Presence of shrubs influences the spatial pattern of soil seed banks in desert herbaceous vegetation
文献类型：期刊论文
| 作者 | Li, Feng-Rui |
| 刊名 | JOURNAL OF VEGETATION SCIENCE
 |
| 出版日期 | 2008-08-01 |
| 卷号 | 19期号:4页码:537-548 |
| 关键词 | herbaceous layer mobile sandy habitat secondary seed dispersal seed bank density seed bank species richness Woody species |
| ISSN号 | 1100-9233 |
| DOI | 10.3170/2008-8-18404 |
| 通讯作者 | Li, Feng-Rui(lfengrui@vip.163.com) |
| 英文摘要 | Question: Do shrubs influence the spatial pattern of soil seed banks in herbaceous vegetation and are these effects influenced by wind direction, sampling position ( windward vs leeward sides of the shrub) and distance from the shrub? Location: Horqin desert in eastern Inner Mongolia, China. Methods: A pioneer shrub, Artemisia halodendron, occurring in a mobile sandy habitat was used as a case study. Species composition and abundance of the seed bank and established herbaceous vegetation around six target shrubs were sampled along transects aligned to the four main wind directions and at 0.5, 1, 2, 3, 4.5 and 6 m from the shrub base on both windward and leeward sides of a transect. Results: The presence of shrubs significantly modified the spatial pattern of seed deposition, but effects varied with wind direction, sampling position and distance from the shrub. More seeds were deposited on the leeward side than on the windward sides in all four transects, especially on transects with the most prevailing wind directions. Shrubs also caused a marked variation in seed deposition across sampling locations; this effect was more pronounced on the leeward side of transects with the most prevailing wind directions, suggesting the mean range of the shrub's influence is within ca. 2 m. Conclusions: The study shows clear evidence of shrubs as a source of spatial heterogeneity in seed availability in the herbaceous layer. Shrub presence effects were strongly influenced by complex interactions between wind direction, sampling position, and distance from the shrub. |
| 收录类别 | SCI |
| WOS关键词 | MOVING SANDY LAND ; SEMIARID ENVIRONMENT ; RETAMA-SPHAEROCARPA ; ARTEMISIA-HALODENDRON ; PLANT INTERACTIONS ; CHIHUAHUAN DESERT ; LEGUMINOUS SHRUB ; DISPERSAL ; RECRUITMENT ; CANOPY |
| WOS研究方向 | Plant Sciences ; Environmental Sciences & Ecology ; Forestry |
| WOS类目 | Plant Sciences ; Ecology ; Forestry |
| 语种 | 英语 |
| WOS记录号 | WOS:000255199200011 |
| 出版者 | WILEY-BLACKWELL |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2556118 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Li, Feng-Rui |
| 作者单位 | Chinese Acad Sci, Linze Inland River Basin Comprehens Res Stn, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Feng-Rui. Presence of shrubs influences the spatial pattern of soil seed banks in desert herbaceous vegetation[J]. JOURNAL OF VEGETATION SCIENCE,2008,19(4):537-548. |
| APA | Li, Feng-Rui.(2008).Presence of shrubs influences the spatial pattern of soil seed banks in desert herbaceous vegetation.JOURNAL OF VEGETATION SCIENCE,19(4),537-548. |
| MLA | Li, Feng-Rui."Presence of shrubs influences the spatial pattern of soil seed banks in desert herbaceous vegetation".JOURNAL OF VEGETATION SCIENCE 19.4(2008):537-548. |
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来源：寒区旱区环境与工程研究所
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