嗜粪真菌孢子:用于研究过去的大型食草动物的非花粉孢子形态

Eline N. van Asperen, Angelina G. Perrotti, Ambroise G. Baker
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引用次数: 12

摘要

粪亲真菌孢子是应用最广泛的非花粉孢子形态之一。在过去的几十年里,这些孢子作为研究更新世和全新世巨型动物的代理变得越来越重要。虽然用于古生态学的真菌种类相对较少,但其在古环境重建中的应用仍有待研究。然而,影响这些孢子保存和恢复的环境和埋藏学因素仍然知之甚少。此外,我们对孢子是否以及如何在景观中传播的理解是有限的。粪便真菌孢子的存在似乎与巨型食草动物的存在密切相关。然而,根据地点的不同,从粪便真菌孢子记录中定量重建巨草食动物丰度仍然存在一些局限性。粪便真菌孢子的存在往往比它们的缺失更重要,并且应谨慎解释丰度随时间的变化。与其他代理的相关性可能提供了一个有希望的前进方向。以粪便真菌孢子作为大型食草动物丰度指标的研究大多是晚更新世和全新世的记录,重点关注晚第四纪巨型动物的灭绝。然而,更多的研究可能会将记录进一步追溯到过去。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Coprophilous fungal spores: non-pollen palynomorphs for the study of past megaherbivores
Abstract Spores from coprophilous fungi are some of the most widely used non-pollen palynomorphs. Over the last decades, these spores have become increasingly important as a proxy to study the Pleistocene and Holocene megafauna. Although the number of types used in palaeoecology is relatively small, there is a wide range of coprophilous fungal taxa whose utility in palaeoenvironmental reconstruction remains under-researched. However, environmental and taphonomic factors influencing preservation and recovery of these spores are still poorly understood. Furthermore, our understanding of whether and how spores are transported across the landscape is limited. Dung fungal spore presence appears to correlate well with megaherbivore presence. However, depending on the site, some limitations can remain to quantitative reconstructions of megaherbivore abundance from dung fungal spore records. The presence of dung fungal spores is often more significant than their absence and variation in abundance with time should be interpreted with caution. Correlation with other proxies may provide a promising way forward. The majority of studies using dung fungal spores as an indicator for large herbivore abundance are of records of Late Pleistocene and Holocene age, with a focus on Late Quaternary megafaunal extinction. However, more research could potentially extend records further back in time.
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