First Devonian Forests on Earth: Appearance, Composition of Plants, Types of Forest Ecosystems, and Their Distribution

IF 0.3 Q4 GEOLOGY
A. L. Jurina
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引用次数: 0

Abstract

The article considers the appearance, composition, types, and distribution of the first Devonian fossil forests on Earth, finds of which are extremely rare. There are five known localities: three in the Middle Devonian (Middle Eifelian locality Lindlar in Germany; two Upper Givetian localities Cairo and Gilboa in the USA), and two in the Upper Devonian (Lower Frasnian locality Munindalen on Svalbard in Norway and the Upper Famennian locality Xinhang in China). The terms fossil forest, forests community, and a type of fossil forest, not mentioned by previous researchers, are proposed, and a detailed plan for their description is recommended (formulations are presented only for remains in the status in situ). The stratigraphic sequence of the first forests in the Eifelian–Late Devonian of the Earth’s history, taking into account recently published data, is presented. Two types of forests have been identified with indication of the dominant genera in each type: the cladoxylopsid type, common in the Middle Devonian, and the lycopodiophyte type, typical of the Upper Devonian. A key role of cladoxylopsid ferns in the creation of original arboreal forests due to advantages in the organization of their conducting system is shown.

Abstract Image

地球上最早的泥盆纪森林:外观、植物组成、森林生态系统类型及其分布
摘要 本文探讨了地球上第一批泥盆纪森林化石的外观、组成、类型和分布,这些森林化石的发现极为罕见。目前已知的地点有五个:三个在中泥盆世(德国的中埃菲尔期地点 Lindlar;美国的两个上给第期地点 Cairo 和 Gilboa),两个在上泥盆世(挪威斯瓦尔巴群岛的下弗拉斯期地点 Munindalen 和中国的上法门期地点 Xinhang)。我们提出了化石森林、森林群落和一种化石森林等术语,这些术语以前的研究人员没有提到过,我们建议制定一个详细的计划来描述这些术语(这些术语仅针对处于原地状态的遗迹)。根据最近公布的数据,介绍了地球历史上埃菲尔-晚泥盆世第一批森林的地层序列。研究确定了两种类型的森林,并指出了每种类型森林中的优势种属:常见于中泥盆世的粘多糖类森林和典型于上泥盆世的番茄红素类森林。结果表明,蕨类植物由于其传导系统的组织优势,在原始树栖森林的形成过程中发挥了关键作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
0.60
自引率
25.00%
发文量
43
期刊介绍: Moscow University Geology Bulletin  is the journal that mainly publishes scientific articles, short reports of graduate students, and reviews. Publications made by the members of the Faculty of Geology of the Moscow State University and their collaborators are published. Publications encompass all branches of geology.
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