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Analysis and Comparison on Population Dynamics between adenophoralobophylla and adenophora potaninii by Leslie Matrix

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Journal of Forestry Research 1998年第1期9卷 1-7页

作者：张文辉祖元刚 Northeast Forestry University Open Research Laboratory of Forest Plant Ecology Harbin P. R. China (GRID:grid.412246.7) (ISNI:***)

The population dynamic tendency of adenophora Iobophvlla Hong as an endangered species and adenophora potaninii Korsh as widespread species. has been predicted by the Leslie matrix. And the comparison and analysis on the age structures between two species have been carried out in this paper. The results demonstrate the A. lobophylla popuations which have the reasonable age struetures perform slowly negative or positive increment at altitude 2300-3400 m. Especially. below altitude 2700 m. there are many populations performing seriously declining tendcncy. Contrary, A potaninii populations could adapt to environment perfectly at the corresponding condition without finding the population which performs the seriously declining tendency. The differences in developing tendency of population between the two species demonstrate that A. Iobopliylla populations have the weaker ability to adapt to the external unfavorable conditions.

关键词： adenophora lobophylla adenophora potaninii Leslie matrix Endangered plant population

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Biosystematic studies on adenophora potaninii ***(Campanulaceae) V.A taxonomic treatment

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Journal of Systematics and Evolution 2010年第6期48卷 445-454页

作者： Song GE De-Yuan HONG(State Key Laboratory of Systematic and Evolutionary Botany,Institute of Botany,Chinese Academy of Sciences,Beijing 100093,China) (State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany Chinese Academy of Sciences Beijing 100093 China) *Correspondence: Song GE *Correspondence: Author for correspondence. E-mail: gesong@*** Tel.: 86-10-62836097 Fax: 86-10-62590843.

adenophora is an extremely variable genus,and its taxonomy is very *** the genus,adenophora potaninii complex,including ***,***,***,***,***,***,and *** ***,is a typical group with different taxonomical treatments due to high level of morphological *** carried out extensive biosystematic studies based on population sampling,transplantation experiments and offspring tests,cluster analysis,and a crossing *** results reveal four main findings.(i) Leaf forms of the *** complex were extremely polymorphic;the leaf form of *** and ***,and that of *** and *** could be found,respectively,on a single population or among the offsprings of a single plant.(ii) Cluster analysis and a crossing experiment indicated that *** and *** could not be separated from ***,nor *** from ***.(iii) adenophora potaninii and *** were gradational in morphology and their compatibility value was slightly reduced compared to that within each entity.(iv) adenophora lobophylla was distinct from the other members of the complex in shape and size of corolla,relative length of style,and shape of *** species was incompatible reproductively with the other members of the complex,but partly compatible with ***,a species in another ***,we recognized only one species with two subspecies in the complex,*** *** and ***,moved *** out of the complex,and reduced all the other names as new synonyms.

关键词： adenophora potaninii biosystematics populations species complex taxonomy.

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