevations; Ziziphus nummularia in three (E1, E3 and E4) and Woodfordia fruticosa in only two elevations (E1 and E2). The overall diversity in all PBs under different elevations for herbs & grasses and shrubs was in the range of 1.44 to 1.93 and 1.54 to 2.35, respectively. Regeneration studies showed a declining trend from higher to lower elevations (E4>E3>E2>E1). PB-I recorded good amount of regeneration (39.02 per cent) as compared to regeneration in PB-IN (31.72 per cent ) and PB-IV (23.14 per cent). In all the elevation classes, more trees were of 50-60 and 60-70 cm diameter classes in PB-I and in PB-IN and PB-IV more trees were of 10-20 and 20-40 cm diameter classes of trees. There was higher volume, biomass and carbon in PB-I followed by PB-IN and PB-IV in all the elevation classes and it was more distributed in 50-70 cm, 20-30cm and 30-40 cm diameter classes of trees, respectively. PB-I had higher incremental growth (MAI) followed by PB-IN and PB-IV. In all the elevations, MAI was higher in 50-70 cm tree diameter class of PB-I followed by MAI in 30-40 cm tree diameter class of PB-IN and MAI in 20-30 cm tree diameter class of PB-IV. There was an increase in tree volume from the year 1984 to 2002 (18.47 per cent) and 2002 to 2011 (306.03 per cent). However, overall increase in volume of trees from 1984 to 2011 was 381.04 per cent. The maximum volume, biomass and carbon were distributed in diameter classes of 40-60 cm, 30-50 cm and 10-30 cm in PB-I, PB-IN and PB-IV during 1984, 2002 and 2011, respectively. Total biomass was 467.92, 115.25 and 97.27 tonnes/ha and total carbon was 233.96, 57.62 and 48.64 tonnes/ha during 2011, 2002 and 1984, respectively.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/69099
dc.language.isoenen_US
dc.subForestry
dc.subjectaloe, fruits, acidity, storage, fruit pulps, preservation, sugar, hides and skins, organic acids, inorganic acid saltsen_US
dc.subjectChir pine,Regeneration, Growth and Sustainabilityen_US
dc.these.typePh.D
dc.titleSTUDIES ON REGENERATION, GROWTH AND SUSTAINABILITY OF HIMALAYAN CHIRPINE FORESTS (9/C1b)en_US
dc.typeThesisen_US
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