简介：Afterreviewingalargequantityofliteraturesathomeandabroad,thenaturalregenerationbarriermechanismsofforestweredescribed,includinglackofseed,animaleatingandtrespass,plantsallelopathy,microbialpathogenesis,unusualstateofecologicalfactorslikelight,temperature,humidityandrainfall,physicalobstructofunderstorygroundcoverandlitters,naturalandhumandisturbanceanddifferenceforestcommunitycharacteristics.Thepaperfinallycameupwiththeproblemsexistinginthecurrentresearchandthedevelopmentideaoftheresearch.
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