[1] Bateman I J, Brainard J S, Lovett A A et al., 1999. The impact of measurement assumptions upon individual travel cost estimates of consumer surplus: a GIS analysis. Regional Environmental Change, 1(1): 24-30. doi: 10.1007/s10113 0050005
[2] Bateman I J, Carson R T, Day B et al., 2002. Economic Valuation with Stated Preference Techniques: A Manual. Cheltenham: Edward Elgar Publishing Ltd.
[3] Bergstrom J C, Stoll J R, Titre J P et al., 1990. Economic value of wetlands-based recreation. Ecological Economics, 2(2): 129-147. doi:  10.1016/0921-8009(90)90004-E
[4] Bin O, Landry C E, Ellis C L et al., 2005. Some consumer surplus estimates for North Carolina beaches. Marine Resource Economics, 20(2): 145-161.
[5] Blakemore F, Williams A, 2008. British tourists' valuation of a Turkish Beach using contingent valuation and travel cost methods. Journal of Coastal Research, 246: 1469-1480. doi:  10.2112/06-0813.1
[6] Boxall P C, Adamowicz W L, Swait J et al., 1996. A comparison of stated preference methods for environmental valuation. Ecological Economics, 18(3): 243-253. doi:  10.1016/0921-8009(96)00039-0
[7] Brown W G, Nawas F, 1973. Impact of aggregation on the estimation of outdoor recreation demand functions. American Journal of Agricultural Economics, 55(2): 246-249. doi:  10.2307/1238448
[8] Carson R T, Mitchell R C, 1993. The value of clean water: the public's willingness to pay for boatable, fishable, and swimmable quality water. Water Resources Research, 29: 2445-2454. doi:  10.1029/93WR00495
[9] Caulkins P P, Bishop R C, Bouwes N W, 1986. The travel cost model for lake recreation: a comparison of two methods for incorporating site quality and substitution effects. American Journal of Agricultural Economics, 68(2): 291-297. doi: 10. 2307/1241430
[10] Chen Fu, Zhang Jie, 2001. Analysis on capialization accounting of travel value—a case study of Jiuzhaigou scenic spot. Journal of Nanjing University, 37(3): 296-303. (in Chinese)
[11] Chen Yingfa, Chen Fangming, 1994. Two popular methods for forest tourism valuation abroad. Journal of Beijing Forest University, 16(3): 97-105. (in Chinese)
[12] Chen Yingfa, 1996. Cost method: a practical valuation method to evaluate forest recreational value. Ecological Economy, (3): 27-31. (in Chinese)
[13] Clawson M, Kentsch J L, 1966. Economics of Outdoor Recrea­tion. Maryland: The Johns Hopkins Press.
[14] Daily G C, 1997. Nature's Services: Societal Dependence on Natural Ecosystems. Washington: Island Press.
[15] Freeman III A M, 2003. The Measurements of Environmental and Resource Values: Theory and Methods. Washington: RFF Press.
[16] Garrod G, Willis K G, 1999. Economic Valuation of the Environment: Methods and Case Studies. Cheltenham: Edward Elgar Pub, England.
[17] Greenley D A, Walsh R G, Young R A, 1981. Option value: empirical evidence from a case study of recreation and water quality. The Quarterly Journal of Economics, 96(4): 657-673. doi:  10.2307/1880746
[18] Hanley N, Barbier E, 2009. Pricing Nature: Cost-benefit Analysis and Environmental Policy. Cheltenham: Edward Elgar Pub.
[19] He Shuping, Liu Jing, 2008. The consumer surplus in western economics. Journal of Harbin University of Commerce, 99(2): 111-114. (in Chinese)
[20] Jim C, Chen W Y, 2006. Recreation-amenity use and contingent valuation of urban greenspaces in Guangzhou, China. Landscape and Urban Planning, 75: 81-96. doi: 10.1016/j. landurbplan.2004.08.008
[21] Kim S G, Bowker J M, Cho S H et al., 2010. Estimating travel cost model: spatial approach. Agricultural and Applied Economics Association, 1-17.
[22] Lee C K, Han S Y, 2002. Estimating the use and preservation values of national parks tourism resources using a contingent valuation method. Tourism Management, 23: 531-540. doi:  10.1016/S0261-5177(02)00010-9
[23] Li Na, Pan Wen, 2010. Using travel cost interval analysis to evaluate the recreational benefits of Shennongjia Nature Reserve. Ecological Economy, (1): 35-41. (in Chinese)
[24] Li Xueyan, 2010. Evaluation of recreation value of Canus scenes' tourism resources. Forest Resources Management, 4: 88-92. (in Chinese)
[25] Liu Xianghua, 2007. The theoretic improvement and its application of CVM in the valuation if Qixinghe wetland services. Ecological Environment, (2): 317-320. (in Chinese)
[26] Loomis J, Tadjion O, Watson P et al., 2008. A hybrid individual: zonal travel cost model for estimating the consumer surplus of golfing in Colorado. journal of Sports Economics, 10(2): 155-167. doi:  10.1177/1527002508320136
[27] Ma Jianying, Sun Xuegang, 2001. Review of studies on forest tourism resource evaluation. Journal of Gansu Agricultural University, 36(4): 357-363. (in Chinese)
[28] Ma Zhong, 2006. Introduction of Environmental and Natural Resource Economics. Beijing: Higher Education Press. (in Chinese)
[29] Mendes I, 2002. Travel and On Site Recreation Time: An Empirical Approach to Value the Recreation Benefits of Peneda-Gerês National Park. Lisbon: IATUR's 2002 Conference.
[30] Preez M D, Hosking S, 2010. Estimating the recreational value of freshwater inflows into the Klein and Kwelera estuaries: an application of the zonal travel cost method. Water SA, 36(5): 553-561.
[31] Walsh R G, Loomis J B, Gillman R A, 1984. Valuing option, existence, and bequest demands for wilderness. Land Economics, 60(1): 14-29. doi:  10.2307/3146089
[32] Wang Huijuan, 2011. A brief talk of natural landscape aesthetics of Fuping Tianshengqiao scenic spot in Hebei Province. Tourism Overview, (7): 106-108. (in Chinese)
[33] Willis K, Benson J, 1989. Recreational values of forests. Forestry, 62(2): 93-110. doi:  10.1093/forestry/62.2.93-a
[34] Willis K G, Garrod G, 1991. An individual travel: cost method of evaluating forest recreation. Journal of Agricultural Eco­nomics, 42(1): 33-42. doi: 10.1111/j.1477-9552.1991.tb00 330.x
[35] Xie Zhengxian, Ma Zhong, 2006. Evaluating recreation value of Mount. Huang using travel cost method. Resources Science, 28(3): 128-136. (in Chinese)
[36] Xue Dayuan, Bao Haosheng, Li Wenhua, 1999. A study on tourism value of biodiversity in Changbaishan mountain biosphere reserve in northeast China. Journal of Natural Resources, 14(2): 140-145. (in Chinese)
[37] Yang W, Chang J, Xu B et al., 2008. Ecosystem service value assessment for constructed wetlands: a case study in Hangzhou, China. Ecological Economics, 68: 116-125. doi:  10.1016/j.ecolecon.2008.02.008
[38] Yu Yang, Wang Erda, Zhao Ling et al., 2009. Documentation study of economic valuation on recreational tourism resources. East China Economic Management, 23(9): 140-145. (in Chinese)
[39] Zhang Jinquan, 2007. The study of non use value evaluation of Huangshan mountain based on CVM. Shanghai: Shanghai Normal University. (in Chinese)
[40] Zhang Xiaoli, Ma Li, Lu Xiaozhen et al., 2011. Research on the evaluation method of recreation value: a case study of Fengyangshan National Nature Reserve. China Population, Resources and Environment, 21(3): 213-216. (in Chinese)