- Ahmad, S. and Yasmin, T., 2011. Vegetation classification along Hanna lake, Baluchistn using ordination techniques. Pakistan Journal of Botany, 43(2): 863-872.
- Anderson, A.J.B., 1971.Ordination methods in ecology. Journal of Ecology, 59: 713-726.
- Belbin, L. and McDonald, C., 1993. Comparing three classification strategies in ecology. Journal of Vegetation Science,4(3): 341-348.
- Braak, C. and Prentic, L., 1988. A theory of gradient analysis. Advances in Ecological Research, 18: 271-317.
- Braak, C. and Verdonschot, P., 1995. Canonical correspondence analysis and related multivariate methods in aquatic ecology. Aquatic Science-Research Arcoss Boundaries, 57(3): 255-289.
- Burke, D.J, López-Gutiérrez, J.C, Smemo, K.A. and Chan, C.R., 2009. Vegetation and soil environment influence the spatial distribution of root-associated fungi in mature beech-maple forest. Applied and Environmental Microbiology, 75(24): 7639-7648.
- Clark, K., 1993. Non-parametric multivariate analyses of changes in community structure. Australian Journal of Ecology, 18(1): 117-143.
- Cliff, N., 1988. The eigenvalues-greater than one rule and the reliability of components. Psychological Bulletin, 103(2): 704-712.
- Digby, P.G. and Kempton, R.K., 1987. Multivariate Analysis of Ecological Communities. Chapman and Hall, London, UK, 206p.
- Fashman, M., 1977. A comparison of nonmetric multidimensional scaling, principal components and reciprocal averaging for the ordination of simulation coenoclines and coenoplanes. Ecology, 58(3): 551-561.
- Froniter, S., 1976. Etude de la decroissance des valeurs propres dans une analyze en composantes principals. Journal of Experimental Marine Biology and Ecology, 25: 67-75.
- Gauch, H.G., 1982. Multivariate Analysis in Community Ecology. Cambridge University Press, Cambridge, UK, 295p.
- Gauch, H.G. and Whittaker, R.H., 1972. Coenocline simulation. ESA Ecology, 53(2): 446-451.
- Gauch, H.G., Whittaker, R.H. and Singer, S.B., 1981. A comparative study of nonmetric ordinations. Journal of Ecology, 69(1): 135-152.
- Ghafarnezhad, P. and Eshaghi Rad, J., 2011. Effect of Pinus nigra plantation on herb layer diversity (Case study: Urmia airport). Abstracts of Second National Conference on Biodiversity and its Impact on Agriculture and Environment. Iran, 4-5 June 2011: 23-24 (In Persian).
- Gower, J.C., 1971. A general coefficient similarity and some of its properties. Biometric, 27(4): 857-871.
- Guttman, L., 1954. Some necessary conditions for common factor analysis. Psychometrika, 19(2): 149-161
- Hardtle, W., Redecker, B., Assmann, T. and Meyer, H., 2006. Vegetation responses to environmental conditions in floodplain grasslands: Prerequisites for preserving plant species diversity. Basic and Applied Ecology, 7(3): 280-288.
- Heidari M., Pourbabaei H. and Roushan S., 2011. Natural regeneration of persian oak (Quercus brantii) between ecological species group in Kurdo-Zagros region. Iranian Journal of Biology, 24(1): 578-593 (In Persian).
- Hong, J., 1994.DCA ordination, environmental interpretation and geographical distribution model of spruce and fir plant communities in northwest Sichuan and South Gansu. Chinese Journal of Plant Ecology, 18(3): 209-218.
- Jackson, D.A., 1995. PROTEST: A procrustean randomization TEST of community environment concordance. Ecoscience, 2(3): 297-303.
- Jashni, J., Marvi Mohadjer, M., Zahedi Amiri, Gh., Etemad, V. and Hamzehee, B., 2012. Plant associations in Baharbon district of Kheyroud Forest and its relationship to land forms. Iranian Journal of Forest and Poplar Research, 20(3): 402-419 (In Persian).
- Kenkel, N.C. and Orloci, L., 1986. Applying metric and nonmetric multidimensional scaling to ecological studies. some new results Ecology, 67(4): 919-928.
- Kessell, S.R. and Whittaker, R.H., 1976. Comparisons of three ordination techniques. Vegetation, 32(1): 9-21.
- Khan, M. and Hussain, F., 2013. Classification and ordination of vegetation in Tehsil Takht-e-Nasrati, District Karak, Kyber Pakhtunkhawa, Pakistan. Journal of Ecology and the Natural Environment, 5(3): 30-39.
- Kharkwal, G., Rawat, Y. and Pangtey, Y., 2009. An ordination of the forest communities in Nainital catchment of Kumaun Himalaya. Journal of Environmental Biology, 30(5): 853-857.
- Kruskal, J.B., 1964. Nonmetric multidimensional Scaling: a numerical method. Psychometrika, 29(2): 115-129.
- Leps, J. and Smilauer, P., 1999. Multivariate analysis of ecological data. Faculty of Biological Science, University of South Bohemia Ceske Budjovice, 110p.
- Leps, J. and Smilauer, P., 2003. Multivariate Analysis of Ecological Data Using Canaco. Cambridge University Press, New York, 267p.
- Levis, E., Cakiroglu, A., Bucak, T., Odgaard, B. and Davidson, T., 2014. Similarity between contemporary vegetation and plant remains in the surface sediment in Mediterranean lakes. Freshwater Biology, 59(4): 724-736.
- Martinez, L.M., Estada, J.C. and Soriguer, J.A., 2012. The performance of three ordination methods applied to demersal fish data sets: Stability and interpretability. Fisheries Management and Ecology, 19: 200-213.
- McCune, B. and Grace, G., 2002. Analysis of ecological communities, MjM software design, Oregon, 300p.
- Moghadam, M., 2001.Quantity and Statistical Vegetation Ecology. University of Tehran Press, Tehran, 279p (In Persian).
- Molder, A., Bernhardt, M. and Schmidt, R., 2008. Herb-layer diversity in deciduous forests: Raised by tree richness or beaten by beech?. Forest Ecology and Management, 256(3): 272-281.
- Mosadeghani, M., 2001. Analysis and Description of the Vegetation (translation). Publication of Jahad Daneshgahi, Mashhad, 284p (In Persian).
- Oksanen, J., Blanchet, F.G., Kindt, R., Legendre, P., Minchin, P.R., O’Hara, R.B., Simpson, G.L., Solymos, P.M., Stevens, H. and Wagner, H., 2014. Community Ecology Package. R Package Version 2.2-0.
- Olden, J.D. and Jackson, D.A., 2001. Spatial isolation and fish communities in drainage lakes. Oecologia, 127(4): 527-585.
- Podani, J., 1989. Comparison of ordination and classification of vegetation data. Vegetation, 83(1-2): 11-128.
- Ruokolainen, L. and Salo, K., 2006. Differences in performance of four ordination on a complex vegetation dataset. Annales Botanici Fennici, 43(4): 269-275
- Tahmaseby, P., 2011. Ordination (Multivariate Analyzes in Environmental Sciences and Natural Resources) Publication of Shahrekord University, Shahrekord, 188p (In Persian).
- Urban, D., Goslee, S., Pierce, K. and Looking, T., 2002. Extending community ecology to landscape. Ecoscience, 9(2): 200-202.
- Wilson, J.B., 1981. A statistical test of the accuracy and consistency of ordination. Oecologia, 62: 8-12.
- Xianping, Z., Mengben, W., Bo. Sh. and Yang, X., 2006. Quantitative classification and ordination of forest communities in Pangquangou National Nature Reserve. Acta Ecologica Sinica, 26(3): 754-761.
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