David R. Montgomery - Dirt_ The Erosion of Civilizations (2007, University of California Press)

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1、DirtThepublishergratefullyacknowledgesthegenerouscontributiontothisbookprovidedbytheGeneralEndowmentFundoftheUniversityofCaliforniaPressFoundation.DirttheerosionofcivilizationsDavidR.MontgomeryuniversityofcaliforniapressberkeleylosangeleslondonAlsobyDavidR

2、.MontgomeryKingofFish:TheThousand-YearRunofSalmonUniversityofCaliforniaPress,oneofthemostdistin-guisheduniversitypressesintheUnitedStates,enricheslivesaroundtheworldbyadvancingscholarshipinthehumanities,socialsciences,andnaturalsciences.Itsactivi-tiesaresu

3、pportedbytheUCPressFoundationandbyphilanthropiccontributionsfromindividualsandinstitu-tions.Formoreinformation,visitwww.ucpress.edu.UniversityofCaliforniaPressBerkeleyandLosAngeles,CaliforniaUniversityofCaliforniaPress,Ltd.London,England©2007byTheRegentsof

4、theUniversityofCaliforniaLibraryofCongressCataloging-in-PublicationDataMontgomery,DavidR.,1961–.Dirt:theerosionofcivilizations/DavidR.Mont-gomery.p.cm.Includesbibliographicalreferencesandindex.isbn-13:978–0-520–24870–0(cloth:alk.paper)isbn-10:0–520–24870–8

5、(cloth:alk.paper)1.Soilscience—History.2.Soils.3.Soilerosion.I.Title.s590.7.m662007631.4′9—dc222006026602ManufacturedintheUnitedStatesofAmerica15141312111009080710987654321Thepaperusedinthispublicationmeetstheminimumrequirementsofansi/nisoz39.48–1992(r1997

6、)(Perma-nenceofPaper).ForXenaT.Dog,enthusiasticfieldassistant,dedicatedreceptionist,andverybestfriend—walkwithmeforever,sweetgirlcontentsacknowledgmentsix1/goodolddirt12/skinoftheearth93/riversoflife274/graveyardofempires495/letthemeatcolonies836/westwardho

7、e1157/dustblow1458/dirtybusiness1799/islandsintime21710/lifespanofcivilizations233notes247bibliography251index271acknowledgmentsThisbookcouldneverhavebeenwrittenwithoutthesupportofAnneBikléwho,onceagain,putupwithadiningroomtablecoveredwithend-lessrevisions

8、.SusanRasmussenchaseddownobscurehistoricalsourcesandprovedanincrediblelibrarysleuth.PollyFreeman,BlakeEdgar,andEdithGladstoneprovidedexceptionaleditorialinputandguidance,andSamFleishmanwasatremendoushelpinfind