Dynamic changes in soil seed banks and their relationships with aboveground vegetation during the decaying of <i>Haloxylon ammodendron</i> plantations at the edge of the Minqin oasis

Fanglan, 何芳兰 He; Chunxiu, 郭春秀 Guo; Junmei, 马俊梅 Ma; Hao, 吴昊 Wu; Hongxi, 金红喜 Jin

doi:10.5846/stxb201706141084

Acta Eco Sin

2018

DOI: 10.5846/stxb201706141084

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Dynamic changes in soil seed banks and their relationships with aboveground vegetation during the decaying of Haloxylon ammodendron plantations at the edge of the Minqin oasis

何芳兰 He Fanglan¹,

郭春秀 Guo Chunxiu²,

马俊梅 Ma Junmei³

et al.

Abstract: Ｖｏｌ．３８，Ｎｏ．１３Ｊｕｌ．，２０１８ｈｔｔｐ：／／ｗｗｗ．ｅｃｏｌｏｇｉｃａ．ｃｎ基金项目：国家自然科学基金项目(３１３６０２０３) ；甘肃省创新群体项目(１４５ＲＪＩＡ３３５) 收稿日期：２０１７• ０６• １４；网络出版日期：２０１８• ０３• １６ * 通讯作者Ｃｏｒｒｅｓｐｏｎｄｉｎｇａｕｔｈｏｒ．Ｅ•ｍａｉｌ：ｊｉｎｈｘｃｈａ＠１２６．ｃｏｍＤＯＩ：１０．５８４６／ｓｔｘｂ２０１７０６１４１０８４何芳兰，郭春秀，马俊梅，吴昊，金红喜．民勤绿洲边缘梭梭林衰败过程中土壤种子库动态及其与地上植被的关系．生态学报，２０１８，３８ (１３) ：４６５７• ４６６７．ＨｅＦＬ，ＧｕｏＣＸ，ＭａＪＭ，ＷｕＨ，ＪｉｎＨＸ．ＤｙｎａｍｉｃｃｈａｎｇｅｓｉｎｓｏｉｌｓｅｅｄｂａｎｋｓａｎｄｔｈｅｉｒｒｅｌａｔｉｏｎｓｈｉｐｓｗｉｔｈａｂｏｖｅｇｒｏｕｎｄｖｅｇｅｔａｔｉｏｎｄｕｒｉｎｇｔｈｅｄｅｃａｙｉｎｇｏｆＨａｌｏｘｙｌｏｎａｍｍｏｄｅｎｄｒｏｎｐｌａｎｔａｔｉｏｎｓａｔｔｈｅｅｄｇｅｏｆｔｈｅＭ… Show more

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Soil Seed Bank Characteristics of Nitraria tangutorum Nebkhas in a Desert–Oasis Ecotone

Xiao

Xin

et al. 2022

Front. Environ. Sci.

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Understanding soil seed banks (SSBs) of Nitrariatangutorum nebkhas is critical for vegetation restoration and ecological management in desert–oasis ecotones. In this study, we conducted a survey in the field and a seed germination experiment in the laboratory to investigate the characteristics of SSB in different sizes and parts of nebkhas and to examine their relationship with aboveground vegetation. The results showed that there were 17 species of plants in six families in the SSB of Nitraria tangutorum nebkhas in a desert–oasis ecotone, dominated by Chenopodiaceae. The life forms were mainly annual herbs, accounting for 58.82%–71.43%. The number of species in the SSB were in the order of large nebkha > medium nebkha > small nebkha, and there was no significant difference in SSB density. However, SSB densities in different parts of each nebkha were in the order bottom > middle > top. The densities were significantly different and showed a decreasing trend as soil depth increased. Most of the plant seeds were distributed in the 0–5 cm soil layer. The similarity coefficient between the SSB of each nebkha and the aboveground vegetation was high. From the bottom to the top, the number of common species and similarity coefficient between the aboveground vegetation and the SSB decreased, and the number of species in the SSB was greater than that of the aboveground vegetation. Vegetation plays a decisive role in the initial development of a nebkha. When the nebkha develops to a certain extent, it reacts to the vegetation, thereby intensifying the differences in the composition of vegetation species in different parts of the nebkha and further affecting the SSB.

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Soil Seed Bank Characteristics of Nitraria tangutorum Nebkhas in a Desert–Oasis Ecotone

Xiao

Xin

et al. 2022

Front. Environ. Sci.

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show abstract

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Dynamic changes in soil seed banks and their relationships with aboveground vegetation during the decaying of Haloxylon ammodendron plantations at the edge of the Minqin oasis

Cited by 1 publication

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Soil Seed Bank Characteristics of Nitraria tangutorum Nebkhas in a Desert–Oasis Ecotone

Soil Seed Bank Characteristics of Nitraria tangutorum Nebkhas in a Desert–Oasis Ecotone

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