Seed bank variation along a water depth gradient in a subtropical lakeshore marsh, Longgan Lake, China
文献类型：期刊论文
| 作者 | Yuan, Long-Yi; Liu, Gui-Hua; Li, Wei; Li, En-Hua |
| 刊名 | PLANT ECOLOGY
 |
| 出版日期 | 2007-03-01 |
| 卷号 | 189期号:1页码:127-137 |
| 关键词 | seed bank zonation pattern water depth subtropical lakeshore marsh |
| ISSN号 | 1385-0237 |
| DOI | 10.1007/s11258-006-9170-z |
| 英文摘要 | Although zonation patterns of the standing vegetation along a water depth gradient in wetlands have been well described, few studies have explored whether such patterns also occur in the seed bank. This study examined patterns of the seed bank along a water depth gradient in three vegetation types (submerged zone, floating-leaved zone, and emergent zone) of a subtropical lakeshore marsh, Longgan Lake, China. Submerged zone is the deepest water and never exposed its soil to air, and was dominant by submerged species; floating-leaved zone is waterlogged soil even during drawdown and was dominant by Nelumbo nucifera; emergent zone is rarely exceeded 1 m water depth during the wet season (summer and autumn), and the marsh soil was usually exposed to air during drawdown (winter and spring), and is dominant by Zizania latifolia, Polygonum hydropiper and Scirpus yagara. It was found that many species were ubiquitous in the seed bank. Frequency of distribution and densities of the dominant species, however, varied significantly from zone to zone. A total of 22 species was recorded in submerged zone, 20 in floating-leaved zone, and 29 in emergent zone. Germinated seedling density was 1,580, 8,994 and 20,424 seedlings m(2) in submerged zone, floating-leaved zone, and emergent zone, respectively. Submerged and floating-leaved species were significantly abundant in the submerged zone, while the emergent species were found predominantly in the emergent zone. A fern species, Ceratopsis pterioides, was the most abundant seedling in seed banks from all three zones. A TWINSPAN dendrogram and CCA ordination diagram clearly showed separation of species among sites with the emergent zone being well separated from the submerged zone and floating-leaved zone, thus revealing marked zonal patterns in species distributions in the seed bank. This pattern of zonation reflected the pattern in the standing vegetation. |
| WOS研究方向 | Plant Sciences ; Environmental Sciences & Ecology ; Forestry |
| 语种 | 英语 |
| WOS记录号 | WOS:000244187800010 |
| 出版者 | SPRINGER |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/1141]  |
| 专题 | 中国科学院武汉植物园 |
| 通讯作者 | Li, Wei |
| 作者单位 | Chinese Acad Sci, Wuhan Bot Garden, Lab Aquat Plant Biol, Wuhan 430074, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yuan, Long-Yi,Liu, Gui-Hua,Li, Wei,et al. Seed bank variation along a water depth gradient in a subtropical lakeshore marsh, Longgan Lake, China[J]. PLANT ECOLOGY,2007,189(1):127-137. |
| APA | Yuan, Long-Yi,Liu, Gui-Hua,Li, Wei,&Li, En-Hua.(2007).Seed bank variation along a water depth gradient in a subtropical lakeshore marsh, Longgan Lake, China.PLANT ECOLOGY,189(1),127-137. |
| MLA | Yuan, Long-Yi,et al."Seed bank variation along a water depth gradient in a subtropical lakeshore marsh, Longgan Lake, China".PLANT ECOLOGY 189.1(2007):127-137. |
入库方式： OAI收割
来源：武汉植物园
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