辽东山区原始红松混交林土壤有机碳及其影响因素研究

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1、୍਒ୡਟြ॓࠯௹JournalofLiaoningForestryScienceċTechnology¬਒ת೶౵ჰ൓ޣ඾ࠁࢌਟ๲ಛႵࠏฏࠣః႕ཙၹ෍࿹້࣮໓मđႭ໓ᇑđᅦ߰תđᅵېđ׬ঢ়ঢ়č਒ୡസਟြ॓࿐࿹࣮ჽđ਒ୡഫဝ110032Ďᅋေğၛ਒ٳбؓđའ࣮ؓ࿹ູਟࢌࠁ඾ޣ൓ჰ౵೶ת༅ਔ҂๝ඎᇕቆӮ༯ჰ൓ޣ඾ࠁࢌਟ๲ಛႵࠏฏݣਈҵၳđ࿹࣮ਔ๲ಛႵࠏฏა๲ಛඋྟၹሰބᆱФڭۂၹሰཌྷܱܱ༢đѩ࿹࣮ਔ๲ಛฏૡٳܿੰbࢲݔཁൕđ3ᇕჰ൓ޣ඾ࠁࢌਟ๲ಛႵࠏฏݣਈनෛሢ௩૫ധᄹࡆݣฏࠏႵಛ๲ധҪ๲cm10j0Ġࢆطਈູޣ඾খွਟģখွޣ඾ਟģᆌখࠁࢌਟđіҪ๲ಛႵࠏฏᇶေটჷႿ४ઋ໾Ҫٳ

2、ࢳđіҪ๲ಛႵࠏฏหᆘіૼჰ൓ޣ඾ࠁࢌਟඎᇕܒӮ҂๝đమᄝ႕ཙሢള෿༢๤ଽฏ࿖ߌbؓ๲ಛඋྟၹሰط࿽đฏ֋бაႵࠏฏݣਈӯࠞཁᇷᆞཌྷܱܱ༢đطಸᇗapHᆴӯཁᇷڵཌྷܱܱ༢ĠؓᆱФڭۂၹሰط࿽đ४ઋ໾Ⴕࠏฏaಆ֋aฏ֋бა2๲ಛႵࠏฏૡฏಛ๲ਟွখ඾ޣଽധmc100j0Ġ༢ܱܱཌྷ໭ᄵਈݣቋնđູ181.4t/hmđᆌ22খࠁࢌਟՑᆭđູ180.56t/hmđখွޣ඾ਟቋཬđູ150.78t/hmđ౏ࢤ࣍70%๲ಛฏԥթࠢᇏᄝ40cmၛഈ๲Ҫଽbᆻᄝູࢣൕჰ൓ޣ඾ࠁࢌਟؓ๲ಛႵࠏฏ႕ཙၹ෍ބฐ෬໡ݓჰ൓ޣ඾ࠁࢌਟ๲ಛฏٳ۬अิ܂॓࿐၇ऌbܱ࡯Սğ਒ת೶౵Ġჰ൓ޣ඾ࠁࢌਟĠ๲ಛႵࠏฏᇏ๭щᅣ໓Ağ઒

3、്ѓང໓718Sğোٳğ1001-1714č2014Ď02-0005-05SoilorganiccarbonanditsimpactfactorsinoriginalPinuskoraiensismixedforestineasternLiaoningmountainousareaWEIWenjun,YOUWenzhong,ZHANGHuidong,ZHAOGang,DONGLiličLiaoningAcademyofForestry,Shenyang110032,ChinaĎ"CTUSBDUğInthispaper,weanalyzedthesoilorganiccarboncontenti

4、ntheoriginalPinuskoraiensismixedforestwhichcontaineddif-ferentproportionofPinuskoraiensis,broadleavedtreespeciesandotherconiferoustreespecies.Correlationanalysiswasconductedforstudyingtherelationshipbetweensoilorganiccarbonandsoilproperties,andtherelationshipbetweenvegetationfactors.Andthesoilcarbon

5、densitydistributioncharacteristicswerestudiedaswell.ItshowedthatthesoilorganiccarboncontentofthreeoriginalKo-reanpinemixedforestweredecreasedwiththeincreaseofsoildepth;soilorganiccarboncontentof0-10cmsoildepthwas:Pinusko⁃raiensisbroad-leavedmixedforest>broad-leavedPinuskoraiensismixedforest>conifero

6、usbroad-leavedmixedforest,surfacesoilor-ganiccarbonmainlycomesfromthedecompositionoflitterlayer,surfacesoilorganiccarboncharacteristicsshowsthattheoriginalPinuskoraiensismixedforestcompositionofdifferenttreespecieshavepotentialtoaffecttheecosystemcarboncycle.Refertothesoilproperties,CğNandorganiccar

7、boncontenthaveextremelysignificantpositivecorrelationwithsoilorganiccarboncontent,andthebulkdensity,pHvaluehavesignificantnegativecorrelationrelationshipwithsoilorganiccarboncontent;Refertovegetationc