Do gypsophile lichens exist? Analysis of the affinity for the gypsum substrate of lichen species from Spain

IF 2.6 3区 环境科学与生态学 Q2 ECOLOGY
Sergio Muriel , Gregorio Aragón , Isabel Martínez , María Prieto
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Abstract

Gypsum soils, despite physico-chemical constraints, harbor a unique biota composed of specialist (gypsophiles) and stress-tolerant non-specialist species (gypsovags). Gypsophily has been addressed in plants, although is important to ask whether lichen communities also contain gypsophile species. Therefore, our main aim is the analysis of the affinity of lichens for the gypsum substrate in Spain. Affinity was estimated using two methods: a “geological method”, overlapping lichen occurrence data on a geological map of Spain; and a “biological method”, overlapping the occurrences on a map constructed with the distribution of plant gypsophiles. To assess the accuracy of both methods, we compared them with a literature review. Lichen occurrence data was obtained from GBIF. The biological method was the most accurate as it showed similar percentages to the literature review. The affinity for gypsum substrate has been effectively demonstrated by the employment of these methods, probing the existence of a group of lichens considered gypsophiles. Twenty lichen species are considered gypsophiles, 7 strict and 13 preferential (ca. 40% of 50 taxa analyzed), and 30 gypsovags. This approximation can apply to the study of the affinity for the substrate for other organisms/substrates, and for characterizing geological units when detailed geological maps are not available.

Abstract Image

嗜石膏地衣存在吗?西班牙地衣物种对石膏基质的亲和性分析
尽管受到物理化学条件的限制,石膏土壤中仍蕴藏着一种独特的生物群落,由专门物种(嗜石膏生物)和耐压力的非专门物种(地衣物种)组成。嗜石膏生物已在植物中得到研究,但地衣群落中是否也包含嗜石膏生物也是一个重要问题。因此,我们的主要目的是分析西班牙地衣对石膏基质的亲和性。亲和性的估算使用了两种方法:一种是 "地质方法",将地衣的出现数据与西班牙地质图重叠;另一种是 "生物方法",将出现数据与根据嗜石膏植物分布绘制的地图重叠。为了评估这两种方法的准确性,我们将它们与文献综述进行了比较。地衣的出现数据来自 GBIF。生物方法的准确性最高,因为其显示的百分比与文献综述相似。这些方法有效地证明了地衣对石膏基质的亲和性,探究了一组被认为嗜石膏的地衣的存在。有 20 种地衣被认为嗜石膏,其中 7 种严格嗜石膏,13 种偏好石膏(约占分析的 50 个分类群的 40%),还有 30 种嗜石膏。这一近似值可用于研究其他生物/基质对基质的亲和性,以及在没有详细地质图的情况下描述地质单元的特征。
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来源期刊
Journal of Arid Environments
Journal of Arid Environments 环境科学-环境科学
CiteScore
5.70
自引率
3.70%
发文量
144
审稿时长
55 days
期刊介绍: The Journal of Arid Environments is an international journal publishing original scientific and technical research articles on physical, biological and cultural aspects of arid, semi-arid, and desert environments. As a forum of multi-disciplinary and interdisciplinary dialogue it addresses research on all aspects of arid environments and their past, present and future use.
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