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Analysis and comparison on population dynamics betweenAdenophora lobophylla andAdenophora potaninii by leslie matrix

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Abstract

The population dynamic tendency ofAdenophora lobophylla Hong as an endangered species andAdenophora 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 theA. lobophylla populations which have the reasonable age structures perform slowly negative or positive increment at altitude 2300–3400 m. Especially. below altitude 2700 m. there are many populations performing seriously declining tendency. 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 thatA. lobophylla populations have the weaker ability to adapt to the external unfavorable conditions.

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The project was supported by Chinese Natural Science Foundation. (No. 3939150)

The experiment carried out at the Botanical Department of University Federal Sao Carols in Brazil

(Responsible Editor: Zhu Hong)

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Wenhui, Z., Yuangang, Z. Analysis and comparison on population dynamics betweenAdenophora lobophylla andAdenophora potaninii by leslie matrix. Journal of Forestry Research 9, 1–7 (1998). https://doi.org/10.1007/BF02856444

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