NUMERICAL CLASSIFICATION AND SPECIES DIVERSITY OF CORTICOLOUS LICHEN COMMUNITIES IN FOREST ECOSYSTEMS OF THE TIANSHAN MOUNTAINS

doi:10.17521/cjpe.2005.0082

Abstract

Abstract:

Using principal component analysis (PCA) and cluster analysis method, the community structure and species diversity characteristics of corticolous lichen communities in a western Tianshan forest ecosystem were studied in this paper. The results showed that corticolous lichen communities differed with altitude and on different tree types. Based on the results of a multivariate analysis and universal characteristics of habitat, the corticolous lichens communities in the forest ecosystem in western Tianshan can be generalized into four major types: 1) Chaenotheca stemonea + Candellaria aurella Association; 2) Bryoria furcellata + Evernia esorediosa + Physcia tribacoides Association; 3) Parmelia fertilis + Parmelia sulcata + Parmeliopsis ambigua Association; 4) Phaeophyscia ciliata + Phaeophyscia nigricans Association. Community 3 had the highest species diversity (1.920) and community 2 had the lowest (1.562). At the same time, we found that altitude and forest canopy density were the two most important environmental factors influencing the structural patterns of corticolous lichen communities in these forest ecosystems.

Key words: Corticolous lichen, Multivariate data analysis, Community structure, Species diversity, Tianshan forest ecosystem

TUMUR Anwar, ABDULLA Adil, ABBAS Abdulla. NUMERICAL CLASSIFICATION AND SPECIES DIVERSITY OF CORTICOLOUS LICHEN COMMUNITIES IN FOREST ECOSYSTEMS OF THE TIANSHAN MOUNTAINS[J]. Chin J Plant Ecol, 2005, 29(4): 615-622.

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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2005.0082

https://www.plant-ecology.com/EN/Y2005/V29/I4/615

Figures/Tables 8

References 34

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地衣群丛 Lichens associations	群丛1 Association 1	群丛2 Association 2	群丛3 Association 3
群丛2 Association 2	0.536
群丛3 Association 3	0.485	0.325
群丛4 Association 4	0.168	0.257	0.117

地衣群丛 Lichens associations	群丛1 Association 1	群丛2 Association 2	群丛3 Association 3
群丛2 Association 2	0.536
群丛3 Association 3	0.485	0.325
群丛4 Association 4	0.168	0.257	0.117

群丛	种数	多样性	H_max	均匀度
Associaton	Species	Diversity		Evenness
1	15	1.787	2.708	0.659
2	10	1.562	2.302	0.678
3	20	1.920	2.995	0.641
4	13	1.652	2.564	0.644

群丛	种数	多样性	H_max	均匀度
Associaton	Species	Diversity		Evenness
1	15	1.787	2.708	0.659
2	10	1.562	2.302	0.678
3	20	1.920	2.995	0.641
4	13	1.652	2.564	0.644