[1] Lindsay, K., Craig, J., and low, M. (2008). The effects of track proximity on avian reproductive success and nest selection in an open sanctuary. Tourism Management, 29: 730-739.
[2] Rusterholz, H.P., Kissling, M., and Baur, B. (2009). Disturbance by human trampling alter the performance, Sexual reproduction and genetic diversity in a clonal woodland herb, Perspectives in plant ecology. Evolution and Systematic, 8(2): 109-116.
[3] Worboys, G., DeLacy, T., and Lockwood, M. (2005). Principles and Practice Protected Area Management, Cambridge University Press. pp 365.
[4] Donaldson, A., and Bennet, A. (2004). Ecological effects of roads, implications for the internal fragmentation of Australian parks and reserves. Technical Paper Series, 12: 1-74
[5] Hegetschweiler, K.T., Loon, N.V., Ryser, A., Rusterholz, H.P., and Bruno, B. (2009). Effects of fireplace use on forest vegetation and amount of woody debris in suburban forests in northwestern Switzerland. Environmental Engineering, 43(2): 299-310.
[6] Eshaghi Rad, C., Heidari, M., and Mahdavi, A.S. (2009). Examines the impact of recreation activities on soil and vegetation (case study: Forest Park Ilam Chghasbz). Iranian Journal of Forest, 3(1): 70-81.
[7] Obua, J. (1997). The potential, development and ecological impact of ecotourism in Kibale National Park, Uganda. Journal of Environmental Management, 50(1): 27-38.
[8] Bruner, A.G., Gullison, R.E., Rice, R.E., and Da Fonseca, G.A.B. (2001). Effectiveness of parks in protecting tropical biodiversity. Science Journal, 291: 125-128.
[9] Keyvan Behjo, F. (2013). Measurement of damage to stand shrubs of recreational activities in the forest Fandoghlo Ardabil, Iranian Journal of Forest, 4(3): 231- 242.
[10] Brown, J.H., Kalisz, S.P., and Wright, W.R. (1977). Effects of recreational use on forested sites. Environmental Geology, 1(2): 425-431.
[11] Marvi-Mohadjer, M., Silviculture and Tending of Forest, Tehran University Press. Tehran.
[12] Chin, C. (2002). Visitors perspectives on environmental impact and their management, ecotourism in Bake National Park, Borneo. Journal of Sustainable Tourism, 8(1): 20-35
[13] anonymous, (1992). Forestry Plan Forest Park Boloran Kouhdasht, Department of Natural Resources, Kouhdasht, Lorestan.
[14] Pariente, S., and Helena, M.Z. (2008). Effect of visitor’s pressure on the spatial variability of sandy soil in an urban park in Tel Aviv. Environment Assess, 142: 35-46.
[15] Manuela, A., Bebayas, j., Castillejos, T., Serrano, F., Morote, F., and Barja, A. (2005). Impact of visitors on soil and vegetation of the recreational area. Environmental Monitoring and Assessment, 10: 55-67.
[16] Anders. (2005). Impact of visitors on soil and vegetation of the recreational area. Environmental Monitoring and Assessment, 10: 55-67
[17] Turton, S.M. (2005). Managing environmental impacts of recreation and tourism in rainforests at the wet tropics of Queensland world heritage area. Geographical Research, 43: 140-151.
[18] Pickering, C.M., and Hill, W. (2007). Impacts of recreation and tourism on plant biodiversity and vegetation in protected areas in Australia. Journal of Environmental Management, 85: 791-800.
[19] Buckley, R. (2004). Environmental Impacts of Natural Area Tourism: Ecology, Impacts and Management. Channel View Publications, Australia. pp 235.
[20] Pickering, C.M., and Growcock, A. (2009). Impacts of experimental trampling on tall alpine herbfields and subalpine grasslands in the Australian Alps. Journal of Environmental Management, 91: 532-540.
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