摘要
对湖北后河国家级自然保护区的水丝梨 (SycopsissinensisOliver)种群结构和数量动态进行研究 .水丝梨种群大小、高度级结构研究表明 ,幼苗、幼树数量严重不足 ,中成树成高频分布 ,个体之间竞争激烈 ,整个种群表现为一不稳定的成熟类型 .幼苗、幼树的低频分布将是影响种群稳定的限制性因素 .
SizeclassandheightclassofSycopsissinensispopulation ,thelargestSycopsissinensispopu lationinChina ,wasstudiedinHouheNationalNatureReserve .Theresearchaboutsizeclassand heightclassindicatedthesimilarcharacter ,theseedlingsandsaplingswerescarce ,aldutswere distributedwithhighfrequency ,competitionamongindividualswasintense .Thepopulationwas inaunstablesituation .Thescarcityoftheseedlingsandsaplingswouldbecomearestrictivefactor affectingthestabilityofSycopsissinensispopulation .ConstructivesuggestionsaboutprotectionandregenerationofSycopsissinensispupulationwereoffered .
出处
《首都师范大学学报(自然科学版)》
2001年第1期84-88,共5页
Journal of Capital Normal University:Natural Science Edition
关键词
水丝梨
种群结构
大小级
高度级
Sycopsis sinensis
population structure
size class
height class