(四)生态旅游的社会生态价值链.大自然是一切科学发展的泉源,提供科学研究的环境.无论是生物科学、自然科学、或是工程科学都可从自然中找出法则.同时,旅游资源提供了社会学、历史学、考古学等人文学科的研究场所.

　　4.Thesocialecologicalvaluechainofecotourism.Natureisthesourceforthedevelopmentofallscientificfields,andprovidestheenvironmentforscientificresearch.Nomatteritisbiologicalscience,naturalscience,orengineeringsciencetheyallcanfindrulesfromnature.Inthesametimetourismrssourcesprovidehumanities,suchassociology,history,andarchaeologywiththeresearchplaces.

　　(五)生态旅游的经济影响体现为三个方面：

　　5.Theeconomicaleffectsofecotourismarereflectedinthreeaspects:直接、间接和交叉影响.direct,indirect,andcrosseffects.直接影响反映在单个旅游者会由于生态旅游环境和行为支出增加,而间接影响体现为提高其它的旅游消费行为,交叉影响是生态旅游带来的诸如"口碑效应"等潜在影响.Thedirecteffectsarereflectedintheincreaseofexpenditureofindividualsduetoecotourismenvironmentandbehavior,whiletheindirecteffectsarereflectedintheenhancementofothertourismconsumptionbehavior,thecrosseffectsarethepotentialones,suchassocalled"effectsofpublicpraise",broughtbyecotourism.生态旅游具有的可持续发展观能够不断地促进区域的经济活动,通过经济利益的再分配过程可以使社会分工达到合理化,扩大社会就业机会.生态旅游构筑的价值链不仅仅是现实经济意义上的,也是潜在的,长期的.Thesustainabledevelopmenttheecotourismownscancontinuouslypromotetheregionaleconomicactivities,realizetherationalityofsocialdivisionthroughthere-distributionprocessofeconomicinterests,therebyexpandingtheopportunitiesofsocialemployment.Thevaluechainbuiltupbyecotourismisnotonlyreflectedinpracticaleconomy,butalsoinpotentialandlong-termsignificance.