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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(9): 3205-3220
DOI: https://doi.org/10.20546/ijcmas.2018.709.399


Effect of Management Regimes and Elevational Gradient on Soil Microbial Population of Quercus leucotrichophora A. Camus Forests in North-West Himalayas, India
Pradeepen Rai1*, Bhupender Gupta1, A.K. Gupta2, Pempa Lamu Bhutia1 and Lalrintluangi Fanai3
1Department of Silviculture and Agroforestry, Dr.Yashwant Singh Parmar University of Horticulture and Forestry, Nauni– 173230, India
2Department of Plant Pathology, Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Nauni– 173230, India
3Department of Forestry, School of Earth Sciences and Natural Resource Management, Mizoram University, Tanhril -796004, India
*Corresponding author
Abstract:

Forest ecosystems are among the most complex and heterogeneous terrestrial environments. Such heterogeneity is probably due to limited anthropogenic intervention and the perennial status of the primary producers especially forest trees. Soil microorganisms (e.g., bacteria, fungi and actinomycetes etc.) play a vital role in biogeochemical cycling in forest soils maintaining life on earth, fixing gases and breaking down of dead plant and animal matter into simpler substances that are used at the beginning of the food chain. Study on such organisms is crucial in understanding their roles and functions in forest ecosystem. Therefore, four differently managed Quercus leucotrichophora forests types viz. Reserved Forest (RF), Protected Forest (PF), Unclassified Forest (UF) and Musterqua Forest (MF)) at Rajgarh Forest Division in Sirmour district of Himachal Pradesh were investigated to explore the effect of management regimes and elevational gradient on soil microbial population. In each forest types along the elevation gradient, composite soil samples were collected from tree rhizosphere zone and also from between the tree spaces up to the depth of 0-30cm to study microbial population and physico-chemical properties. The present study results revealed that microbial population in differently managed Q. leucotrichophora forests decreased significantly in the order Reserved Forest > Protected Forest > Unclassified Forest > Musterqua Forest. Bacterial and actinomycetes population count showed positive increasing trend along the elevation gradient while fungi exhibited reverse trend. Furthermore, correlation study suggested that microbial population showed positive relationship with Electrical conductivity (EC) and Soil organic Carbon (SOC) while negative response with soil pH and Bulk Density (BD). Thus, these Quercus forests sheltered substantial soil microbes which varied significantly according to the management regimes and elevation gradient exhibiting great influence on its population.


Keywords: Quercus leucotrichophora, Reserved forest, Protected forest, Unclassified forest, Musterqua forest, Microbial count, Symbiotic
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How to cite this article:

Pradeepen Rai, Bhupender Gupta, A.K. Gupta, Pempa Lamu Bhutia and Lalrintluangi Fanai. 2018. Effect of Management Regimes and Elevational Gradient on Soil Microbial Population of Quercus leucotrichophora A. Camus Forests in North-West Himalayas, India.Int.J.Curr.Microbiol.App.Sci. 7(9): 3205-3220. doi: https://doi.org/10.20546/ijcmas.2018.709.399