首页> 外文期刊>Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group >Weakening of gneiss surfaces colonized by endolithic lichens in the temperate climate area of northwest Italy
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Weakening of gneiss surfaces colonized by endolithic lichens in the temperate climate area of northwest Italy

机译:在意大利西北部的温带气候区,片麻岩表层被内陆地衣定殖所减弱

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摘要

A role of lithobionts in geomorphological processes is increasingly argued, but the spatio-temporal scale of their impact is largely unexplored in many ecosystems. This study first characterizes in the temperate zone (northwest Italy) the relationships between lithobiontic communities including endolithic lichens and the hardness of their siliceous rock substrate (Villarfocchiardo Gneiss). The communities are characterized, on humid and xeric quarry surfaces exposed for decades and natural outcrops exposed for centuries, in terms of lichen and microbial constituents, using a combined morphological and molecular approach, and with regard to their development on and within the gneiss.
机译:岩溶石在地貌过程中的作用日益受到争议,但是在许多生态系统中,石棉石的影响的时空范围在很大程度上尚未得到探索。这项研究首先在温带地区(意大利西北部)表征了包括内石器地衣在内的石炭生界与硅质岩基质(Villarfocchiardo Gneiss)的硬度之间的关系。这些群落的特征是,在暴露数十年的潮湿和干燥的采石场表面上,以及暴露了数百年的自然露头上,根据地衣和微生物成分,使用了形态学和分子学相结合的方法,并研究了它们在片麻岩上和内部的发育。

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