ABY 1997, 19(04) 1-3 DOI:     ISSN: 0253-2700  CN: 53-1039/Q

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Keywords
Soil seed bank
Authors
Tang Yong, Cao Min, Zhang Jianhou, Ren Yonghong
PubMed
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THE IMPACT OF SLASH-AND-BURN AGRICULTURE ON THE SOIL SEED BANK OF TREMA ORIENTALIS FOREST

Tang Yong, Cao Min, Zhang Jianhou, Ren Yonghong

Kunming Institute of Eology, Chinese Academy of Sciences, Kunming 650223

Abstract

As a common pioneer species in the tropics, Trema orientalis dominates the early stage of secondary succession after slash and burn agriculture in Xishuangbanna. This study deals with the impact of slash and burn agriculture on soil seed bank of a 4-year Trema orientalis for-est.The results show that seed storage is significantly reduced from 65 355 seeds /m2 to 1 070 seeds/ m2 by slash-and-burn agriculture. There were 60 species in soil seed bank before slash-and-burn and 29 specise after that. Fire leads to an increase of burning-resistant seeds in the proportion in soil seed bank. The succession of forest is retarded by slash-and-burn agricul-ture.

Keywords Soil seed bank  
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1.Cao Min, Tang Yong, Zhang Jianhou, Sheng Caiyu.STORAGE AND DOMINANTS IN SOIL SEED BANKS UNDER THE TROPICAL FORESTS OF XISHUANGBANNA[J]. ABY, 1997,19(02): 1-3
2.ZHANG Guang-Fu.Characteristics of Soil Seed Bank and Seedling Bank of Shrubland in Tiantong Range, Zhejiang Province [J]. ABY, 2001,23(02): 1-3

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