IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2018  > Vol15 No.2
Ecological variables influencing the diversity and distribution of macrolichens colonizing Quercus leucotrichophora in Uttarakhand forest
Shashi UPADHYAY; Arun K. JUGRAN; Yogesh JOSHI; Renu SUYAL; Ranbeer S. RAWAL
Corresponding AuthorYogesh JOSHI
2018-02
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume15Issue:2Pages:307-318
Subtype期刊论文
AbstractEcological variables play a significant role in determining the diversity and distribution of any living organism on earth. Lichens are not exceptional and are quite sensitive in comparison to other organisms; hence the present study focuses on the impact of ecological variables on the diversity and distribution of epiphytic macrolichens colonizing Quercus leucotrichophora across eight different sites (50 m × 50 m) in Thal Ke Dhar forest, Kumaun Himalaya, Uttarakhand, India. For sampling of macrolichens, 200 trees (25 trees from each site) of Q. leucotrichophora were selected from each site and five quadrats of 5 cm × 10 cm (1000 quadrats in totality) were drawn at the tree trunk. From all the sampled trees, a total of 54 species of epiphytic macrolichens belonging to 18 genera and five families were recorded. Various ecological variables, namely altitude, aspect, slope, diameter at breast height (DBH), and lopping percent (partial cutting of the twigs as disturbance), were also analyzed to investigate their influence on macrolichen species composition and distribution pattern in the study area. For the determination of relationships between these variables, statistical analysis, namely Pearson's Correlation Coefficient, Polynomial regression analysis and Principal Component Analysis (PCA) were performed. Out of all variables, lopping was significantly correlated to species richness of epiphytic macrolichens (0.712*, p<0.05) and it was confirmed by Pearson's Correlation Coefficient. Despite of having high anthropogenic pressure or impact through lopping, the maximum number of macrolichen species was recorded at elevation 2267 meter above sea level (m asl). The present study revealed that besides other ecological variables, lopping practices can act as a key parameter in controlling the diversity and distribution not only of epiphytic macrolichens but also of other life forms such as bryophytes, pteridophytes, insects, birds etc. and can be either negatively or positively correlated.
KeywordConservation Epiphytic Macrolichens Kumaun Himalaya Lopping Quercus Banj Oak
DOI10.1007/s11629-017-4397-9
Indexed BySCI
Language英语
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/20847
CollectionJournal of Mountain Science_Journal of Mountain Science-2018_Vol15 No.2
Recommended Citation
GB/T 7714
Shashi UPADHYAY,Arun K. JUGRAN,Yogesh JOSHI,et al. Ecological variables influencing the diversity and distribution of macrolichens colonizing Quercus leucotrichophora in Uttarakhand forest[J]. Journal of Mountain Science,2018,15(2):307-318.
APA Shashi UPADHYAY,Arun K. JUGRAN,Yogesh JOSHI,Renu SUYAL,&Ranbeer S. RAWAL.(2018).Ecological variables influencing the diversity and distribution of macrolichens colonizing Quercus leucotrichophora in Uttarakhand forest.Journal of Mountain Science,15(2),307-318.
MLA Shashi UPADHYAY,et al."Ecological variables influencing the diversity and distribution of macrolichens colonizing Quercus leucotrichophora in Uttarakhand forest".Journal of Mountain Science 15.2(2018):307-318.
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