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Rawat, J. S.
- Trnaspiration, Stomatal, Behavioural and Growth of Eucalyptus Hybrid Seedlings under Different Soil
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Indian Forester, Vol 111, No 12 (1985), Pagination: 1095-1110Abstract
Experiments were designed to test the "Luxury consumption" of water by Eucalyptus Hybrid. The results show that under flooded condition as well as at near flood capacity. Eucalyptus hybrid transpires water contiously. Results also show that under condition of restricted soil moisture supply, controlled stomatal closure occurs leading to reduction in transpiration rate. It is concluded that groeing Eucaluptus hybrid around 15 per cent soil moisture level brings about optimal water undergo without serious reduction in dry metter production.Keywords
Eucalyptus Hybrid, Transpiration, Behavioural, Water Use Efficiency, Luxury Consumption- Transpiration as Affected by Soil Moisture in Eucalyptus tereticornis Seedlings
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Indian Forester, Vol 110, No 1 (1984), Pagination: 35-39Abstract
An experlmenl was designed to study the transpiration rale of Eucalyptus tereticornis maintained in different soil moisture levels. It was found that transpiration in this species is a function of atmospheric aridity under conlition of abundant soil moisture whereas under condition of restricted soil moisture water conserving mechanisms are in operation. Thus, the dry matter production is not seriously affetted even under conditions of low soil moisture levels.- Biomass Production and Energy Conversion Efficiency by Eucalyptus in Energy Planlnations
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Indian Forester, Vol 110, No 2 (1984), Pagination: 150-170Abstract
Studies on growth, assimilation rate, biomass production, solar energy conversion efficiency and seasonal energy conversion efficiency by Eucalypts under energy plantation practices (short spacing, 13m × 13m) have been carried out at six monthly intervals for a period of 36 months under semi-arid non-irrigated conditions in Gujarat. The results show that there exists considerable variation among the population of the trees which increase with increasing age. The total biomass ranged from 5 dt/ha at 12 months to 66 5 dt/ha at 36 months,the utilizable biomass (wood, bark, branch) ranging from 2.25 dt/ha to 43 5 dt/ha for the same periods. There existed a direct correlation between, the leaf biomass and total biomass by different categories of trees. The results on various growth parameters, viz,net assimilation rate, relative growth fate and crop growth fate is also presented. The relationship between D2H and total as well as utilizable dry malter production by trees has been worked out and presented. The solar energy conversion efficiency as found to be maximal at 36 months of the age being 126. The seasonal energy conversion efficiency showed two peaks, one 18-24 ond another 30-36 month., the values being 1.77 and 3.16 per cent of PAR coinciding with lhe period of moisture availability. The high biomass production by trees under energy plantation practices as related to the CO2 profile and energy conversion efficiency is briefly discussed.- Metamorphism and Development of Morphometric Parameters: An Illustration from Bino Basin-Almora Crystalline
Abstract Views :170 |
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Authors
S. C. Joshi
1,
J. S. Rawat
2
Affiliations
1 Department of Geography, D.S.B. Campus, Kumaun University, Naini Tal (U.P.), IN
2 Department of Geography, Almora Campus, Kumaun University, IN
1 Department of Geography, D.S.B. Campus, Kumaun University, Naini Tal (U.P.), IN
2 Department of Geography, Almora Campus, Kumaun University, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 24, No 5 (1983), Pagination: 248-253Abstract
Composition of drainage net in the Almora crystalline is considerably controlled by tectonics. The open synformal structure of Almora Nappe 1, composed of highly puckered granetiferous mica schist with stretched quartz lenses of High Grade Metamorphic rocks are demarcated by relatively higher values of drainage density (1.81 km/km2), stream frequency (6.22 channels/km2) and ruggedness number (1.26); and lower values of the length of first (2.05 krn), second (.85 km) and third (0.51 km) order streams, basin area (2.24 km), basin perimeter (6.68) and basin length (1.63 km) than that of the Low Grade Metamorphic rocks of the Almora Nappe II, composed of quartzite. phyllite, orthogneiss, granite, schist and amphibolite.- Morphology and Morphometry of the Naini Lake, Kumaun, Lesser Himalaya
Abstract Views :220 |
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Authors
Affiliations
1 Department of Geography, Kumaun University, Campus Almora 263601 (U.P.), IN
1 Department of Geography, Kumaun University, Campus Almora 263601 (U.P.), IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 30, No 6 (1987), Pagination: 493-498Abstract
The curvilinear lake (viz., Naini Tal) encompassing an area of 1,758 m2 exhibits such morphological features as transverse ridge dividing the lake into two parts: scarps, debris fans fringing the shores; lake plains and lake deep. The mean depth is 18.55 m, the maximum depth being 25.70 m. The maximum effective width and length are 466.6 m and 1466.6 m respectively. In 1895, the capacity of the lake was 31,699 m3. It bas become drastically reduced to 26,202 m3 by 1979, that is by 5,491 m3 in 84 years. This reduction in the capacity of the lake at the rate of 65.37m3/year is due to the increasing rate of siltation. On the basis of the rate deduced, it is inferred that the lake will be filled completely in about 380 years.- Pattern and Intensity of Erosion in the Environmentally Stressed Khulgad Watershed, Kumaun Himalaya
Abstract Views :205 |
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Authors
J. S. Rawat
1,
S. P. Rai
2
Affiliations
1 Department of Geography, Kumaun University, Almora - 263 601, IN
2 National Institute of Hydrology, Roorkee - 247 667, IN
1 Department of Geography, Kumaun University, Almora - 263 601, IN
2 National Institute of Hydrology, Roorkee - 247 667, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 50, No 3 (1997), Pagination: 331-338Abstract
In the Khulgad watershed in the Kosi Valley in the Kumaun Himalaya, the average rate of erosion is 0.07 mm/year or 186 t/km2/year. Tectonic and anthropogenic activities have together appreciably accelerated the rate of erosion. A study over the period of three years (1991-1993) demonstrated that the rate of erosion is 0.19 mm/year (500 tlkm2/year) in the tectonically disturbed land, 0.12 mm/year (315 t/km2/year) in the barren land, and 0.10 mm/year (278 t/km2/year) in the agricultural land, while in the forest lands it varies between 0.02 mm/year (41 t/km2/year) under an oak forest and 0.04 mm/year (100 t/km2/year) under a pine forest. Compared to the intensity of erosion in the least disturbed oak forest, the erosion rate is about 10 times higher in the tectonically disturbed land, and 5 to 8 times higher in the anthropogenically stressed agricultural and barren lands.Keywords
Environmental Geology, Erosion, Himalaya, Uttar Pradesh.- A Report on the Workshop on Climate Change
Abstract Views :199 |
PDF Views:120
Authors
Affiliations
1 Kumaun University, SSJ Campus, Almora - 263 601, IN
1 Kumaun University, SSJ Campus, Almora - 263 601, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 1 (2011), Pagination: 97-98Abstract
No Abstract.