Cover of Ramalina species as an indicator of habitat quality in threatened coastal woodlands

IF 0.8 4区生物学 Q4 PLANT SCIENCES

Bryologist Pub Date : 2022-08-05 DOI:10.1639/0007-2745-125.3.424

Andreu Cera, Joana Mendes, À. Cortada, A. Gómez-Bolea

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引用次数: 0

Abstract

Abstract. Coastal forests in the Mediterranean area are threatened habitats due to intense human influence. In the context of global change, a rapid tool is needed for the evaluation of habitat quality in woodlands by calculating lichen cover on twigs rather than weight biomass. We selected epiphytic Ramalina species as indicators of habitat quality and evaluated them in threatened woodlands dominated by Olea europea var. sylvestris on the island of Menorca, a UNESCO Biosphere Reserve in the Mediterranean area. We measured species richness, percentage cover and dry weight in nine sites grouped into urban, rural and naturalized areas to evaluate the effect of land uses, and regressed dry weight against percentage cover. Percentage cover, dry weight, species richness of Ramalina and of its species varied depending on land use, reaching higher rates in naturalized and rural areas rather than in urban areas. In addition, we showed for the first time that field estimates of Ramalina cover at the field were related to dry weight by applying a logarithmic transformation to dry weight. Percentage cover of Ramalina was a good indicator of land uses and will be a rapid, easy and non-destructive tool to assess the quality of woodland habitats in the coastal zone.

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沿海受威胁林地柽柳盖度对生境质量的影响

摘要由于强烈的人类影响，地中海地区沿海森林的栖息地受到威胁。在全球变化的背景下，需要一种快速评估林地生境质量的工具，即通过计算树枝上的地衣覆盖而不是重量生物量来评估林地生境质量。本文选取附生Ramalina作为生境质量指标，在地中海梅诺卡岛以Olea europea var. sylvestris为主的濒危林地中进行了生境质量评价。通过测量城市、农村和自然化区9个样点的物种丰富度、盖度百分比和干重来评价土地利用对物种的影响，并对干重和盖度百分比进行回归。拉玛丽娜及其物种的盖度百分比、干重、物种丰富度因土地利用而异，归化和农村地区的比例高于城市地区。此外，我们首次通过对干重进行对数变换，证明了Ramalina覆盖的野外估计与干重有关。Ramalina的覆盖率百分比是土地利用的一个很好的指标，将是评估沿海地区林地生境质量的一种快速、简便和非破坏性的工具。

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

Bryologist 生物-植物科学

CiteScore

2.40

自引率

11.10%

发文量

审稿时长

>12 weeks

期刊介绍： The Bryologist is an international journal devoted to all aspects of bryology and lichenology, and we welcome reviews, research papers and short communications from all members of American Bryological and Lichenological Society (ABLS). We also publish lists of current literature, book reviews and news items about members and event. All back issues of the journal are maintained electronically. The first issue of The Bryologist was published in 1898, with the formation of the Society. Author instructions are available from the journal website and the manuscript submission site, each of which is listed at the ABLS.org website. All submissions to the journal are subject to at least two peer reviews, and both the reviews and the identities of reviewers are treated confidentially. Reviewers are asked to acknowledge possible conflicts of interest and to provide strictly objective assessments of the suitability and scholarly merit of the submissions under review.