鸡冠花增强了泰国北部落叶双子叶林的土壤和森林多样性

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-04-16 DOI:10.1017/s0266467423000342
Manop Kaewfoo, Sarayudh Bunyavejchewin, Dokrak Marod, Decha Wiwatwittaya, Ian C. Baillie, Stuart J. Davies, Stephen H. Hallett
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摘要

我们对泰国北部落叶双子叶树森林石灰岩上深层干粘土平原上的 Macrotermes annandalei(等翅目,Macrotermitinae)土丘及其周围的土壤和植被进行了分析,共 15 组,每组 4 个方格。白蚁从深厚的石灰质基质中挖掘出土丘。土丘土壤的底土颜色较深,粘土和可交换阳离子含量较高,pH 值也高于周围的地层粘壤土。土丘上的灌木丛在视觉上与周围的落叶双子叶林不同。它们很少有双子叶植物,在植物学上与该地区重要的落叶混交林相似。对每种树木、树苗和幼苗的大小等级进行的植物学相似性、聚类和典型对应分析证实了这种明显的视觉差异。土丘粘土和周围红粘壤土之间的差异,以及土壤和森林类型之间的关联,都通过 "t 检验 "和典型对应分析中土壤基底状况与主要植物学轴的显著相关性得到了证实。白蚁和其他扰动因素造成的土壤变异可显著促进某些热带干旱森林的短程植物学和结构多样性。
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Termitaria enhance soil and forest diversity in Deciduous Dipterocarp Forest, Northern Thailand
We characterised the soils and vegetation in 15 sets of four quadrats on and around mounds of Macrotermes annandalei (Isoptera, Macrotermitinae) on a plain of deep dystric clay over limestone in Deciduous Dipterocarp Forest in Northern Thailand. Termites have excavated the mounds from the deep calcareous substrate. The mound soils have darker subsoils, larger contents of clays and exchangeable cations, and higher pH values than the surrounding dystric clay loams. The thickets on the mounds are visually different from the surrounding Deciduous Dipterocarp Forest. They have few dipterocarps and are floristically similar to the regionally important Mixed Deciduous Forest. The clear visual differences are confirmed by floristic similarity, cluster, and canonical correspondence analyses for each of the tree, sapling and seedling size classes. The differences between the mound clays and surrounding red clay loams and the associations between soil and forest types are confirmed by ‘t tests’ and the significant correlations of the soil base status with the main floristic axis of the canonical correspondence analyses. Soil variability due to termites and other agents of pedoturbation can significantly contribute to short-range floristic and structural diversity in some dry tropical forests.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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