资源描述：
《川西亚高山不同暗针叶林群落类型的冠层降水截留特征》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、川西亚高山不同暗针叶林群落类型的冠层降水截留特征应用生态学报2007年口月第18卷第口期ChineseJournalofAppliedEcology,Nov.2007,18(11):2398-2405川西亚高山不同暗针叶林群落类型的冠层3降水截留特征吕瑜良刘世荣学研究院，成都610081;41?2133孙鹏森刘兴良张瑞蒲2134(1中国林业科学研究院森林生态环境与保护研究所」匕京100091;西南大学地理科学学院，重庆400715;3四川省林业科烟台市昆蓊山林场，山东烟台264000)摘要在林分
2、和小流域尺度上,应用模型研究了四川卧龙亚高山暗针叶林冠层的降水截留特征•结果表明:生长季节(5-10月)，箭竹2岷江冷杉原始林冠层截留系数在33%〜72%之间，平均48%;冠层截留量与降水量之间呈显著的线性关系，函数关系;试验小流域内,74著,其顺序为蘇类2箭竹2岷江冷杉林>草类22岷江冷杉林>草类2杜鹃2岷江冷杉林>;(LAI)之间呈极显著的线性关系;39%、25%和14%•所，相对误差为9%~14%.冠层截留森林水文文章编号1001-9332(2007)11-2398-08
3、中图分类号S71512文献标识码ACanopyinterceptionofsub2alpinedarkconiferouscommunitiesinwesternSichuan，China.l,211341LBYu2liang,LIUShi2rong/SUNPeng2sen,LIUXing2liang,ZHANGRui2pu(lnstituteofForestEcology,EnvironmentandProtection,ChineseAcademyofForestry,Beijing]000
4、91,China;23SchoolofGeographyScience’SouthwestUniversity’Chongqing400715,China;SichuanAcademy4ofForestry,Chengdu610081,China;KunyushanForestFarmofYantaiCity,Yantai264000,Shandong,China).2Chin」.AppI.Ecol.,2007,18(11):2398・2405・Abstract:Basedonfieldmeas
5、urementsofthroughfallandstemflowincombinationwithclimaticda2tacollectedfromthemeteorologicalstationadjacenttothestudiedsub2alpinedarkconiferousforestinWolong,SichuanProvince,canopyinterceptionofsub2alpinedarkconiferousforestswasana2lyzedandmodeledatb
6、othstanclscaleandcatchmentscale.Theresultsshowedthatmonthlyinter2ceptionrateofFargesianitida,Bashaniafangiana-Abiesfaxonianaold2growthrangedfrom33%to72%,withtheaverageof48%」ngrowingseasonztherewasalinearorpowerfulorexponentialrelationshipbetweenrainf
7、allandinterceptionandanegativeexponentialrelationshipbetweenrain2fallandinterceptionrate.Themeanmaximumcanopyinterceptionbythevegetationinthecatch22mentofll44kmwasll74mmandthesignificantdifferencesamongthefivecommunitiesoccurredinthefollowingsequence
8、:Moss・Fargesianitida,Bashaniafangiana-A.faxonianastand>Grass-F.nitida,B-fangiana・A.faxonianastancl>Moss-Rhododendronspp.-A.faxonianastand>Grass・Rh.spp.・A.faxonianastand>Rh.spp.shrub.Inaddition,acloselinearrelationshipexistedbetweenleafare
