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Tham khảo tài liệu 'modern biogeochemistry: second edition phần 4', khoa học tự nhiên, công nghệ môi trường phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 124 CHAPTER 5 For the calculation of critical loads of variouspollutants on the human and ecosystem health the following working hypothesis has been considered. This hypothesis is connected totheassessmentofsensitivityof varioushumanphysiologicalpmameters to envữonmentaibiogooclienecal Oactoes. Inthiicnseinteraetsonmrybr eiinoiiy ip by statis ieer pori rii oa ob lim OeoonbeocebntsoeriilopdOigeodonsiovstehesoe morbidity.Ths eritrcaltoadsoO orniraioinOsogcn otveaiousecosystoms nne Ibs it exceedencoeduriee 1992dS996 worpcomparedwsy euieaon í t irn oryerỉr mmor bidity bothiu riin Crimes aehtvomoole fuk íõ . estcg a i th6rosofsatnsysaset were correlatdh wid theexceedancesoecririfol loadr eigoros0aodS01 Tabln 12 . PART II NATURAL BIOGEOCHEMICAL PECULIARITIES OF EXPOSURE ASSESSMENT The general characteristics of biogeochemical cycling shown in the previous chapters can provide US only with an integrated pattern of the biogeochemical structure of the bioethere whicliis differentiatedgynmy features andespecinyregarding quantitative pcrgmeteetzgtioaof expoiiưearheismeglẽnvrriaucecoshrtemryiei. In accordaacewith climate poofogy soilyVegeletioe hydrarogy gad reliefyWecan rubdivide thgglobai ecgayatymtnlodifferent ecorggtoasaay ecozcadi isge resirsteyce Bailey 199091 100 zoyee.Evenepriosi bdrne eiieihevls Ọeni tycereaaizatiee of the Worie s orosettem weoaa Silgeesi arai r iieh oliieim peeiniieOtioroaniOi geochemical cycliag of earious elementsm nagireiietresteiel íMid equetir oaocrssamr aad accorJiiiglỵ.ileTctmtrliarycterisiii- fegiures oChumaeaadacoacrtemgxpasuro to variourpottytaats viadhe di mgirentómcacii CHAPTER 6 ARCTIC AND TUNDRA CLIMATIC ZONE 1. GEOGRAPHICAL PECULIARITIES OF BIOGEOCHEMICAL CYCLING AND POLLUTANT EXPOSURE m the Northern Hemisphere the AND ofLctie and tundralauduuapes with plant species ecosystems is 3 756 000 km2. In the Southern Hemisphere similar landscapes toe completelyabsent. Most ofthese landscapes oocaa innorthernEurasia Russia Fennoscandia .
