Primary Probing into Niche of Natural Betula platyphylla Population by Means of Photosynthetic Efficiency

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cje ›› 2002, Vol. ›› Issue (1): 65-67.

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Primary Probing into Niche of Natural Betula platyphylla Population by Means of Photosynthetic Efficiency

Wang Aimin¹, Zu Yuamgang²

1. School of Life Sciences, Shanghai University, Shanghai 200436;
2. Open Plant Laboratory of Forest Plant Ecology, Northeast Forestry University, Haerbin 150040

Received:2000-10-12 Revised:2001-05-21 Online:2002-02-09

Abstract

Abstract: In terms of photosynthetic efficiency,which demonstrates the space-time function of plant,niche width of B. platyphylla population was described.First,on the basis of net photosynthetic amount in certain time,the niche width of a birch was calculated.Then,the realized niche and rudimental niche of B. platyphylla seedlings,young trees and adult trees were discussed.Finally, the dynamic of niche under special conditions was studied.

Key words: wheat, RIL, drought stress, WSC accumulation and remobilization, quantitative genetics.

CLC Number:

Q948

Wang Aimin, Zu Yuamgang. Primary Probing into Niche of Natural Betula platyphylla Population by Means of Photosynthetic Efficiency[J]. cje, 2002, (1): 65-67.

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Primary Probing into Niche of Natural Betula platyphylla Population by Means of Photosynthetic Efficiency

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