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PLANT ASSEMBLAGES AND THEIR FUNCTIONAL ATTRIBUTES ALONG THE ALTITUDE ATTRIBUTES ALONG THE ALTITUDE ATTRIBUTES ALONG THE ALTITUDE ATTRIBUTES ALONG THE ALTITUDE IN SUB IN SUB IN SUB IN SUB HUMID SUB TEMPERATE HIMALAYA HUMID SUB TEMPERATE HIMALAYA HUMID SUB TEMPERATE HIMALAYA HUMID SUB TEMPERATE HIMALAYA

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Title PLANT ASSEMBLAGES AND THEIR FUNCTIONAL ATTRIBUTES ALONG THE ALTITUDE ATTRIBUTES ALONG THE ALTITUDE ATTRIBUTES ALONG THE ALTITUDE ATTRIBUTES ALONG THE ALTITUDE IN SUB IN SUB IN SUB IN SUB HUMID SUB TEMPERATE HIMALAYA HUMID SUB TEMPERATE HIMALAYA HUMID SUB TEMPERATE HIMALAYA HUMID SUB TEMPERATE HIMALAYA
 
Creator BHAT, AMIR FAROOQ
 
Contributor GUPTA, B.
 
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Plant assemblages, functional attributes
 
Description ABSTRACT
The present investigation entitled ?Plant assemblages and their functional attributes along the altitude in sub humid sub temperate Himalaya? was carried out in Sirmour district of Himachal Pradesh during the year 2011-12 with the aim to assess floristic composition, phytosociology, biomass and carbon stock of forests. Five different forests were selected along the altitude viz., Acacia and Chir pine (Sub tropical forests) and Mixed, Deodar and Fir-Spruce (Temperate forests). Structural and functional parameters of trees, shrubs and monthly herbaceous vegetation in each forest were studied by laying down five sample plot of 0.1 ha. These forests comprised of 122 plant species under 113 genera and 53 families. Vegetation indices of vegetation viz., Shannon Weiner, Simpson?s diversity and Species richness exhibited maximum values in Mixed forest, whereas, Species Evenness and Concentration of Dominance were highest in Fir-Spruce and Chir pine forests, respectively. Similarity index among the forests decreased with increase in altitude. Density, basal area and biomass of herbage vegetation in each forest increased till August and decreased thereafter. Shrub biomass was maximum in Deodar and minimum in Chir pine forest. Total biomass of trees in each forest showed the precedence: Mixed forest (348.61 t/ha) > Deodar forest (341.65 t/ha) > Fir-Spruce forest (334.70 t/ha) > Chir pine forest (150.66 t/ha) > Acacia forest (87.36 t/ha). Soil organic carbon (t/ha) was maximum in 0-15 cm and decreased in 15-30 cm depth. Soil organic carbon in 0-30 cm depth decreased in the order: Mixed forest (99.80 t/ha) > Deodar forest (92.67 t/ha) > Fir-Spruce forest (83.52 t/ha) > Chir pine forest (78.54 t/ha) > Acacia forest (72.89 t/ha). Carbon stock accumulation (herbs + shrubs + trees + soil) in different forests followed the precedence: Mixed forest (276.86 t/ha) > Deodar forest (266.70 t/ha) > Fir-Spruce forest (253.65 t/ha) > Chir pine forest (157.16 t/ha) > Acacia forest (122.79 t/ha).
 
Date 2016-11-29T12:16:27Z
2016-11-29T12:16:27Z
2013
 
Type Thesis
 
Identifier 48046
http://krishikosh.egranth.ac.in/handle/1/88094
 
Language en
 
Format application/pdf