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Multi-scale Distribution Pattern of Natural Ramet Population in the Rhizomatous Herb ,Thermopsis lanceolata 被引量:11
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作者 于飞海 董鸣 《Acta Botanica Sinica》 CSCD 1999年第12期1332-1338,共7页
Thedistributionpatternofnaturalrametpopulationintherhizomatousherb ,Thermopsislanceolata R .Br.,at 5scales (0 .2m ,0 .4m ,0 .6m ,0 .8mand 1.0m)wasinvestigatedusinggridsamplingand spatialauto_correlationanalysis (Mo... Thedistributionpatternofnaturalrametpopulationintherhizomatousherb ,Thermopsislanceolata R .Br.,at 5scales (0 .2m ,0 .4m ,0 .6m ,0 .8mand 1.0m)wasinvestigatedusinggridsamplingand spatialauto_correlationanalysis (Moran’sI)inMaowususandlandofInnerMongoliaofChina .Theresult showedthattherametpopulationhadnon_randomdistributionpatternatfourscales (0 .2m ,0 .4m ,0 .6m and 1.0m) .Themostfrequentlyobservedpatternwascontagiousatthescaleof 0 .2m .Thegenethadsym podialgrowthandnearlyphalanxarchitecture .Thebranchingangleoftherhizomeswasfrom 10°to 30° .The densityoftherametpopulationwasfrom 35to 131ramets·m- 2 .Themeanheightoframetswasbetween 11.0 cmand 2 5.9cm .Thebiomassoftherametpopulationwas 2 6 3.6 3g·m- 2 and 30 6 .19g·m- 2 inthetwo plots,respectively .33.71%and 4 4 .97%ofthebiomassallocationtorhizomeswereobservedandthe biomassallocationtorootswas 2 9.91%and 2 9.95%andthattoleaveswas 2 5.12 %and 36 .35%inthetwo plots ,respectively .Theratioofroottoshootwas 0 .4 4inbothplotswhiletheratioofbelow_toabove_ground biomasswas 2 .12and 3.59,respectively . 展开更多
关键词 Clonalplant Clonalarchitecture Multi_scalepattern spatialauto_correlationanalysis Ther mopsislanceolata
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