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Sheikh, Mehraj A.
- Soil Characteristics of Quercus leucotrichophora and Pinus roxburghii Forests in Garhwal Himalaya
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Indian Forester, Vol 135, No 12 (2009), Pagination: 1746-1749Abstract
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- Community Structure, Species Niche Width and Soil Characteristics in a Transitional Zone of Sub-tropical Forest
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Indian Forester, Vol 138, No 2 (2012), Pagination: 154-158Abstract
The study was carried out in the transitional zone of Anogeissus latifolia and Pinus roxburghii forests to understand the forest community structure, species niche width and soil characteristics. Three different forest types i.e., Pure Anogeissus latifolia (PAL) and Pure Pinus roxburghii (PPR) and mixed forest of Anogeissus latifolia and Pinus roxburghii (M.AL&PR) were reported in the study area. The soil pH was alkaline (7.26) in PPR forest followed by neutral (7.0) in M.AL&PR forest and acidic (6.76) in PAL forest. Soil organic carbon was 0.52±0.05 % highest in PAL forest followed by M.AL&PR forest (0.50±0.17%) and lowest in PPR (0.41±0.02%) forest. The phosphorus (31.68 kg/ha) and potassium (196 kg/ha) were the highest in M.AL&PR forest followed by PAL (31.58 kg/ha for phosphorus and 167.63 kg/ha for potassium) and PPR (23.09 kg/ha for phosphorus and 153.07 kg/ha for potassium) forests. Among the trees, the highest niche width was reported for Anogeissus latifolia (1.98) followed by Pinus roxburghii (1.96) and in shrub layer the niche width of Carissa opaca (2.45) was quite high compared to other shrubs species. The soil conditions in transition zone favoured the growth of diverse species composition.Keywords
Species Niche Width, Transitional Zone, Sub-tropical Forest, Anogeissus latifolia, Pinus roxburghii- Changes in Carbon Stocks in Indian Forests : a Historical overview
Abstract Views :369 |
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Authors
Mehraj A. Sheikh
,
Munesh Kumar
,
Jahangeer A. Bhat
,
Nazir A. Pala
,
V. R. S. Rawat
,
N. P. Todaria
Source
Indian Forester, Vol 138, No 8 (2012), Pagination: 682-688Abstract
Reducing emissions from deforestation and degradation (REDD+) in Non-Annex-I countries is of central importance in efforts to combat climate change, because carbon management in forests will probably be the single most important st agenda of the first half of the 21st century in the context of the greenhouse effect and mitigation of global climatic changes. In this context we tried to know the position of Carbon stock in India from 1880 onwards by compiling the published literature, besides that the C stocks for the year 2003, 2005 and 2007 were also estimated on the basis of GS data published by Forest Survey of India. Carbon stocks in Indian forests from 1880 showed a marked decrease from 7940 Mt in 1880 to 3426 Mt in 1980 which have reduced to 3325.30 in 2003 to 3161.71 Mt in 2007. The carbon stock in India's forest biomass decreases continuously despite slight increase in forest cover of the country.Keywords
Carbon Stock, Biomass, Forest Cover, Flux, Carbon Sequestration- Above-And Below-Ground Biomass Production in Pinus roxburghii Forests along Altitudes in Garhwal Himalaya, India
Abstract Views :261 |
PDF Views:74
Authors
Affiliations
1 Department of Forestry, HNB Garhwal University, Srinagar-Garhwal 249 161, IN
2 Department of Informatics, Forest Research Institute, Dehradun 248 003, IN
1 Department of Forestry, HNB Garhwal University, Srinagar-Garhwal 249 161, IN
2 Department of Informatics, Forest Research Institute, Dehradun 248 003, IN
Source
Current Science, Vol 116, No 9 (2019), Pagination: 1506-1514Abstract
Chir pine (Pinus roxburghii Sargent) stands were selected across their distributional range from Himalaya, i.e. from lower altitude to upper altitude to understand distribution of chir tree density, basal cover and biomass with altitudes. Tree density was highest >1800 m (405 ind ha–1) and lowest (171.67 ind ha–1) between 1401 and 1800 m. Tree height was highest (23.69 m) between 1001 and 1400 m and lowest (17.71 m) >1800 m. Basal area was highest (30.51 m2 ha–1) between 1001 and 1400 m and lowest (17.16 m2 ha–1) between 1401 and 1800 m. The highest volume was observed between 1001 and 1400 m altitude and lowest between 1401 and 1800 m. Bole biomass was highest (145.51 t ha–1) between 1001 and 1400 m and lowest (80.78 t ha–1) between 1401 and 1800 m. The mean leaf litter biomass production was highest in summer and showed decreasing trend in winter to rainy seasons, except in Rudraprayag where the highest biomass was observed in summer and regressed from rainy to winter seasons. The study concluded that, the density, height, basal area and volume of Pinus roxburgii trees varied with altitude in the Himalaya, but it is not directional. Density of trees plays an important role which changes biomass accordingly. Litter production had inverse relation with altitude, however increase in biomass of litter at >1801 m was observed due to new plantations.Keywords
Carbon, Conifers, Greenhouse Gas, Pure Forest, REDD+.Full Text
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