德国莱茵兰-普法尔茨地区诺肯(Westerwald, rhinland - palatinate, W .)晚渐新世(Chattian)带预炭化衰变痕迹的木质木炭

Q2 Agricultural and Biological Sciences
D. Uhl, M. Wuttke, A. Jasper
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引用次数: 6

摘要

从Norken地区的针叶木炭中描述了各种预炭化衰变的痕迹,地层定位于Westerwald地区(莱茵兰-普法尔茨)的Breitscheid组(晚渐新世,Chattian);W德国)。这些痕迹包括三维保存和塌陷的真菌菌丝,塌陷的丝状结构(可能与子囊菌有关),管胞细胞壁上不同直径的所谓针状孔,以及管胞壁表面的坑状结构。后者发生在有棱坑的管胞上,直接靠近烧焦的韧皮部(迄今为止很少报道来自前第四纪木炭)。这些观察结果,加上一些木炭碎片来自于烧焦前干燥的木材的证据,表明地表火灾是最有可能的木炭来源,尽管不能完全排除(部分)死亡但仍然站立的树木在树冠火灾中受到影响。Norken晚渐新世的数据进一步证明,前第四纪木炭可以作为一种额外的、迄今尚未充分利用的来源,用于了解植物-微生物在深时间相互作用的额外信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Woody charcoal with traces of pre-charring decay from the Late Oligocene (Chattian) of Norken (Westerwald, Rhineland-Palatinate, W Germany)
A variety of traces of pre-charring decay are described from coniferous charcoals from the Norken locality, stratigraphically positioned within the Breitscheid Formation (Late Oligocene, Chattian) of the Westerwald area (Rhineland-Palatinate; W Germany). The traces include three-dimensionally preserved as well as collapsed fungal hyphae, collapsed filamentous structures (maybe related to ascomycetes), so-called shot-like holes of different diameters in cell walls of tracheids, as well as crater-like structures on the surface of tracheid walls. The latter occur on tracheids with bordered pits, in the direct vicinity of charred phloem (so far only rarely reported from pre-Quaternary charcoal). These observations, together with evidence that some of the charcoal fragments originated from wood that dried out prior to charring, point to a surface fire as the most likely source of the charcoal, although it cannot totally be ruled out that (partly) dead but still standing trees were affected during a crown fire. The data from the Late Oligocene of Norken provide further evidence that pre-Quaternary charcoal can be used as an additional, so far largely underutilized source for additional information about plant– microorganism interactions in deep time.
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来源期刊
Acta Palaeobotanica
Acta Palaeobotanica Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.60
自引率
0.00%
发文量
5
审稿时长
20 weeks
期刊介绍: Acta Palaeobotanica is an international journal edited in English by the W. Szafer Institute of Botany, Polish Academy of Sciences, Kraków, since 1960, which publishes original palaeobotanical, palynological, palaeoecological and palaeophytogeographical papers, monographs, review and discussion articles and book reviews. It is the only journal in the Central and Eastern Europe publishing papers from all fields of palaeobotany. The journal is published regularly in one volume per year, with two numbers.
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