Diversity of forest floor vegegation with landform type

Diversity of forest floor vegegation with landform type
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林地植被多样性随地貌类型的变化

DOI:
10.1007/978-4-431-76737-4_18
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发表时间:
2008
期刊:
--
影响因子:
--
通讯作者:
Keiichi Ohno
Keiichi Ohno
中科院分区:
--
文献类型:
--
作者:
M. Kawanishi;H. Sakio;Keiichi Ohno

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森林草本层中有两个功能群:常驻物种和过渡物种(Gilliam & Roberts 2003)。留居种的生活史特征使其局限于草本层的地上层。相反,过渡物种暂时出现在草本层,因为它们有可能长得更高,进入更高的层。因此,常驻物种包括一年生植物、多年生植物和小灌木,而临时物种包括大灌木和乔木。树种的分布通常受到各种干扰组合的限制(Loehle 2000),但树木具有快速迁移的潜力(Clark 1998)。与此相反,草本植物的分布取决于合适的栖息地的可用性,种子传播到这些栖息地的可能性,以及种子的成功萌发和随后的生长(Ehrlen & Eriksson 2000; Gilliam & Roberts 2003)。在本章中,我们讨论了草本植物作为一个由留居种组成的群落的物种多样性。
Two functional groups occur in the forest herbaceous layer: resident species and transient species (Gilliam & Roberts 2003). Resident species have life-history characteristics that confine them to aboveground strata of the herb layer. In contrast, transient species occur temporarily in the herb layer because they have the potential to grow taller, into higher strata. Thus, resident species include annuals, perennials, and small shrubs, whereas transient species include large shrubs and trees. Tree species’ distributions are generally limited by various combinations of disturbances (Loehle 2000), but trees have the potential for rapid migration (Clark 1998). In contrast, the distributions of herbaceous plants are determined by the availability of suitable habitats, the likelihood of seed dispersal to these habitats, and successful germination of seeds and subsequent growth (Ehrlen & Eriksson 2000; Gilliam & Roberts 2003). In this chapter, we discuss the species diversity of herbaceous species as a community composed of resident species.
DOI: --
发表时间: 2006
期刊: Vegetation Science 23
影响因子: --
作者:
Kawanishi;M;;Sakio;H.;Kubo;M.;Shimano;K. and Ohno;K
通讯作者: K