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AnalysisofCommunityEnvironmentofNorthChinaLarchPlantationand NaturalSecondaryForestofPinustabulaeformis inMountainousAreaof NorthernHebeiProvinceinDifferentSlopePositions(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年16期
Page:
82-88
Research Field:
Publishing date:

Info

Title:
AnalysisofCommunityEnvironmentofNorthChinaLarchPlantationand NaturalSecondaryForestofPinustabulaeformis inMountainousAreaof NorthernHebeiProvinceinDifferentSlopePositions
Author(s):
LIUChun-li1; HUANGXiao-jun 1; 2; LIUXiao-bo2; ZHAONa2; XUXue-hua2; LIYu-ling2
1.MulanForestryAdministration，Chengde，Hebei068450；
2.AgriculturalUniversityofHebei，Baoding，Hebei071000
Keywords:
mountainousareaofnorthernHebeiProvince; northChinalarchplantation; naturalsecondaryforestofPinustabulaeformis; communityenvironment
PACS:
S791.2
DOI:
-
Abstract:
TakingnorthChinalarchplantationandnaturalsecondaryforestofPinustabulaeformisinnorthernmountainareasofHebeiProvinceastheresearchobjects,thedifferenceofmeteorologicalfactors,sitefactorsindifferentslopepositionswerestudied.TheresultsshowedthatthetemperatureandhumidityofnorthChinalarchplantationwerehigherthanthatofnaturalsecondaryforestof Pinustabulaeformis,andthetemperaturedifferencewasnotsignificant.Larchforestilluminationincreasedasaltitudeincreasedgradually,Pinustabulaeformiscommunitieswithinthehighestslopebottomhadthehighestillumination.Withtheincreaseofaltitude,varietyofwatercontent,saturatedwatercontent,relativewatercontentinthesamelayersoildecreasedgradually,thesamealtitudelarchforestplotsofeachsoilmoistureindexeswerehigherthanthatofPinustabulaeformis.OfPinustabulaeformisinsoilbulkdensity,withtheincreaseofsoildepth,andalongwiththeincreaseofaltitude,thesamelevelofsoilbulkdensityincreased.Larchofinnersoilbulkdensitywithsoilandelevationchangeswerenotsignificant.Thesoilporetypesof inustabulaeformisdecreasedwithsoildepthandaltitudeincreased.Larchkindsofsoilvoidwithsoildidnotchangesignificantly,butalongwiththeincreaseofaltitudechange.Inthesamesoillayer,larchforestsoilporewasmorethanPinustabulaeformis forest.In Pinustabulaeformisforestsoilparticlesdecreasedwiththeincreaseofsoildepth,larchforestincreased.Pineandlarchcommunityslopesoilparticleswerelargesample.SoilpHintwoforestsincreasedwithsoillayerincreased,soilnutrientcontentoflarch,Pinustabulaeformisforestvarietydecreasedwithsoildepthincrease.Thesamealtitudedeciduousforestsoforganicmatter,totalnitrogen,totalphosphorus,alkalinehydrolysisnitrogen,availablepotassiumcontentwerehigherthanthatofPinustabulaeformis forest,butavailablePwastheopposite.

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Last Update: 2014-09-12