Agricultural Science&Technology,201 6,1 7(1”:2489—2492,2504 Copyright c 2016,Information Institute of HAAS.All rights reserved Resources and Environment Quantitative Evaluation on Wetland Ecosystem Jl ■■_ i● ■J^■ ■ ■ erVlCe卜UnCtlon ln nao LaKe Xiaoxian TANG,Rui GAO Environmental Protection Monitoring Station of Chaohu Administration Bu reau,Hefei 238000,China Abstract I Objective1 The aim was to better reveal the type of ecosystem service 巢湖湿地生态系统服务功能价 function of wetlands in Chao Lake and provide references for protection and man- 值定量评估研究 agement,restoration and rebuilding of Iocal wetland ecosystem. fMethodl The val— ues of ecosystem function was estimated by market vaIue method.opportunity cost 唐晓先,高芮 ( 湖铝-YI[J¨)环境f }J approach,replacement cost method shadow engineering approach,travel cost 站.安徽合肥238000) method.hedonic pricing method and contingent vaIue method.【Result】W_ih wetland ecosystem service function value totals 4.968 billion yuan.the value of eco—environ— 摘 要l『l的I通 世I [观地揣永檠湖 、E[l1地 各 ment regu『ation and maintenance was the highest.followed by the value of culturaI 系统服务功能类』 干『 『同服务功能的 济价 and social function The value of material production was the least The values of 值,刈巢湖潮地生态系统的保护 j舒 q!、恢 sub—.functions can be concluded by comparison of service function vNue and pro—- j馥进提供胖论依姑 j 其践参考 1方法1远川 portions. as follows: flood mitigation>water purification>water conservation> Jfr场价值法、碳税浊、造林成书法 影 r 法 tou rism&leisu re>materiaI production>scientific research and education>water supply> 等,J法对巢捌湿地 I-态系统 怠服j}jlJJ能的 biodiversity maintenance>requ Jation on atmosphere constituents.fConclusion]The re— 价假进行定量 赞: i l巢f}_l 地 系统 search pedormed quantitative evaluations on ecosystem service function vaIues of wetlands in Chao Lake and is of significance for specific development and protec— j_fII{务J|』J能总价怕: 49.68亿儿人f ln.』£i1i I: tion of Ioca1 wetlands 怠上1、境捌节・ 维 r功能fl,'J价1_}{[最尺, 次址艾 Key words Chao Lake;Wetland ecosystem service function;Quantitative evaluation 化朴会功能价值.物质,l 产JJ_J能价帆最小 越 比较符F 态乐统J】{{务』 能价仇搜 所iI r 比例僻到锌 :j_JJ能价fl'f址_人小f 次为:渊器洪 水>水磺巾IZ>M养水源>旅游休f=f=J>物赝 t-J > ‘ heories and methods of quanti— scapes with diversified living beings, 科研教育>供水>维护 物多样 >人 分州 tative evaluation on wetland e— as well as a key environment for peo— 1 l i沦l陔甜f7[两次定} i i ff 1 巢 Ⅵ 地,l- cosystem service function and pie to live It has been closely linked 怎系统的服j}JlJJ能价价.刈‘彳丁针计性的 发f¨ its economic values have been an lm— to people’s existence and develop— 保护艇湖湿地具响 匹义 portant part of wetland research at ment[4].Domestically,there are many 关键词 艇湖; 地 态系统『】l{筹 I』_J能:价价I 定jr} 什 home and abroad.as wel las a crossing researches available on wetland ec— field between wetland ecology and eco・ osystem service function,involving re— nomicd’-21.Chao Lake plays a number search on Circum—Bohai Sea Delta of roles in the environment,principally wetlands,Liaoning wetland,Panjin water purification.fIood controI,cli— wetlands.wetlands of Poyang Lake, mate regulation and environment Dongting Lake,Lake Tai,and Lake Di— beautification,with benefits econom i- an[ .In contrast.wetland ecosystem cally,ecologically and socially.Howev- service function is rarely reported of er.these functions are non—material Chao Lake.A scientific analysis on and exert influences indirectly.sO that wetland function and value is a wav to economic values are usually ignored. improve people s awareness on wet— As a result wetland eco—environment land ecosystem.as well as provides is prone to destruction at development references for wetland protection and Of Chao Lake.and its service functions development in order to guarantee can be under risks,posing threats to wetland and resource sustainable de sustainable development of Chao velopment[9 10].I n the research,wet— Lakd3] land ecosystem service function of 基金项目 !()l4争安徽肖环境保护科f研项目 (201404) A wetland is a kind of eco—land— Chao Lake was estimated based on 作者简介 席晓先(I978一),男,安徽巢湖人. 主要从事环境监测j和质量管理工作, Ill ̄lil: 9371 29297( ̄【l(I-I【1111 :#通讯作青 ;j筒 Supported by Anhui Environment Protection Scientific Research Program in 201 4 (1986一).男.安徽巢湖人,主要从 j{、境监)圳 (201404). Corresponding author.E—mai gwc—gr@1 63。com 和综合分析工作,I :一IImi】:鼬¨一 I63I I11 : Received:September 3,201 6 Accepted:October 1 7,201 6 收稿日期2O16()9 03 修回日期2(】16一l0 l 7 249U 2016 researches available on ecosystem service function,which reveals types of ecosystem service function and rel— diversion and storage, biodiversitv maintenance.traveI and leisure.scien. Water supply Except of Hefei.Chao Lake is a tific research and education. source of potable water for people Iiv— ing in Chaohu.or coastaI villages or towns.Besides.some industries or en. terprises also make use of water here evant economic value of Chao Lake. Besides,it provides references for protection and management。restora- tion and reconstruction,as welI as Material production and supplying functions of wetlands MateriaI production Chao Lake has a variety of aquat- ic animals and plants.but the re— such as Anhui Wanwei Updated High. Tech MateriaI Industry Co..Ltd,and Chaohu Electricity Group.At present, water supply for Ioca『jndustries or resi. sustainable use of wetland ecosystem Of Chao Lake. sources are far frOm efficient use.For example,use of blue—green algae is still at researching.Hence.the value of Research 0bject and Meth- 0aS Wetland of Chao Lake Chao Lake is a Iake in lower reaches of Yangtze River,adminis- tered by Hefei.1t is 61.7 km long and 12。47 km wide.and has an area of about 780 km ,with a coastline of dents reaches 4.62×1 O0 m弧,and irri- materiaI production of fishery products can be estimated by market price ap proach based on market prices and yield of the materia1.as follows: gation water can be 6.5×1 00 m lv。Ac- cording to Notice on Water Resources Fee Collection([201 3】29)jointly is- sued by National Development and ∑ . where V is value of nance,and Ministry of Water Re. material production; is the yield of sources.average water price js 0.1 Reform Commission。Ministry of Fi- 181.81 km.As one of the five Iargest freshwater Iakes in China.jt is a peren- nial freshwater lake and key nationa1 wetland.known for“a Pearl of Anhu.’._ resources available for materiaI 尸,is market price of the ma- yuan/m0xwateruse,and it can be concluded water teriaI Statistics of fishery production of Chao Lake in 201 3。totaI yield was 23 848 t.including 1 644 t freshwater supply value of Chao Lake is 111 200 yuan. Regulation and maintenance of eco-environment In addition to that.Chao Lake is abun- dant with naturaI resources.including 54 species of 1 6 families jn 9 species of fish,1 91 phytoplankton species of 84 genera in 8 classes,46 zooplankter shrimps。2 1 77 t white shrimps。1 4 291 t lake anchovy,4 012 t big fishes,586 t silver fish,1 050 t shellfish,52 t eel, crab,and mandarin fish.The output Regulation on atmospheric con- stituent Regulation on atmospheric con・ ue can be as high as 230 470 yuan. species of 35 genera,55 benthonic value of ecosystem animals and 54 aquatic plant species Therefore。the valOf 44 genera in 28 families[1 . Research method materiaI production function is 230 470 stituent refers to CO2 fixation and re- leasing,as well as discharge of CH4 and N20 by ecos ̄,stem.It is notable that CH4 unimolecule is 20 times as yuan in Chao Lake currently。 A proper evaluation method of ec- ologicaI economics can be chosen ac- cording to characteristics of wetland e- COSystem service function of Chao Lake.There are many methods for ev- aluation on ecosystem service func- tions such as market value method, oppo ̄unity cost approach,replace。 ment cost method,shadow engineer- ing approach,travel cost method,he— donic pricing method and contingent value method[12-13]to interpIret wetland ecosystem impo ̄ance by monetiza- tion. Resu lts and Analysis In accordance with the Millennium Ecosystem Assessment and type, ●●Rivers—一Rivers structure and ecological process of Chao Lake wetlands,the wetland ec- OSyStem service function can be classi・ Fig.1 Distirbution of wetland types in Chao Lake in 201 3(Unpublished) Table 1 The area and biomass of aquatic plants in Chao Lake wetlands lfed into production and supplying function。regulation and maintenance function of eco-environment and sociaI and culturaI function.Sub-functions include materiaI production.atmo- spheric constituent regulation,flood :/Ul b L 圆Il田口E 匹皿墨薹2■I口蜀五巳蜀: ■ 2491 Table 3 The value of diferent ecosystem services in Chao Lake wetland The research took Lake Tal as a ref. erence[’61 and average emission fluxes were 2.74 and 0.19 mg,(m2・h)0f CH4 and N20.Besides,hygrophyte and e- mergent aquatic plant have an area of 1 5.67 km in Chao Lake.With emis. sion time frOm April to October。 amounts of CH4 and N2O were 21.64x 104 and 1.50×1 o4 ka respectively in vegetation—oriented coastaI belt of Chao Lake.In addition to that.Pearce et a1.proposed in OECD that emission values of CHd and N20 were 0.693 and 1 8.52 yuan/kg.so that economic IOSS of the two gases in emission was computed at 430 000 yuan. Jn conclusion,the value of atmo— sphere conditioning is estimated at 40.33 million yuan by wetlands in Chao Lake. Water conservation high as CO2 in terms of global warming taken as a shadow price and refor— potentia1.and it is considered an cru- estation cost approach takes the cost Lakes,rivers and ponds all func- tion welIin water conservation and the ciat greenhouse gas only second to in constru ̄ing forests absorbing equaI value of Chao Lake can be estimated CO 2_Therefore,it is necessary to take amount of CO2_Globally,carbon tx by shadow engianeering. Average both positive and negative effects of rate is 150¥/t that js so high jn China. depth of perenniaI runoff is 318.4 mm. ecosystem jnto consideration at fully The research took an average at 60 and drainage area is 1 3 486 km .of evaluating ecosystem service value. Calculation on biomass of aquatic yuanff of Chinese reforestation cost which the region directly affected bv (250 yuanff)and global rate(150 S/t) Chao Lake can be 1 968 km2.Hence. to calculate carbon fixation value of wetlands.Oxygen emission price was estimated with cost of industriaI pro— duction of oxygen as a shadow price at the amount of water conservation can plants in Chao Lake wetlands Aquatic plants are rich in Chao Lake wetlands and ecologic zone tends to be volatile in area upon spe— be concluded,and the value be further computed by reservation method per unit.Cost of reservoir capaci ̄per unit was based on construction investment cific plant.From field investigation, biomass of Chao Lake wetlands can 400 yuanff,as follows: = of reservoirs during 1 988-1 991 and be computed at 27 957 t(Table 1),on Q・Pt,where V is value of price index.As a result.0.67 yuan js basis of previous research and carbon fired t constructiang 1 m0 reservoir. xation and oxygen emission, requibiomass of similar wetlands[伺. follows: Q is dry ma ̄er quality of planting in as CO2 fixation and O2 releasing V=0.67W where V is the value of wetlands; is shadow price of C02 As per plant phOt0synthesis equa- andO2. wetland plants in Chao Lake,the value of carbon fixation and oxygen emis- sion was 40.76 million yuan. water conservation and W is the 1t can be concluded that the value of water conservation was 41 9 830 tion,1.63 g CO2 can be fixed and 1.20 g O e released by producing 1 g dry ma ̄er.Total amount of fixed C02 and of water conservation. Based on biomass(27 957 t)of amount released 02 can be concluded with plant biomass in wetlands and its val— ue can be estimated by carbon tax ap- proach。reforestation cost approach and shadow price of industriaI oxygen production cost. Currently,carbon tax approach and reforestation cost approach are popular in calculation of carbon fixation by plants.For carbon tx appraoach, yuan j几Chao Lake. Estimation on value of greenhouse gas emission in negative effect Flood controI Reservoirs and lakes play a role ood mitigation and water storage. It is researched that CH and N20 of flage water IeveI of Chao Lake is both show regular rule ln emission and Averthe amount in vegetation-oriented coastaI belt is 50 timers higher than that from lakes.Nevertheless.re- 8.37 m and reservoir capaciy tis 20-7× 1 08 m0.One.hundred.vear flood water Ieve1 is 1 3.36 m every 1 0 decades, and f计tv-year flood water levelis 1 2.75 searches are unavailable on green- internationaI carbon tax standard is voir capaci ̄of 53.9×1 00 m3 house gas emission in vegetation。 m.Resern the research,and flood oriented coastal belt of Chao Lake. was used i2492 ZU1b diversion and storage capacity was concluded at 33.2xl 00 m3.On the oth- er hand,the value of flood diversion Scientific research and education Wetlands are speciaI natural re- sources and concerning scientific re- search is of great significance.Chao Lake wetlands,for instance,are a kind tute of Geography&Limnology of CAS, controI and pollutant reduction such as nitrogen or phosphorus.but its role in regulation atmosphere constituents is and storage by Chao Lake was com- puted by shadow engineering method at222440yuan. crucial,though limited(0.81%)due to sinail area and biomass of aquatic mospheric circulation by element movement and conve ̄ion such as ants.It has been a part of global at— of platform providing for Nanjing Insti- plWater purification Awetlandis known asfl kidneyof Institute of Hydrobiology of CAS.and Research Center for Eco--Environ・- Lake Administration Bureau has planned to build an ecologicaI obser- the Earth,purlfying nature by precipi・ ration,absorbing and degradation.As shown in Table 2,the value of terres— trial wetland ecosystem is 1 6 087 carbon,oxygen,and nitrogen.The ful for increasing terrestriaI carbon mental Sciences.Furthermore.Chao function of carbon fixation is meaning- sink and mitigating global warming on station on wetlands of Chao and the function of oxygen releasing yuan/(hm ・a1 and water purification vativalue is 125 012 yuan. Lake in order to research water quality, Biodiversity maintenance hydrology and eco--environment SUC・- Aquatic Wildlife NaturaI Reserve, cessively.The value of scientific re- with an area of 33 333 hm was estab— sea ̄h and education of the wetlands Iished in 2006.which was the only one is concluded as per research achieve- aquatic organism natural reserve na- ments by Chen and C:ostanza et aL[1捌. tionwide for the protection of aquatic Average scientific research and edu— animals and plants,benthonic animaI cation values were 382 yuan/(hm ・a1 and wateffowl The value of Chao and 861 hm2・a】of domestic and Lake wetlands can be explored by globa1 wetland ecosystem and an aver- benefit transfer method jn maintaining age was obtained at 2 903 yua hm2・a) biodiversity.Costanza explored unit to estimate scientific research value of wetland functions of globaf wetland e. wetlands of Chao Lake. cosystem species and natural capital Analysis on evaluation of ecosys- value and the results showed that the tern service function value of Chao value for biodiversity maintenance can Lake wetlands be 1 91 5 yuan/(hm2・a1.Xie et aLI’ an. Ecosystem eco-service function alyzed service value of biodiversity value totaled 4.968 billion yuan of wet— maintenance in wetlands of China per lands in Chao Lake(Table 3). unit area and the results showed that Among three wetland ecosystem biodiversity maintenance value can be service functions,the value of eco.en. 2 21 2 yuan/(hm2-a).The research vironment regulation and maintenance took average at 2 064 yuan/(hm2・a1 of was the highest at 4.003 billion yuan。 the two values and it was estimated accounting for 80.58%of totaI service biodiversity maintenance was 68.88 values,followed by the value of cultur. million yuan of Chao Lake. al and sociaI function at 623 million CulturaI and sociaI function yuan。accounting for 1 2.53%.The va1. Travel and leisure ue of material production was the least Humanistic and natural resources at 342 million yuan. representing are much more nearby Chao Lake at— 6.88%. tracting tourists.According to tourism The values of sub-functions can resources statistics nearby Chao Lake be concluded by comparison of ser— in 201 2。tourist arrivals in maior scenic vice function value and proportions,as spots totaled 4.1 86 million.tourist re. follows:flood mitigation>water purifi. ceipts 337.53 million yuan and starred cation >water conservation > agritainment hotels had a total of 59.59 tourism&leisure>materiaI production> million yuan,showing a growing ten。 scientific research and education>wa- dency.It can be estimated that the ter supply>biodiversity maintenance> value of tourism of Chao Lake wet. regulation on atmosphere con- 1ands was 397.1 2 million yuan in 201 3. stituents.It is obvious that Chao Lake What’s more.the tourism function plays a key role in flood mitigation, makes people happier,benefiting their water purification and conservation, health and improving work efficiency, dominated by flood mitigation but the aspect is hard to be quantified (44.78%),and water purification value in short of data.and not taken into con- represented 25.1 6%.Hence.wetlands sideration for the time being. Of Chao Lake are significant in flood Iays foundation for Iife activities.Ad- ditionally,wetland system js a habitat and gene pool for many birds and fish— es。indispensible for biodiversity main— tenancet . Discussion and Conclusion With wetland ecosystem service function value totals 4.968 billion yuan, the value of eco--environment regula.. tion and maintenance was the highest, followed by the value of culturaI and social function.The value of materiaI production was the Ieast.The values of sub-functions can be concluded by comparison of service function value and proportions,as follows:flood miti- gation>water purification>water con— servation>tourism&leisure>material production>scientific reseamh and ed. ucation>water supply>biodiversity maintenance>regulation on atmo- sphere constituents.It is notable that some functions of wetlands have been intensified due to human activity as ec. onomic grows.sO that diferences am. ong functions tend to be volatile[2o].For example.culturaI and sociaI function of wetlands in Chao Lake is prominent with circum-Chao Lake Rcad finished and eco-environment improved.Com- paratively,the function of materiaI pro- duction is Ieft behind and廿1e tendencv cOntlnues. As fOr water suppIy, eu- tr0phicati0n is quite severe in ChaO Lake and hardIy tO be tfeated,sO that Hefei has changed DOngpu ReservOir and Dafangying ReservOir as water suppIy sOurce. COnsequentIy, water suppIV functiOn is nOt sO weII—per- fOrmed bv ChaO Lake. On the O廿1er hand,with eutrODhi. catiOn,Cha0 Lake is sO fragile that at. tentiOn shOuId be paid tO carrying ca- (ContInued on page 25O4) 2504 2016 content of soil micrOnut ents and af- lead content in soils and the factors in- fluencing its accumulation in 统计局海南调查总队).Hainan statisti・ cal yearbook(海南统计年鉴)[M】.Bei— jing:China Statistics Press(北京:中国 统计出版社1.2012. .fecting factors(土壤微量元素含量及其 影响因素的研究)『J1.Soils and Fertiliz- Chongqing(重庆土壤铅含量污染评价 ers(土壤肥料),2005(5):35—37. [14】ZHANG YE(张永娥),WANG RL(王瑞 『151 WANG CM(王春苗),SHI ZS(石中IlI), YANG JH(杨剑虹).An assessment of 良),JIN SJ(靳绍菊).Research on the Responsible editor:Tingting XU 及其影响因素分析)[J】l Guangxi Agri・ cultural Sciences(广两农业科学), 2009,4O(9):1 172-1 176. Responsible proofreader:Xiaoyan WU (Continued fr0m page 2492) pacity of Iocal ecosystem at resource exploitation.Therefore.it is necessary f7】CUILJ(崔丽娟).Evaluation on functions of Poyang Lake ecosystem(鄱阳湖湿地 f张永民).Beijing:China EnvironmentaI Science Press(北京:巾同环境科学f“ 版社1,2007:86-94. 生态系统服务功能价值评估研究)[J]. Chinese JournaI of Ecology(生态学杂 f0r keeping regional economy sustain- able development to abide by ecology 【15】TU QY(屠清瑛),GU DX(顾丁锡),XU ZR(徐卓然),et a1.Eutrophication of Chao Lake(巢湖一——寓营养化研究) 志),2004,23(4):47-51. 【8】LYU L(吕磊),LIU CX(刘春学).Evalua・ rules,insist on protection first and manage wetlands in a capitalized way at development of IocaI resources. References 【1】ZHANG XY(张晓云),LYU XG(吕宪罔), SHEN SP(沈松平),ef a1.Service value evaluation of main ecosystems of Ruo- ergai Plateau marshes(若尔盖高原湿 地区主要生态系统服务价值评价)[J]. Wetland Science(湿地科学),2008,6 (4):466-472. 【2]TROY A,WILSON M A.Mapping ec- osystem services:practical challenges andOppOrtunitiesinIinking GIS and value transfer 『J1.Ecological Economics, 2006,60(2):435—449. f3】ZHUANG DC(庄大舄).The evaluation of the ecosystem services value in Dongting Lake wetland(洞庭湖湿地生 态系统服务功能价值评估)[J].Economic Geography(经济地理),2004,24(3): 391-394. 【4】LlU S,COSTANZA R,TROY A.Valuing New Jersey’S ecosystem services and naturaI capital:a spatially explicit benefit transfer approach『J1.Environmental Management。2010,45(6):1271—1285. 【5】XU Y(许妍),GAO JF(高俊峰),HUANG JC(黄佳聪).Ecosystem service valua— tion ofTaihu wetland(太湖湿地 £态系 统服务功能价值评估)[J】.Resources and Environment in The Yangtze Basin (长江流域资源与环境),2010,19(6): 646-652. [6]YANG G(杨光).Ecosystem service val— uation of Taihu wetland in Suzhou(苏州 太湖湿地生态系统服务功能价值评估) [J】.Forestry Science&Technology(林 业科技),201 3,38(3):53—56. Responsible editor:Xiaoxue WANG tion on functions of ecosystem service ofdianchi Lake f滇池湿地生态系统服务 功能价值评估)『J].Environmental sci- ence survey(环境科学导刊),2010,29 f1):76-80. 『91 DE GROOT R S,WlLSON M A,BOU— MANS R M J.A typology for the classi- fiCation.description and valuation of e- cosystem functions,goods and services fJ] EcologicaI Economics,2002,41(3): 393-408. [10】XIE GD(谢高地),ZHEN L(甄霖),LU CX(鲁春霞),et a1.Supply,consump。 tion and valuation of ecosystem ser- vices in China(生态系统服务的供给、 消费和价值化1 .Resources Science (资源科学),2008,30(1);93—99. [11】WANG SM(王苏民),DOU HS(赛鸿 身).China Jakes(中圈湖泊志)『M】. Beijing:Science Press(北京:科学出 版社1.1998. [12】DONG JK(董金凯),HE F(贺锋),WU ZB(吴振斌1.Valuation of ecosystem service for constructed wetland f人1 湿地生态系统服务价值评价研究)[J]. Environmentaf Science&Technology (环境科学与技术),2009,32(8):187— 193. [131 LIU ZJ(刘增进),ZHANG YJ(张钰婧), CHANG FL(常风兰),et a1.Research on the evaluation method for wetland ecosystem(湿地生态系统价值评价方 法研究)[J】.Journaf of AnhuI Agricul— tural Sciences(安徽农、I 科学),2008, 36(34):15147-15148. 【1 4]Conceptual framework team of Millen— nium Ecosystem Assessment r年生 态系统评估项目概念框架T.作组1.Ev— aluation framework of ecosystem and human wellbeing(生态系统与人类福 祉:评估框架)【M】.Trans.Zhang YM fM1.Hefei:Press of University of Sci- ence and Technology of China(合肥: 中同科学技术人学 版社).1990:208— 209. 【16]CHEN L(陈}路).Study on ecological service function in Taihu nearby re— gionaI important ecologicaI function area:a case study of Wuzhong Dis— trict.Suzhou City(太湖滨湖 域重要 ,{ 态功能区生态服务功能的研究—— 以苏州市吴中 为例)[D】.Suzhou: Suzhou University of Science and Technology(苏州: 州科技火学), 201 4:25-29. 【17】XIE GD(谢岛地),ZHANG YL(张钇 锂),LU CX(鲁春霞1,efa1.Study on valuation of rangeland ecosystem ser- vicesofChina r同自然草地生态系统 服务价值) 1.doumaI of Natura J Re- sources(自然资源学报),2001,16(1): 47-53. 『1 81 R COSTANZA,R ARGE,R GR00T. ef a1.The value of the world.s ecosys. tern services and natural capital『J1. Nature,1 997,386:253-260. (19】ZHANG YR(张翼然),ZHOU DM(例德 民),LIU M(刘 ).Ecosystem semice valuation research of Chinese inland wetlands based on case study(巾罔内 陆湿地生态系统服务价值评估——以 71个湿地案例点为数据源)『J1.Acta Ecologica Sinica(生态学报),2015,35 (13):4279-4286. [20】ZHANG JS(张敬松),WANG J(J:捷), WANG HL({j洪禄)Evaluation of the ecosystem service value of Baishi Reservoir(rI 水侔 态系统服务价 值评价)【J1.JournaI of Anhui Agricu1. turaI Sciences(安徽农、 J科学),2008, 36(9):3860-3862. Responsible proofreader:Xiaoyan WU